gecko-dev/gfx/2d/DrawTargetD2D1.cpp
2013-07-20 12:37:04 +02:00

918 lines
28 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DrawTargetD2D1.h"
#include "DrawTargetD2D.h"
#include "GradientStopsD2D.h"
#include "SourceSurfaceD2D1.h"
#include "SourceSurfaceD2D.h"
#include "RadialGradientEffectD2D1.h"
#include "HelpersD2D.h"
#include "Tools.h"
using namespace std;
namespace mozilla {
namespace gfx {
uint64_t DrawTargetD2D1::mVRAMUsageDT;
uint64_t DrawTargetD2D1::mVRAMUsageSS;
ID2D1Factory1* DrawTargetD2D1::mFactory = nullptr;
ID2D1Factory1 *D2DFactory1()
{
return DrawTargetD2D1::factory();
}
DrawTargetD2D1::DrawTargetD2D1()
: mClipsArePushed(false)
{
}
DrawTargetD2D1::~DrawTargetD2D1()
{
PopAllClips();
mDC->EndDraw();
}
TemporaryRef<SourceSurface>
DrawTargetD2D1::Snapshot()
{
if (mSnapshot) {
return mSnapshot;
}
PopAllClips();
mDC->Flush();
mSnapshot = new SourceSurfaceD2D1(mBitmap, mDC, mFormat, mSize, this);
return mSnapshot;
}
void
DrawTargetD2D1::Flush()
{
mDC->Flush();
}
void
DrawTargetD2D1::DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions)
{
Matrix mat;
RefPtr<ID2D1Image> image = GetImageForSurface(aSurface, mat, EXTEND_CLAMP);
if (!image) {
gfxWarning() << *this << ": Unable to get D2D image for surface.";
return;
}
PrepareForDrawing(aOptions.mCompositionOp, ColorPattern(Color()));
D2D1_RECT_F samplingBounds;
if (aSurfOptions.mSamplingBounds == SAMPLING_BOUNDED) {
samplingBounds = D2DRect(aSource);
} else {
samplingBounds = D2D1::RectF(0, 0, Float(aSurface->GetSize().width), Float(aSurface->GetSize().height));
}
Float xScale = aDest.width / aSource.width;
Float yScale = aDest.height / aSource.height;
RefPtr<ID2D1ImageBrush> brush;
// Here we scale the source pattern up to the size and position where we want
// it to be.
Matrix transform;
transform.Translate(aDest.x, aDest.y);
transform.Scale(xScale, yScale);
mDC->CreateImageBrush(image, D2D1::ImageBrushProperties(samplingBounds),
D2D1::BrushProperties(aOptions.mAlpha, D2DMatrix(transform)),
byRef(brush));
mDC->FillRectangle(D2DRect(aDest), brush);
FinalizeDrawing(aOptions.mCompositionOp, ColorPattern(Color()));
}
void
DrawTargetD2D1::DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator)
{
MarkChanged();
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
Matrix mat;
RefPtr<ID2D1Image> image = GetImageForSurface(aSurface, mat, EXTEND_CLAMP);
if (!mat.IsIdentity()) {
gfxDebug() << *this << ": At this point complex partial uploads are not supported for Shadow surfaces.";
return;
}
// Step 1, create the shadow effect.
RefPtr<ID2D1Effect> shadowEffect;
mDC->CreateEffect(CLSID_D2D1Shadow, byRef(shadowEffect));
shadowEffect->SetInput(0, image);
shadowEffect->SetValue(D2D1_SHADOW_PROP_BLUR_STANDARD_DEVIATION, aSigma);
D2D1_VECTOR_4F color = { aColor.r, aColor.g, aColor.b, aColor.a };
shadowEffect->SetValue(D2D1_SHADOW_PROP_COLOR, color);
// Step 2, move the shadow effect into place.
RefPtr<ID2D1Effect> affineTransformEffect;
mDC->CreateEffect(CLSID_D2D12DAffineTransform, byRef(affineTransformEffect));
affineTransformEffect->SetInputEffect(0, shadowEffect);
D2D1_MATRIX_3X2_F matrix = D2D1::Matrix3x2F::Translation(aOffset.x, aOffset.y);
affineTransformEffect->SetValue(D2D1_2DAFFINETRANSFORM_PROP_TRANSFORM_MATRIX, matrix);
// Step 3, create an effect that combines shadow and bitmap in one image.
