void
gfxQuartzNativeDrawing::EndNativeDrawing()
{
NS_ASSERTION(mCGContext, "EndNativeDrawing called without BeginNativeDrawing");
MOZ_ASSERT(!mContext->IsCairo(), "BeginNativeDrawing succeeded with cairo context?");
mBorrowedContext.Finish();
if (mDrawTarget) {
DrawTarget *dest = mContext->GetDrawTarget();
RefPtr<SourceSurface> source = mDrawTarget->Snapshot();
IntSize backingSize(NSToIntFloor(mNativeRect.width * mBackingScale),
NSToIntFloor(mNativeRect.height * mBackingScale));
Matrix oldTransform = dest->GetTransform();
Matrix newTransform = oldTransform;
newTransform.Translate(mNativeRect.x, mNativeRect.y);
newTransform.Scale(1.0f / mBackingScale, 1.0f / mBackingScale);
dest->SetTransform(newTransform);
dest->DrawSurface(source,
gfx::Rect(0, 0, backingSize.width, backingSize.height),
gfx::Rect(0, 0, backingSize.width, backingSize.height));
dest->SetTransform(oldTransform);
}
}
void
DrawBlur(gfxContext* aDestinationCtx,
SourceSurface* aBlur,
const IntPoint& aTopLeft,
const Rect* aDirtyRect)
{
DrawTarget *dest = aDestinationCtx->GetDrawTarget();
nsRefPtr<gfxPattern> thebesPat = aDestinationCtx->GetPattern();
Pattern* pat = thebesPat->GetPattern(dest, nullptr);
Matrix oldTransform = dest->GetTransform();
Matrix newTransform = oldTransform;
newTransform.Translate(aTopLeft.x, aTopLeft.y);
// Avoid a semi-expensive clip operation if we can, otherwise
// clip to the dirty rect
if (aDirtyRect) {
dest->PushClipRect(*aDirtyRect);
}
dest->SetTransform(newTransform);
dest->MaskSurface(*pat, aBlur, Point(0, 0));
dest->SetTransform(oldTransform);
if (aDirtyRect) {
dest->PopClip();
}
}
void
ClientLayerManager::MakeSnapshotIfRequired()
{
if (!mShadowTarget) {
return;
}
if (mWidget) {
if (CompositorBridgeChild* remoteRenderer = GetRemoteRenderer()) {
// The compositor doesn't draw to a different sized surface
// when there's a rotation. Instead we rotate the result
// when drawing into dt
LayoutDeviceIntRect outerBounds;
mWidget->GetBounds(outerBounds);
IntRect bounds = ToOutsideIntRect(mShadowTarget->GetClipExtents());
if (mTargetRotation) {
bounds =
RotateRect(bounds, outerBounds.ToUnknownRect(), mTargetRotation);
}
SurfaceDescriptor inSnapshot;
if (!bounds.IsEmpty() &&
mForwarder->AllocSurfaceDescriptor(bounds.Size(),
gfxContentType::COLOR_ALPHA,
&inSnapshot)) {
// Make a copy of |inSnapshot| because the call to send it over IPC
// will call forget() on the Shmem inside, and zero it out.
