static bool SK_WARN_UNUSED_RESULT flatten(const SkImage& image, Json::Value* target,
bool sendBinaries) {
if (sendBinaries) {
- SkData* png = image.encode(SkImageEncoder::kPNG_Type, 100);
- if (png == nullptr) {
- SkDebugf("could not encode image\n");
- return false;
+ SkData* encoded = image.encode(SkImageEncoder::kPNG_Type, 100);
+ if (encoded == nullptr) {
+ // PNG encode doesn't necessarily support all color formats, convert to a different
+ // format
+ size_t rowBytes = 4 * image.width();
+ void* buffer = sk_malloc_throw(rowBytes * image.height());
+ SkImageInfo dstInfo = SkImageInfo::Make(image.width(), image.height(),
+ kN32_SkColorType, kPremul_SkAlphaType);
+ if (!image.readPixels(dstInfo, buffer, rowBytes, 0, 0)) {
+ SkDebugf("readPixels failed\n");
+ return false;
+ }
+ SkImage* converted = SkImage::NewRasterCopy(dstInfo, buffer, rowBytes);
+ encoded = converted->encode(SkImageEncoder::kPNG_Type, 100);
+ if (encoded == nullptr) {
+ SkDebugf("image encode failed\n");
+ return false;
+ }
+ free(converted);
+ free(buffer);
}
Json::Value bytes;
- encode_data(png->data(), png->size(), &bytes);
+ encode_data(encoded->data(), encoded->size(), &bytes);
(*target)[SKJSONCANVAS_ATTRIBUTE_BYTES] = bytes;
- png->unref();
+ encoded->unref();
}
else {
SkString description = SkStringPrintf("%dx%d pixel image", image.width(), image.height());
return true;
}
+static const char* color_type_name(SkColorType colorType) {
+ switch (colorType) {
+ case kARGB_4444_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_ARGB4444;
+ case kRGBA_8888_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_RGBA8888;
+ case kBGRA_8888_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_BGRA8888;
+ case kRGB_565_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_565;
+ case kGray_8_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_GRAY8;
+ case kIndex_8_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_INDEX8;
+ case kAlpha_8_SkColorType:
+ return SKJSONCANVAS_COLORTYPE_ALPHA8;
+ default:
+ SkASSERT(false);
+ return SKJSONCANVAS_COLORTYPE_RGBA8888;
+ }
+}
+
+static const char* alpha_type_name(SkAlphaType alphaType) {
+ switch (alphaType) {
+ case kOpaque_SkAlphaType:
+ return SKJSONCANVAS_ALPHATYPE_OPAQUE;
+ case kPremul_SkAlphaType:
+ return SKJSONCANVAS_ALPHATYPE_PREMUL;
+ case kUnpremul_SkAlphaType:
+ return SKJSONCANVAS_ALPHATYPE_UNPREMUL;
+ default:
+ SkASSERT(false);
+ return SKJSONCANVAS_ALPHATYPE_OPAQUE;
+ }
+}
+
static bool SK_WARN_UNUSED_RESULT flatten(const SkBitmap& bitmap, Json::Value* target,
bool sendBinaries) {
- SkImage* image = SkImage::NewFromBitmap(bitmap);
+ bitmap.lockPixels();
+ SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap));
+ bitmap.unlockPixels();
+ (*target)[SKJSONCANVAS_ATTRIBUTE_COLOR] = Json::Value(color_type_name(bitmap.colorType()));
+ (*target)[SKJSONCANVAS_ATTRIBUTE_ALPHA] = Json::Value(alpha_type_name(bitmap.alphaType()));
bool success = flatten(*image, target, sendBinaries);
- image->unref();
return success;
}
}
}
+static void apply_paint_imagefilter(const SkPaint& paint, Json::Value* target, bool sendBinaries) {
+ SkFlattenable* imageFilter = paint.getImageFilter();
+ if (imageFilter != nullptr) {
+ Json::Value jsonImageFilter;
+ flatten(imageFilter, &jsonImageFilter, sendBinaries);
