void Gradient::paint(GraphicsContext* context)
{
#ifdef BUILDING_ON_TIGER
CGContextDrawShading(context->platformContext(), platformGradient());
#else
CGGradientDrawingOptions extendOptions = kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
if (m_radial)
CGContextDrawRadialGradient(context->platformContext(), platformGradient(), m_p0, m_r0, m_p1, m_r1, extendOptions);
else
CGContextDrawLinearGradient(context->platformContext(), platformGradient(), m_p0, m_p1, extendOptions);
#endif
}
void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
{
platformGradient();
context->save();
context->setFillGradient(this);
context->fillRect(rect);
context->restore();
}
void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
{
cairo_t* cr = context->platformContext()->cr();
context->save();
cairo_set_source(cr, platformGradient());
cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
cairo_fill(cr);
context->restore();
}
void Gradient::paint(CGContextRef context)
{
CGGradientDrawingOptions extendOptions = kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation;
if (!m_radial) {
CGContextDrawLinearGradient(context, platformGradient(), m_p0, m_p1, extendOptions);
return;
}
bool needScaling = aspectRatio() != 1;
if (needScaling) {
CGContextSaveGState(context);
// Scale from the center of the gradient. We only ever scale non-deprecated gradients,
// for which m_p0 == m_p1.
ASSERT(m_p0 == m_p1);
CGContextTranslateCTM(context, m_p0.x(), m_p0.y());
CGContextScaleCTM(context, 1, 1 / aspectRatio());
CGContextTranslateCTM(context, -m_p0.x(), -m_p0.y());
}
CGContextDrawRadialGradient(context, platformGradient(), m_p0, m_r0, m_p1, m_r1, extendOptions);
if (needScaling)
CGContextRestoreGState(context);
}
cairo_pattern_t* Gradient::platformGradient()
{
return platformGradient(1);
}
void Gradient::setPlatformGradientSpaceTransform(const AffineTransform& gradientSpaceTransformation)
{
platformGradient()->setLocalMatrix(reinterpret_cast<const double*>(&gradientSpaceTransformation));
}
void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
{
platformGradient()->fill(context->platformContext(), rect);
}
void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
{
context->platformContext()->fillRect(rect, *platformGradient());
}