SurfaceDescriptor outSnapshot = inSnapshot;
if (remoteRenderer->SendMakeSnapshot(inSnapshot, bounds)) {
RefPtr<DataSourceSurface> surf = GetSurfaceForDescriptor(outSnapshot);
DrawTarget* dt = mShadowTarget->GetDrawTarget();
Rect dstRect(bounds.x, bounds.y, bounds.width, bounds.height);
Rect srcRect(0, 0, bounds.width, bounds.height);
gfx::Matrix rotate =
ComputeTransformForUnRotation(outerBounds.ToUnknownRect(),
mTargetRotation);
gfx::Matrix oldMatrix = dt->GetTransform();
dt->SetTransform(rotate * oldMatrix);
dt->DrawSurface(surf, dstRect, srcRect,
DrawSurfaceOptions(),
DrawOptions(1.0f, CompositionOp::OP_OVER));
dt->SetTransform(oldMatrix);
}
mForwarder->DestroySurfaceDescriptor(&outSnapshot);
}
}
}
mShadowTarget = nullptr;
}
virtual void ProcessReadback(gfx::DataSourceSurface *aSourceSurface)
{
SourceRotatedBuffer rotBuffer(aSourceSurface, nullptr, mBufferRect, mBufferRotation);
for (uint32_t i = 0; i < mReadbackUpdates.Length(); ++i) {
ReadbackProcessor::Update& update = mReadbackUpdates[i];
nsIntPoint offset = update.mLayer->GetBackgroundLayerOffset();
ReadbackSink* sink = update.mLayer->GetSink();
if (!sink) {
continue;
}
if (!aSourceSurface) {
sink->SetUnknown(update.mSequenceCounter);
continue;
}
nsRefPtr<gfxContext> ctx =
sink->BeginUpdate(update.mUpdateRect + offset, update.mSequenceCounter);
if (!ctx) {
continue;
}
DrawTarget* dt = ctx->GetDrawTarget();
dt->SetTransform(Matrix::Translation(offset.x, offset.y));
rotBuffer.DrawBufferWithRotation(dt, RotatedBuffer::BUFFER_BLACK);
update.mLayer->GetSink()->EndUpdate(ctx, update.mUpdateRect + offset);
}
}
void
gfxAlphaBoxBlur::Paint(gfxContext* aDestinationCtx)
{
if (!mContext)
return;
mBlur->Blur(mData);
mozilla::gfx::Rect* dirtyRect = mBlur->GetDirtyRect();
DrawTarget *dest = aDestinationCtx->GetDrawTarget();
if (!dest) {
NS_ERROR("Blurring not supported for Thebes contexts!");
return;
}
mozilla::RefPtr<SourceSurface> mask
= dest->CreateSourceSurfaceFromData(mData,
mBlur->GetSize(),
mBlur->GetStride(),
FORMAT_A8);
if (!mask) {
NS_ERROR("Failed to create mask!");
return;
}
nsRefPtr<gfxPattern> thebesPat = aDestinationCtx->GetPattern();
Pattern* pat = thebesPat->GetPattern(dest, nullptr);
Matrix oldTransform = dest->GetTransform();
Matrix newTransform = oldTransform;
newTransform.Translate(mBlur->GetRect().x, mBlur->GetRect().y);
// Avoid a semi-expensive clip operation if we can, otherwise
// clip to the dirty rect
if (dirtyRect) {
dest->PushClipRect(*dirtyRect);
}
dest->SetTransform(newTransform);
dest->MaskSurface(*pat, mask, Point(0, 0));
dest->SetTransform(oldTransform);
if (dirtyRect) {
dest->PopClip();
}
}
void
gfxAlphaBoxBlur::Paint(gfxContext* aDestinationCtx)
{
if (!mAccelerated && !mData) {
return;
}
DrawTarget *dest = aDestinationCtx->GetDrawTarget();