RefPtr<ID2D1Effect> compositeEffect;
mDC->CreateEffect(CLSID_D2D1Composite, byRef(compositeEffect));
compositeEffect->SetInputEffect(0, affineTransformEffect);
compositeEffect->SetInput(1, image);
compositeEffect->SetValue(D2D1_COMPOSITE_PROP_MODE, D2DCompositionMode(aOperator));
D2D1_POINT_2F surfPoint = D2DPoint(aDest);
mDC->DrawImage(compositeEffect, &surfPoint, nullptr, D2D1_INTERPOLATION_MODE_LINEAR, D2DCompositionMode(aOperator));
}
void
DrawTargetD2D1::ClearRect(const Rect &aRect)
{
MarkChanged();
mDC->PushAxisAlignedClip(D2DRect(aRect), D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
mDC->Clear();
mDC->PopAxisAlignedClip();
}
void
DrawTargetD2D1::MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions)
{
RefPtr<ID2D1Bitmap> bitmap;
Matrix mat;
RefPtr<ID2D1Image> image = GetImageForSurface(aMask, mat, EXTEND_CLAMP);
PrepareForDrawing(aOptions.mCompositionOp, aSource);
// FillOpacityMask only works if the antialias mode is MODE_ALIASED
mDC->SetAntialiasMode(D2D1_ANTIALIAS_MODE_ALIASED);
IntSize size = aMask->GetSize();
Rect maskRect = Rect(0.f, 0.f, Float(size.width), Float(size.height));
image->QueryInterface((ID2D1Bitmap**)&bitmap);
if (!bitmap) {
gfxWarning() << "FillOpacityMask only works with Bitmap source surfaces.";
return;
}
Rect dest = Rect(aOffset.x, aOffset.y, Float(size.width), Float(size.height));
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aSource, aOptions.mAlpha);
mDC->FillOpacityMask(bitmap, brush, D2D1_OPACITY_MASK_CONTENT_GRAPHICS, D2DRect(dest), D2DRect(maskRect));
mDC->SetAntialiasMode(D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
FinalizeDrawing(aOptions.mCompositionOp, aSource);
}
void
DrawTargetD2D1::CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination)
{
MarkChanged();
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
Matrix mat;
RefPtr<ID2D1Image> image = GetImageForSurface(aSurface, mat, EXTEND_CLAMP);
if (!mat.IsIdentity()) {
gfxDebug() << *this << ": At this point complex partial uploads are not supported for CopySurface.";
return;
}
mDC->DrawImage(image, D2D1::Point2F(Float(aDestination.x), Float(aDestination.y)),
D2D1::RectF(Float(aSourceRect.x), Float(aSourceRect.y),
Float(aSourceRect.XMost()), Float(aSourceRect.YMost())),
D2D1_INTERPOLATION_MODE_NEAREST_NEIGHBOR, D2D1_COMPOSITE_MODE_BOUNDED_SOURCE_COPY);
}
void
DrawTargetD2D1::FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions)
{
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
mDC->FillRectangle(D2DRect(aRect), brush);
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::StrokeRect(const Rect &aRect,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions,
const DrawOptions &aOptions)
{
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
mDC->DrawRectangle(D2DRect(aRect), brush, aStrokeOptions.mLineWidth, strokeStyle);
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::StrokeLine(const Point &aStart,
const Point &aEnd,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions,
const DrawOptions &aOptions)
{
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
mDC->DrawLine(D2DPoint(aStart), D2DPoint(aEnd), brush, aStrokeOptions.mLineWidth, strokeStyle);
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::Stroke(const Path *aPath,
const Pattern &aPattern,
const StrokeOptions &aStrokeOptions,
const DrawOptions &aOptions)
{
if (aPath->GetBackendType() != BACKEND_DIRECT2D) {
gfxDebug() << *this << ": Ignoring drawing call for incompatible path.";
return;
}
const PathD2D *d2dPath = static_cast<const PathD2D*>(aPath);
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
mDC->DrawGeometry(d2dPath->mGeometry, brush, aStrokeOptions.mLineWidth, strokeStyle);
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::Fill(const Path *aPath,
const Pattern &aPattern,
const DrawOptions &aOptions)
{
if (aPath->GetBackendType() != BACKEND_DIRECT2D) {
gfxDebug() << *this << ": Ignoring drawing call for incompatible path.";
return;
}
const PathD2D *d2dPath = static_cast<const PathD2D*>(aPath);
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
mDC->FillGeometry(d2dPath->mGeometry, brush);
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions,
const GlyphRenderingOptions *aRenderingOptions)
{
if (aFont->GetType() != FONT_DWRITE) {
gfxDebug() << *this << ": Ignoring drawing call for incompatible font.";
return;
}
ScaledFontDWrite *font = static_cast<ScaledFontDWrite*>(aFont);
IDWriteRenderingParams *params = nullptr;
if (aRenderingOptions) {
if (aRenderingOptions->GetType() != FONT_DWRITE) {
gfxDebug() << *this << ": Ignoring incompatible GlyphRenderingOptions.";
// This should never happen.
