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General Attributes

long int cdCanvasForeground(cdCanvas* canvas, long int color); [in C]
 void cdCanvasSetForeground(cdCanvas* canvas, long int color); [in C]
 
 canvas:Foreground(color: lightuserdata) -> (old_color: lightuserdata) [in Lua]
 canvas:SetForeground(color: lightuserdata) [in Lua]

Configures a new current foreground color and returns the previous one. This - color is used in all primitives (lines, areas, marks and text). Default value: +

Configures a new current foreground color and returns the previous one. + This color is used in all primitives (lines, areas, marks and text). Default + value: CD_BLACK. Value CD_QUERY simply returns the - current value.

+ current value.

Notice that CD_QUERY conflicts with color RGBA=(255,255,255,0) (full - transparent white). Use SetForeground to avoid the - conflict. See also Color Coding.
+ transparent white). Use SetForeground to avoid the + conflict. See also Color Coding.

long int cdCanvasBackground(cdCanvas* canvas, long int color); [in C]
 void cdCanvasSetBackground(cdCanvas* canvas, long int color); [in C]
 
@@ -33,7 +36,8 @@ canvas:SetBackground(color: lightuserdata) [in Lua]

Value CD_QUERY simply returns the current value.

Notice that CD_QUERY conflicts with color RGBA=(255,255,255,0) (full transparent white). Use SetBackground to avoid the - conflict. See also Color Coding.

+ conflict. See also Color Coding.

int cdCanvasWriteMode(cdCanvas* canvas, int mode); [in C]
 
 canvas:WriteMode(mode: number) -> (old_mode: number) [in Lua]

@@ -44,6 +48,6 @@ canvas:WriteMode(mode: number) -> (old_mode: number) [in Lua]

Note: operation XOR is very useful, because, using white as the foreground color and drawing the same image twice, you can go back to the original color, - before the drawing. This is commonly used for mouse selection feedback.

+ before the drawing. This is commonly used for mouse selection feedback.

diff --git a/html/en/func/filled.html b/html/en/func/filled.html index 97a2e84..036f015 100644 --- a/html/en/func/filled.html +++ b/html/en/func/filled.html @@ -35,11 +35,11 @@ PDF drivers the line at the edge is not included at all.

the clipping is only affected if it is active.

Filled Polygons

Filled Polygons

Filled polygons can be created using cdBegin(CD_FILL)/cdVertex(x,y)/.../cdEnd().

See the documentation of cdBegin/cdVertex/cdEnd.

- +

void cdCanvasBox(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax); [in C]
 void cdfCanvasBox(cdCanvas* canvas, double xmin, double xmax, double ymin, double ymax); [in C]
 void wdCanvasBox(cdCanvas* canvas, double xmin, double xmax, double ymin, double ymax); (WC) [in C]
@@ -53,8 +53,8 @@ canvas:wBox(xmin, xmax, ymin, ymax: number) (WC) [in Lua]

will be painted. When the interior style CD_HOLLOW is defined, the function behaves like its equivalent cdRect.

- -

void cdCanvasSector(cdCanvas* canvas, int xc, int yc, int w, int h, double angle1, double angle2); [in C]
+

void cdCanvasSector(cdCanvas* canvas, int xc, int yc, int w, int h, double angle1, double angle2); [in C]
 void cdfCanvasSector(cdCanvas* canvas, double xc, double yc, double w, double h, double angle1, double angle2); [in C]
 void wdCanvasSector(cdCanvas* canvas, double xc, double yc, double w, double h, double angle1, double angle2); (WC) [in C]
 
@@ -89,7 +89,8 @@ canvas:wSector(xc, yc, w, h, angle1, angle2: number) (WC) [in Lua]

plus two lines connecting to the center.

Sector Parameters

- +

void cdCanvasChord(cdCanvas* canvas, int xc, int yc, int w, int h, double angle1, double angle2); [in C]
 void cdfCanvasChord(cdCanvas* canvas, double xc, double yc, double w, double h, double angle1, double angle2); [in C]
 void wdCanvasChord(cdCanvas* canvas, double xc, double yc, double w, double h, double angle1, double angle2); (WC) [in C]
@@ -106,9 +107,9 @@ canvas:wChord(xc, yc, w, h, angle1, angle2: number) (WC) [in Lua]

plus a line connecting the arc start and end points.

Chord Parameters

- +

Attributes

int cdCanvasBackOpacity(cdCanvas* canvas, int opacity); [in C]
+int cdCanvasBackOpacity(cdCanvas* canvas, int opacity); [in C]
 
 canvas:BackOpacity(opacity: number) -> (old_opacity: number) [in Lua]
 
@@ -121,8 +122,8 @@ canvas:BackOpacity(opacity: number) -> (old_opacity: number) [in Lua]

current value. In some drivers is always opaque.

