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Make drawImage a virtual on SkDevice (patchset #3 id:40001 of https://codereview.chromium.org/1118823004/)"

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Fixed serialization from prev CL

This reverts commit 973d1f1f60.

BUG=skia:3803
TBR=

Review URL: https://codereview.chromium.org/1122813002
This commit is contained in:
reed 2015-05-04 10:49:41 -07:00 committed by Commit bot
parent 4e11c0b54d
commit 5392785080
13 changed files with 138 additions and 58 deletions
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4
include/core/SkDevice.h
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@ -209,6 +209,10 @@ protected:
const SkPaint& paint,
SkCanvas::DrawBitmapRectFlags flags) = 0;
virtual void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&);
virtual void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
const SkPaint&);
/**
* Does not handle text decoration.
* Decorations (underline and stike-thru) will be handled by SkCanvas.

13
include/core/SkImage.h
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@ -172,19 +172,6 @@ private:
static uint32_t NextUniqueID();
typedef SkRefCnt INHERITED;
friend class SkCanvas;
void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const;
/**
* Draw the image, cropped to the src rect, to the dst rect of a canvas.
* If src is larger than the bounds of the image, the rest of the image is
* filled with transparent black pixels.
*
* See SkCanvas::drawBitmapRectToRect for similar behavior.
*/
void drawRect(SkCanvas*, const SkRect* src, const SkRect& dst, const SkPaint*) const;
};
#endif

56
src/core/SkCanvas.cpp
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@ -1734,12 +1734,15 @@ void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
this->onDrawPath(path, paint);
}
void SkCanvas::drawImage(const SkImage* image, SkScalar dx, SkScalar dy, const SkPaint* paint) {
this->onDrawImage(image, dx, dy, paint);
void SkCanvas::drawImage(const SkImage* image, SkScalar x, SkScalar y, const SkPaint* paint) {
this->onDrawImage(image, x, y, paint);
}
void SkCanvas::drawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint) {
if (dst.isEmpty()) {
return;
}
this->onDrawImageRect(image, src, dst, paint);
}
@ -1959,15 +1962,58 @@ void SkCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
LOOPER_END
}
void SkCanvas::onDrawImage(const SkImage* image, SkScalar dx, SkScalar dy, const SkPaint* paint) {
void SkCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y, const SkPaint* paint) {
TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImage()");
image->draw(this, dx, dy, paint);
SkRect bounds = SkRect::MakeXYWH(x, y,
SkIntToScalar(image->width()), SkIntToScalar(image->height()));
if (NULL == paint || paint->canComputeFastBounds()) {
if (paint) {
paint->computeFastBounds(bounds, &bounds);
}
if (this->quickReject(bounds)) {
return;
}
}
SkLazyPaint lazy;
if (NULL == paint) {
paint = lazy.init();
}
LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &bounds)
while (iter.next()) {
iter.fDevice->drawImage(iter, image, x, y, looper.paint());
}
LOOPER_END
}
void SkCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint) {
TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImageRect()");
image->drawRect(this, src, dst, paint);
SkRect storage;
const SkRect* bounds = &dst;
if (NULL == paint || paint->canComputeFastBounds()) {
if (paint) {
bounds = &paint->computeFastBounds(dst, &storage);
}
if (this->quickReject(*bounds)) {
return;
}
}
SkLazyPaint lazy;
if (NULL == paint) {
paint = lazy.init();
}
LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds)
while (iter.next()) {
iter.fDevice->drawImageRect(iter, image, src, dst, looper.paint());
}
LOOPER_END
}
void SkCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, const SkPaint* paint) {

20
src/core/SkDevice.cpp
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@ -165,6 +165,26 @@ void SkBaseDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkSc
}
}
#include "SkImage_Base.h"
void SkBaseDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
const SkPaint& paint) {
// Default impl : turns everything into raster bitmap
SkBitmap bm;
if (as_IB(image)->getROPixels(&bm)) {
this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
}
}
void SkBaseDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
const SkRect& dst, const SkPaint& paint) {
// Default impl : turns everything into raster bitmap
SkBitmap bm;
if (as_IB(image)->getROPixels(&bm)) {
this->drawBitmapRect(draw, bm, src, dst, paint, SkCanvas::DrawBitmapRectFlags(0));
}
}
bool SkBaseDevice::readPixels(const SkImageInfo& info, void* dstP, size_t rowBytes, int x, int y) {
#ifdef SK_DEBUG
SkASSERT(info.width() > 0 && info.height() > 0);

17
src/core/SkPictureRecord.cpp
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@ -7,6 +7,7 @@
#include "SkPictureRecord.h"
#include "SkDevice.h"
#include "SkImage_Base.h"
#include "SkPatchUtils.h"
#include "SkPixelRef.h"
#include "SkRRect.h"
@ -563,6 +564,22 @@ void SkPictureRecord::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src
this->validate(initialOffset, size);
}
void SkPictureRecord::onDrawImage(const SkImage* image, SkScalar x, SkScalar y,
const SkPaint* paint) {
SkBitmap bm;
if (as_IB(image)->getROPixels(&bm)) {
this->SkPictureRecord::onDrawBitmap(bm, x, y, paint);
}
}
void SkPictureRecord::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
const SkPaint* paint) {
SkBitmap bm;
if (as_IB(image)->getROPixels(&bm)) {
this->SkPictureRecord::onDrawBitmapRect(bm, src, dst, paint, DrawBitmapRectFlags(0));
}
}
void SkPictureRecord::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
const SkRect& dst, const SkPaint* paint) {
// op + paint index + bitmap id + center + dst rect