MOZ_ASSERT(false);
} else {
params = static_cast<const GlyphRenderingOptionsDWrite*>(aRenderingOptions)->mParams;
}
}
AntialiasMode aaMode = font->GetDefaultAAMode();
if (aOptions.mAntialiasMode != AA_DEFAULT) {
aaMode = aOptions.mAntialiasMode;
}
PrepareForDrawing(aOptions.mCompositionOp, aPattern);
bool forceClearType = false;
if (mFormat == FORMAT_B8G8R8A8 && mPermitSubpixelAA &&
aOptions.mCompositionOp == OP_OVER && aaMode == AA_SUBPIXEL) {
forceClearType = true;
}
D2D1_TEXT_ANTIALIAS_MODE d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_DEFAULT;
switch (aaMode) {
case AA_NONE:
d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_ALIASED;
break;
case AA_GRAY:
d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE;
break;
case AA_SUBPIXEL:
d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE;
break;
default:
d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_DEFAULT;
}
if (d2dAAMode == D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE &&
mFormat != FORMAT_B8G8R8X8 && !forceClearType) {
d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE;
}
mDC->SetTextAntialiasMode(d2dAAMode);
if (params != mTextRenderingParams) {
mDC->SetTextRenderingParams(params);
mTextRenderingParams = params;
}
RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
AutoDWriteGlyphRun autoRun;
DWriteGlyphRunFromGlyphs(aBuffer, font, &autoRun);
if (brush) {
mDC->DrawGlyphRun(D2D1::Point2F(), &autoRun, brush);
}
FinalizeDrawing(aOptions.mCompositionOp, aPattern);
}
void
DrawTargetD2D1::Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions)
{
PrepareForDrawing(aOptions.mCompositionOp, aSource);
RefPtr<ID2D1Brush> source = CreateBrushForPattern(aSource, aOptions.mAlpha);
RefPtr<ID2D1Brush> mask = CreateBrushForPattern(aMask, 1.0f);
mDC->PushLayer(D2D1::LayerParameters(D2D1::InfiniteRect(), nullptr,
D2D1_ANTIALIAS_MODE_PER_PRIMITIVE,
D2D1::IdentityMatrix(),
1.0f, mask),
nullptr);
Rect rect(0, 0, (Float)mSize.width, (Float)mSize.height);
Matrix mat = mTransform;
mat.Invert();
mDC->FillRectangle(D2DRect(mat.TransformBounds(rect)), source);
mDC->PopLayer();
FinalizeDrawing(aOptions.mCompositionOp, aSource);
}
void
DrawTargetD2D1::PushClip(const Path *aPath)
{
if (aPath->GetBackendType() != BACKEND_DIRECT2D) {
gfxDebug() << *this << ": Ignoring clipping call for incompatible path.";
return;
}
RefPtr<PathD2D> pathD2D = static_cast<PathD2D*>(const_cast<Path*>(aPath));
PushedClip clip;
clip.mTransform = D2DMatrix(mTransform);
clip.mPath = pathD2D;
pathD2D->mGeometry->GetBounds(clip.mTransform, &clip.mBounds);
mPushedClips.push_back(clip);
// The transform of clips is relative to the world matrix, since we use the total
// transform for the clips, make the world matrix identity.
