Lua Binding

Overview

CDLua was developed to make all functionalities of the CD library available to Lua programmers. To use the CDLua diff --git a/html/en/cdluaim.html b/html/en/cdluaim.html index 707539d..6629558 100644 --- a/html/en/cdluaim.html +++ b/html/en/cdluaim.html @@ -1,13 +1,13 @@ - - - CDLua+IMLua - - - - - -

CDLua+IMLua

+ + + +CDLua+IMLua + + + + +

CDLua+IMLua

When CD is used togheter with the IM library in Lua, the CD bitmap and the IM @@ -50,5 +50,7 @@ IM_RGB/IM_BYTE image.

Creates a cdCanvas using the CD_IMAGERGB driver. Resolution is optional, default is 3.8 pixels per milimiter (96.52 DPI). The imImage must be a IM_RGB/IM_BYTE image.

- - + + + + \ No newline at end of file diff --git a/html/en/copyright.html b/html/en/copyright.html index 165a20c..de91c03 100644 --- a/html/en/copyright.html +++ b/html/en/copyright.html @@ -6,8 +6,6 @@ - -

Tecgraf Library License

The Tecgraf products under this license are: IUP, CD and IM.

diff --git a/html/en/download.html b/html/en/download.html index eb2a373..4779cc1 100644 --- a/html/en/download.html +++ b/html/en/download.html @@ -9,7 +9,7 @@ -

Download

The download site for pre-compiled binaries, documentation and sources is at SourceForge:

diff --git a/html/en/download_tips.html b/html/en/download_tips.html index 658080d..ac5fdf2 100644 --- a/html/en/download_tips.html +++ b/html/en/download_tips.html @@ -14,7 +14,7 @@ -

Tecgraf/PUC-Rio Library Download Tips

All the libraries were build using Tecmake. Please use it if you intend to recompile the sources. Tecmake can be found at diff --git a/html/en/drv/cgm.html b/html/en/drv/cgm.html index 17ca141..470561a 100644 --- a/html/en/drv/cgm.html +++ b/html/en/drv/cgm.html @@ -10,7 +10,7 @@ -

CD_CGM - Computer Graphics Metafile Driver (cdcgm.h)

This driver allows generating a Computer Graphics Metafile, which is an ANSI standard for the persistent storage of graphics primitives. The file usually has an extension .CGM.

diff --git a/html/en/drv/clipbd.html b/html/en/drv/clipbd.html index 0b9be2d..7a9c115 100644 --- a/html/en/drv/clipbd.html +++ b/html/en/drv/clipbd.html @@ -10,7 +10,7 @@ -

CD_CLIPBOARD - Clipboard Driver (cdclipbd.h)

This driver allows the access to a Clipboard area. It is greatly dependent on the system. In Win32, it creates an Enhanced Metafile, diff --git a/html/en/drv/dbuf.html b/html/en/drv/dbuf.html index 37b5c89..48556ed 100644 --- a/html/en/drv/dbuf.html +++ b/html/en/drv/dbuf.html @@ -10,7 +10,7 @@ -

CD_DBUFFER - Double Buffer Driver using a server image (cddbuf.h)

Implements the concept of offscreen drawing. It is based on a Server Image (the back buffer) and a Window canvas (the front buffer).

diff --git a/html/en/drv/dbufrgb.html b/html/en/drv/dbufrgb.html index a9fa4c8..f6a63b2 100644 --- a/html/en/drv/dbufrgb.html +++ b/html/en/drv/dbufrgb.html @@ -10,7 +10,7 @@ -

CD_DBUFFERRGB - Double Buffer Driver using a RGB image (cdirgb.h)

Implements the concept of offscreen drawing. It is based on a Image RGB (the back buffer) and any other canvas (the front buffer).

diff --git a/html/en/drv/debug.html b/html/en/drv/debug.html index e405dac..bc64a73 100644 --- a/html/en/drv/debug.html +++ b/html/en/drv/debug.html @@ -10,7 +10,7 @@ -

CD_DEBUG - CD Debug Driver (cddebug.h)

This driver creates a text file with a log of all function calls. But for only the functions that have a driver implementation and in the order that diff --git a/html/en/drv/dgn.html b/html/en/drv/dgn.html index acd688b..be52f3c 100644 --- a/html/en/drv/dgn.html +++ b/html/en/drv/dgn.html @@ -10,7 +10,7 @@ -

CD_DGN - MicroStation Design File Driver (cddgn.h)

This driver allows generating a MicroStation design file. The file name usually has an extension .DGN. The driver supports only MicroStation version 4.0 or later. The format's copyrights are property of diff --git a/html/en/drv/dxf.html b/html/en/drv/dxf.html index 95274ee..0637e92 100644 --- a/html/en/drv/dxf.html +++ b/html/en/drv/dxf.html @@ -10,7 +10,7 @@ -

CD_DXF - AutoCAD Image Exchange File Driver (cddxf.h)

This driver allows generating an AutoCAD image exchange file. The file name usually has an extension .DXF. This driver supports only AutoCAD version 10.0 or later. The format's copyrights are property of diff --git a/html/en/drv/emf.html b/html/en/drv/emf.html index 1f7b462..bed1461 100644 --- a/html/en/drv/emf.html +++ b/html/en/drv/emf.html @@ -10,7 +10,7 @@ -

CD_EMF - Enhanced Metafile Driver (cdemf.h)

This driver allows generating a Microsoft Windows Enhanced Metafile, the format used by 32-bit Windows systems to store graphics primitives. Usually, diff --git a/html/en/drv/image.html b/html/en/drv/image.html index f19b3b3..8dd7258 100644 --- a/html/en/drv/image.html +++ b/html/en/drv/image.html @@ -10,7 +10,7 @@ -

CD_IMAGE - Server Image Driver (cdimage.h)

This driver provides access to a Server Image, a memory-based high-performance image that corresponds to the attributes of the system's diff --git a/html/en/drv/irgb.html b/html/en/drv/irgb.html index 3ab71f4..0689dfc 100644 --- a/html/en/drv/irgb.html +++ b/html/en/drv/irgb.html @@ -10,7 +10,7 @@ -

CD_IMAGERGB - RGB Client Image Driver (cdirgb.h)

This driver allows access to a Client Image, an imaged based in RGB colors with 24 or 32 bits per pixel (8 per channel). diff --git a/html/en/drv/iup.html b/html/en/drv/iup.html index 90f11d9..b2644e0 100644 --- a/html/en/drv/iup.html +++ b/html/en/drv/iup.html @@ -10,7 +10,7 @@ -

CD_IUP - IUP Driver (cdiup.h)

This driver provides access to an interface element of a IUP canvas. IUP is a portable user-interface library used to create portable user-interface applications. See diff --git a/html/en/drv/mf.html b/html/en/drv/mf.html index c6157b9..0b9995b 100644 --- a/html/en/drv/mf.html +++ b/html/en/drv/mf.html @@ -10,7 +10,7 @@ -

CD_METAFILE - CD Metafile Driver (cdmf.h)

This driver allows the generation of a CD Metafile, a very simple format that includes calls to functions of the CD library and provides persistence to its primitives.

diff --git a/html/en/drv/native.html b/html/en/drv/native.html index 20d182a..257c62b 100644 --- a/html/en/drv/native.html +++ b/html/en/drv/native.html @@ -10,7 +10,7 @@ -

CD_NATIVEWINDOW - Native Window Driver (cdnative.h)

This driver provides access to an existing Native Window, a basic element of the user-interface system. It also provides access to other native handles like HDC handles in Windows.

diff --git a/html/en/drv/pdf.html b/html/en/drv/pdf.html index 71ee6b7..129dd69 100644 --- a/html/en/drv/pdf.html +++ b/html/en/drv/pdf.html @@ -10,7 +10,7 @@ -

CD_PDF - PDF Driver (cdpdf.h)

This drivers allows generating a PDF file. This format developed for representing documents in a manner that is independent of the original application software, hardware, and operating system used to create those documents. The diff --git a/html/en/drv/picture.html b/html/en/drv/picture.html index d702555..a39828a 100644 --- a/html/en/drv/picture.html +++ b/html/en/drv/picture.html @@ -10,7 +10,7 @@ -

CD_PICTURE - CD Picture (cdpicture.h)

This driver allows the creation of a CD Picture. It store primitives and attributes in memory that can be played and resized in any other driver. It diff --git a/html/en/drv/printer.html b/html/en/drv/printer.html index d354fe2..25da760 100644 --- a/html/en/drv/printer.html +++ b/html/en/drv/printer.html @@ -10,7 +10,7 @@ -

CD_PRINTER - Printer Driver (cdprint.h)

This driver provides access to a System Default Printer.

Currently, it works only in Microsoft Windows platforms, but it is possible diff --git a/html/en/drv/ps.html b/html/en/drv/ps.html index 7a2dc1a..bfb7ed2 100644 --- a/html/en/drv/ps.html +++ b/html/en/drv/ps.html @@ -10,7 +10,7 @@ -

CD_PS - PostScript Driver (cdps.h)

This drivers allows generating a PostScript file. This format was created to be a high-quality graphics language for printers and is currently supported by several printers. If your printer supports PostScript, you can send the diff --git a/html/en/drv/wmf.html b/html/en/drv/wmf.html index aa92c68..b7e91f3 100644 --- a/html/en/drv/wmf.html +++ b/html/en/drv/wmf.html @@ -10,7 +10,7 @@ -

CD_WMF - Windows Metafile Driver (cdwmf.h)

This driver allows creating a Microsoft Windows Metafile, the format used by 16-bit Windows systems to store graphics primitives. Usually, the filename diff --git a/html/en/history.html b/html/en/history.html index 584c7bc..f62262f 100644 --- a/html/en/history.html +++ b/html/en/history.html @@ -18,18 +18,18 @@ -

History of Changes

CVS (21/Sep/2008)

Changed: return value to boolean of CanvasIsPointInRegion and cd.UseContextPlus in Lua.
Changed: +
Changed: added missing support for alpha channel in image:cdCreateCanvas, - cd:imImageCreate, image:cdCreateBitmap and + cd:imImageCreate, image:cdCreateBitmap and image:cdInitBitmap in cdluaim binding.
Fixed: indexing of - cdImageRGB, cdImageRGBA and cdBitmap + cdImageRGB, cdImageRGBA and cdBitmap objects in Lua.

