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| author | scuri <scuri> | 2008-10-17 06:10:33 +0000 |
|---|---|---|
| committer | scuri <scuri> | 2008-10-17 06:10:33 +0000 |
| commit | 7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf (patch) | |
| tree | d0857278bde2eff784227c57dcaf930346ceb7ac /html/en/drv/win32.html | |
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'html/en/drv/win32.html')
| -rw-r--r-- | html/en/drv/win32.html | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/html/en/drv/win32.html b/html/en/drv/win32.html new file mode 100644 index 0000000..53ac2a5 --- /dev/null +++ b/html/en/drv/win32.html @@ -0,0 +1,137 @@ +<!doctype HTML PUBLIC "-//IETF//DTD HTML//EN"> +<html> + +<head> +<meta http-equiv="Content-Language" content="en-us"> +<meta http-equiv="Content-Type" content="text/html; charset=windows-1252"> +<title>Windows</title> +<link rel="stylesheet" type="text/css" href="../../style.css"> +</head> + +<body> + +<h2>Microsoft Windows Base Driver</h2> + + <p>This driver represents a base driver for all system-dependent drivers implemented in the Microsoft Windows system. + The implementation uses Win32 API graphics functions, the GDI. The driver works better in Windows NT, but it may also + work in Windows 9x/Me.</p> + +<h3>Behavior of Functions</h3> +<h4>Control </h4> +<ul> + <li><a href="../func/control.html#cdFlush"><font face="Courier"><strong>Flush</strong></font></a>: + does nothing.</li> + <li><a href="../func/other.html#cdPlay"><font face="Courier"><strong>Play</strong></font></a>: + does nothing, returns <font face="Courier">CD_ERROR</font>. </li> +</ul> +<h4>Coordinate System and Clipping </h4> +<ul> + <li><a href="../func/coordinates.html#cdUpdateYAxis"><font face="Courier"> + <strong>UpdateYAxis</strong></font></a>: the orientation of axis Y is the opposite to its orientation in the CD + library.</li> +</ul> +<h4>Primitives</h4> +<ul> + <li><a href="../func/text.html#cdText"><font face="Courier"><strong>Text</strong></font></a>: + when Write Mode is <strong><tt>XOR</tt></strong> or <strong><tt>NOT_XOR</tt></strong>, the XOR effect is simulated + using bitmaps.</li> + <li><font face="Courier"><strong><a href="../func/lines.html#cdLine">Line</a></strong></font>: + needs to draw an extra pixel in the final position.</li> +</ul> +<h4>Attributes </h4> +<ul> + <li><a href="../func/attributes.html#cdWriteMode"><font face="Courier"> + <strong> + WriteMode</strong></font></a>: for the client and server image functions, the mode <strong><tt>NOT_XOR</tt></strong> + works as <strong><tt>XOR</tt></strong>.</li> + <li><a href="../func/filled.html#cdStipple"><font face="Courier"><strong> + Stipple</strong></font></a>: is always opaque. If not in Windows NT and if <font face="Courier">width</font> or + <font face="Courier">height</font> are greater than 8, the stipple is simulated using non-regular Windows clipping + regions and bitmaps. The simulation is made when filled boxes, sectors and polygons are drawn.</li> + <li><a href="../func/filled.html#cdPattern"><font face="Courier"><strong> + Pattern</strong></font></a>: If not in Windows NT and if <font face="Courier">width</font> or <font face="Courier"> + height</font> are greater than 8, the pattern is simulated using non-regular Windows clipping regions and bitmaps. The + simulation is made when filled boxes, sectors and polygons are drawn.</li> + <li><a href="../func/lines.html#cdLineWidth"><font face="Courier"><strong> + TextAlignment</strong></font></a>: the vertical alignment of CD_CENTER, CD_EAST, CD_WEST is manually calculated.</li> + <li><a href="../func/lines.html#cdLineWidth"><font face="Courier"><strong> + LineWidth</strong></font></a>: If not in Windows NT line width is always 1. If line width is 1, then a cosmetic pen + is used for fast drawing.</li> + <li><font face="Courier"><strong><a href="../func/lines.html#cdLineStyle"> + LineStyle</a></strong></font>: If line width is 1, the style is a little different from when line width is not 1, + because a cosmetic pen is used for width=1.</li> + <li><a href="../func/text.html#cdNativeFont"><font face="Courier"><strong> + NativeFont</strong></font></a>: also accepts <em><strong>"-d"</strong></em><strong> + </strong> to show the font-selection dialog box.