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Unified Diff: src/core/SkDraw.cpp

Issue 1168303006: Revert[2] SkDraw and all Blitters to use pixmap instead of bitmapi (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: add dox to new test Created 5 years, 6 months ago
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Index: src/core/SkDraw.cpp
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index ac696808112fa5af4bbc08da717b3de9d3b6dd25..0069087a92dc82da50f82e85c57fe14727197cf0 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -44,20 +44,18 @@ public:
SkAutoBlitterChoose() {
fBlitter = NULL;
}
- SkAutoBlitterChoose(const SkBitmap& device, const SkMatrix& matrix,
+ SkAutoBlitterChoose(const SkPixmap& dst, const SkMatrix& matrix,
const SkPaint& paint, bool drawCoverage = false) {
- fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator,
- drawCoverage);
+ fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage);
}
-
+
SkBlitter* operator->() { return fBlitter; }
SkBlitter* get() const { return fBlitter; }
- void choose(const SkBitmap& device, const SkMatrix& matrix,
+ void choose(const SkPixmap& dst, const SkMatrix& matrix,
const SkPaint& paint, bool drawCoverage = false) {
SkASSERT(!fBlitter);
- fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator,
- drawCoverage);
+ fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage);
}
private:
@@ -152,8 +150,7 @@ static void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) {
memset(pixels, data, bytes);
}
-static BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap,
- const SkPaint& paint,
+static BitmapXferProc ChooseBitmapXferProc(const SkPixmap& dst, const SkPaint& paint,
uint32_t* data) {
// todo: we can apply colorfilter up front if no shader, so we wouldn't
// need to abort this fastpath
@@ -190,7 +187,7 @@ static BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap,
should I worry about dithering for the lower depths?
*/
SkPMColor pmc = SkPreMultiplyColor(color);
- switch (bitmap.colorType()) {
+ switch (dst.colorType()) {
case kN32_SkColorType:
if (data) {
*data = pmc;
@@ -220,10 +217,10 @@ static BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap,
return NULL;
}
-static void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect,
- BitmapXferProc proc, uint32_t procData) {
+static void CallBitmapXferProc(const SkPixmap& dst, const SkIRect& rect, BitmapXferProc proc,
+ uint32_t procData) {
int shiftPerPixel;
- switch (bitmap.colorType()) {
+ switch (dst.colorType()) {
case kN32_SkColorType:
shiftPerPixel = 2;
break;
@@ -238,9 +235,9 @@ static void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect,
return;
}
- uint8_t* pixels = (uint8_t*)bitmap.getPixels();
+ uint8_t* pixels = (uint8_t*)dst.writable_addr();
SkASSERT(pixels);
- const size_t rowBytes = bitmap.rowBytes();
+ const size_t rowBytes = dst.rowBytes();
const int widthBytes = rect.width() << shiftPerPixel;
// skip down to the first scanline and X position
@@ -259,7 +256,7 @@ void SkDraw::drawPaint(const SkPaint& paint) const {
}
SkIRect devRect;
- devRect.set(0, 0, fBitmap->width(), fBitmap->height());
+ devRect.set(0, 0, fDst.width(), fDst.height());
if (fRC->isBW()) {
/* If we don't have a shader (i.e. we're just a solid color) we may
@@ -269,7 +266,7 @@ void SkDraw::drawPaint(const SkPaint& paint) const {
in the clip, we don't have to worry about antialiasing.