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
if (mClipsArePushed) {
PushD2DLayer(mDC, pathD2D->mGeometry, clip.mTransform);
}
}
void
DrawTargetD2D1::PushClipRect(const Rect &aRect)
{
if (!mTransform.IsRectilinear()) {
// Whoops, this isn't a rectangle in device space, Direct2D will not deal
// with this transform the way we want it to.
// See remarks: http://msdn.microsoft.com/en-us/library/dd316860%28VS.85%29.aspx
RefPtr<PathBuilder> pathBuilder = CreatePathBuilder();
pathBuilder->MoveTo(aRect.TopLeft());
pathBuilder->LineTo(aRect.TopRight());
pathBuilder->LineTo(aRect.BottomRight());
pathBuilder->LineTo(aRect.BottomLeft());
pathBuilder->Close();
RefPtr<Path> path = pathBuilder->Finish();
return PushClip(path);
}
PushedClip clip;
Rect rect = mTransform.TransformBounds(aRect);
IntRect intRect;
clip.mIsPixelAligned = rect.ToIntRect(&intRect);
// Do not store the transform, just store the device space rectangle directly.
clip.mBounds = D2DRect(rect);
mPushedClips.push_back(clip);
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
if (mClipsArePushed) {
mDC->PushAxisAlignedClip(clip.mBounds, clip.mIsPixelAligned ? D2D1_ANTIALIAS_MODE_ALIASED : D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
}
}
void
DrawTargetD2D1::PopClip()
{
if (mClipsArePushed) {
if (mPushedClips.back().mPath) {
mDC->PopLayer();
} else {
mDC->PopAxisAlignedClip();
}
}
mPushedClips.pop_back();
}
TemporaryRef<SourceSurface>
DrawTargetD2D1::CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const
{
RefPtr<ID2D1Bitmap1> bitmap;
HRESULT hr = mDC->CreateBitmap(D2DIntSize(aSize), aData, aStride,
D2D1::BitmapProperties1(D2D1_BITMAP_OPTIONS_NONE, D2DPixelFormat(aFormat)),
byRef(bitmap));
if (!bitmap) {
return nullptr;
}
return new SourceSurfaceD2D1(bitmap.get(), mDC, aFormat, aSize);
}
TemporaryRef<DrawTarget>
DrawTargetD2D1::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
{
RefPtr<DrawTargetD2D1> dt = new DrawTargetD2D1();
if (!dt->Init(aSize, aFormat)) {
return nullptr;
}
return dt;
}
TemporaryRef<PathBuilder>
DrawTargetD2D1::CreatePathBuilder(FillRule aFillRule) const
{
RefPtr<ID2D1PathGeometry> path;
HRESULT hr = factory()->CreatePathGeometry(byRef(path));
if (FAILED(hr)) {
gfxWarning() << *this << ": Failed to create Direct2D Path Geometry. Code: " << hr;
return nullptr;
}
RefPtr<ID2D1GeometrySink> sink;
hr = path->Open(byRef(sink));
if (FAILED(hr)) {
gfxWarning() << *this << ": Failed to access Direct2D Path Geometry. Code: " << hr;
return nullptr;
}
if (aFillRule == FILL_WINDING) {
sink->SetFillMode(D2D1_FILL_MODE_WINDING);
}
return new PathBuilderD2D(sink, path, aFillRule);
}
TemporaryRef<GradientStops>
DrawTargetD2D1::CreateGradientStops(GradientStop *rawStops, uint32_t aNumStops, ExtendMode aExtendMode) const
{
D2D1_GRADIENT_STOP *stops = new D2D1_GRADIENT_STOP[aNumStops];
for (uint32_t i = 0; i < aNumStops; i++) {
stops[i].position = rawStops[i].offset;
stops[i].color = D2DColor(rawStops[i].color);
}
RefPtr<ID2D1GradientStopCollection> stopCollection;
HRESULT hr =
mDC->CreateGradientStopCollection(stops, aNumStops,
D2D1_GAMMA_2_2, D2DExtend(aExtendMode),
byRef(stopCollection));
delete [] stops;
if (FAILED(hr)) {
gfxWarning() << *this << ": Failed to create GradientStopCollection. Code: " << hr;
return nullptr;
}
return new GradientStopsD2D(stopCollection);
}
bool
DrawTargetD2D1::Init(const IntSize &aSize, SurfaceFormat aFormat)