Version 5.2 (26/Jun/2008)

@@ -37,313 +37,313 @@

New: functions CanvasGetVectorTextBox, CanvasGetVectorFontSize and CanvasVectorFontSize.

Changed: - the functions CanvasVectorText, CanvasText +

Changed: + the functions CanvasVectorText, CanvasText and CanvasGetTextSize now supports line breaks using '\n'. - CanvasMultiLineVectorText is now deprecated but kept for - compatibility. + CanvasMultiLineVectorText is now deprecated but kept for + compatibility. - IMPORTANT - VectorTextSize now + IMPORTANT - VectorTextSize now uses the full line size.

Changed: - CD_DBUFFER now activates the buffered canvas before creating the image +

Changed: + CD_DBUFFER now activates the buffered canvas before creating the image canvas. If size is 0 then uses 1 and avoid to fail during creation.

Changed: +

Changed: removed "lua5.1.so" dependency in UNIX.

Fixed: CanvasText +

Fixed: CanvasText for CD_IMAGERGB driver when the foreground color has alpha.

Version 5.1.1 (15/Dec/2008)

Fixed: CDLua binding functions - canvas:foreground, canvas:setforeground, canvas:background and - canvas:setbackground. Color was being checked from the wrong position in the +
Fixed: CDLua binding functions + canvas:foreground, canvas:setforeground, canvas:background and + canvas:setbackground. Color was being checked from the wrong position in the stack. They were reporting and invalid color when being used.
Fixed: CDLua binding functions +
Fixed: CDLua binding functions canvas:foreground and canvas:background when using cd.QUERY are value.

Version 5.1 (14/Oct/2008)

New: CD_DEBUG driver.
New: the "imlua_cd" library moved - from IM to CD under the name "cdluaim". Only the initialization function +
New: the "imlua_cd" library moved + from IM to CD under the name "cdluaim". Only the initialization function name is changed.
New: cdluacontextplus library so the - "ContextPlus" base drivers (GDI+ and XRender) can be dinamically loaded +
New: cdluacontextplus library so the + "ContextPlus" base drivers (GDI+ and XRender) can be dinamically loaded using require.
Changed: +
Changed: - IMPORTANT - the "cdiup" and "cdluaiup" - libraries moved from CD to IUP under the name "iupcd" and "iupluacd". But - headers and documentation remains on the CD package. Function names were NOT - changed. This change eliminates a cross-dependency that IUP and CD had, now + IMPORTANT - the "cdiup" and "cdluaiup" + libraries moved from CD to IUP under the name "iupcd" and "iupluacd". But + headers and documentation remains on the CD package. Function names were NOT + changed. This change eliminates a cross-dependency that IUP and CD had, now only IUP depends on CD.
Changed: +
Changed: - IMPORTANT - renamed "cdgliplus" + IMPORTANT - renamed "cdgliplus" and "cdxrender" libraries to "cdcontextplus".
Changed: +
Changed: - IMPORTANT - removed the FreeType - library files from the main library. They now are available as an additional - library that can be replaced by other FreeType distributions. You should now - link with the "freetype6" library in Windows and with the "freetype" library - in UNIX (if not using GTK, freetype is already included in GTK). This change will + IMPORTANT - removed the FreeType + library files from the main library. They now are available as an additional + library that can be replaced by other FreeType distributions. You should now + link with the "freetype6" library in Windows and with the "freetype" library + in UNIX (if not using GTK, freetype is already included in GTK). This change will avoid conflicts when using CD and GTK.
Changed: +
Changed: - IMPORTANT - removed the PDFLib - library files from the cdpdf library. They now are available as an - additional library that can be replaced by other PDFLib distributions. You + IMPORTANT - removed the PDFLib + library files from the cdpdf library. They now are available as an + additional library that can be replaced by other PDFLib distributions. You should now link with the "pdflib" library.
Changed: +
Changed: - IMPORTANT - the support services + IMPORTANT - the support services (Downloads, Mailing List and CVS) moved from LuaForge to SourceForge.
Changed: - Makefiles for UNIX now uses a compact version of Tecmake that does not need +
Changed: + Makefiles for UNIX now uses a compact version of Tecmake that does not need any installation, just type "make".
Changed: All dll8 and dll9 DLLs now +
Changed: All dll8 and dll9 DLLs now have a Manifest file that specifies the correct MSVCR*.DLL.
Changed: improved CDLua parameter +
Changed: improved CDLua parameter checking and error report.
Changed: improved compatibility for +
Changed: improved compatibility for font names in X and Win32.
Changed: - Copyright notice modified to reflect the registration at INPI (National - Institute of Intellectual Property in Brazil). License continues under the +
Changed: + Copyright notice modified to reflect the registration at INPI (National + Institute of Intellectual Property in Brazil). License continues under the same terms.
Changed: +
Changed: improved pattern and stipple resize in wdCanvasPattern and wdCanvasStipple.
Changed: +
Changed: pattern creation in Win32 to a more faster method.
Changed: +
Changed: optimized font search in X-Windows base driver for size variations.
Changed: - the number of bits per pixel returned by the CD_PRINTER driver when the +
Changed: + the number of bits per pixel returned by the CD_PRINTER driver when the printer is a PDF Writer was 1, now we add a workaround to return 24.
Changed: - improved the color convertion when drawing a RGB image in a CD_PRINTER +
Changed: + improved the color convertion when drawing a RGB image in a CD_PRINTER canvas with 1 bpp (usually a laser printer).
Changed: (UNDONE from 5.0) in Lua - canvases are NOT - garbage collected anymore. Since there can be different Lua canvases pointing +
Changed: (UNDONE from 5.0) in Lua + canvases are NOT + garbage collected anymore. Since there can be different Lua canvases pointing to the same canvas.
Changed: font map in simulation +
Changed: font map in simulation driver is not case sensitive anymore.
Changed: premake files are used now +
Changed: premake files are used now only internally and were removed from the distribution.
Fixed: added missing +
Fixed: added missing CD_NO_OLD_INTERFACE definition on Linux makefiles.
Fixed: attributes not being +
Fixed: attributes not being preserved after changing clipping or adding a new page in CD_PDF.
Fixed: polygon clipping in +
Fixed: polygon clipping in CD_IMAGERGB driver when polygon is larger than the canvas.
Fixed: cdCanvasVertex +
Fixed: cdCanvasVertex when adding two reference points with the same coordinates in a bezier.
Fixed: client image zoom in +
Fixed: client image zoom in CD_IMAGERGB driver.
Fixed: text draw position and +
Fixed: text draw position and gettextsize in Xrender base driver.
Fixed: double buffer driver invalid +
Fixed: double buffer driver invalid memory access when using the Xrender base driver.

Version 5.0 (26/Nov/2007)

New: attributes "OPAQUE", "PATTERN" +
New: attributes "OPAQUE", "PATTERN" and "PDF" in the CD_PDF driver.
New: XRender base driver.
Changed: PDF Lite library updated to +
Changed: PDF Lite library updated to version "7.0.2".
Changed: FreeType library updated to +
Changed: FreeType library updated to version "2.3.5".
Changed: now using "(char*)CD_QUERY" - as the parameter in cdCanvasNativeFont, it returns the current selected font in +
Changed: now using "(char*)CD_QUERY" + as the parameter in cdCanvasNativeFont, it returns the current selected font in the common format definition.
Changed: avoid setting X-Windows color - background when calling cdCanvasClear for NativeWindow driver. Now all +
Changed: avoid setting X-Windows color + background when calling cdCanvasClear for NativeWindow driver. Now all X-Windows drivers will use only XFillRectangle.
Changed: in Lua canvases are now +
Changed: in Lua canvases are now garbage collected.
Changed: metatable names in Lua are +
Changed: metatable names in Lua are now the same as the C struct names.
Fixed: function cdlua_checkcanvas that +
Fixed: function cdlua_checkcanvas that affects the creation of the cd.DBUFFER canvas. Thanks to Martin Saerbeck.
Fixed: vertical text alignment in PDF - and PS +
Fixed: vertical text alignment in PDF + and PS drivers.
Fixed: ascent and descent font +
Fixed: ascent and descent font dimensions in PDF driver.
Fixed: check for mark size and font +
Fixed: check for mark size and font size when given size is 0.

Version 5.0 RC2 (09/Apr/2007)

New: function cdCanvasInvertYAxis that - will invert the given y coordinate even if the canvas is not internally +
New: function cdCanvasInvertYAxis that + will invert the given y coordinate even if the canvas is not internally inverted.
Changed: PDF Lite library updated to +
Changed: PDF Lite library updated to version "7.0.0p3".
Changed: FreeType library updated to +
Changed: FreeType library updated to version "2.2.1".
Changed: In the new API - cdCanvasFont you can specify partial parameters using NULL, -1 and 0 - for typeface, style and size. When these parameters are specified the current - font parameter is used. For example, cdCanvasFont(NULL, -1, 10) will only + cdCanvasFont you can specify partial parameters using NULL, -1 and 0 + for typeface, style and size. When these parameters are specified the current + font parameter is used. For example, cdCanvasFont(NULL, -1, 10) will only change the font size.

