static SkBitmap deepSkBitmapCopy(const SkBitmap& bitmap)
{
SkBitmap tmp;
if (!bitmap.deepCopyTo(&tmp, bitmap.config()))
bitmap.copyTo(&tmp, bitmap.config());
return tmp;
}
PassRefPtr<BitmapImageSingleFrameSkia> BitmapImageSingleFrameSkia::create(const SkBitmap& bitmap, bool copyPixels, float resolutionScale)
{
if (copyPixels) {
SkBitmap temp;
if (!bitmap.deepCopyTo(&temp, bitmap.config()))
bitmap.copyTo(&temp, bitmap.config());
return adoptRef(new BitmapImageSingleFrameSkia(temp, resolutionScale));
}
return adoptRef(new BitmapImageSingleFrameSkia(bitmap, resolutionScale));
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
SkScalar horizMargin(SkIntToScalar(10));
SkScalar vertMargin(SkIntToScalar(10));
SkBitmapDevice devTmp(SkBitmap::kARGB_8888_Config, 40, 40, false);
SkCanvas canvasTmp(&devTmp);
draw_checks(&canvasTmp, 40, 40);
SkBitmap src = canvasTmp.getTopDevice()->accessBitmap(false);
for (unsigned i = 0; i < NUM_CONFIGS; ++i) {
if (!src.deepCopyTo(&fDst[i], gConfigs[i])) {
src.copyTo(&fDst[i], gConfigs[i]);
}
}
canvas->clear(0xFFDDDDDD);
paint.setAntiAlias(true);
SkScalar width = SkIntToScalar(40);
SkScalar height = SkIntToScalar(40);
if (paint.getFontSpacing() > height) {
height = paint.getFontSpacing();
}
for (unsigned i = 0; i < NUM_CONFIGS; i++) {
const char* name = gConfigNames[src.config()];
SkScalar textWidth = paint.measureText(name, strlen(name));
if (textWidth > width) {
width = textWidth;
}
}
SkScalar horizOffset = width + horizMargin;
SkScalar vertOffset = height + vertMargin;
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
for (unsigned i = 0; i < NUM_CONFIGS; i++) {
canvas->save();
// Draw destination config name
const char* name = gConfigNames[fDst[i].config()];
SkScalar textWidth = paint.measureText(name, strlen(name));
SkScalar x = (width - textWidth) / SkScalar(2);
SkScalar y = paint.getFontSpacing() / SkScalar(2);
canvas->drawText(name, strlen(name), x, y, paint);
// Draw destination bitmap
canvas->translate(0, vertOffset);
x = (width - 40) / SkScalar(2);
canvas->drawBitmap(fDst[i], x, 0, &paint);
canvas->restore();
canvas->translate(horizOffset, 0);
}
}
SkPDFImage::SkPDFImage(SkStream* stream,
const SkBitmap& bitmap,
bool isAlpha,
const SkIRect& srcRect)
: fIsAlpha(isAlpha),
fSrcRect(srcRect) {
if (bitmap.isImmutable()) {
fBitmap = bitmap;
} else {
bitmap.deepCopyTo(&fBitmap);
fBitmap.setImmutable();
}
if (stream != NULL) {
this->setData(stream);
fStreamValid = true;
} else {
fStreamValid = false;
}
SkColorType colorType = fBitmap.colorType();
insertName("Type", "XObject");
insertName("Subtype", "Image");
bool alphaOnly = (kAlpha_8_SkColorType == colorType);
if (!isAlpha && alphaOnly) {
// For alpha only images, we stretch a single pixel of black for
// the color/shape part.