{
HRESULT hr;
hr = Factory::GetD2D1Device()->CreateDeviceContext(D2D1_DEVICE_CONTEXT_OPTIONS_ENABLE_MULTITHREADED_OPTIMIZATIONS, byRef(mDC));
if (FAILED(hr)) {
gfxWarning() << *this << ": Error " << hr << " failed to initialize new DeviceContext.";
return false;
}
D2D1_BITMAP_PROPERTIES1 props;
props.dpiX = 96;
props.dpiY = 96;
props.pixelFormat = D2DPixelFormat(aFormat);
props.colorContext = nullptr;
props.bitmapOptions = D2D1_BITMAP_OPTIONS_TARGET;
mDC->CreateBitmap(D2DIntSize(aSize), nullptr, 0, props, (ID2D1Bitmap1**)byRef(mBitmap));
if (FAILED(hr)) {
gfxWarning() << *this << ": Error " << hr << " failed to create new CommandList.";
return false;
}
mDC->CreateBitmap(D2DIntSize(aSize), nullptr, 0, props, (ID2D1Bitmap1**)byRef(mTempBitmap));
mDC->SetTarget(mBitmap);
mDC->BeginDraw();
mFormat = aFormat;
mSize = aSize;
return true;
}
/**
* Private helpers.
*/
uint32_t
DrawTargetD2D1::GetByteSize() const
{
return mSize.width * mSize.height * BytesPerPixel(mFormat);
}
ID2D1Factory1*
DrawTargetD2D1::factory()
{
if (mFactory) {
return mFactory;
}
HRESULT hr = D2DFactory()->QueryInterface((ID2D1Factory1**)&mFactory);
if (FAILED(hr)) {
return nullptr;
}
RadialGradientEffectD2D1::Register(mFactory);
return mFactory;
}
void
DrawTargetD2D1::MarkChanged()
{
if (mSnapshot) {
if (mSnapshot->hasOneRef()) {
// Just destroy it, since no-one else knows about it.
mSnapshot = nullptr;
} else {
mSnapshot->DrawTargetWillChange();
// The snapshot will no longer depend on this target.
MOZ_ASSERT(!mSnapshot);
}
}
if (mDependentTargets.size()) {
// Copy mDependentTargets since the Flush()es below will modify it.
TargetSet tmpTargets = mDependentTargets;
for (TargetSet::iterator iter = tmpTargets.begin();
iter != tmpTargets.end(); iter++) {
(*iter)->Flush();
}
// The Flush() should have broken all dependencies on this target.
MOZ_ASSERT(!mDependentTargets.size());
}
}
void
DrawTargetD2D1::PrepareForDrawing(CompositionOp aOp, const Pattern &aPattern)
{
MarkChanged();
// It's important to do this before FlushTransformToDC! As this will cause
// the transform to become dirty.
if (!mClipsArePushed) {
mClipsArePushed = true;
PushClipsToDC(mDC);
}
FlushTransformToDC();
if (aOp == OP_OVER && IsPatternSupportedByD2D(aPattern)) {
return;
}
mDC->SetTarget(mTempBitmap);
mDC->Clear(D2D1::ColorF(0, 0));
}
void
DrawTargetD2D1::FinalizeDrawing(CompositionOp aOp, const Pattern &aPattern)
{
bool patternSupported = IsPatternSupportedByD2D(aPattern);
if (aOp == OP_OVER && patternSupported) {
return;
}
RefPtr<ID2D1Image> image;
mDC->GetTarget(byRef(image));
mDC->SetTarget(mBitmap);
if (patternSupported) {
mDC->DrawImage(image, D2D1_INTERPOLATION_MODE_NEAREST_NEIGHBOR, D2DCompositionMode(aOp));
return;
}
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
RefPtr<ID2D1Effect> radialGradientEffect;
mDC->CreateEffect(CLSID_RadialGradientEffect, byRef(radialGradientEffect));
const RadialGradientPattern *pat = static_cast<const RadialGradientPattern*>(&aPattern);
radialGradientEffect->SetValue(RADIAL_PROP_STOP_COLLECTION,
static_cast<const GradientStopsD2D*>(pat->mStops.get())->mStopCollection);
radialGradientEffect->SetValue(RADIAL_PROP_CENTER_1, D2D1::Vector2F(pat->mCenter1.x, pat->mCenter1.y));
radialGradientEffect->SetValue(RADIAL_PROP_CENTER_2, D2D1::Vector2F(pat->mCenter2.x, pat->mCenter2.y));
radialGradientEffect->SetValue(RADIAL_PROP_RADIUS_1, pat->mRadius1);