Version 5.0 RC1 (08/Mar/2007)

New: attribute HATCHBOXSIZE in CD_PDF +
New: attribute HATCHBOXSIZE in CD_PDF driver, to control the hatch spacing.
New: attribute ADDFONTMAP in - simulation base driver to accept a map between a font name and a font file +
New: attribute ADDFONTMAP in + simulation base driver to accept a map between a font name and a font file name.
New: Pango Font Description string is - now accepted in NativeFont and replace the previous CD format is most +
New: Pango Font Description string is + now accepted in NativeFont and replace the previous CD format is most drivers.
- INCOMPATIBILITY - - If style is not used, most drivers had a format compatible with the new - format. But please check your NativeFont usage. The IUP + INCOMPATIBILITY - + If style is not used, most drivers had a format compatible with the new + format. But please check your NativeFont usage. The IUP format is still supported.
New: API using canvas as a parameter. - Old API still exists. Library is backward compatible with previous versions, - but the documentation shows only the new names. +
New: API using canvas as a parameter. + Old API still exists. Library is backward compatible with previous versions, + but the documentation shows only the new names. The new functions add a "Canvas" to the function prefix, for ex: the - cdLine equivalent is cdCanvasLine. For these + cdLine equivalent is cdCanvasLine. For these functions cdActivate is not required. But - cdCanvasActivate exists for special cases where the canvas must be - updated if an external factor was changed, like a window resize. - To facilitate the migration to the new API use the definition CD_NO_OLD_INTERFACE - to exclude the old API definitions and check if you are using only the new + cdCanvasActivate exists for special cases where the canvas must be + updated if an external factor was changed, like a window resize. + To facilitate the migration to the new API use the definition CD_NO_OLD_INTERFACE + to exclude the old API definitions and check if you are using only the new functions.
New: support for primitives using +
New: support for primitives using "double" floating point precision and not related to WC functions.
New: "cd_canvas.hpp" header file which +
New: "cd_canvas.hpp" header file which defines a C++ class cdCanvasC that wraps the cdCanvas structure API.
New: ROTATE attribute in CD_PDF +
New: ROTATE attribute in CD_PDF driver.
New: binding Lua of the CD_PDF driver.
New: support for alpha channel in - CD_IMAGERGB driver. Also support for alpha in color coding in the CD_IMAGERGB +
New: support for alpha channel in + CD_IMAGERGB driver. Also support for alpha in color coding in the CD_IMAGERGB driver primitives.
New: attribute ANTIALIAS in the +
New: attribute ANTIALIAS in the CD_IMAGERGB driver. Text is always antialiased as before.
New: implemented Chord primitive in - simulation base +
New: implemented Chord primitive in + simulation base driver.
New: implemented CD_WINDING fill mode +
New: implemented CD_WINDING fill mode in the simulation base driver.
New: implemented complex clipping - regions in CD_IMAGERGB driver. Fixed polygon clipping and other clipping +
New: implemented complex clipping + regions in CD_IMAGERGB driver. Fixed polygon clipping and other clipping errors in the CD_IMAGERGB driver.
New: driver CD_DBUFFERRGB that uses - the CD_IMAGERGB driver for double buffer, and can be a double buffer for any +
New: driver CD_DBUFFERRGB that uses + the CD_IMAGERGB driver for double buffer, and can be a double buffer for any other driver (CD_DBUFFER works only for Window based drivers).
New: CD_PICTURE driver to store - primitives and attributes in memory that can be played and resized in any +
New: CD_PICTURE driver to store + primitives and attributes in memory that can be played and resized in any other driver.
New: functions to set color foreground - and background without query support (cdCanvasSetForeground and - cdCanvasSetBackground). CD_QUERY conflicts with color RGBA=(255,255,255,255) +
New: functions to set color foreground + and background without query support (cdCanvasSetForeground and + cdCanvasSetBackground). CD_QUERY conflicts with color RGBA=(255,255,255,255) (full transparent white).
New: support for generic canvas +
New: support for generic canvas transformations using Transform, TransformTranslate, TransformRotate and TransformScale functions.
New: attribute "GDI+" for all GDI+ - based drivers that returns "1". So it can be detected if the driver uses the +
New: attribute "GDI+" for all GDI+ + based drivers that returns "1". So it can be detected if the driver uses the GDI+ base driver.
Changed: - INCOMPATIBILITY - removed - clipping simulation from the simulation base driver. It is not possible + INCOMPATIBILITY - removed + clipping simulation from the simulation base driver. It is not possible anymore to simulate clipping, only primitives can be simulated.
Changed: canvas internal pointer allocation so it can be checked for valid canvas in +
Changed: canvas internal pointer allocation so it can be checked for valid canvas in all external API function calls.
Changed: NativeFont("-d") to set also the foreground color from the color in the dialog, and +
Changed: NativeFont("-d") to set also the foreground color from the color in the dialog, and initialize the font in the dialog with the current selected font.
Changed: In the new API - cdCanvasFont changed the typeface parameter type from a small set of + cdCanvasFont changed the typeface parameter type from a small set of integer values to a more flexible string.
Changed: all accented characters are +
Changed: all accented characters are now available in the default vector text font.
Changed: all functions in the API now +
Changed: all functions in the API now use "const" when applicable.
Changed: server image defintion from - "void*" to "cdImage*". This will affect C++ applications that must update +
Changed: server image defintion from + "void*" to "cdImage*". This will affect C++ applications that must update their code.
Changed: removed cdGetClipPoly +
Changed: removed cdGetClipPoly and wdGetClipPoly functions.
Changed: UpdateYAxis +
Changed: UpdateYAxis now also returns the changed value.
Changed: - INCOMPATIBILITY - cdCallback - definition used in RegisterCallback, called from Play. Replaced the "cdContext*" by a "cdCanvas*". + INCOMPATIBILITY - cdCallback + definition used in RegisterCallback, called from Play. Replaced the "cdContext*" by a "cdCanvas*". If you do not use the pointer it can be simply ignored.
Changed: WC functions now are only +
Changed: WC functions now are only client functions of the CD API.
Changed: removed old support for +
Changed: removed old support for Windows 9x.
Changed: removed the cdInitGdiPlusIUP function and the "cdiupgdiplus" - library. They are not necessary anymore. Althougth the CD_IUP driver still +
Changed: removed the cdInitGdiPlusIUP function and the "cdiupgdiplus" + library. They are not necessary anymore. Althougth the CD_IUP driver still works with GDI+ support.
Changed: improved speed and precision +
Changed: improved speed and precision of the bezier polygon of the simulation base driver.
Changed: renamed distribution folder +
Changed: renamed distribution folder name from "cd/data" to "cd/etc".
Changed: CD Lua for Lua 3 library name +
Changed: CD Lua for Lua 3 library name changed to include "3" as a suffix.
Fixed: conversion from ANSI to ASCII +
Fixed: conversion from ANSI to ASCII in vector text fonts.
Fixed: Sector primitive in simulation - base +
Fixed: Sector primitive in simulation + base driver.
Fixed: deactivation of internal canvas in Double Buffer driver over a Native Windows driver for Win32.
Fixed: EPS compatibility in PostScript driver.
Fixed: the default values in cdCreateCanvas for CD_DGN, CD_DXF and CD_CGM.
Fixed: Play for CD_EMF when data contains poly-polygons or poly-polylines.
Fixed: LineWidth in - WC when updating the +
Fixed: LineWidth in + WC when updating the size in pixels.
Fixed: TextSize and +
Fixed: TextSize and FontDim in driver DXF.
Fixed: Font in the +
Fixed: Font in the X-Windows base driver, size parameter was incorrectly passed to the X-Windows. - WARNING: the result font + WARNING: the result font will have a size different than previous CD versions in X-Windows.
Fixed: Flush in - CD_DBUFFER driver, it was affected by the write mode state of the +
Fixed: Flush in + CD_DBUFFER driver, it was affected by the write mode state of the buffered canvas.
Fixed: WC tranformation update when +
Fixed: WC tranformation update when the Window is invalid. Thanks to Marian Trifon.
Fixed: polygon filling in simulation +
Fixed: polygon filling in simulation base driver.
Fixed: invalid resample in - PutImageRect* in GDI+ base driver cause a band with a mix of the - background color appear on right and bottom when image is zoomed in (larger + PutImageRect* in GDI+ base driver cause a band with a mix of the + background color appear on right and bottom when image is zoomed in (larger than original size).

Version 4.4 (12/Dec/2005)

New: CDLua for Lua 5. The CDLua for Lua 3 is now also totally compatible with the "cd." name space used in the - CDLUA for Lua 5. So the documentation now reflects only the new nomenclature although the old CDLua 3 names are still +
New: CDLua for Lua 5. The CDLua for Lua 3 is now also totally compatible with the "cd." name space used in the + CDLUA for Lua 5. So the documentation now reflects only the new nomenclature although the old CDLua 3 names are still valid.
New: attribute "WINDOWRGN" for the Native Windows and IUP drivers to set the shape +
New: attribute "WINDOWRGN" for the Native Windows and IUP drivers to set the shape of a window to the current complex clipping region.
New: cdlua_close function to release the memory allocated by the cdlua_open.
New: "ROTATE" attribute for PS driver, GDI+ base driver and GDI base driver.
New: CD_FILLSPLINE and CD_SPLINE parameters for +
New: CD_FILLSPLINE and CD_SPLINE parameters for cdBegin in GDI+ base driver.
New: support for complex regions for clipping using: cdBox, cdSector, Polygons and cdText. New: parameter CD_REGION for - cdBegin to create the region, new parameter CD_CLIPREGION - for cdClip to select the region for clipping. + cdBegin to create the region, new parameter CD_CLIPREGION + for cdClip to select the region for clipping. New: funtions to control regions: cdPointInRegion, cdOffsetRegion, - cdRegionBox and cdRegionCombineMode. + cdRegionBox and cdRegionCombineMode. Valid only for the Windows GDI, GDI+ and X-Windows base drivers and their derived drives.
New: mode for cdBegin, CD_BEZIER.
New: filled primitive cdChord.