if (!dest) {
NS_WARNING("Blurring not supported for Thebes contexts!");
return;
}
RefPtr<gfxPattern> thebesPat = aDestinationCtx->GetPattern();
Pattern* pat = thebesPat->GetPattern(dest, nullptr);
if (!pat) {
NS_WARNING("Failed to get pattern for blur!");
return;
}
IntPoint topLeft;
RefPtr<SourceSurface> mask = DoBlur(nullptr, &topLeft);
if (!mask) {
NS_ERROR("Failed to create mask!");
return;
}
// Avoid a semi-expensive clip operation if we can, otherwise
// clip to the dirty rect
Rect* dirtyRect = mBlur.GetDirtyRect();
if (dirtyRect) {
dest->PushClipRect(*dirtyRect);
}
Matrix oldTransform = dest->GetTransform();
Matrix newTransform = oldTransform;
newTransform.PreTranslate(topLeft);
dest->SetTransform(newTransform);
dest->MaskSurface(*pat, mask, Point(0, 0));
dest->SetTransform(oldTransform);
if (dirtyRect) {
dest->PopClip();
}
}
void
ClientLayerManager::MakeSnapshotIfRequired()
{
if (!mShadowTarget) {
return;
}
if (mWidget) {
if (CompositorChild* remoteRenderer = GetRemoteRenderer()) {
// The compositor doesn't draw to a different sized surface
// when there's a rotation. Instead we rotate the result
// when drawing into dt
nsIntRect outerBounds;
mWidget->GetBounds(outerBounds);
nsIntRect bounds = ToOutsideIntRect(mShadowTarget->GetClipExtents());
if (mTargetRotation) {
bounds = RotateRect(bounds, outerBounds, mTargetRotation);
}
SurfaceDescriptor inSnapshot;
if (!bounds.IsEmpty() &&
mForwarder->AllocSurfaceDescriptor(bounds.Size().ToIntSize(),
gfxContentType::COLOR_ALPHA,
&inSnapshot) &&
remoteRenderer->SendMakeSnapshot(inSnapshot, bounds)) {
RefPtr<DataSourceSurface> surf = GetSurfaceForDescriptor(inSnapshot);
DrawTarget* dt = mShadowTarget->GetDrawTarget();
Rect dstRect(bounds.x, bounds.y, bounds.width, bounds.height);
Rect srcRect(0, 0, bounds.width, bounds.height);
gfx::Matrix rotate = ComputeTransformForUnRotation(outerBounds, mTargetRotation);
gfx::Matrix oldMatrix = dt->GetTransform();
dt->SetTransform(oldMatrix * rotate);
dt->DrawSurface(surf, dstRect, srcRect,
DrawSurfaceOptions(),
DrawOptions(1.0f, CompositionOp::OP_OVER));
dt->SetTransform(oldMatrix);
}
mForwarder->DestroySharedSurface(&inSnapshot);
}
}
mShadowTarget = nullptr;
}
DrawTarget*
ContentClientIncremental::BorrowDrawTargetForPainting(const PaintState& aPaintState,
RotatedContentBuffer::DrawIterator* aIter)
{
if (aPaintState.mMode == SurfaceMode::SURFACE_NONE) {
return nullptr;
}
if (aIter) {
if (aIter->mCount++ > 0) {
return nullptr;
}
aIter->mDrawRegion = aPaintState.mRegionToDraw;
}
DrawTarget* result = nullptr;
nsIntRect drawBounds = aPaintState.mRegionToDraw.GetBounds();
MOZ_ASSERT(!mLoanedDrawTarget);
// BeginUpdate is allowed to modify the given region,
// if it wants more to be repainted than we request.
