diff options
Diffstat (limited to 'src/core/SkCanvas.cpp')
-rw-r--r-- | src/core/SkCanvas.cpp | 81 |
1 files changed, 49 insertions, 32 deletions
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp index 71b81a1fa2..a5fa30ff2d 100644 --- a/src/core/SkCanvas.cpp +++ b/src/core/SkCanvas.cpp @@ -335,7 +335,8 @@ private: class AutoDrawLooper { public: AutoDrawLooper(SkCanvas* canvas, const SkPaint& paint, - bool skipLayerForImageFilter = false) : fOrigPaint(paint) { + bool skipLayerForImageFilter = false, + const SkRect* bounds = NULL) : fOrigPaint(paint) { fCanvas = canvas; fLooper = paint.getLooper(); fFilter = canvas->getDrawFilter(); @@ -347,8 +348,7 @@ public: if (!skipLayerForImageFilter && fOrigPaint.getImageFilter()) { SkPaint tmp; tmp.setImageFilter(fOrigPaint.getImageFilter()); - // it would be nice if we had a guess at the bounds, instead of null - (void)canvas->internalSaveLayer(NULL, &tmp, + (void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag, true); // we'll clear the imageFilter for the actual draws in next(), so // it will only be applied during the restore(). @@ -471,9 +471,9 @@ private: SkAutoBounderCommit ac(fBounder); \ SkDrawIter iter(this); -#define LOOPER_BEGIN(paint, type) \ +#define LOOPER_BEGIN(paint, type, bounds) \ this->predrawNotify(); \ - AutoDrawLooper looper(this, paint); \ + AutoDrawLooper looper(this, paint, false, bounds); \ while (looper.next(type)) { \ SkAutoBounderCommit ac(fBounder); \ SkDrawIter iter(this); @@ -972,7 +972,15 @@ void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap, SkDEBUGCODE(bitmap.validate();) CHECK_LOCKCOUNT_BALANCE(bitmap); - LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type) + SkRect storage; + const SkRect* bounds = NULL; + if (paint && paint->canComputeFastBounds()) { + bitmap.getBounds(&storage); + matrix.mapRect(&storage); + bounds = &paint->computeFastBounds(storage, &storage); + } + + LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) while (iter.next()) { iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint()); @@ -1572,7 +1580,7 @@ void SkCanvas::drawPaint(const SkPaint& paint) { void SkCanvas::internalDrawPaint(const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type, NULL) while (iter.next()) { iter.fDevice->drawPaint(iter, looper.paint()); @@ -1589,23 +1597,24 @@ void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], CHECK_SHADER_NOSETCONTEXT(paint); + SkRect r, storage; + const SkRect* bounds = NULL; if (paint.canComputeFastBounds()) { - SkRect r; // special-case 2 points (common for drawing a single line) if (2 == count) { r.set(pts[0], pts[1]); } else { r.set(pts, SkToInt(count)); } - SkRect storage; - if (this->quickReject(paint.computeFastStrokeBounds(r, &storage))) { + bounds = &paint.computeFastStrokeBounds(r, &storage); + if (this->quickReject(*bounds)) { return; } } SkASSERT(pts != NULL); - LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds) while (iter.next()) { iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint()); @@ -1617,14 +1626,16 @@ void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); + SkRect storage; + const SkRect* bounds = NULL; if (paint.canComputeFastBounds()) { - SkRect storage; - if (this->quickReject(paint.computeFastBounds(r, &storage))) { + bounds = &paint.computeFastBounds(r, &storage); + if (this->quickReject(*bounds)) { return; } } - LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, bounds) while (iter.next()) { iter.fDevice->drawRect(iter, r, looper.paint()); @@ -1636,14 +1647,16 @@ void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); + SkRect storage; + const SkRect* bounds = NULL; if (paint.canComputeFastBounds()) { - SkRect storage; - if (this->quickReject(paint.computeFastBounds(oval, &storage))) { + bounds = &paint.computeFastBounds(oval, &storage); + if (this->quickReject(*bounds)) { return; } } - LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, bounds) while (iter.next()) { iter.fDevice->drawOval(iter, oval, looper.paint()); @@ -1655,9 +1668,11 @@ void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); + SkRect storage; + const SkRect* bounds = NULL; if (paint.canComputeFastBounds()) { - SkRect storage; - if (this->quickReject(paint.computeFastBounds(rrect.getBounds(), &storage))) { + bounds = &paint.computeFastBounds(rrect.getBounds(), &storage); + if (this->quickReject(*bounds)) { return; } } @@ -1672,7 +1687,7 @@ void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { return; } - LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) while (iter.next()) { iter.fDevice->drawRRect(iter, rrect, looper.paint()); @@ -1689,10 +1704,12 @@ void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { return; } + SkRect storage; + const SkRect* bounds = NULL; if (!path.isInverseFillType() && paint.canComputeFastBounds()) { - SkRect storage; - const SkRect& bounds = path.getBounds(); - if (this->quickReject(paint.computeFastBounds(bounds, &storage))) { + const SkRect& pathBounds = path.getBounds(); + bounds = &paint.computeFastBounds(pathBounds, &storage); + if (this->quickReject(*bounds)) { return; } } @@ -1703,7 +1720,7 @@ void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { return; } - LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds) while (iter.next()) { iter.fDevice->drawPath(iter, path, looper.paint()); @@ -1745,9 +1762,9 @@ void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, CHECK_LOCKCOUNT_BALANCE(bitmap); + SkRect storage; + const SkRect* bounds = &dst; if (NULL == paint || paint->canComputeFastBounds()) { - SkRect storage; - const SkRect* bounds = &dst; if (paint) { bounds = &paint->computeFastBounds(dst, &storage); } @@ -1761,7 +1778,7 @@ void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, paint = lazy.init(); } - LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type) + LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) while (iter.next()) { iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), flags); @@ -1955,7 +1972,7 @@ void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kText_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) while (iter.next()) { SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); @@ -1971,7 +1988,7 @@ void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[], const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kText_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) while (iter.next()) { SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); @@ -1987,7 +2004,7 @@ void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kText_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) while (iter.next()) { SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); @@ -2003,7 +2020,7 @@ void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kText_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) while (iter.next()) { iter.fDevice->drawTextOnPath(iter, text, byteLength, path, @@ -2020,7 +2037,7 @@ void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, const SkPaint& paint) { CHECK_SHADER_NOSETCONTEXT(paint); - LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type) + LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) while (iter.next()) { iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |