void CanvasRenderingContext2D::applyStrokePattern()
{
GraphicsContext* c = drawingContext();
if (!c)
return;
#if PLATFORM(CG)
// Check for case where the pattern is already set.
CGAffineTransform m = CGContextGetCTM(c->platformContext());
if (state().m_appliedStrokePattern
&& CGAffineTransformEqualToTransform(m, state().m_strokeStylePatternTransform))
return;
CanvasPattern* pattern = state().m_strokeStyle->pattern();
if (!pattern)
return;
CGPatternRef platformPattern = pattern->createPattern(m);
if (!platformPattern)
return;
CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(0);
CGContextSetStrokeColorSpace(c->platformContext(), patternSpace);
CGColorSpaceRelease(patternSpace);
const CGFloat patternAlpha = 1;
CGContextSetStrokePattern(c->platformContext(), platformPattern, &patternAlpha);
CGPatternRelease(platformPattern);
state().m_strokeStylePatternTransform = m;
#elif PLATFORM(QT)
fprintf(stderr, "FIXME: CanvasRenderingContext2D::applyStrokePattern\n");
#endif
state().m_appliedStrokePattern = true;
}
void CanvasRenderingContext2D::applyStrokePattern()
{
GraphicsContext* c = drawingContext();
if (!c)
return;
#if PLATFORM(CG)
// Check for case where the pattern is already set.
CGAffineTransform m = CGContextGetCTM(c->platformContext());
if (state().m_appliedStrokePattern
&& CGAffineTransformEqualToTransform(m, state().m_strokeStylePatternTransform))
return;
CanvasPattern* pattern = state().m_strokeStyle->pattern();
if (!pattern)
return;
CGPatternRef platformPattern = pattern->createPattern(m);
if (!platformPattern)
return;
CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(0);
CGContextSetStrokeColorSpace(c->platformContext(), patternSpace);
CGColorSpaceRelease(patternSpace);
const CGFloat patternAlpha = 1;
CGContextSetStrokePattern(c->platformContext(), platformPattern, &patternAlpha);
CGPatternRelease(platformPattern);
state().m_strokeStylePatternTransform = m;
#elif PLATFORM(QT)
notImplemented();
#elif PLATFORM(CAIRO) && !PLATFORM(BAL)
CanvasPattern* pattern = state().m_strokeStyle->pattern();
if (!pattern)
return;
cairo_t* cr = c->platformContext();
cairo_matrix_t m;
cairo_get_matrix(cr, &m);
cairo_pattern_t* platformPattern = pattern->createPattern(m);
if (!platformPattern)
return;
cairo_set_source(cr, platformPattern);
cairo_pattern_destroy(platformPattern);
#elif PLATFORM(BAL)
notImplemented();
#endif
state().m_appliedStrokePattern = true;
}
void GraphicsContext::applyStrokePattern()
{
CGContextRef cgContext = platformContext();
RetainPtr<CGPatternRef> platformPattern(AdoptCF, m_state.strokePattern->createPlatformPattern(getCTM()));
if (!platformPattern)
return;
RetainPtr<CGColorSpaceRef> patternSpace(AdoptCF, CGColorSpaceCreatePattern(0));
CGContextSetStrokeColorSpace(cgContext, patternSpace.get());
const CGFloat patternAlpha = 1;
CGContextSetStrokePattern(cgContext, platformPattern.get(), &patternAlpha);
}
void CGContextSetStrokePattern_wrap(CGContext *con, CGPatternRef p, float c1, float c2, float c3, float alpha) {
float color[4] = {c1, c2, c3, alpha};
CGContextSetStrokePattern(con, p, color);
}
bool SVGPaintServerPattern::setup(GraphicsContext*& context, const RenderObject* object, SVGPaintTargetType type, bool isPaintingText) const
{
CGContextRef contextRef = context->platformContext();
// Build pattern tile, passing destination object bounding box
FloatRect targetRect;
if (isPaintingText) {
IntRect textBoundary = const_cast<RenderObject*>(object)->absoluteBoundingBoxRect();
targetRect = object->absoluteTransform().inverse().mapRect(textBoundary);
} else
targetRect = CGContextGetPathBoundingBox(contextRef);
m_ownerElement->buildPattern(targetRect);
if (!tile())
return false;
CGSize cellSize = CGSize(tile()->size());
CGFloat alpha = 1; // canvasStyle->opacity(); //which?
context->save();
// Repesct local pattern transformations
CGContextConcatCTM(contextRef, patternTransform());
// Pattern space seems to start in the lower-left, so we flip the Y here.
CGSize phase = CGSizeMake(patternBoundaries().x(), -patternBoundaries().y());
CGContextSetPatternPhase(contextRef, phase);
RenderStyle* style = object->style();
CGContextSetAlpha(contextRef, style->opacity()); // or do I set the alpha above?
ASSERT(!m_pattern);
CGPatternCallbacks callbacks = {0, patternCallback, NULL};
m_pattern = CGPatternCreate(tile(),
CGRectMake(0, 0, cellSize.width, cellSize.height),
CGContextGetCTM(contextRef),
patternBoundaries().width(),
patternBoundaries().height(),
kCGPatternTilingConstantSpacing, // FIXME: should ask CG guys.
true, // has color
&callbacks);
if (!m_patternSpace)
m_patternSpace = CGColorSpaceCreatePattern(0);
if ((type & ApplyToFillTargetType) && style->svgStyle()->hasFill()) {
CGContextSetFillColorSpace(contextRef, m_patternSpace);
CGContextSetFillPattern(contextRef, m_pattern, &alpha);
if (isPaintingText)
context->setTextDrawingMode(cTextFill);
}
if ((type & ApplyToStrokeTargetType) && style->svgStyle()->hasStroke()) {
CGContextSetStrokeColorSpace(contextRef, m_patternSpace);
CGContextSetStrokePattern(contextRef, m_pattern, &alpha);
applyStrokeStyleToContext(contextRef, style, object);
if (isPaintingText)
context->setTextDrawingMode(cTextStroke);
}
return true;
}