Back Opacity Attribute

- -

int cdCanvasFillMode(cdCanvas* canvas, int mode); [in C]
+
+int cdCanvasFillMode(cdCanvas* canvas, int mode); [in C]
 
 canvas:FillMode(mode: number) -> (old_mode: number) [in Lua]
 
@@ -132,7 +133,8 @@ canvas:FillMode(mode: number) -> (old_mode: number) [in Lua]

Fill Modes

int cdCanvasInteriorStyle(cdCanvas* canvas, int style); [in C]
+
+int cdCanvasInteriorStyle(cdCanvas* canvas, int style); [in C]
 
 canvas:InteriorStyle(style: number) -> (old_style: number) [in Lua]
 
@@ -150,7 +152,8 @@ canvas:InteriorStyle(style: number) -> (old_style: number) [in Lua]

equivalent cdRect and cdArc+Lines, and the polygons with style CD_FILL behave like CD_CLOSED_LINES.

int cdCanvasHatch(cdCanvas* canvas, int style); [in C]
+
+int cdCanvasHatch(cdCanvas* canvas, int style); [in C]
 
 canvas:Hatch(style: number) -> (old_style: number) [in Lua]
 
@@ -166,7 +169,8 @@ canvas:Hatch(style: number) -> (old_style: number) [in Lua]

Hatch Styles

void cdCanvasStipple(cdCanvas* canvas, int w, int h, const unsigned char *fgbg) [in C]
+
+void cdCanvasStipple(cdCanvas* canvas, int w, int h, const unsigned char *fgbg) [in C]
 
 canvas:Stipple(stipple: cdStipple) [in Lua]
 
@@ -181,7 +185,8 @@ canvas:Stipple(stipple: cdStipple) [in Lua]

drivers is always opaque. The foreground and background colors must be set before setting the style.

void wdCanvasStipple(cdCanvas* canvas, int w, int h, const unsigned char *fgbg, double w_mm, double h_mm); [in C]
+
+void wdCanvasStipple(cdCanvas* canvas, int w, int h, const unsigned char *fgbg, double w_mm, double h_mm); [in C]
 
 canvas:wStipple(stipple: cdStipple, w_mm, h_mm: number) [in Lua]
 
@@ -191,14 +196,16 @@ canvas:wStipple(stipple: cdStipple, w_mm, h_mm: number) [in Lua]

size that is closets to the size in millimeters. The use of this function may produce very large or very small stipples.

unsigned char* cdCanvasGetStipple(cdCanvas* canvas, int* w, int* h); [in C]
+
+unsigned char* cdCanvasGetStipple(cdCanvas* canvas, int* w, int* h); [in C]
 
 canvas:GetStipple() - > (stipple: cdStipple) [in Lua]
 
   Returns the current stipple and its dimensions. Returns NULL if no
   stipple was defined.
 
-void cdCanvasPattern(cdCanvas* canvas, int w, int h, const long int *color); [in C]
+
+void cdCanvasPattern(cdCanvas* canvas, int w, int h, const long int *color); [in C]
 
 canvas:Pattern(pattern: cdPattern) [in Lua]
 
@@ -209,7 +216,8 @@ canvas:Pattern(pattern: cdPattern) [in Lua]

does not need to be stored by the application, as it is internally replicated by the library.

void wdCanvasPattern(cdCanvas* canvas, int w, int h, const long int *color, double w_mm, double h_mm); [in C]
+
+void wdCanvasPattern(cdCanvas* canvas, int w, int h, const long int *color, double w_mm, double h_mm); [in C]
 
 canvas:wPattern(pattern: cdPattern, w_mm, h_mm: number) [in Lua]
 
@@ -219,32 +227,37 @@ canvas:wPattern(pattern: cdPattern, w_mm, h_mm: number) [in Lua]

size that is closets to the size in millimeters. The use of this function may produce very large or very small patterns.

long int* cdCanvasGetPattern(cdCanvas* canvas, int* w, int* h); [in C]
+
+long int* cdCanvasGetPattern(cdCanvas* canvas, int* w, int* h); [in C]
 
 canvas:GetPattern() - > (pattern: cdPattern) [in Lua]
 
   Returns the current pattern and its dimensions. Returns NULL if no
   pattern was defined.
-
+
 Extras in Lua
-cd.CreatePattern(width, height: number) -> (pattern: cdPattern)
+
+cd.CreatePattern(width, height: number) -> (pattern: cdPattern)
 
   Creates a pattern in Lua.
 
-cd.KillPattern(pattern: cdPattern)
+
+cd.KillPattern(pattern: cdPattern)
 
   Destroys the created pattern and liberates allocated memory. If this 
   function is not called in Lua, the garbage collector will call it.
 
-cd.CreateStipple(width, height: number) -> (stipple: cdStipple)
+
+cd.CreateStipple(width, height: number) -> (stipple: cdStipple)
 
   Creates a stipple in Lua.
 
-cd.KillStipple(stipple: cdStipple)
+
+cd.KillStipple(stipple: cdStipple)
 
   Destroys the created stipple and liberates allocated memory. If this 
   function is not called in Lua, the garbage collector will call it.
-
+
 Data Access
 
   Data access in Lua is done directly using the operator "[y*width 
diff --git a/html/en/home.html b/html/en/home.html
index 07f79ab..8232b61 100644
--- a/html/en/home.html
+++ b/html/en/home.html
@@ -5,6 +5,11 @@
 
 Home
 
+
 
 
 
@@ -20,7 +25,7 @@
   either a window or a more abstract surface, such as Image, Clipboard, Metafile, PS, and so on.

   This work was developed at Tecgraf/PUC-Rio by means of the partnership with PETROBRAS/CENPES.
  
-    Project Management:
+    Project Management:
 
     Antonio Escaño Scuri
 
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