void
DrawTargetSkia::CopySurface(SourceSurface *aSurface,
const IntRect& aSourceRect,
const IntPoint &aDestination)
{
//TODO: We could just use writePixels() here if the sourceRect is the entire source
if (aSurface->GetType() != SurfaceType::SKIA) {
return;
}
MarkChanged();
TempBitmap bitmap = GetBitmapForSurface(aSurface);
mCanvas->save();
mCanvas->resetMatrix();
SkRect dest = IntRectToSkRect(IntRect(aDestination.x, aDestination.y, aSourceRect.width, aSourceRect.height));
SkIRect source = IntRectToSkIRect(aSourceRect);
mCanvas->clipRect(dest, SkRegion::kReplace_Op);
SkPaint paint;
if (mCanvas->getDevice()->config() == SkBitmap::kRGB_565_Config) {
// Set the xfermode to SOURCE_OVER to workaround
// http://code.google.com/p/skia/issues/detail?id=628
// RGB565 is opaque so they're equivalent anyway
paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
} else {
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
}
mCanvas->drawBitmapRect(bitmap.mBitmap, &source, dest, &paint);
mCanvas->restore();
}
void
DrawTargetSkia::DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions)
{
if (!(aSurface->GetType() == SurfaceType::SKIA || aSurface->GetType() == SurfaceType::DATA)) {
return;
}
if (aSource.IsEmpty()) {
return;
}
MarkChanged();
SkRect destRect = RectToSkRect(aDest);
SkRect sourceRect = RectToSkRect(aSource);
TempBitmap bitmap = GetBitmapForSurface(aSurface);
AutoPaintSetup paint(mCanvas.get(), aOptions);
if (aSurfOptions.mFilter == Filter::POINT) {
paint.mPaint.setFilterBitmap(false);
}
mCanvas->drawBitmapRectToRect(bitmap.mBitmap, &sourceRect, destRect, &paint.mPaint);
}
void
DrawTargetSkia::DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator)
{
if (!(aSurface->GetType() == SurfaceType::SKIA || aSurface->GetType() == SurfaceType::DATA)) {
return;
}
MarkChanged();
mCanvas->save(SkCanvas::kMatrix_SaveFlag);
mCanvas->resetMatrix();
TempBitmap bitmap = GetBitmapForSurface(aSurface);
SkPaint paint;
SkImageFilter* filter = SkDropShadowImageFilter::Create(aOffset.x, aOffset.y,
aSigma, ColorToSkColor(aColor, 1.0));
paint.setImageFilter(filter);
paint.setXfermodeMode(GfxOpToSkiaOp(aOperator));
mCanvas->drawBitmap(bitmap.mBitmap, aDest.x, aDest.y, &paint);
mCanvas->restore();
}
void
DrawTargetSkia::MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions)
{
MarkChanged();
AutoPaintSetup paint(mCanvas.get(), aOptions, aSource);
TempBitmap bitmap = GetBitmapForSurface(aMask);
if (bitmap.mBitmap.colorType() == kAlpha_8_SkColorType) {
mCanvas->drawBitmap(bitmap.mBitmap, aOffset.x, aOffset.y, &paint.mPaint);
} else {
SkPaint maskPaint;
TempBitmap tmpBitmap;
SetPaintPattern(maskPaint, SurfacePattern(aMask, ExtendMode::CLAMP), tmpBitmap);
SkMatrix transform = maskPaint.getShader()->getLocalMatrix();
transform.postTranslate(SkFloatToScalar(aOffset.x), SkFloatToScalar(aOffset.y));
maskPaint.getShader()->setLocalMatrix(transform);
SkLayerRasterizer::Builder builder;
builder.addLayer(maskPaint);
SkAutoTUnref<SkRasterizer> raster(builder.detachRasterizer());
paint.mPaint.setRasterizer(raster.get());
IntSize size = aMask->GetSize();
Rect rect = Rect(aOffset.x, aOffset.y, size.width, size.height);
mCanvas->drawRect(RectToSkRect(rect), paint.mPaint);
}
}
void
DrawTargetSkia::CopySurface(SourceSurface *aSurface,
const IntRect& aSourceRect,
const IntPoint &aDestination)
{
//TODO: We could just use writePixels() here if the sourceRect is the entire source
if (aSurface->GetType() != SurfaceType::SKIA && aSurface->GetType() != SurfaceType::DATA) {
return;
}
MarkChanged();
TempBitmap bitmap = GetBitmapForSurface(aSurface);