</li> + <li><a href="../func/text.html#cdFont"><font face="Courier"><strong>Font</strong></font></a>: + "Courier" is mapped to "Courier New", "Helvetica" is mapped to "Arial", and + "Times" is mapped to "Times New Roman". Underline and + Strikeout are supported. The System font does not have orientation.</li> +</ul> +<h4>Client Images </h4> +<ul> + <li><font face="Courier"><strong><a href="../func/client.html#cdPutImageRGBA"> + PutImageRGBA</a></strong></font>: Try to use the new GDI function AlphaBlend, if not available captures an image + from the canvas to blend it manually.</li> +</ul> +<h4>Colors </h4> +<ul> + <li><a href="../func/color.html#cdPalette"><font face="Courier"><strong>Palette</strong></font></a>: + is useful only if the device has 256 colors. If it has less than 256 colors, ignore this function, for it will not + make much difference. If two different canvases have their palettes modified, the last one to be modified will have + the best quality; the other one will not have good quality and the colors might have a completely different + appearance.</li> +</ul> +<h4>Exclusive Attributes</h4> +<ul> + <li>"<b><font face="Courier">HDC</font></b>": returns the HDC of the Win32 canvas. It can only be retrieved (get + only). In Lua is returned as a user data.</li> +</ul> +<ul> + <li>"<strong><font face="Courier">PENFILLPOLY</font></strong>": controls the polygon filling outline. Assumes values + "1" (active) and "0" (inactive). Default value: "1". When a filled polygon is drawn, a line in the same color is used + to draw the border which is not included in the filling. Deactivating this attribute solves the problem of polygons + with holes, in which there is a line connecting the external polygon to the internal polygon.</li> +</ul> +<ul> + <li>"<b><font face="Courier">IMAGEFORMAT</font></b>": defines the number of bits per pixel used to create server + images. It uses 1 integer that can have the values: "32" or "24" (%d). Use NULL to remove the attribute. It is used + only in the <font face="Courier"><strong>cdCreateImage</strong></font>. When not defined, the server images use the + same format of the canvas.</li> +</ul> +<ul> + <li>"<strong><font face="Courier">IMAGEALPHA</font></strong>": allows the usage of an alpha channel for server + images if IMAGEFORMAT=32. The attribute format is a pointer to the transparency values in a sequence of chars in + the same format of alpha for client images. The attribute is used only in the <font face="Courier"><strong> + cdCreateImage</strong></font> and for every <font face="Courier"><strong> + cdPutImageRect</strong></font>, the pointer must exists while the image exists. The alpha values are transfered to + the image only in <font face="Courier"><strong>cdPutImageRect</strong></font>, so they can be freely changed any time. + It will use the <strong><font face="Courier">AlphaBlend</font></strong> GDI + function. The data is not duplicated, only the pointer is stored. The size of + the data must be the same size of the image. Use NULL to remove the attribute. + Not accessible in Lua.</li> +</ul> +<ul> + <li>"<strong><font face="Courier">IMAGEMASK</font></strong>": defines a binary transparency mask for server + images. The format is the same of a stipple, can contain only 0s and 1s. Use 2 integers, width and height, and a char + pointer to the mask values inside a string ("%d %d %p"). Use NULL to remove the attribute. It can not be retrieved + (set only). Not accessible in Lua. It will use the <font face="Courier"><strong>MaskBlt</strong></font> + GDI function.</li> +</ul> +<ul> + <li>"<b><font face="Courier">IMAGEPOINTS</font></b>": define 3 coordinates of a paralelogram that will be used + to warp server images. Use 6 integer values inside a string ("%d %d %d %d %d %d" = x1 y1 x2 y2 x3 y3). Use NULL to + remove the attribute. The respective specified points are the upper-left corner, the upper-right corner and the lower + left corner. The drawing is also affected by the "IMAGEMASK" attribute. It will use the <font face="Courier"><strong> + PlgBlt</strong></font> GDI function. </li> +</ul> +<ul> + <li>"<b><font face="Courier">ROTATE</font></b>": allows the usage of 1 + angle and 1 coordinate (x, y), that define a global rotation transformation + centered in the specified coordinate. Use 1 real and 2 integer values inside a + string ("%g %d %d" = angle x y).</li> +</ul> + +</body> + +</html>
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