if (aPaintState.mMode == SurfaceMode::SURFACE_COMPONENT_ALPHA) {
nsIntRegion drawRegionCopy = aPaintState.mRegionToDraw;
RefPtr<DrawTarget> onBlack = GetUpdateSurface(BUFFER_BLACK, drawRegionCopy);
RefPtr<DrawTarget> onWhite = GetUpdateSurface(BUFFER_WHITE, aPaintState.mRegionToDraw);
if (onBlack && onWhite) {
NS_ASSERTION(aPaintState.mRegionToDraw == drawRegionCopy,
"BeginUpdate should always modify the draw region in the same way!");
FillSurface(onBlack, aPaintState.mRegionToDraw, nsIntPoint(drawBounds.x, drawBounds.y), gfxRGBA(0.0, 0.0, 0.0, 1.0));
FillSurface(onWhite, aPaintState.mRegionToDraw, nsIntPoint(drawBounds.x, drawBounds.y), gfxRGBA(1.0, 1.0, 1.0, 1.0));
mLoanedDrawTarget = Factory::CreateDualDrawTarget(onBlack, onWhite);
} else {
mLoanedDrawTarget = nullptr;
}
} else {
mLoanedDrawTarget = GetUpdateSurface(BUFFER_BLACK, aPaintState.mRegionToDraw);
}
if (!mLoanedDrawTarget) {
NS_WARNING("unable to get context for update");
return nullptr;
}
result = mLoanedDrawTarget;
mLoanedTransform = mLoanedDrawTarget->GetTransform();
mLoanedTransform.Translate(-drawBounds.x, -drawBounds.y);
result->SetTransform(mLoanedTransform);
mLoanedTransform.Translate(drawBounds.x, drawBounds.y);
if (mContentType == gfxContentType::COLOR_ALPHA) {
gfxUtils::ClipToRegion(result, aPaintState.mRegionToDraw);
nsIntRect bounds = aPaintState.mRegionToDraw.GetBounds();
result->ClearRect(Rect(bounds.x, bounds.y, bounds.width, bounds.height));
}
return result;
}
void
gfxQuartzNativeDrawing::EndNativeDrawing()
{
NS_ASSERTION(mCGContext, "EndNativeDrawing called without BeginNativeDrawing");
if (mBorrowedContext.cg) {
MOZ_ASSERT(!mContext->IsCairo());
mBorrowedContext.Finish();
if (mDrawTarget) {
DrawTarget *dest = mContext->GetDrawTarget();
RefPtr<SourceSurface> source = mDrawTarget->Snapshot();
IntSize backingSize(NSToIntFloor(mNativeRect.width * mBackingScale),
NSToIntFloor(mNativeRect.height * mBackingScale));
Matrix oldTransform = dest->GetTransform();
Matrix newTransform = oldTransform;
newTransform.Translate(mNativeRect.x, mNativeRect.y);
newTransform.Scale(1.0f / mBackingScale, 1.0f / mBackingScale);
dest->SetTransform(newTransform);
dest->DrawSurface(source,
gfx::Rect(0, 0, backingSize.width, backingSize.height),
gfx::Rect(0, 0, backingSize.width, backingSize.height));
dest->SetTransform(oldTransform);
}
return;
}
cairo_quartz_finish_cg_context_with_clip(mSurfaceContext->GetCairo());
mQuartzSurface->MarkDirty();
if (mSurfaceContext != mContext) {
gfxContextMatrixAutoSaveRestore save(mContext);
// Copy back to destination
mContext->Translate(mNativeRect.TopLeft());
mContext->Scale(1.0f / mBackingScale, 1.0f / mBackingScale);
mContext->DrawSurface(mQuartzSurface, mQuartzSurface->GetSize());
}
}
void
gfxWindowsNativeDrawing::PaintToContext()
{
if (mRenderState == RENDER_STATE_NATIVE_DRAWING_DONE) {
// nothing to do, it already went to the context
mRenderState = RENDER_STATE_DONE;
} else if (mRenderState == RENDER_STATE_ALPHA_RECOVERY_WHITE_DONE) {
RefPtr<gfxImageSurface> black = mBlackSurface->GetAsImageSurface();
RefPtr<gfxImageSurface> white = mWhiteSurface->GetAsImageSurface();
if (!gfxAlphaRecovery::RecoverAlpha(black, white)) {
NS_ERROR("Alpha recovery failure");
return;
}
RefPtr<DataSourceSurface> source =