cdLineJoin

New: typeface CD_NATIVE to indicate that a native font has been selected.
New: custom line style using cdLineStyleDashes and - cdLineStyle(CD_CUSTOM). This replaces the + cdLineStyle(CD_CUSTOM). This replaces the attribute "USERLINESTYLE".
(All New:, when not specified the divers, are valid for all the drivers, except DXF, DGN e CGM.)
New: text utility function cdTextBounds that returns the oriented bounding +
New: text utility function cdTextBounds that returns the oriented bounding rectangle.
New: "IMAGEFORMAT" and "IMAGEALPHA" attributes for +
New: "IMAGEFORMAT" and "IMAGEALPHA" attributes for the Windows base driver.
New: In GDI+, the CD_CLIPBOARD driver supports EMF and BMP formats.
New: function cdReleaseState to release the memory allocated by a state. - The cdRestoreState does not release the memory anymore so it can be used +
New: function cdReleaseState to release the memory allocated by a state. + The cdRestoreState does not release the memory anymore so it can be used several times for the same state.
Fixed: Invalid cdKillImage in X-Windows when active canvas is not the canvas where the image was created.
Fixed: Text clipping for CD_IMAGERGB driver.
Fixed: fixed size in milimeter of cdGetScreenSize in Win32.
Fixed: fixed size of the EMF picture.
Fixed: fixed the parse of filenames with spaces for all file based drivers. The filename must be inside +
Fixed: fixed the parse of filenames with spaces for all file based drivers. The filename must be inside double quotes (") if it has spaces.
Fixed: cdSetAttribute in Lua now can set nil values.
Fixed: fixed cdSector when interior style is CD_HOLLOW, to include two lines connecting to the center point.
Fixed: In GDI+, the NATIVEWINDOW driver ignored other data pointer configurations in cdCreateCanvas.
Fixed: In GDI+, cdStipple was not updated when the foreground or +
Fixed: In GDI+, cdStipple was not updated when the foreground or background colors where changed.
Fixed: In GDI+, cdSector and cdArc +
Fixed: In GDI+, cdSector and cdArc have incorrect angles.
Fixed: "simple.c" and "simple.zip" were outdated. Now new makefiles were added.
Fixed: in Windows base driver small incompatibility in cdNativeFont with the IUP FONT attribute.
Changed: Optimization flags now are ON when building the library in all platforms.
Changed: Upgraded Freetype to version 2.1.10. The CD library file size increased because of this. But we gain +
Changed: Upgraded Freetype to version 2.1.10. The CD library file size increased because of this. But we gain a better text rendering for images.
Changed: Better organization of the documentation.
Changed: In Windows the NATIVEWINDOW driver now accepts a NULL pointer to draw in the entire screen.
Changed: Optimized cdPutImageRGBARect in Windows base driver.
Changed: Now by default CD will not print X-Windows messages. To enable you must set the CD_XERROR environment +
Changed: Now by default CD will not print X-Windows messages. To enable you must set the CD_XERROR environment variable.
Changed: The default fill rule for polygons in CD_PS is now the Even-Odd rule. Matching the other drivers.
Changed: Line Styles in GDI+ was corrected again to match GDI line styles when line width is not 1.
Changed: The native WC support in GDI+ was removed because of alignment and size problems, simulation will be used.
Changed: the EMF drivers now ignore the resolution parameter. For EMFs, the resolution is always the screen +
Changed: the EMF drivers now ignore the resolution parameter. For EMFs, the resolution is always the screen resolution.
Changed: the value of following attributes were changed to strings "IMAGEMASK", "IMAGEPOINTS", "ROTATE", @@ -400,13 +400,13 @@

Changed: in GDI+ base driver, the cdBegin modes CD_IMAGEWARP and CD_GRADIENT were moved to attributes - "IMAGEPOINTS" and "LINEGRADIENT". Mode CD_PATHGRADIENT - was renamed to CD_FILLGRADIENT, and "PATHGRADIENT" + "IMAGEPOINTS" and "LINEGRADIENT". Mode CD_PATHGRADIENT + was renamed to CD_FILLGRADIENT, and "PATHGRADIENT" attribute was renamed to "GRADIENTCOLOR". Their definition was also changed.
Changed: cdImageEx was renamed to cdBitmap, +
Changed: cdImageEx was renamed to cdBitmap, and now supports only client images. This will cause a conflict with a macro definition in - "im_image.h" header of the IM toolkit. Include this header before "cd.h" and - inbetween set "#undef cdPutBitmap". The IM macro will be changed in the next IM + "im_image.h" header of the IM toolkit. Include this header before "cd.h" and + inbetween set "#undef cdPutBitmap". The IM macro will be changed in the next IM version.
Changed: cdText is not dependent on the cdBackOpacity anymore. Text now is always transparent. If you need a box under the text use @@ -416,7 +416,7 @@

New: "USERLINESTYLE" attribute for the base GDI and X11 drivers.

New: "GC" attribute for the base X11 driver.
-
Changed: in the Native Window driver for the Windows system, the creation using a HDC can have an addicional +
Changed: in the Native Window driver for the Windows system, the creation using a HDC can have an addicional parameter for the canvas size.

Changed: in cdTextSize for the GDI+ base driver we now compensates the height in -10% to match the GDI height.

Changed: The GDI+ printer driver now returns the HDC attribute.
@@ -426,34 +426,34 @@
Version 4.3.2 (14/Apr/2004)

Fixed: in the Win32 and X-Win drivers the cdPutImageRGB and - cdPutImageMap functions when zooming bigger then the canvas where incorrectly + cdPutImageMap functions when zooming bigger then the canvas where incorrectly positioning the image by some pixels because of round errors.

Version 4.3.1 (07/Nov/2003)

-
Fixed: in the Win32 driver the clipping of cdPutImage* functions when - zooming was wrong. In the DoubleBuffer driver the main canvas cdOrigin can be - used to move the image in the swap operation (cdFlush). In the GDI+ - DoubleBuffer driver there was an error in the cdFlush when some primitive used +
Fixed: in the Win32 driver the clipping of cdPutImage* functions when + zooming was wrong. In the DoubleBuffer driver the main canvas cdOrigin can be + used to move the image in the swap operation (cdFlush). In the GDI+ + DoubleBuffer driver there was an error in the cdFlush when some primitive used world coordinates directly in the main canvas.

Version 4.3 (06/Mar/2003)

-
New: the function cdlua_getcanvas retreives the pointer of a canvas created +
New: the function cdlua_getcanvas retreives the pointer of a canvas created in Lua.
-
New: in Win32 the function cdUseContextPlus change the behavior of the - Windows drivers NativeWindow, IUP, Image, Printer, EMF and Double Buffer to make them use the GDI+ for drawing. GDI+ - does not have support for XOR Write Mode, but it has other resources like: transparency, anti-aliasing, gradient - filling, bezier lines and filled cardinal splines. WC functions are directly implemented in the base driver. Two new - functions were created to support transparency in the CD color coding: cdEncodeAlpha +
New: in Win32 the function cdUseContextPlus change the behavior of the + Windows drivers NativeWindow, IUP, Image, Printer, EMF and Double Buffer to make them use the GDI+ for drawing. GDI+ + does not have support for XOR Write Mode, but it has other resources like: transparency, anti-aliasing, gradient + filling, bezier lines and filled cardinal splines. WC functions are directly implemented in the base driver. Two new + functions were created to support transparency in the CD color coding: cdEncodeAlpha and cdDecodeAlpha.Check the documentation for more information.

Changed: the Lua binding is now distributed in the same package. There is only one version number.

Fixed: the PS header had same flaws, the character ":" was missing in some DCS attributes.

Fixed: screen resolution was wrong in the Win32 driver, this afects the size of the canvas in milimeters.

Fixed: in the Win32 driver the creation of a polygon for clipping does not activate the clipping.
-
Fixed: in the Win32 driver the function cdNativeFont using "-d" +
Fixed: in the Win32 driver the function cdNativeFont using "-d" parameter need some ajusts. Also the returned string does not contains all the used parameters.
-
Fixed: in the Win32 driver the function cdPutImageRectRGBA had a +
Fixed: in the Win32 driver the function cdPutImageRectRGBA had a positioning error.

Version 4.2 (20/July/2001)
@@ -461,117 +461,117 @@
Changed: in driver Win32, cdNativeFont accepts parameter "-d" on the font name to show the font-selection dialog.

Changed: the whole code can now be compiled as C++.
-
Changed: functions wdPattern and wdStipple +
Changed: functions wdPattern and wdStipple were changed to make pattern deformation more uniform.
-
Fixed: in the Clipboard driver on Win32, when parameter "-b" was used the +
Fixed: in the Clipboard driver on Win32, when parameter "-b" was used the image was not correctly copied.

Fixed: in certain moments, color vectors were being allocated with size 4 and should be "sizeof(long)". This was done to improve the compatibility with 64-bit systems.
-
Fixed: cdPutImageRectRGB in driver ImageRGB had a memory-invasion +
Fixed: cdPutImageRectRGB in driver ImageRGB had a memory-invasion error in some cases when the image was placed in a negative coordinate.

Version 4.1.10 (04/May/2000)

Changed: the driver Native Windows in Win32 now also accepts an already created HDC handle as a parameter.
-
Changed: in the cdPutImageMap* functions, in case the color +
Changed: in the cdPutImageMap* functions, in case the color vector is null, a vector with 256 gray shades in assumed.
-
Fixed: cdRegisterAttribute was not verifying whether the attribute had +
Fixed: cdRegisterAttribute was not verifying whether the attribute had already been registered.

Fixed: function cdArc in the simulation driver (includes ImageRGB) was returning without drawing anything in an incorrect test.
-
Fixed: function cdTextBox was returning incorrect values when the text +
Fixed: function cdTextBox was returning incorrect values when the text had an orientation different from the default one in some alignment instances.

Fixed: in function cdRGB2Map there was a memory invasion.

Fixed: the vector text simulation was not freeing the memory used for fonts loaded from files.

Fixed: in the Doubled Buffer driver in X-Windows there was an invalid memory liberation.
-
Fixed: in the Lua binding, in several functions receiving or returning tables, the first index was being +
Fixed: in the Lua binding, in several functions receiving or returning tables, the first index was being considered as 0, but in Lua they must be 1. This correction includes cdVectorTextTransform, cdGetVectorTextBounds, wdGetVectorTextBounds, cdGetClipPoly and wdGetClipPoly.
-
Fixed: when the PS driver generated EPS, it did not correctly add the description of the bounding box (a line +
Fixed: when the PS driver generated EPS, it did not correctly add the description of the bounding box (a line break was missing).
-
Fixed: the vector text drawing functions did not take into account the fact that the default font and the GKS +
Fixed: the vector text drawing functions did not take into account the fact that the default font and the GKS fonts were in ASCII standard. Now a conversion from ANSI to ASCII is made before these fonts are used for drawing.
-
Fixed: in the X-Win driver, an error in the X-Vertex library caused the texts in 90/270 degrees to be drawn +
Fixed: in the X-Win driver, an error in the X-Vertex library caused the texts in 90/270 degrees to be drawn incorrectly.
-
Fixed: in the X-Win driver, the cdPutImageMap functions were +
Fixed: in the X-Win driver, the cdPutImageMap functions were generating a memory invasion when the X was in 16 bits.
-
Fixed: in the Win32 driver, very large non-filled polygons were not being drawn in Windows 9x. To correct +
Fixed: in the Win32 driver, very large non-filled polygons were not being drawn in Windows 9x. To correct that, they were divided into smaller polygons.