SkAutoTUnref<SkPDFInt> one(new SkPDFInt(1));
insert("Width", one.get());
insert("Height", one.get());
} else {
insertInt("Width", fSrcRect.width());
insertInt("Height", fSrcRect.height());
}
if (isAlpha || alphaOnly) {
insertName("ColorSpace", "DeviceGray");
} else if (kIndex_8_SkColorType == colorType) {
SkAutoLockPixels alp(fBitmap);
insert("ColorSpace",
make_indexed_color_space(fBitmap.getColorTable()))->unref();
} else {
insertName("ColorSpace", "DeviceRGB");
}
int bitsPerComp = 8;
if (kARGB_4444_SkColorType == colorType) {
bitsPerComp = 4;
}
insertInt("BitsPerComponent", bitsPerComp);
if (kRGB_565_SkColorType == colorType) {
SkASSERT(!isAlpha);
SkAutoTUnref<SkPDFInt> zeroVal(new SkPDFInt(0));
SkAutoTUnref<SkPDFScalar> scale5Val(
new SkPDFScalar(8.2258f)); // 255/2^5-1
SkAutoTUnref<SkPDFScalar> scale6Val(
new SkPDFScalar(4.0476f)); // 255/2^6-1
SkAutoTUnref<SkPDFArray> decodeValue(new SkPDFArray());
decodeValue->reserve(6);
decodeValue->append(zeroVal.get());
decodeValue->append(scale5Val.get());
decodeValue->append(zeroVal.get());
decodeValue->append(scale6Val.get());
decodeValue->append(zeroVal.get());
decodeValue->append(scale5Val.get());
insert("Decode", decodeValue.get());
}
}
// Stripped down version of TestBitmapCopy that checks basic fields (width, height, config, genID)
// to ensure that they were copied properly.
static void TestGpuBitmapCopy(skiatest::Reporter* reporter, GrContextFactory* factory) {
#ifdef SK_BUILD_FOR_ANDROID // https://code.google.com/p/skia/issues/detail?id=753
return;
#endif
for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
GrContextFactory::GLContextType glType = static_cast<GrContextFactory::GLContextType>(type);
if (!GrContextFactory::IsRenderingGLContext(glType)) {
continue;
}
GrContext* grContext = factory->get(glType);
if (NULL == grContext) {
continue;
}
if (NULL == grContext) {
return;
}
static const Pair gPairs[] = {
{ SkBitmap::kNo_Config, "000" },
{ SkBitmap::kARGB_4444_Config, "011" },
{ SkBitmap::kARGB_8888_Config, "011" },
};
const int W = 20;
const int H = 33;
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
SkBitmap src, dst;
SkGpuDevice* device = SkNEW_ARGS(SkGpuDevice, (grContext, gPairs[i].fConfig, W, H));
SkAutoUnref aur(device);
src = device->accessBitmap(false);
device->clear(SK_ColorWHITE);
// Draw something different to the same portion of the bitmap that we will extract as a
// subset, so that comparing the pixels of the subset will be meaningful.
SkIRect subsetRect = SkIRect::MakeLTRB(W/2, H/2, W, H);
SkCanvas drawingCanvas(device);
SkPaint paint;
paint.setColor(SK_ColorRED);
drawingCanvas.drawRect(SkRect::MakeFromIRect(subsetRect), paint);
// Extract a subset. If this succeeds we will test copying the subset.
SkBitmap subset;
const bool extracted = src.extractSubset(&subset, subsetRect);
for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
dst.reset();
bool success = src.deepCopyTo(&dst, gPairs[j].fConfig);
bool expected = gPairs[i].fValid[j] != '0';
if (success != expected) {
SkString str;
str.printf("SkBitmap::deepCopyTo from %s to %s. expected %s returned %s",
gConfigName[i], gConfigName[j], boolStr(expected),
boolStr(success));
reporter->reportFailed(str);
}
bool canSucceed = src.canCopyTo(gPairs[j].fConfig);
if (success != canSucceed) {
SkString str;
str.printf("SkBitmap::deepCopyTo from %s to %s returned %s,"
"but canCopyTo returned %s",
gConfigName[i], gConfigName[j], boolStr(success),
boolStr(canSucceed));
reporter->reportFailed(str);
}
TestIndividualCopy(reporter, gPairs[j].fConfig, success, src, dst);
// Test copying the subset bitmap, using both copyTo and deepCopyTo.
if (extracted) {
SkBitmap subsetCopy;
success = subset.copyTo(&subsetCopy, gPairs[j].fConfig);
REPORTER_ASSERT(reporter, success == expected);
REPORTER_ASSERT(reporter, success == canSucceed);
TestIndividualCopy(reporter, gPairs[j].fConfig, success, subset, subsetCopy,
false);
// Reset the bitmap so that a failed copyTo will leave it in the expected state.
subsetCopy.reset();
success = subset.deepCopyTo(&subsetCopy, gPairs[j].fConfig);
REPORTER_ASSERT(reporter, success == expected);
REPORTER_ASSERT(reporter, success == canSucceed);
TestIndividualCopy(reporter, gPairs[j].fConfig, success, subset, subsetCopy,
true);
}
} // for (size_t j = ...
} // for (size_t i = ...
} // GrContextFactory::GLContextType
}