radialGradientEffect->SetValue(RADIAL_PROP_RADIUS_2, pat->mRadius2);
radialGradientEffect->SetValue(RADIAL_PROP_RADIUS_2, pat->mRadius2);
radialGradientEffect->SetValue(RADIAL_PROP_TRANSFORM, D2DMatrix(pat->mMatrix * mTransform));
radialGradientEffect->SetInput(0, image);
mDC->DrawImage(radialGradientEffect, D2D1_INTERPOLATION_MODE_NEAREST_NEIGHBOR, D2DCompositionMode(aOp));
}
void
DrawTargetD2D1::AddDependencyOnSource(SourceSurfaceD2D1* aSource)
{
if (aSource->mDrawTarget && !mDependingOnTargets.count(aSource->mDrawTarget)) {
aSource->mDrawTarget->mDependentTargets.insert(this);
mDependingOnTargets.insert(aSource->mDrawTarget);
}
}
void
DrawTargetD2D1::PopAllClips()
{
if (mClipsArePushed) {
PopClipsFromDC(mDC);
mClipsArePushed = false;
}
}
void
DrawTargetD2D1::PushClipsToDC(ID2D1DeviceContext *aDC)
{
mDC->SetTransform(D2D1::IdentityMatrix());
mTransformDirty = true;
for (std::vector<PushedClip>::iterator iter = mPushedClips.begin();
iter != mPushedClips.end(); iter++) {
if (iter->mPath) {
PushD2DLayer(aDC, iter->mPath->mGeometry, iter->mTransform);
} else {
mDC->PushAxisAlignedClip(iter->mBounds, iter->mIsPixelAligned ? D2D1_ANTIALIAS_MODE_ALIASED : D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
}
}
}
void
DrawTargetD2D1::PopClipsFromDC(ID2D1DeviceContext *aDC)
{
for (int i = mPushedClips.size() - 1; i >= 0; i--) {
if (mPushedClips[i].mPath) {
aDC->PopLayer();
} else {
aDC->PopAxisAlignedClip();
}
}
}
TemporaryRef<ID2D1Brush>
DrawTargetD2D1::CreateBrushForPattern(const Pattern &aPattern, Float aAlpha)
{
if (!IsPatternSupportedByD2D(aPattern)) {
RefPtr<ID2D1SolidColorBrush> colBrush;
mDC->CreateSolidColorBrush(D2D1::ColorF(1.0f, 1.0f, 1.0f, 1.0f), byRef(colBrush));
return colBrush;
}
if (aPattern.GetType() == PATTERN_COLOR) {
RefPtr<ID2D1SolidColorBrush> colBrush;
Color color = static_cast<const ColorPattern*>(&aPattern)->mColor;
mDC->CreateSolidColorBrush(D2D1::ColorF(color.r, color.g,
color.b, color.a),
D2D1::BrushProperties(aAlpha),
byRef(colBrush));
return colBrush;
} else if (aPattern.GetType() == PATTERN_LINEAR_GRADIENT) {
RefPtr<ID2D1LinearGradientBrush> gradBrush;
const LinearGradientPattern *pat =
static_cast<const LinearGradientPattern*>(&aPattern);
GradientStopsD2D *stops = static_cast<GradientStopsD2D*>(pat->mStops.get());
if (!stops) {
gfxDebug() << "No stops specified for gradient pattern.";
return nullptr;
}
if (pat->mBegin == pat->mEnd) {
RefPtr<ID2D1SolidColorBrush> colBrush;
uint32_t stopCount = stops->mStopCollection->GetGradientStopCount();
vector<D2D1_GRADIENT_STOP> d2dStops(stopCount);
stops->mStopCollection->GetGradientStops(&d2dStops.front(), stopCount);
mDC->CreateSolidColorBrush(d2dStops.back().color,
D2D1::BrushProperties(aAlpha),
byRef(colBrush));
return colBrush;
}
mDC->CreateLinearGradientBrush(D2D1::LinearGradientBrushProperties(D2DPoint(pat->mBegin),
D2DPoint(pat->mEnd)),
D2D1::BrushProperties(aAlpha, D2DMatrix(pat->mMatrix)),
stops->mStopCollection,
byRef(gradBrush));
return gradBrush;
} else if (aPattern.GetType() == PATTERN_RADIAL_GRADIENT) {
RefPtr<ID2D1RadialGradientBrush> gradBrush;
const RadialGradientPattern *pat =
static_cast<const RadialGradientPattern*>(&aPattern);
GradientStopsD2D *stops = static_cast<GradientStopsD2D*>(pat->mStops.get());
if (!stops) {
gfxDebug() << "No stops specified for gradient pattern.";
return nullptr;
}
// This will not be a complex radial gradient brush.