Version 4.1 (24/Nov/99)

-
New: new basic Windows driver attributes that allow controling the internal simulation of pattern/stipple, XOR - text, and filled polygon ("SIMXORTEXT", "SIMPATTERN8X8", +
New: new basic Windows driver attributes that allow controling the internal simulation of pattern/stipple, XOR + text, and filled polygon ("SIMXORTEXT", "SIMPATTERN8X8", "PENFILLPOLY"). New: attribute for returning the HDC of the Windows canvas.
-
New: the PS driver accepts landscape orientation as a parameter. - New: "POLYHOLE" - attribute allows controling the number of holes in a closed polygon. New: "-1" - parameter forces a level 1 Postscript. New: "-g" parameter adds comments to the PS file - in order to better explain what is done. New: "CMD" attribute saves a string to the +
New: the PS driver accepts landscape orientation as a parameter. + New: "POLYHOLE" + attribute allows controling the number of holes in a closed polygon. New: "-1" + parameter forces a level 1 Postscript. New: "-g" parameter adds comments to the PS file + in order to better explain what is done. New: "CMD" attribute saves a string to the file.
-
New: new environment variable, CD_QUIET, does not display in stdout the +
New: new environment variable, CD_QUIET, does not display in stdout the library's version information.
-
New: two new exclusive functions for the Native Window driver: cdGetScreenColorPlanes +
New: two new exclusive functions for the Native Window driver: cdGetScreenColorPlanes and cdGetScreenSize.

New: new CD_DBUFFER driver implements a double buffer using a server image.
-
New: new attributes in the ImageRGB driver: "REDIMAGE", "GREENIMAGE" +
New: new attributes in the ImageRGB driver: "REDIMAGE", "GREENIMAGE" and "BLUEIMAGE".

New: new functions wdGetVectorTextBounds and cdGetVectorTextBounds to obtain the bounding box of the vector text.

New: new wdGetFont function. It is equivalent to cdGetFont, but the returned size is in millimeters.

Fixed: the management of WD functions was incomplete for functions cdPixel, - cdVertex and cdPutImage*. This resulted in a + cdVertex and cdPutImage*. This resulted in a wrong or out of the canvas positioning. It only affects drivers PS and METAFILE.
-
Fixed: function cdActivate in Lua was not returning the correct +
Fixed: function cdActivate in Lua was not returning the correct values.

Fixed: when the image was partially out of the window, above or below, functions - cdPutImageMap and RGB were drawing a wrong + cdPutImageMap and RGB were drawing a wrong portion of the image.
-
Fixed: in the CGM driver, after opening the file of the cdPlay +
Fixed: in the CGM driver, after opening the file of the cdPlay function, the check to see if the opening had been successful was not being done.

Fixed: when the active canvas was already NULL, the activation of a NULL canvas was generating a memory invasion.

Fixed: in the creation of EPS, the PS driver was adding a wrong call to - setpagedevice. The cdPutImageMap function was modifying the - wrong PS parameter in the file. The margin clipping was not saved when the drawing's clipping area was changed. The + setpagedevice. The cdPutImageMap function was modifying the + wrong PS parameter in the file. The margin clipping was not saved when the drawing's clipping area was changed. The clipping area, when drawing in WD, was being incorrectly modified.

Fixed: in the IMAGERGB driver, functions cdRedImage, cdBlueImage and cdGreenImage were returning invalid pointers.
-
Fixed: when initializing text simulation functions, the opened font file was not being closed. This affected +
Fixed: when initializing text simulation functions, the opened font file was not being closed. This affected all CD drivers, but was only apparent in the application that opened and closed many drivers.

Fixed: the approximate computation of the text size was not accepting sizes in pixels.
-
Fixed: the creation of the IMAGERGB driver in Lua was incorrect when the resolution parameter (which is +
Fixed: the creation of the IMAGERGB driver in Lua was incorrect when the resolution parameter (which is optional) was not specified.

Fixed: functions cdGetClipPoly and wdGetClipPoly in Lua were causing memory invasion.

Changed: in the PS driver, when the Map image is actually a grayscale, function cdPutImageMap uses an 8 bit image, thus saving memory. Level 2 Postscript functions - rectfill, rectstroke and rectclip are now used. The + rectfill, rectstroke and rectclip are now used. The comments in DCS were updated to DCS version 3 and were increased to improve the document's portability.

Changed: in driver X-Windows, the text drawing attribute was implemented with any orientation.
-
Changed: function cdVersion in Lua now behaves just like in C. A global Lua - variable, CDLUA_VERSION, was created containing the version of the Lua binding +
Changed: function cdVersion in Lua now behaves just like in C. A global Lua + variable, CDLUA_VERSION, was created containing the version of the Lua binding library - for example: "CDLua 1.3.0".
-
Changed: function cdVectorTextTransform now returns the previsous +
Changed: function cdVectorTextTransform now returns the previsous transformation matrix.

Version 4.0.1 (05/Mar/99)

-
Fixed: in the Windows driver, the polygon simulation with pattern was corrected to polygons with repeated +
Fixed: in the Windows driver, the polygon simulation with pattern was corrected to polygons with repeated points.
-
Fixed: in the Windows driver, function cdNativeFont was +
Fixed: in the Windows driver, function cdNativeFont was corrected for IUP fonts. It was affecting the Matrix's visualization.
-
Fixed: function cdNativeFont was wrongly testing its input +
Fixed: function cdNativeFont was wrongly testing its input parameter and always returning.
-
Fixed: in the drivers IUP and Native Window, the cdGetCanvasSize +
Fixed: in the drivers IUP and Native Window, the cdGetCanvasSize function was corrected. When the window size was changed, the values in millimeters were not updated to cdActivate.
-
Fixed: in the CGM driver, function cdPlay was generating - problems in reading and displaying cell arrays. When the cdCreateCanvas +
Fixed: in the CGM driver, function cdPlay was generating + problems in reading and displaying cell arrays. When the cdCreateCanvas function used the default values for dimensions and resolution, it generated files with errors.
-
Changed: in the X-Windows driver, function cdPixel was +
Changed: in the X-Windows driver, function cdPixel was optimized. It now compares the color to the foreground color and reuses the value.

Version 4.0 (18/Feb/99)
@@ -591,87 +591,87 @@ cdTextBox
cdPutImageRectRGB, cdPutImageRectRGBA, cdPutImageRectMap,
cdCreateImageEx, cdKillImageEx, cdPutImageEx, cdGetImageEx.
- - New: WD functions: wdHardcopy, wdPattern, wdStipple, wdPixel, wdPutImageRect, + - New: WD functions: wdHardcopy, wdPattern, wdStipple, wdPixel, wdPutImageRect, wdPutImageRectRGB, wdPutImageRectRGBA and wdPutImageRectMap.
- - New: vector text functions: cdVectorFont, cdVectorTextDirection, - cdVectorTextTransform, cdVectorTextSize, cdGetVectorTextSize, cdVectorCharSize, cdVectorText and + - New: vector text functions: cdVectorFont, cdVectorTextDirection, + cdVectorTextTransform, cdVectorTextSize, cdGetVectorTextSize, cdVectorCharSize, cdVectorText and cdMultiLineVectorText.
- wdActivate is no longer necessary.
- Driver IMAGERGB complete.
- - Driver SIMULATE no longer exists; now function cdSimulate must be + - Driver SIMULATE no longer exists; now function cdSimulate must be used.
- New: driver DIRECTDRAW.
- Policy change of cdPalette in the X-Windows driver
- IUP driver is now in a separate library.

-
IMPORTANT NOTE: This version is not totally compatible to the previous one. The applications using the driver IUP -must be relinked, as this driver is now in a separate library, "cdiup". The Lua applications must also +
IMPORTANT NOTE: This version is not totally compatible to the previous one. The applications using the driver IUP +must be relinked, as this driver is now in a separate library, "cdiup". The Lua applications must also be modified to include a call to function cdluaiup_open after -cdlua_open, and must be linked with the "cdluaiup" -library. The SIMULATE driver no longer exists, therefore the applications that used it must be modified to use the new +cdlua_open, and must be linked with the "cdluaiup" +library. The SIMULATE driver no longer exists, therefore the applications that used it must be modified to use the new function, cdSimulate, without the need for creating a new driver.

