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Clip to canvas boundaries.

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tor%cs.brown.edu 2004-11-25 03:42:55 +00:00
parent 72310ad8a4
commit 8786143978
1 changed files with 9 additions and 0 deletions
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9
layout/svg/renderer/src/cairo/nsSVGCairoCanvas.cpp
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@ -124,6 +124,15 @@ nsSVGCairoCanvas::Init(nsIRenderingContext *ctx,
GDK_WINDOW_XDISPLAY(drawable),
GDK_WINDOW_XWINDOW(drawable));
// clip to dirtyRect
cairo_new_path(mCR);
cairo_move_to(mCR, dirtyRect.x, dirtyRect.y);
cairo_line_to(mCR, dirtyRect.x + dirtyRect.width, dirtyRect.y);
cairo_line_to(mCR, dirtyRect.x + dirtyRect.width, dirtyRect.y + dirtyRect.height);
cairo_line_to(mCR, dirtyRect.x, dirtyRect.y + dirtyRect.height);
cairo_close_path(mCR);
cairo_clip(mCR);
// get the translation set on the rendering context. It will be in
// displayunits (i.e. pixels*scale), *not* pixels:
nsTransform2D* xform;