diff options
author | 2015-05-04 08:32:02 -0700 | |
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committer | 2015-05-04 08:32:02 -0700 | |
commit | f603fb3d0e5fa57c3f228d66945bef198b001135 (patch) | |
tree | 6d3013b43ae2f94277318b4c949ab1f6f1f18d10 /src/core | |
parent | ab622c7b8cc8c39f0a594e4392b9e31b7e1ddb26 (diff) |
make drawImage a virtual on SkDevice
default impl will turn the Image into a (raster) bitmap and call drawBitmap.
BUG=skia:3803
Review URL: https://codereview.chromium.org/1118823004
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/SkCanvas.cpp | 56 | ||||
-rw-r--r-- | src/core/SkDevice.cpp | 20 |
2 files changed, 71 insertions, 5 deletions
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp index 3e3f714880..34d6aaa0ab 100644 --- a/src/core/SkCanvas.cpp +++ b/src/core/SkCanvas.cpp @@ -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) { diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp index 6be9178f23..9a43fd0e32 100644 --- a/src/core/SkDevice.cpp +++ b/src/core/SkDevice.cpp @@ -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); |