-
Changed: the internal structure of the library was changed once again. One of the purposes is to make the - drivers become independent from the function table. With this change, adding a new function to the function table does - not imply editing the old drivers. We also allowed the drivers not to implement functions that do not make sense in - their context. Another modification simplifying the work in the drivers was to bring the attribute query mechanism to - the library's control part, freeing the drivers from this obligation. Taking the chance, we determined that a change - in an attribute to a value equal to the current one will not be effective, thus saving calls to the driver. Now, the - value of an attribute is changed even if the driver function is not implemented, as the driver can query this - attribute later on. The management of default values of the attributes is also done by the library's control part. All - these changes prepare the library to a new philosophy: before, if a driver did not contain a certain feature, it - simply did nothing. The new philosophy will be: if a driver does not contain a certain feature, then the simulation of +
Changed: the internal structure of the library was changed once again. One of the purposes is to make the + drivers become independent from the function table. With this change, adding a new function to the function table does + not imply editing the old drivers. We also allowed the drivers not to implement functions that do not make sense in + their context. Another modification simplifying the work in the drivers was to bring the attribute query mechanism to + the library's control part, freeing the drivers from this obligation. Taking the chance, we determined that a change + in an attribute to a value equal to the current one will not be effective, thus saving calls to the driver. Now, the + value of an attribute is changed even if the driver function is not implemented, as the driver can query this + attribute later on. The management of default values of the attributes is also done by the library's control part. All + these changes prepare the library to a new philosophy: before, if a driver did not contain a certain feature, it + simply did nothing. The new philosophy will be: if a driver does not contain a certain feature, then the simulation of this feature will be activated.
-
Changed: when a canvas which is already active is activated again, an internal driver function is now called, +
Changed: when a canvas which is already active is activated again, an internal driver function is now called, notifying an update instead of an activation.
-
Changed: the use of the CD canvas with a IUP canvas is better described in the manual, showing the various +
Changed: the use of the CD canvas with a IUP canvas is better described in the manual, showing the various ways of treating the canvas creation prooblem.
-
Changed: all functions in the control module now have ASSERT directives. Thus, +
Changed: all functions in the control module now have ASSERT directives. Thus, using the library with depuration information, one can better detect simple errors.
-
Changed: in order to use the IUP driver, it must be linked with the "cdiup" library, apart +
Changed: in order to use the IUP driver, it must be linked with the "cdiup" library, apart from the "cd" library (cdiup.lib in Windows, cdiuplib.a in UNIX).

Changed: the IMAGERGB driver is now implemented using the simulation functions.
-
Changed: the cdMark function is back to the function table, so that the +
Changed: the cdMark function is back to the function table, so that the drivers in which the primitive can be implemented can profit from it.
-
Changed: in order to assure that the use of server images is done only between canvases of the same driver, or - of the same basic driver, an internal structure was defined for the server image containing the functions of the - driver from which the image was created. Thus, if the cdKillImage function is +
Changed: in order to assure that the use of server images is done only between canvases of the same driver, or + of the same basic driver, an internal structure was defined for the server image containing the functions of the + driver from which the image was created. Thus, if the cdKillImage function is called with an active canvas of a different kind from that in which the image was created, the KillImage function of the correct driver will be called.

Changed: in the X-Windows driver, the XV code was used to optimize functions cdPutImageRectRGB and cdPutImageRectMap.

Changed: the Lua binding was updated. Now the user guide contains Lua function together with C functions.
-
Changed: in the X-Windows driver, cdPalette's policy was changed to fulfill - the requirements of some applications, which wanted to force a palette. Please see the function's documentation in the +
Changed: in the X-Windows driver, cdPalette's policy was changed to fulfill + the requirements of some applications, which wanted to force a palette. Please see the function's documentation in the driver.
-
Changed: the CGM driver used to always store the cdForeground +
Changed: the CGM driver used to always store the cdForeground attribute before drawing a primitive; now it stores the attribute only when it is changed. The cdBackOpacity function was not implemented. The - cdFlush function was not preserving the canvas attributes. Now when - the canvas size is not specified in the cdCreateCanvas function, the - VDC Extension saved to the file is the figure's bounding rectangle. The patterns and/or stipples selected were being + cdFlush function was not preserving the canvas attributes. Now when + the canvas size is not specified in the cdCreateCanvas function, the + VDC Extension saved to the file is the figure's bounding rectangle. The patterns and/or stipples selected were being stored in a way so that only the first one was valid.

Changed: the documentation of the old DOS driver was removed from the user guide.
-
Changed: the default resolution for drivers DGN, DXF, METAFILE, CGM and ImageRGB is no longer 1 but 3.8 points per +
Changed: the default resolution for drivers DGN, DXF, METAFILE, CGM and ImageRGB is no longer 1 but 3.8 points per mm (96 DPI).
-
Changed: in the cdInteriorStyle function, if stipple or pattern are not +
Changed: in the cdInteriorStyle function, if stipple or pattern are not defined, the state of the attribute is not modified. There is no longer a default 32x32 pattern or stipple.
-
Changed: in functions cdFontDim and cdTextSize, +
Changed: in functions cdFontDim and cdTextSize, if the driver does not support this kind of query, the values are estimated.

Changed: function cdHatch now returns the previous value.

Changed: function cdScrollImage is now called - cdScrollArea, better reflecting its functionality, since it does not require any explicitly defined image + cdScrollArea, better reflecting its functionality, since it does not require any explicitly defined image to be performed. The old function is maintained to assure compatibility with old applications.
-
Changed: the cdPlay function now accepts all window parameters null. In this +
Changed: the cdPlay function now accepts all window parameters null. In this case, the primitives in the file are interpreted without scaling.
-
Changed: cdFontnow accepts font sizes in pixels when negative values are +
Changed: cdFontnow accepts font sizes in pixels when negative values are used as a parameter.
-
Changed: the WD functions were included in the library's function table, so that the drivers can use floating point - precision when storing primitives. Presently, only the drivers PS and METAFILE have this resource directly - implemented. With this change, the wdActivate function became obsolete and is - no longer necessary. For purposes of compatibility with other applications, it was maintained only as a call to +
Changed: the WD functions were included in the library's function table, so that the drivers can use floating point + precision when storing primitives. Presently, only the drivers PS and METAFILE have this resource directly + implemented. With this change, the wdActivate function became obsolete and is + no longer necessary. For purposes of compatibility with other applications, it was maintained only as a call to function cdActivate.

Changed: drivers EMF and WMF now accept the resolution as a parameter.

New: internal modification of the Windows driver to allow the creation of the DirectDraw driver.
@@ -684,138 +684,138 @@ function, cdSimulate, without t

New: new functions:
- cdCreateCanvasf accepts parameters equivalent to sprintf, helping in the creation of some canvases.
- - cdOrigin allows translating the origin - for instance, to the center of the + - cdOrigin allows translating the origin - for instance, to the center of the canvas.
- - cdGetContext returns the context of a given canvas; it can be compared with + - cdGetContext returns the context of a given canvas; it can be compared with predefined contexts, such as "CD_PS".
- - cdSaveState and cdRestoreState + - cdSaveState and cdRestoreState allow saving and restoring the state of attributes of the active canvas.
- - cdSetAttribute and cdGetAttribute - allow passing customized attributes to the driver, which are ignored if the driver does not have the attribute + - cdSetAttribute and cdGetAttribute + allow passing customized attributes to the driver, which are ignored if the driver does not have the attribute defined.
- - cdContextCaps returns a combination of several flags informing the + - cdContextCaps returns a combination of several flags informing the available resources of the canvas in that context.
- - Driver SIMULATE no longer exists. Now function cdSimulate must be + - Driver SIMULATE no longer exists. Now function cdSimulate must be used. The simulation can be activated and deactivated at any moment.
- - cdRect and wdRect allow drawing a box + - cdRect and wdRect allow drawing a box with no filling.
- cdGetFont returns the values of the font modified by function cdFont and ignores those modified by cdNativeFont.
- - cdTextBox returns the horizontal bounding rectangle of the text + - cdTextBox returns the horizontal bounding rectangle of the text box, even if it is bended.
- - cdGetStipple and cdGetPattern - return current stipple and pattern. With these functions and with function cdGetFont, + - cdGetStipple and cdGetPattern + return current stipple and pattern. With these functions and with function cdGetFont, one can now totally change and restore the attributes of a given canvas.
- - wdPattern and wdStipple allow + - wdPattern and wdStipple allow specifying the style in world coordinates. The size of the image is modified to the specified size in millimeters.
- functions cdPutImageRectRGB, cdPutImageRectRGBA and - cdPutImageRectMap allow specifying a rectangle in the image to be used for the drawing instead of the whole + cdPutImageRectMap allow specifying a rectangle in the image to be used for the drawing instead of the whole image.
- wdPixel, wdPutImageRect, wdPutImageRectRGB, wdPutImageRectRGBA - and wdPutImageRectMap are equivalent to cdPixel, + and wdPutImageRectMap are equivalent to cdPixel, cdPutImageRect, cdPutImageRectRGB, cdPutImageRectRGBA and cdPutImageRectMap, respectively, but the target coordinates are specified in world coordinates.
- - New: vector text functions: cdVectorFont, cdVectorTextDirection, - cdVectorTextTransform, cdVectorTextSize, cdGetVectorTextSize, - cdVectorCharSize, cdVectorText, cdMultiLineVectorText. The vector + - New: vector text functions: cdVectorFont, cdVectorTextDirection, + cdVectorTextTransform, cdVectorTextSize, cdGetVectorTextSize, + cdVectorCharSize, cdVectorText, cdMultiLineVectorText. The vector text can now be used without the need of world coordinates. Functions wdVectorFont - and wdVectorTextTransform have become obsolete, though they + and wdVectorTextTransform have become obsolete, though they still exist for compatibility reasons.
- - wdHarcopy helps drawing WD primitives in devices, adjusting Window + - wdHarcopy helps drawing WD primitives in devices, adjusting Window and Viewport.
- - Auxiliary functions were created to manipulate all sorts of images in a single way, being either client, RGB, RGBA, + - Auxiliary functions were created to manipulate all sorts of images in a single way, being either client, RGB, RGBA, MAP, or server images: cdCreateImageEx, cdKillImageEx, cdPutImageEx, cdGetImageEx, etc.

-
Fixed: the documentation of function cdFont was confusing, causing +
Fixed: the documentation of function cdFont was confusing, causing errors in the conversion from pixels to points.
-
Fixed: function wdFont was making a wrong conversion of the font size +
Fixed: function wdFont was making a wrong conversion of the font size parameter from millimeters to points.