// This is a fast path that is disabled for now to mimimize risk
if (false && !bitmap.mBitmap.getTexture() && mCanvas->getDevice()->config() == bitmap.mBitmap.config()) {
SkBitmap bm(bitmap.mBitmap);
bm.lockPixels();
if (bm.getPixels()) {
SkImageInfo info = bm.info();
info.fWidth = aSourceRect.width;
info.fHeight = aSourceRect.height;
uint8_t* pixels = static_cast<uint8_t*>(bm.getPixels());
// adjust pixels for the source offset
pixels += aSourceRect.x + aSourceRect.y*bm.rowBytes();
mCanvas->writePixels(info, pixels, bm.rowBytes(), aDestination.x, aDestination.y);
return;
}
}
mCanvas->save();
mCanvas->resetMatrix();
SkRect dest = IntRectToSkRect(IntRect(aDestination.x, aDestination.y, aSourceRect.width, aSourceRect.height));
SkIRect source = IntRectToSkIRect(aSourceRect);
mCanvas->clipRect(dest, SkRegion::kReplace_Op);
SkPaint paint;
if (mCanvas->getDevice()->config() == SkBitmap::kRGB_565_Config) {
// Set the xfermode to SOURCE_OVER to workaround
// http://code.google.com/p/skia/issues/detail?id=628
// RGB565 is opaque so they're equivalent anyway
paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
} else {
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
}
// drawBitmapRect with A8 bitmaps ends up doing a mask operation
// so we need to clear before
if (bitmap.mBitmap.config() == SkBitmap::kA8_Config) {
SkPaint clearPaint;
clearPaint.setColor(SkColorSetARGB(0, 0, 0, 0));
clearPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
mCanvas->drawPaint(clearPaint);
}
mCanvas->drawBitmapRect(bitmap.mBitmap, &source, dest, &paint);
mCanvas->restore();
}
void
DrawTargetSkia::DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions)
{
RefPtr<SourceSurface> dataSurface;
if (!(aSurface->GetType() == SurfaceType::SKIA || aSurface->GetType() == SurfaceType::DATA)) {
dataSurface = aSurface->GetDataSurface();
if (!dataSurface) {
gfxDebug() << *this << ": DrawSurface() can't draw surface";
return;
}
aSurface = dataSurface.get();
}
if (aSource.IsEmpty()) {
return;
}
MarkChanged();
SkRect destRect = RectToSkRect(aDest);
SkRect sourceRect = RectToSkRect(aSource);
TempBitmap bitmap = GetBitmapForSurface(aSurface);
AutoPaintSetup paint(mCanvas.get(), aOptions, &aDest);
if (aSurfOptions.mFilter == Filter::POINT) {
paint.mPaint.setFilterLevel(SkPaint::kNone_FilterLevel);
}
mCanvas->drawBitmapRectToRect(bitmap.mBitmap, &sourceRect, destRect, &paint.mPaint);
}
static void
SetPaintPattern(SkPaint& aPaint, const Pattern& aPattern, TempBitmap& aTmpBitmap,
Float aAlpha = 1.0)
{
switch (aPattern.GetType()) {
case PatternType::COLOR: {
Color color = static_cast<const ColorPattern&>(aPattern).mColor;
aPaint.setColor(ColorToSkColor(color, aAlpha));
break;
}
case PatternType::LINEAR_GRADIENT: {
const LinearGradientPattern& pat = static_cast<const LinearGradientPattern&>(aPattern);
GradientStopsSkia *stops = static_cast<GradientStopsSkia*>(pat.mStops.get());
SkShader::TileMode mode = ExtendModeToTileMode(stops->mExtendMode);
if (stops->mCount >= 2) {
SkPoint points[2];
points[0] = SkPoint::Make(SkFloatToScalar(pat.mBegin.x), SkFloatToScalar(pat.mBegin.y));
points[1] = SkPoint::Make(SkFloatToScalar(pat.mEnd.x), SkFloatToScalar(pat.mEnd.y));
SkShader* shader = SkGradientShader::CreateLinear(points,
&stops->mColors.front(),
&stops->mPositions.front(),
stops->mCount,
mode);
if (shader) {
SkMatrix mat;
GfxMatrixToSkiaMatrix(pat.mMatrix, mat);
shader->setLocalMatrix(mat);
SkSafeUnref(aPaint.setShader(shader));
}
} else {
aPaint.setColor(SkColorSetARGB(0, 0, 0, 0));
}
break;
}
case PatternType::RADIAL_GRADIENT: {
