"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "Pinta.Core/Extensions/CairoExtensions.cs" between
pinta-1.7.tar.gz and pinta-1.7.1.tar.gz

About: Pinta is a powerful image drawing and editing program (modeled after Paint.NET).

CairoExtensions.cs  (pinta-1.7)	:	CairoExtensions.cs  (pinta-1.7.1)
skipping to change at line 186		skipping to change at line 186
public static Rectangle DrawPolygonal (this Context g, PointD[] p oints, Color color)		public static Rectangle DrawPolygonal (this Context g, PointD[] p oints, Color color)
{		{
g.Save ();		g.Save ();
g.MoveTo (points[0]);		g.MoveTo (points[0]);
foreach (var point in points) {		foreach (var point in points) {
g.LineTo (point.X, point.Y);		g.LineTo (point.X, point.Y);
}		}
g.SetSourceColor (color);		g.SetSourceColor (color);
		g.LineCap = LineCap.Square;
Rectangle dirty = g.FixedStrokeExtents ();		Rectangle dirty = g.FixedStrokeExtents ();
g.Stroke ();		g.Stroke ();
g.Restore ();		g.Restore ();
return dirty;		return dirty;
}		}
public static Rectangle FillPolygonal (this Context g, PointD[] p oints, Color color)		public static Rectangle FillPolygonal (this Context g, PointD[] p oints, Color color)
skipping to change at line 945		skipping to change at line 946
public static Gdk.Size ToSize (this Cairo.Point point)		public static Gdk.Size ToSize (this Cairo.Point point)
{		{
return new Gdk.Size (point.X, point.Y);		return new Gdk.Size (point.X, point.Y);
}		}
public static ImageSurface Clone (this ImageSurface surf)		public static ImageSurface Clone (this ImageSurface surf)
{		{
if (PintaCore.Workspace.HasOpenDocuments)		if (PintaCore.Workspace.HasOpenDocuments)
PintaCore.Workspace.ActiveDocument.SignalSurfaceC loned ();		PintaCore.Workspace.ActiveDocument.SignalSurfaceC loned ();
ImageSurface newsurf = new ImageSurface (surf.Format, sur f.Width, surf.Height);		ImageSurface newsurf = CairoExtensions.CreateImageSurface (surf.Format, surf.Width, surf.Height);
using (Context g = new Context (newsurf)) {		using (Context g = new Context (newsurf)) {
g.SetSource (surf);		g.SetSource (surf);
g.Paint ();		g.Paint ();
}		}
return newsurf;		return newsurf;
}		}
public static unsafe bool ContainsTranslucent (this ImageSurface surf)		public static unsafe bool ContainsTranslucent (this ImageSurface surf)
{		{
bool ret = false;		bool ret = false;
ColorBgra* ptr = (ColorBgra*)surf.DataPtr;		ColorBgra* ptr = (ColorBgra*)surf.DataPtr;
int width = surf.Width;		int width = surf.Width;
for (int x = 0; x < width; x++)		for (int x = 0; x < width; x++)
for (int y = 0; y < surf.Height; y++) {		for (int y = 0; y < surf.Height; y++) {
int a = (int)surf.GetColorBgraUnchecked ( ptr, width, x, y).A;		int a = (int)surf.GetColorBgraUnchecked ( ptr, width, x, y).A;
if (a > 0 && a < 255) {		if (a > 0 && a < 255) {
Console.WriteLine (surf.GetColorB graUnchecked (ptr, width, x, y).ToString ());		Console.WriteLine (surf.GetColorB graUnchecked (ptr, width, x, y).ToString ());
ret = true;		ret = true;
}		}
skipping to change at line 1763		skipping to change at line 1765
break;		break;
case BlendMode.Screen:		case BlendMode.Screen:
g.Operator = (Operator)ExtendedOperators.Screen;		g.Operator = (Operator)ExtendedOperators.Screen;
break;		break;
case BlendMode.Xor:		case BlendMode.Xor:
g.Operator = Operator.Xor;		g.Operator = Operator.Xor;
break;		break;
}		}
}		}
		/*
		* CreateImageSurface
		* Utility function used to create new ImageSurface
		* The internal creation can fail if the image is too large / not enough
		memory
		* This condition is detected and an exception is thrown at the applicat
		ion level
		*/
		public static ImageSurface CreateImageSurface(Cairo.Format format, int w
		idth, int height)
		{
		ImageSurface surf = new Cairo.ImageSurface (format, width, height);
		if (surf == null || surf.Status == Cairo.Status.NoMemory)
		{
		throw new OutOfMemoryException ("Unable to allocate memory for Im
		age");
		}
		return surf;
		}
public enum ExtendedOperators		public enum ExtendedOperators
{		{
Clear = 0,		Clear = 0,
Source = 1,		Source = 1,
SourceOver = 2,		SourceOver = 2,
SourceIn = 3,		SourceIn = 3,
SourceOut = 4,		SourceOut = 4,
SourceAtop = 5,		SourceAtop = 5,
End of changes. 4 change blocks.
1 lines changed or deleted		24 lines changed or added

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