Fixed: functions wdVectorText and - wdMultiLineVectorText were generating an extra polygon when the text contained blank spaces in certain + wdMultiLineVectorText were generating an extra polygon when the text contained blank spaces in certain positions.
Fixed: the PS driver was not prepared for marked texts. Function cdFlush - did not preserve current attributes. The interior style was affecting line drawing. The text alignment now takes into - account an estimation for the baseline. Function cdTextOrientation - was implemented. The world coordinate functions were implemented directly in the driver. Hatch and stipple interior +
Fixed: the PS driver was not prepared for marked texts. Function cdFlush + did not preserve current attributes. The interior style was affecting line drawing. The text alignment now takes into + account an estimation for the baseline. Function cdTextOrientation + was implemented. The world coordinate functions were implemented directly in the driver. Hatch and stipple interior styles were implemented, but they are still only opaque.
Fixed: in the X-Windows driver, function cdGetColorPlanes was - returning 8 bpp even if the canvas was 24 bbp when the default visualization was different from the canvas' +
Fixed: in the X-Windows driver, function cdGetColorPlanes was + returning 8 bpp even if the canvas was 24 bbp when the default visualization was different from the canvas' visualization in that X server. Text position on the screen was above the one entered. Function cdFont was looping in certain conditions. Function - cdEnd in the X-Windows driver in the AIX system was generating an error and aborting the program if only + cdEnd in the X-Windows driver in the AIX system was generating an error and aborting the program if only one point of the polygon was specified. Dashed lines were always opaque, ignoring the cdBackOpacity attribute.
Fixed: in the Clipboard driver for X-Windows, a parameter was missing which prevented it from working +
Fixed: in the Clipboard driver for X-Windows, a parameter was missing which prevented it from working properly. Before the update, it used that of the IUP/Native Window active canvas.
Fixed: in the Windows driver, the text position on the screen was above the position provided. Filled - polygons had a one pixel error to the right and below due to the small NULL used. - Fillings with hatch, pattern and stipple still contain errors. The internal simulation of polygons filled with pattern - and stipple was also corrected; they had one additional pixel to the right and below. Text alignment treatment was +
Fixed: in the Windows driver, the text position on the screen was above the position provided. Filled + polygons had a one pixel error to the right and below due to the small NULL used. + Fillings with hatch, pattern and stipple still contain errors. The internal simulation of polygons filled with pattern + and stipple was also corrected; they had one additional pixel to the right and below. Text alignment treatment was improved.
Fixed: driver WMF now has text alignment.
Fixed: in the PRINTER (Windows) driver, function cdFlush was +
Fixed: in the PRINTER (Windows) driver, function cdFlush was not preserving current attributes.
Fixed: in the CGM driver, the text align interpretation was corrected. The cdMark function is implemented directly in the driver. Function cdBackOpacity was implemented. Mark interpretation was also corrected.
OPTIMIZATION: function wdVectorFont only loads the new font if it is +
OPTIMIZATION: function wdVectorFont only loads the new font if it is different from the current one.
OPTIMIZATION: function cdMark now modifies fill and line attributes only if +
OPTIMIZATION: function cdMark now modifies fill and line attributes only if they are different from the one needed to draw the mark.

Version 3.6 (05/May/98)

Fixed: / Win32: every time the clipping region changed the old region was not deleted.
New: new function cdRGB2Map, which converts an RGB image into a +
New: new function cdRGB2Map, which converts an RGB image into a 256 indexed-colors image. It is the same algorithm used in the IM library - in fact, it is the same code.
Changed: the cdMark function now uses the cdPixel function when drawing a mark of 1 pixel size.
Changed: / Win32: the cdPixel function now uses the SetPixelV function when not under Win32s. This function is faster than the SetPixel function because it does not return the old value.
Changed: / Win32: the polygon used for clipping is now optimized to not include 3 points that are in the same +
Changed: / Win32: the polygon used for clipping is now optimized to not include 3 points that are in the same horizontal or vertical line.
Fixed: / WD: the wdVectorText function was not drawing +
Fixed: / WD: the wdVectorText function was not drawing correctly when extended characters (>128) were used.
Fixed: / X: the cdPalette function and the color management - for canvases with only 256 colors were wrong. Each canvas had its own management, now all canvases in the same +
Fixed: / X: the cdPalette function and the color management + for canvases with only 256 colors were wrong. Each canvas had its own management, now all canvases in the same aplication use the same management.
Fixed: / X: several resource and memory leaks were corrected.
Fixed: / IMAGERGB: functions cdRedImage, - cdGreenImage and cdBlueImage + cdGreenImage and cdBlueImage were not returning the correct pointer.
Fixed: / SunOS: drivers IMAGERGB, SIMULATE and NATIVEWINDOW use the "%p" format string, but in the SunOS +
Fixed: / SunOS: drivers IMAGERGB, SIMULATE and NATIVEWINDOW use the "%p" format string, but in the SunOS they use "%d" because of an internal bug of the run time library of this OS.
Changed: / IUP: driver IUP sets the cdCanvas function as an - attribute of the IupCanvas passed as a parameter using the name +
Changed: / IUP: driver IUP sets the cdCanvas function as an + attribute of the IupCanvas passed as a parameter using the name "_CD_CANVAS".
MANUAL: the manual appearance was changed to match the new Tecgraf standard.

Version 3.5 (07/Jan/98)

New: the cdTextDirection function allows raster text to be drawn +
New: the cdTextDirection function allows raster text to be drawn in any direction. Up to now it is implemented only in the basic Win32 driver.
Fixed: / X / NativeWindow: the canvas was not created if the screen was 0.
Fixed: / Win32 / NativeWindow: now the driver considers the existence of non owner-draw device contexts.
Fixed: / Win32: function cdClipArea was not including xmax and xmin in the clipping area.
Changed: the cdCallback typedef was defined, being useful for +
Changed: the cdCallback typedef was defined, being useful for type casting when calling the cdRegisterCallback function.
Fixed: / Win32: a compatibility problem with the cdNativeFont +
Fixed: / Win32: a compatibility problem with the cdNativeFont string and the WINFONT IUP attribute was corrected.
Changed: / Win32: the cdPutImageRGB and cdPutImageMap functions use a cache memory for best performance.
Fixed: text size estimation for the CGM and PS drivers now uses Courier - New: as the "System" font. As it was, +
Fixed: text size estimation for the CGM and PS drivers now uses Courier + New: as the "System" font. As it was, it was causing a memory invasion.

Version 3.4 (12/Nov/97)

Changed: / X: memory use of the cdPutImageRGB, - cdPutImageRGBA and cdPutImageMap - functions was optimized, as well as the performance of the cdPutImageMap + cdPutImageRGBA and cdPutImageMap + functions was optimized, as well as the performance of the cdPutImageMap function.
Changed: / X and Win32: when the canvas has bpp <= 8, function cdPutImageRGB converts the image into Map before displaying it.

cdSimulate

DOC / PS: the "-d" parameter for the EPS option was not documented.
Fixed: / PS: parameters "-w" and "-h" were incorrectly interpreted.
Fixed: / X: the internal function names were generating an error in the VMS plataform.
Fixed: / X: the cdKillCanvas function was freeing some +
Fixed: / X: the cdKillCanvas function was freeing some pointers of the active canvas.
Changed: / Win32: the cdVertex function now ignores duplicate +
Changed: / Win32: the cdVertex function now ignores duplicate points.
Changed: / Win32: the cdNativeFont function also accepts the +
Changed: / Win32: the cdNativeFont function also accepts the font string of the WINFONT IUP attribute.
Fixed: / DXF: corrections in color conversion and in the cdArc +
Fixed: / DXF: corrections in color conversion and in the cdArc function for small radius were made, and an unnecessary identation was removed.

Version 3.3 (19/Sep/97)

Changed: / X: the cdFont function now has a better heuristic +
Changed: / X: the cdFont function now has a better heuristic to find a closer font if the requested font does not match an available one.
Changed: / X: the cdPattern and - cdStipple functions now use a bitmap cache to store the pixmap and + cdStipple functions now use a bitmap cache to store the pixmap and do not recreate it if the size is not changed.
Fixed: / X and Win32: the cdPutImageRect function was placing +
Fixed: / X and Win32: the cdPutImageRect function was placing the bitmap in a wrong position.
Fixed: / Win32: the cdCreateImage function did not return NULL when the creating failed.
Changed: / Win32: the cdPutImageRGB, - cdPutImageRGBA and cdPutImageMap functions + cdPutImageRGBA and cdPutImageMap functions were largely optimized when the picture displayed is larger than the screen.
Changed: / WMF: using the cdPlay function we discovered that - the size of the picture was incorrect in the header file, so we first had to calculate the bounding box and then +
Changed: / WMF: using the cdPlay function we discovered that + the size of the picture was incorrect in the header file, so we first had to calculate the bounding box and then interpret the picture.
Changed: / PS and CGM: now the cdFontDim and - cdTextSize functions return approximate dimensions, instead of + cdTextSize functions return approximate dimensions, instead of nothing.
Fixed: / PS: the default font was not being set when the canvas was created.
Fixed: / PS: text alignment was incorrect in the vertical direction.
Fixed: / SIM: the clipping algorithm of the cdPixel function +
Fixed: / SIM: the clipping algorithm of the cdPixel function of the Simulation driver was corrected.
Fixed: / CD: now you can activate a NULL canvas. When you get the active - canvas and restore it, if it was NULL the cdActivate +
Fixed: / CD: now you can activate a NULL canvas. When you get the active + canvas and restore it, if it was NULL the cdActivate function was accessing an invalid pointer.
MANUAL: several changes were made on the online manual structure, and were added to the CDLua page.

Version 3.2

A problem in the cdFlush function in the Postscript driver was +
A problem in the cdFlush function in the Postscript driver was corrected. It was not setting the scale.
Functions wdFontDim and wdTextSize now check if the return pointers are not NULL.
An internal function in the DGN driver was drawing an ellipse with two times the axis size.
The cdFont function was corrected to store the font names in the +
The cdFont function was corrected to store the font names in the CGM driver.

Version 3.1

Several minor bugs in the Win32 Printer driver and in the Postscript driver were corrected. The EPS mode of the PS +
Several minor bugs in the Win32 Printer driver and in the Postscript driver were corrected. The EPS mode of the PS driver now generates a "showpage" PS function so it can be printed.
The Clipboard driver was implemented in Motif. The cdPlay +
The Clipboard driver was implemented in Motif. The cdPlay function was implemented in the Motif and Win32 Clipboard drivers.
The cdRegisterCallback function was added to allow the +
The cdRegisterCallback function was added to allow the customization of the cdPlay function's behavior.
The wdVectorTextTransform function allows a 2D transformation +
The wdVectorTextTransform function allows a 2D transformation applied to any vector text.
Now the Simulation driver has several levels of simulation, and the simulation was improved with pattern and +
Now the Simulation driver has several levels of simulation, and the simulation was improved with pattern and clipping simulation.