const RadialGradientPattern& pat = static_cast<const RadialGradientPattern&>(aPattern);
GradientStopsSkia *stops = static_cast<GradientStopsSkia*>(pat.mStops.get());
SkShader::TileMode mode = ExtendModeToTileMode(stops->mExtendMode);
if (stops->mCount >= 2) {
SkPoint points[2];
points[0] = SkPoint::Make(SkFloatToScalar(pat.mCenter1.x), SkFloatToScalar(pat.mCenter1.y));
points[1] = SkPoint::Make(SkFloatToScalar(pat.mCenter2.x), SkFloatToScalar(pat.mCenter2.y));
SkShader* shader = SkGradientShader::CreateTwoPointConical(points[0],
SkFloatToScalar(pat.mRadius1),
points[1],
SkFloatToScalar(pat.mRadius2),
&stops->mColors.front(),
&stops->mPositions.front(),
stops->mCount,
mode);
if (shader) {
SkMatrix mat;
GfxMatrixToSkiaMatrix(pat.mMatrix, mat);
shader->setLocalMatrix(mat);
SkSafeUnref(aPaint.setShader(shader));
}
} else {
aPaint.setColor(SkColorSetARGB(0, 0, 0, 0));
}
break;
}
case PatternType::SURFACE: {
const SurfacePattern& pat = static_cast<const SurfacePattern&>(aPattern);
aTmpBitmap = GetBitmapForSurface(pat.mSurface);
const SkBitmap& bitmap = aTmpBitmap.mBitmap;
SkShader::TileMode mode = ExtendModeToTileMode(pat.mExtendMode);
SkShader* shader = SkShader::CreateBitmapShader(bitmap, mode, mode);
SkMatrix mat;
GfxMatrixToSkiaMatrix(pat.mMatrix, mat);
shader->setLocalMatrix(mat);
SkSafeUnref(aPaint.setShader(shader));
if (pat.mFilter == Filter::POINT) {
aPaint.setFilterLevel(SkPaint::kNone_FilterLevel);
}
break;
}
}
}
void
DrawTargetSkia::DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOperator)
{
MarkChanged();
mCanvas->save(SkCanvas::kMatrix_SaveFlag);
mCanvas->resetMatrix();
uint32_t blurFlags = SkBlurMaskFilter::kHighQuality_BlurFlag |
SkBlurMaskFilter::kIgnoreTransform_BlurFlag;
TempBitmap bitmap = GetBitmapForSurface(aSurface);
SkShader* shader = SkShader::CreateBitmapShader(bitmap.mBitmap,
SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
SkMatrix matrix;
matrix.reset();
matrix.setTranslateX(SkFloatToScalar(aDest.x));
matrix.setTranslateY(SkFloatToScalar(aDest.y));
shader->setLocalMatrix(matrix);
SkLayerDrawLooper* dl = new SkLayerDrawLooper;
SkLayerDrawLooper::LayerInfo info;
info.fPaintBits |= SkLayerDrawLooper::kShader_Bit;
SkPaint *layerPaint = dl->addLayer(info);
layerPaint->setShader(shader);
info.fPaintBits = 0;
info.fPaintBits |= SkLayerDrawLooper::kMaskFilter_Bit;
info.fPaintBits |= SkLayerDrawLooper::kColorFilter_Bit;
info.fColorMode = SkXfermode::kDst_Mode;
info.fOffset.set(SkFloatToScalar(aOffset.x), SkFloatToScalar(aOffset.y));
info.fPostTranslate = true;
SkMaskFilter* mf = SkBlurMaskFilter::Create(aSigma, SkBlurMaskFilter::kNormal_BlurStyle, blurFlags);
SkColor color = ColorToSkColor(aColor, 1);
SkColorFilter* cf = SkColorFilter::CreateModeFilter(color, SkXfermode::kSrcIn_Mode);
layerPaint = dl->addLayer(info);
SkSafeUnref(layerPaint->setMaskFilter(mf));
SkSafeUnref(layerPaint->setColorFilter(cf));
layerPaint->setColor(color);
// TODO: This is using the rasterizer to calculate an alpha mask
// on both the shadow and normal layers. We should fix this
// properly so it only happens for the shadow layer
SkLayerRasterizer *raster = new SkLayerRasterizer();
SkPaint maskPaint;
SkSafeUnref(maskPaint.setShader(shader));
raster->addLayer(maskPaint, 0, 0);
SkPaint paint;
paint.setAntiAlias(true);
SkSafeUnref(paint.setRasterizer(raster));
paint.setXfermodeMode(GfxOpToSkiaOp(aOperator));
SkSafeUnref(paint.setLooper(dl));
SkRect rect = RectToSkRect(Rect(Float(aDest.x), Float(aDest.y),
Float(bitmap.mBitmap.width()), Float(bitmap.mBitmap.height())));
mCanvas->drawRect(rect, paint);
mCanvas->restore();
}