3
src/core/SkPictureRecord.h
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@ -184,12 +184,9 @@ protected:
void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
DrawBitmapRectFlags flags) override;
#if 0
// rely on conversion to bitmap (for now)
void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
const SkPaint*) override;
#endif
void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
const SkPaint*) override;
void onDrawSprite(const SkBitmap&, int left, int top, const SkPaint*) override;

43
src/gpu/SkGpuDevice.cpp
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@ -1730,6 +1730,49 @@ bool SkGpuDevice::filterImage(const SkImageFilter* filter, const SkBitmap& src,
filter, ctx, result, offset);
}
#include "SkImage_Base.h"
static SkImageInfo make_info(GrTexture* tex, int w, int h, bool isOpaque) {
const GrPixelConfig config = tex->config();
SkColorType ct;
SkAlphaType at = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
if (!GrPixelConfig2ColorAndProfileType(config, &ct, NULL)) {
ct = kUnknown_SkColorType;
}
return SkImageInfo::Make(w, h, ct, at);
}
static bool wrap_as_bm(const SkImage* image, SkBitmap* bm) {
GrTexture* tex = image->getTexture();
if (tex) {
// TODO: handle the GrTexture directly, and skip GrPixelRef
const SkImageInfo info = make_info(tex, image->width(), image->height(), image->isOpaque());
bm->setInfo(info);
bm->setPixelRef(SkNEW_ARGS(SkGrPixelRef, (info, tex)))->unref();
} else {
if (!as_IB(image)->getROPixels(bm)) {
return false;
}
}
return true;
}
void SkGpuDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
const SkPaint& paint) {
SkBitmap bm;
if (wrap_as_bm(image, &bm)) {
this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
}
}
void SkGpuDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
const SkRect& dst, const SkPaint& paint) {
SkBitmap bm;
if (wrap_as_bm(image, &bm)) {
this->drawBitmapRect(draw, bm, src, dst, paint, SkCanvas::DrawBitmapRectFlags(0));
}
}
///////////////////////////////////////////////////////////////////////////////
// must be in SkCanvas::VertexMode order

3
src/gpu/SkGpuDevice.h
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@ -115,6 +115,9 @@ public:
const SkPaint&) override;
virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
const SkPaint&) override;
void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&) override;
void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
const SkPaint&) override;
void flush() override;

9
src/image/SkImage.cpp
View File

@ -25,15 +25,6 @@ uint32_t SkImage::NextUniqueID() {
return id;
}
void SkImage::draw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const {
as_IB(this)->onDraw(canvas, x, y, paint);
}
void SkImage::drawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
const SkPaint* paint) const {
as_IB(this)->onDrawRect(canvas, src, dst, paint);
}
const void* SkImage::peekPixels(SkImageInfo* info, size_t* rowBytes) const {
SkImageInfo infoStorage;
size_t rowBytesStorage;

3
src/image/SkImage_Base.h
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@ -36,9 +36,6 @@ public:
const SkSurfaceProps& props() const { return fProps; }
virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const = 0;
virtual void onDrawRect(SkCanvas*, const SkRect* src,
const SkRect& dst, const SkPaint*) const = 0;
virtual SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const = 0;
virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const {

9
src/image/SkImage_Gpu.cpp
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@ -26,15 +26,6 @@ SkShader* SkImage_Gpu::onNewShader(SkShader::TileMode tileX,
return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix);
}
void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const {
canvas->drawBitmap(fBitmap, x, y, paint);
}
void SkImage_Gpu::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
const SkPaint* paint) const {
canvas->drawBitmapRectToRect(fBitmap, src, dst, paint);
}
SkSurface* SkImage_Gpu::onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) const {
GrContext* ctx = this->getTexture()->getContext();
// TODO: Change signature of onNewSurface to take a budgeted param.

3
src/image/SkImage_Gpu.h
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@ -21,9 +21,6 @@ public:
SkImage_Gpu(const SkBitmap&, int sampleCountForNewSurfaces, SkSurface::Budgeted);
void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const override;
void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst,
const SkPaint*) const override;
SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const override;
GrTexture* onGetTexture() const override;
bool getROPixels(SkBitmap*) const override;

13
src/image/SkImage_Raster.cpp
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@ -53,8 +53,6 @@ public:
SkImage_Raster(const SkImageInfo&, SkData*, size_t rb, const SkSurfaceProps*);
virtual ~SkImage_Raster();
void onDraw(SkCanvas*, SkScalar, SkScalar, const SkPaint*) const override;
void onDrawRect(SkCanvas*, const SkRect*, const SkRect&, const SkPaint*) const override;
SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const override;
bool onReadPixels(const SkImageInfo&, void*, size_t, int srcX, int srcY) const override;
const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const override;
@ -120,17 +118,6 @@ SkShader* SkImage_Raster::onNewShader(SkShader::TileMode tileX, SkShader::TileMo
return SkShader::CreateBitmapShader(fBitmap, tileX, tileY, localMatrix);
}
void SkImage_Raster::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const {
SkBitmap shallowCopy(fBitmap);
canvas->drawBitmap(shallowCopy, x, y, paint);
}
void SkImage_Raster::onDrawRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
const SkPaint* paint) const {
SkBitmap shallowCopy(fBitmap);
canvas->drawBitmapRectToRect(shallowCopy, src, dst, paint);
}
SkSurface* SkImage_Raster::onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) const {
return SkSurface::NewRaster(info, &props);
}