Version 3.0

The library's architecture underwent several changes. The function tables are no longer public, only the drivers - know its structure. This means that we have eliminated the need to recompile applications that use the dynamic library - when we change something in the function table. There are some other benefits, like the fact that the Windows DLL can +
The library's architecture underwent several changes. The function tables are no longer public, only the drivers + know its structure. This means that we have eliminated the need to recompile applications that use the dynamic library + when we change something in the function table. There are some other benefits, like the fact that the Windows DLL can now be implemented and that it is more simple to explain the library to new users, so they will not be confused by the cdprivat.h header.
Corrections to the text alignment of the wdVectortext function +
Corrections to the text alignment of the wdVectortext function were made.
Memory allocation of the cdPattern and cdStipple functions in the basic Windows driver was corrected.
Memory release of the cdKillCanvas function in the basic Windows +
Memory release of the cdKillCanvas function in the basic Windows driver was corrected.
The cdPattern function was implemented in the Postscript driver, +
The cdPattern function was implemented in the Postscript driver, and the cdPutImageRGB and cdPutImageMap functions now write color images.
The cdPattern function was corrected in the basic X-Windows +
The cdPattern function was corrected in the basic X-Windows driver for use with clipping.
The compiler directive #include<malloc.h> was changed to - #include<stdlib.h> in several modules for better compatibility with + #include<stdlib.h> in several modules for better compatibility with other compilers.
The cdPlay function now accepts the viewport rectangle where the +
The cdPlay function now accepts the viewport rectangle where the drawing will be rendered.
Several navigation changes were made to the user guide pages.
A new CD_SIMULATE driver was created. Use it to replace some primitives and to handle attributes - of another driver. It can be used with any other driver. Basically, it substitutes the interior style of dependent +
A new CD_SIMULATE driver was created. Use it to replace some primitives and to handle attributes + of another driver. It can be used with any other driver. Basically, it substitutes the interior style of dependent primitives: box, sector and filled polygons. It also substitutes the clipping methods of these primitives.
The Windows DLL version of the library was created.

@@ -924,31 +924,31 @@ function, cdSimulate, without t

Version 2.2.0

New: Functions:

- +

cdVersion - returns the current library version.
cdNativeFont - sets a native font.
cdPutImageRect - same as cdPutImage but you may specify a part of the image.
- cdPutImageRGBA - cdPutImageRGB + cdPutImageRGBA - cdPutImageRGB with transparency.
- wdFont - cdFont + wdFont - cdFont for the WD client, the size parameter is in millimeters.

- +

New: Drivers:

- +

NativeWindow - now the library can work with other Interface libraries.
DGN - MicroStation Design File.
EMF - Windows Enhanced Metafile.
CD Metafile - our own metafile.
Client Image RGB - now you can write in an RGB image.

- +

DGN, CGM and DXF file-based drivers now have a default size in - pixels (INT_MAX = 2.147.483.647) and are optional. In fact the size is irrelevant in these file - formats. The cdCreateCanvas data string may contain the size in +
DGN, CGM and DXF file-based drivers now have a default size in + pixels (INT_MAX = 2.147.483.647) and are optional. In fact the size is irrelevant in these file + formats. The cdCreateCanvas data string may contain the size in millimeters and the resolution in pixels per millimeters. Both are real values. The default resolution is 1.
The cdPlay function now works on the CGM and on the CD Metafile +
The cdPlay function now works on the CGM and on the CD Metafile drivers.
The interior style attributes were implemented in the CGM driver.
On the Clipboard driver: limitations are considered if creating a WMF under Win32s.

cdSimulate

On the WMF driver: several functions were disabled because of WMF limitations. Picture size was corrected.
On the basic X-Windows driver: cdLineWidth(1) uses width 0 for better performance. Stipple was being incorrectly interpreted. - cdGetImageRGB was swapping red and blue channels on true color + cdGetImageRGB was swapping red and blue channels on true color canvas.
The clipping region now can be a polygon on some systems/drivers (Win32, Mac, X-Win and PS). Use cdClip(CD_CLIPPOLYGON) to use the polygon defined by a @@ -972,13 +972,13 @@ function, cdSimulate, without t

Up to Version 2.1

The cdActiveCanvas, cdPlay +
The cdActiveCanvas, cdPlay and the wdVectorFont functions were added, and the - cdKillCanvas function was corrected when destroying the current + cdKillCanvas function was corrected when destroying the current canvas.
The cdMark function no longer depends on line style, line width +
The cdMark function no longer depends on line style, line width and interior style attributes, and it is the same for all drivers because it is implemented only with CD functions.
The wdLineWidth and wdMarkSize +
The wdLineWidth and wdMarkSize functions now use millimeters.
The functions cdEncodeColor and cdDecodeColor now can be called without an active canvas. The DXF driver was added.

Internal Architecture

Modularity

Samples

Simple Draw

This is an example of a simple drawing program using a IUP canvas:

Generating an EMF file that contains an IM Image in Lua

-image = im.FileImageLoadBitmap(image_filename)
+image = im.FileImageLoadBitmap(image_filename)
 canvas = cd.CreateCanvas(cd.EMF,emf_filename.." "..image:Width().."x"..image:Height())
 image:cdCanvasPutImageRect(canvas,0,0,0,0)
 cd.KillCanvas(canvas)
diff --git a/html/en/to_do.html b/html/en/to_do.html
index e2b7299..2fc0e11 100644
--- a/html/en/to_do.html
+++ b/html/en/to_do.html
@@ -15,7 +15,7 @@
 
 
 
-To Do
+To Do
 CD
 
   A new GDK base driver.
diff --git a/html/en/toolkits.html b/html/en/toolkits.html
index d80c7af..ce478a8 100644
--- a/html/en/toolkits.html
+++ b/html/en/toolkits.html
@@ -11,7 +11,7 @@
 
 
 
-Comparing CD with Other Graphics Libraries
+Comparing CD with Other Graphics Libraries
 
   There are other graphics libraries, with some portability among operational 
   systems, available on the Internet. Among them we can highlight:
-- 
cgit v1.2.3

Lua Binding

Lua Binding

Overview

CDLua+IMLua

CDLua+IMLua

Tecgraf Library License

Download

Download

Tecgraf/PUC-Rio Library Download Tips

Tecgraf/PUC-Rio Library Download Tips

CD_CGM - Computer Graphics Metafile Driver (cdcgm.h)

CD_CGM - Computer Graphics Metafile Driver (cdcgm.h)

CD_CLIPBOARD - Clipboard Driver (cdclipbd.h)

CD_CLIPBOARD - Clipboard Driver (cdclipbd.h)

CD_DBUFFER - Double Buffer Driver using a server image (cddbuf.h)

CD_DBUFFER - Double Buffer Driver using a server image (cddbuf.h)

CD_DBUFFERRGB - Double Buffer Driver using a RGB image (cdirgb.h)

CD_DBUFFERRGB - Double Buffer Driver using a RGB image (cdirgb.h)

CD_DEBUG - CD Debug Driver (cddebug.h)

CD_DEBUG - CD Debug Driver (cddebug.h)

CD_DGN - MicroStation Design File Driver (cddgn.h)

CD_DGN - MicroStation Design File Driver (cddgn.h)

CD_DXF - AutoCAD Image Exchange File Driver (cddxf.h)

CD_DXF - AutoCAD Image Exchange File Driver (cddxf.h)

CD_EMF - Enhanced Metafile Driver (cdemf.h)

CD_EMF - Enhanced Metafile Driver (cdemf.h)

CD_IMAGE - Server Image Driver (cdimage.h)

CD_IMAGE - Server Image Driver (cdimage.h)

CD_IMAGERGB - RGB Client Image Driver (cdirgb.h)

CD_IMAGERGB - RGB Client Image Driver (cdirgb.h)

CD_IUP - IUP Driver (cdiup.h)

CD_IUP - IUP Driver (cdiup.h)

CD_METAFILE - CD Metafile Driver (cdmf.h)

CD_METAFILE - CD Metafile Driver (cdmf.h)

CD_NATIVEWINDOW - Native Window Driver (cdnative.h)

CD_NATIVEWINDOW - Native Window Driver (cdnative.h)

CD_PDF - PDF Driver (cdpdf.h)

CD_PDF - PDF Driver (cdpdf.h)

CD_PICTURE - CD Picture (cdpicture.h)

CD_PICTURE - CD Picture (cdpicture.h)

CD_PRINTER - Printer Driver (cdprint.h)

CD_PRINTER - Printer Driver (cdprint.h)

CD_PS - PostScript Driver (cdps.h)

CD_PS - PostScript Driver (cdps.h)

CD_WMF - Windows Metafile Driver (cdwmf.h)

CD_WMF - Windows Metafile Driver (cdwmf.h)

History of Changes

History of Changes

CVS (21/Sep/2008)

Version 5.2 (26/Jun/2008)

Version 5.1.1 (15/Dec/2008)

Version 5.1 (14/Oct/2008)

Version 5.0 (26/Nov/2007)

Version 5.0 RC2 (09/Apr/2007)

Version 5.0 RC1 (08/Mar/2007)

Version 4.4 (12/Dec/2005)

Version 4.3.2 (14/Apr/2004)

Version 4.3.1 (07/Nov/2003)

Version 4.3 (06/Mar/2003)

Version 4.2 (20/July/2001)

Version 4.1.10 (04/May/2000)

Version 4.1 (24/Nov/99)

Version 4.0.1 (05/Mar/99)

Version 4.0 (18/Feb/99)

Version 3.6 (05/May/98)

Version 3.5 (07/Jan/98)

Version 3.4 (12/Nov/97)

Version 3.3 (19/Sep/97)

Version 3.2

Version 3.1

Version 3.0

Version 2.2.0

Up to Version 2.1

Internal Architecture

Internal Architecture

Modularity

Samples

Samples

Simple Draw

Generating an EMF file that contains an IM Image in Lua