Factory::CreateWrappingDataSourceSurface(black->Data(),
black->Stride(),
black->GetSize(),
SurfaceFormat::B8G8R8A8);
{
DrawTarget* dt = mContext->GetDrawTarget();
AutoRestoreTransform autoRestoreTransform(dt);
Matrix newTransform = dt->GetTransform();
newTransform.PreTranslate(ToPoint(mNativeRect.TopLeft()));
dt->SetTransform(newTransform);
Rect rect(Point(0.0, 0.0), ToSize(mNativeRect.Size()));
Matrix m = Matrix::Scaling(1.0 / mScale.width, 1.0 / mScale.height);
Filter filter = (mNativeDrawFlags & DO_NEAREST_NEIGHBOR_FILTERING)
? Filter::LINEAR
: Filter::GOOD;
SurfacePattern pat(source, ExtendMode::CLAMP, m, filter);
dt->FillRect(rect, pat);
}
mRenderState = RENDER_STATE_DONE;
} else {
NS_ERROR("Invalid RenderState in gfxWindowsNativeDrawing::PaintToContext");
}
}
void
nsTableCellFrame::DecorateForSelection(nsRenderingContext& aRenderingContext,
nsPoint aPt)
{
NS_ASSERTION(IsSelected(), "Should only be called for selected cells");
int16_t displaySelection;
nsPresContext* presContext = PresContext();
displaySelection = DisplaySelection(presContext);
if (displaySelection) {
RefPtr<nsFrameSelection> frameSelection =
presContext->PresShell()->FrameSelection();
if (frameSelection->GetTableCellSelection()) {
nscolor bordercolor;
if (displaySelection == nsISelectionController::SELECTION_DISABLED) {
bordercolor = NS_RGB(176,176,176);// disabled color
}
else {
bordercolor =
LookAndFeel::GetColor(LookAndFeel::eColorID_TextSelectBackground);
}
nscoord threePx = nsPresContext::CSSPixelsToAppUnits(3);
if ((mRect.width > threePx) && (mRect.height > threePx))
{
//compare bordercolor to ((nsStyleColor *)myColor)->mBackgroundColor)
bordercolor = EnsureDifferentColors(bordercolor,
StyleBackground()->mBackgroundColor);
int32_t appUnitsPerDevPixel = PresContext()->AppUnitsPerDevPixel();
Point devPixelOffset = NSPointToPoint(aPt, appUnitsPerDevPixel);
DrawTarget* drawTarget = aRenderingContext.GetDrawTarget();
AutoRestoreTransform autoRestoreTransform(drawTarget);
drawTarget->SetTransform(
drawTarget->GetTransform().PreTranslate(devPixelOffset));
ColorPattern color(ToDeviceColor(bordercolor));
nscoord onePixel = nsPresContext::CSSPixelsToAppUnits(1);
StrokeLineWithSnapping(nsPoint(onePixel, 0), nsPoint(mRect.width, 0),
appUnitsPerDevPixel, *drawTarget, color);
StrokeLineWithSnapping(nsPoint(0, onePixel), nsPoint(0, mRect.height),
appUnitsPerDevPixel, *drawTarget, color);
StrokeLineWithSnapping(nsPoint(onePixel, mRect.height),
nsPoint(mRect.width, mRect.height),
appUnitsPerDevPixel, *drawTarget, color);
StrokeLineWithSnapping(nsPoint(mRect.width, onePixel),
nsPoint(mRect.width, mRect.height),
appUnitsPerDevPixel, *drawTarget, color);
//middle
nsRect r(onePixel, onePixel,
mRect.width - onePixel, mRect.height - onePixel);
Rect devPixelRect =
NSRectToSnappedRect(r, appUnitsPerDevPixel, *drawTarget);
drawTarget->StrokeRect(devPixelRect, color);
//shading
StrokeLineWithSnapping(nsPoint(2*onePixel, mRect.height-2*onePixel),
nsPoint(mRect.width-onePixel, mRect.height- (2*onePixel)),
appUnitsPerDevPixel, *drawTarget, color);
StrokeLineWithSnapping(nsPoint(mRect.width - (2*onePixel), 2*onePixel),
nsPoint(mRect.width - (2*onePixel), mRect.height-onePixel),
appUnitsPerDevPixel, *drawTarget, color);
}
}
}
}