mDC->CreateRadialGradientBrush(
D2D1::RadialGradientBrushProperties(D2DPoint(pat->mCenter2),
D2DPoint(pat->mCenter1 - pat->mCenter2),
pat->mRadius2, pat->mRadius2),
D2D1::BrushProperties(aAlpha, D2DMatrix(pat->mMatrix)),
stops->mStopCollection,
byRef(gradBrush));
return gradBrush;
} else if (aPattern.GetType() == PATTERN_SURFACE) {
const SurfacePattern *pat =
static_cast<const SurfacePattern*>(&aPattern);
if (!pat->mSurface) {
gfxDebug() << "No source surface specified for surface pattern";
return nullptr;
}
Matrix mat = pat->mMatrix;
RefPtr<ID2D1ImageBrush> imageBrush;
RefPtr<ID2D1Image> image = GetImageForSurface(pat->mSurface, mat, pat->mExtendMode);
mDC->CreateImageBrush(image,
D2D1::ImageBrushProperties(D2D1::RectF(0, 0,
Float(pat->mSurface->GetSize().width),
Float(pat->mSurface->GetSize().height)),
D2DExtend(pat->mExtendMode), D2DExtend(pat->mExtendMode),
D2DInterpolationMode(pat->mFilter)),
D2D1::BrushProperties(aAlpha, D2DMatrix(mat)),
byRef(imageBrush));
return imageBrush;
}
gfxWarning() << "Invalid pattern type detected.";
return nullptr;
}
TemporaryRef<ID2D1Image>
DrawTargetD2D1::GetImageForSurface(SourceSurface *aSurface, Matrix &aSourceTransform,
ExtendMode aExtendMode)
{
RefPtr<ID2D1Image> image;
switch (aSurface->GetType()) {
case SURFACE_D2D1_1_IMAGE:
{
SourceSurfaceD2D1 *surf = static_cast<SourceSurfaceD2D1*>(aSurface);
image = surf->GetImage();
AddDependencyOnSource(surf);
}
break;
default:
{
RefPtr<DataSourceSurface> dataSurf = aSurface->GetDataSurface();
if (!dataSurf) {
gfxWarning() << "Invalid surface type.";
return nullptr;
}
image = CreatePartialBitmapForSurface(dataSurf, mTransform, mSize, aExtendMode,
aSourceTransform, mDC);
return image;
}
break;
}
return image;
}
void
DrawTargetD2D1::PushD2DLayer(ID2D1DeviceContext *aDC, ID2D1Geometry *aGeometry, const D2D1_MATRIX_3X2_F &aTransform)
{
D2D1_LAYER_OPTIONS1 options = D2D1_LAYER_OPTIONS1_NONE;
if (aDC->GetPixelFormat().alphaMode == D2D1_ALPHA_MODE_IGNORE) {
options = D2D1_LAYER_OPTIONS1_IGNORE_ALPHA | D2D1_LAYER_OPTIONS1_INITIALIZE_FROM_BACKGROUND;
}
mDC->PushLayer(D2D1::LayerParameters1(D2D1::InfiniteRect(), aGeometry,
D2D1_ANTIALIAS_MODE_PER_PRIMITIVE, aTransform,
1.0, nullptr, options), nullptr);
}
}
}