*/
uint32_t procData = 0; // to avoid the warning
- BitmapXferProc proc = ChooseBitmapXferProc(*fBitmap, paint, &procData);
+ BitmapXferProc proc = ChooseBitmapXferProc(fDst, paint, &procData);
if (proc) {
if (D_Dst_BitmapXferProc == proc) { // nothing to do
return;
@@ -277,7 +274,7 @@ void SkDraw::drawPaint(const SkPaint& paint) const {
SkRegion::Iterator iter(fRC->bwRgn());
while (!iter.done()) {
- CallBitmapXferProc(*fBitmap, iter.rect(), proc, procData);
+ CallBitmapXferProc(fDst, iter.rect(), proc, procData);
iter.next();
}
return;
@@ -285,7 +282,7 @@ void SkDraw::drawPaint(const SkPaint& paint) const {
}
// normal case: use a blitter
- SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint);
+ SkAutoBlitterChoose blitter(fDst, *fMatrix, paint);
SkScan::FillIRect(devRect, *fRC, blitter.get());
}
@@ -331,11 +328,11 @@ static void bw_pt_rect_16_hair_proc(const PtProcRec& rec,
SkASSERT(rec.fRC->isRect());
const SkIRect& r = rec.fRC->getBounds();
uint32_t value;
- const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value);
- SkASSERT(bitmap);
+ const SkPixmap* dst = blitter->justAnOpaqueColor(&value);
+ SkASSERT(dst);
- uint16_t* addr = bitmap->getAddr16(0, 0);
- size_t rb = bitmap->rowBytes();
+ uint16_t* addr = dst->writable_addr16(0, 0);
+ size_t rb = dst->rowBytes();
for (int i = 0; i < count; i++) {
int x = SkScalarFloorToInt(devPts[i].fX);
@@ -352,11 +349,11 @@ static void bw_pt_rect_32_hair_proc(const PtProcRec& rec,
SkASSERT(rec.fRC->isRect());
const SkIRect& r = rec.fRC->getBounds();
uint32_t value;
- const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value);
- SkASSERT(bitmap);
+ const SkPixmap* dst = blitter->justAnOpaqueColor(&value);
+ SkASSERT(dst);
- SkPMColor* addr = bitmap->getAddr32(0, 0);
- size_t rb = bitmap->rowBytes();
+ SkPMColor* addr = dst->writable_addr32(0, 0);
+ size_t rb = dst->rowBytes();
for (int i = 0; i < count; i++) {
int x = SkScalarFloorToInt(devPts[i].fX);
@@ -512,7 +509,7 @@ PtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) {
if (fRadius <= SK_FixedHalf) { // small radii and hairline
if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) {
uint32_t value;
- const SkBitmap* bm = blitter->justAnOpaqueColor(&value);
+ const SkPixmap* bm = blitter->justAnOpaqueColor(&value);
if (bm && kRGB_565_SkColorType == bm->colorType()) {
proc = bw_pt_rect_16_hair_proc;
} else if (bm && kN32_SkColorType == bm->colorType()) {
@@ -559,7 +556,7 @@ void SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count,
PtProcRec rec;
if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) {
- SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint);
+ SkAutoBlitterChoose blitter(fDst, *fMatrix, paint);
SkPoint devPts[MAX_DEV_PTS];
const SkMatrix* matrix = fMatrix;
@@ -853,14 +850,14 @@ void SkDraw::drawRect(const SkRect& prePaintRect, const SkPaint& paint,
return;
}
- SkDeviceLooper looper(*fBitmap, *fRC, ir, paint.isAntiAlias());
+ SkDeviceLooper looper(fDst, *fRC, ir, paint.isAntiAlias());
while (looper.next()) {
SkRect localDevRect;
looper.mapRect(&localDevRect, devRect);
SkMatrix localMatrix;
looper.mapMatrix(&localMatrix, *matrix);
- SkAutoBlitterChoose blitterStorage(looper.getBitmap(), localMatrix, paint);
+ SkAutoBlitterChoose blitterStorage(looper.getPixmap(), localMatrix, paint);
const SkRasterClip& clip = looper.getRC();
SkBlitter* blitter = blitterStorage.get();
@@ -911,7 +908,7 @@ void SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const {
}
SkAutoMaskFreeImage ami(dstM.fImage);
- SkAutoBlitterChoose blitterChooser(*fBitmap, *fMatrix, paint);
+ SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint);
SkBlitter* blitter = blitterChooser.get();
SkAAClipBlitterWrapper wrapper;
@@ -989,7 +986,7 @@ void SkDraw::drawRRect(const SkRRect& rrect, const SkPaint& paint) const {
// Transform the rrect into device space.
SkRRect devRRect;
if (rrect.transform(*fMatrix, &devRRect)) {
- SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint);
+ SkAutoBlitterChoose blitter(fDst, *fMatrix, paint);
if (paint.getMaskFilter()->filterRRect(devRRect, *fMatrix, *fRC, blitter.get(),
SkPaint::kFill_Style)) {
return; // filterRRect() called the blitter, so we're done
@@ -1108,7 +1105,7 @@ void SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint,
SkBlitter* blitter = NULL;
SkAutoBlitterChoose blitterStorage;
if (NULL == customBlitter) {
- blitterStorage.choose(*fBitmap, *fMatrix, *paint, drawCoverage);
+ blitterStorage.choose(fDst, *fMatrix, *paint, drawCoverage);
blitter = blitterStorage.get();
} else {
blitter = customBlitter;
@@ -1182,7 +1179,7 @@ void SkDraw::drawBitmapAsMask(const SkBitmap& bitmap,
// clipped to the actual device
{
SkIRect devBounds;
- devBounds.set(0, 0, fBitmap->width(), fBitmap->height());
+ devBounds.set(0, 0, fDst.width(), fDst.height());
// need intersect(l, t, r, b) on irect
if (!mask.fBounds.intersect(devBounds)) {
return;
@@ -1280,13 +1277,9 @@ void SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix,
int ix = SkScalarRoundToInt(matrix.getTranslateX());
int iy = SkScalarRoundToInt(matrix.getTranslateY());
if (clipHandlesSprite(*fRC, ix, iy, pmap)) {
- SkPixmap dstPM;
- if (!fBitmap->peekPixels(&dstPM)) {
- return;
- }
SkTBlitterAllocator allocator;
// blitter will be owned by the allocator.
