bool CanvasStyle::isEquivalentRGBA(float r, float g, float b, float a) const
{
if (m_type != RGBA)
return false;
return m_rgba == makeRGBA32FromFloats(r, g, b, a);
}
void CoordinatedGraphicsScene::paintToCurrentGLContext(const TransformationMatrix& matrix, float opacity, const FloatRect& clipRect, TextureMapper::PaintFlags PaintFlags)
{
if (!m_textureMapper) {
m_textureMapper = TextureMapper::create(TextureMapper::OpenGLMode);
static_cast<TextureMapperGL*>(m_textureMapper.get())->setEnableEdgeDistanceAntialiasing(true);
}
ASSERT(m_textureMapper->accelerationMode() == TextureMapper::OpenGLMode);
syncRemoteContent();
adjustPositionForFixedLayers();
GraphicsLayer* currentRootLayer = rootLayer();
if (!currentRootLayer)
return;
TextureMapperLayer* layer = toTextureMapperLayer(currentRootLayer);
if (!layer)
return;
layer->setTextureMapper(m_textureMapper.get());
if (!m_animationsLocked)
layer->applyAnimationsRecursively();
m_textureMapper->beginPainting(PaintFlags);
m_textureMapper->beginClip(TransformationMatrix(), clipRect);
if (m_setDrawsBackground) {
RGBA32 rgba = makeRGBA32FromFloats(m_backgroundColor.red(),
m_backgroundColor.green(), m_backgroundColor.blue(),
m_backgroundColor.alpha() * opacity);
m_textureMapper->drawSolidColor(clipRect, TransformationMatrix(), Color(rgba));
}
if (currentRootLayer->opacity() != opacity || currentRootLayer->transform() != matrix) {
currentRootLayer->setOpacity(opacity);
currentRootLayer->setTransform(matrix);
currentRootLayer->flushCompositingStateForThisLayerOnly();
}
layer->paint();
m_fpsCounter.updateFPSAndDisplay(m_textureMapper.get(), clipRect.location(), matrix);
m_textureMapper->endClip();
m_textureMapper->endPainting();
if (layer->descendantsOrSelfHaveRunningAnimations())
dispatchOnMainThread(bind(&CoordinatedGraphicsScene::updateViewport, this));
#if ENABLE(REQUEST_ANIMATION_FRAME)
if (m_animationFrameRequested) {
m_animationFrameRequested = false;
dispatchOnMainThread(bind(&CoordinatedGraphicsScene::animationFrameReady, this));
}
#endif
}
void CoordinatedGraphicsScene::paintToCurrentGLContext(const TransformationMatrix& matrix, float opacity, const FloatRect& clipRect, const Color& backgroundColor, bool drawsBackground, const FloatPoint& contentPosition, TextureMapper::PaintFlags PaintFlags)
{
if (!m_textureMapper) {
m_textureMapper = TextureMapper::create();
static_cast<TextureMapperGL*>(m_textureMapper.get())->setEnableEdgeDistanceAntialiasing(true);
}
syncRemoteContent();
adjustPositionForFixedLayers(contentPosition);
TextureMapperLayer* currentRootLayer = rootLayer();
if (!currentRootLayer)
return;
#if USE(COORDINATED_GRAPHICS_THREADED)
for (auto& proxy : m_platformLayerProxies.values())
proxy->swapBuffer();
#endif
currentRootLayer->setTextureMapper(m_textureMapper.get());
currentRootLayer->applyAnimationsRecursively();
m_textureMapper->beginPainting(PaintFlags);
m_textureMapper->beginClip(TransformationMatrix(), clipRect);
if (drawsBackground) {
RGBA32 rgba = makeRGBA32FromFloats(backgroundColor.red(),
backgroundColor.green(), backgroundColor.blue(),
backgroundColor.alpha() * opacity);
m_textureMapper->drawSolidColor(clipRect, TransformationMatrix(), Color(rgba));
} else {
GraphicsContext3D* context = static_cast<TextureMapperGL*>(m_textureMapper.get())->graphicsContext3D();
context->clearColor(m_viewBackgroundColor.red() / 255.0f, m_viewBackgroundColor.green() / 255.0f, m_viewBackgroundColor.blue() / 255.0f, m_viewBackgroundColor.alpha() / 255.0f);
context->clear(GraphicsContext3D::COLOR_BUFFER_BIT);
}
if (currentRootLayer->opacity() != opacity || currentRootLayer->transform() != matrix) {
currentRootLayer->setOpacity(opacity);
currentRootLayer->setTransform(matrix);
}
currentRootLayer->paint();
m_fpsCounter.updateFPSAndDisplay(*m_textureMapper, clipRect.location(), matrix);
m_textureMapper->endClip();
m_textureMapper->endPainting();
if (currentRootLayer->descendantsOrSelfHaveRunningAnimations()) {
RefPtr<CoordinatedGraphicsScene> protector(this);
dispatchOnClientRunLoop([=] {
protector->updateViewport();
});
}
}
static bool makeRGBA32FromARGBCFArray(CFArrayRef colorArray, RGBA32& color)
{
if (CFArrayGetCount(colorArray) < 4)
return false;
float componentArray[4];
for (int i = 0; i < 4; i++) {
CFNumberRef value = static_cast<CFNumberRef>(CFArrayGetValueAtIndex(colorArray, i));
if (CFGetTypeID(value) != CFNumberGetTypeID())
return false;
float component;
CFNumberGetValue(value, kCFNumberFloatType, &component);
componentArray[i] = component;
}
color = makeRGBA32FromFloats(componentArray[1], componentArray[2], componentArray[3], componentArray[0]);
return true;
}
CanvasStyle::CanvasStyle(float grayLevel, float alpha)
: m_type(RGBA)
, m_rgba(makeRGBA32FromFloats(grayLevel, grayLevel, grayLevel, alpha))
{
}
CanvasStyle::CanvasStyle(float r, float g, float b, float a)
: m_type(RGBA)
, m_rgba(makeRGBA32FromFloats(r, g, b, a))
{
}