- SkBlitter* blitter = SkBlitter::ChooseSprite(dstPM, paint, pmap, ix, iy, &allocator);
+ SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, paint, pmap, ix, iy, &allocator);
if (blitter) {
SkScan::FillIRect(SkIRect::MakeXYWH(ix, iy, pmap.width(), pmap.height()),
*fRC, blitter);
@@ -1341,13 +1334,9 @@ void SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint& ori
const SkPixmap& pmap = unlocker.pixmap();
if (NULL == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, pmap)) {
- SkPixmap dstPM;
- if (!fBitmap->peekPixels(&dstPM)) {
- return;
- }
SkTBlitterAllocator allocator;
// blitter will be owned by the allocator.
- SkBlitter* blitter = SkBlitter::ChooseSprite(dstPM, paint, pmap, x, y, &allocator);
+ SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, paint, pmap, x, y, &allocator);
if (blitter) {
SkScan::FillIRect(bounds, *fRC, blitter);
return;
@@ -1646,7 +1635,7 @@ void SkDraw::drawText(const char text[], size_t byteLength,
SkAutoBlitterChoose blitterChooser;
SkBlitter* blitter = NULL;
if (needsRasterTextBlit(*this)) {
- blitterChooser.choose(*fBitmap, *fMatrix, paint);
+ blitterChooser.choose(fDst, *fMatrix, paint);
blitter = blitterChooser.get();
if (fRC->isAA()) {
aaBlitter.init(blitter, &fRC->aaRgn());
@@ -1765,7 +1754,7 @@ void SkDraw::drawPosText(const char text[], size_t byteLength,
SkAutoBlitterChoose blitterChooser;
SkBlitter* blitter = NULL;
if (needsRasterTextBlit(*this)) {
- blitterChooser.choose(*fBitmap, *fMatrix, paint);
+ blitterChooser.choose(fDst, *fMatrix, paint);
blitter = blitterChooser.get();
if (fRC->isAA()) {
wrapper.init(*fRC, blitter);
@@ -2095,7 +2084,7 @@ void SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count,
}
}
- SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, p);
+ SkAutoBlitterChoose blitter(fDst, *fMatrix, p);
// Abort early if we failed to create a shader context.
if (blitter->isNullBlitter()) {
return;
@@ -2166,7 +2155,6 @@ void SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count,
#ifdef SK_DEBUG
void SkDraw::validate() const {
- SkASSERT(fBitmap != NULL);
SkASSERT(fMatrix != NULL);
SkASSERT(fClip != NULL);
SkASSERT(fRC != NULL);
@@ -2174,7 +2162,7 @@ void SkDraw::validate() const {
const SkIRect& cr = fRC->getBounds();
SkIRect br;
- br.set(0, 0, fBitmap->width(), fBitmap->height());
+ br.set(0, 0, fDst.width(), fDst.height());
SkASSERT(cr.isEmpty() || br.contains(cr));
}
@@ -2230,22 +2218,20 @@ static bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds,
return true;
}
-static void draw_into_mask(const SkMask& mask, const SkPath& devPath,
- SkPaint::Style style) {
- SkBitmap bm;
- SkDraw draw;
+static void draw_into_mask(const SkMask& mask, const SkPath& devPath, SkPaint::Style style) {
+ SkDraw draw;
+ if (!draw.fDst.reset(mask)) {
+ return;
+ }
+
SkRasterClip clip;
SkMatrix matrix;
SkPaint paint;
- bm.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(), mask.fBounds.height()),
- mask.fImage, mask.fRowBytes);
-
clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height()));
matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft),
-SkIntToScalar(mask.fBounds.fTop));
- draw.fBitmap = &bm;
draw.fRC = &clip;
draw.fClip = &clip.bwRgn();
draw.fMatrix = &matrix;
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