+ (*target)[SKJSONCANVAS_ATTRIBUTE_IMAGEFILTER] = jsonImageFilter;
+ }
+}
+
Json::Value SkJSONCanvas::makePaint(const SkPaint& paint) {
Json::Value result(Json::objectValue);
store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_STROKEWIDTH, paint.getStrokeWidth(), 0.0f);
apply_paint_maskfilter(paint, &result, fSendBinaries);
apply_paint_shader(paint, &result, fSendBinaries);
apply_paint_xfermode(paint, &result, fSendBinaries);
+ apply_paint_imagefilter(paint, &result, fSendBinaries);
return result;
}
this->updateMatrix();
Json::Value command(Json::objectValue);
command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_BITMAPRECT);
- command[SKJSONCANVAS_ATTRIBUTE_IMAGE] = encoded;
+ command[SKJSONCANVAS_ATTRIBUTE_BITMAP] = encoded;
if (src != nullptr) {
command[SKJSONCANVAS_ATTRIBUTE_SRC] = this->makeRect(*src);
}
}
SkCanvas::SaveLayerStrategy SkJSONCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
+ this->updateMatrix();
Json::Value command(Json::objectValue);
command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_SAVELAYER);
if (rec.fBounds != nullptr) {
#define SKJSONCANVAS_ATTRIBUTE_PATH "path"
#define SKJSONCANVAS_ATTRIBUTE_TEXT "text"
#define SKJSONCANVAS_ATTRIBUTE_COLOR "color"
+#define SKJSONCANVAS_ATTRIBUTE_ALPHA "alpha"
#define SKJSONCANVAS_ATTRIBUTE_STYLE "style"
#define SKJSONCANVAS_ATTRIBUTE_STROKEWIDTH "strokeWidth"
#define SKJSONCANVAS_ATTRIBUTE_STROKEMITER "strokeMiter"
#define SKJSONCANVAS_ATTRIBUTE_MASKFILTER "maskFilter"
#define SKJSONCANVAS_ATTRIBUTE_XFERMODE "xfermode"
#define SKJSONCANVAS_ATTRIBUTE_BACKDROP "backdrop"
+#define SKJSONCANVAS_ATTRIBUTE_IMAGEFILTER "imagefilter"
#define SKJSONCANVAS_ATTRIBUTE_IMAGE "image"
#define SKJSONCANVAS_ATTRIBUTE_BITMAP "bitmap"
#define SKJSONCANVAS_ATTRIBUTE_SRC "src"
#define SKJSONCANVAS_CAP_ROUND "round"
#define SKJSONCANVAS_CAP_SQUARE "square"
+#define SKJSONCANVAS_COLORTYPE_ARGB4444 "ARGB4444"
+#define SKJSONCANVAS_COLORTYPE_RGBA8888 "RGBA8888"
+#define SKJSONCANVAS_COLORTYPE_BGRA8888 "BGRA8888"
+#define SKJSONCANVAS_COLORTYPE_565 "565"
+#define SKJSONCANVAS_COLORTYPE_GRAY8 "Gray8"
+#define SKJSONCANVAS_COLORTYPE_INDEX8 "Index8"
+#define SKJSONCANVAS_COLORTYPE_ALPHA8 "Alpha8"
+
+#define SKJSONCANVAS_ALPHATYPE_OPAQUE "opaque"
+#define SKJSONCANVAS_ALPHATYPE_PREMUL "premul"
+#define SKJSONCANVAS_ALPHATYPE_UNPREMUL "unpremul"
+
/*
* Implementation of SkCanvas which writes JSON when drawn to. The JSON describes all of the draw
* commands issued to the canvas, and can later be turned back into draw commands using
const char* name = jsonFlattenable[SKJSONCANVAS_ATTRIBUTE_NAME].asCString();
SkFlattenable::Factory factory = SkFlattenable::NameToFactory(name);
if (factory == nullptr) {
+ SkDebugf("no factory for loading '%s'\n", name);
return nullptr;
}
void* data;
SkFlattenable* result = factory(buffer);
free(data);
if (!buffer.isValid()) {
+ SkDebugf("invalid buffer loading flattenable\n");
return nullptr;
}
return result;
}
+static SkColorType colortype_from_name(const char* name) {
+ if (!strcmp(name, SKJSONCANVAS_COLORTYPE_ARGB4444)) {
+ return kARGB_4444_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_RGBA8888)) {
+ return kRGBA_8888_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_BGRA8888)) {
+ return kBGRA_8888_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_565)) {
+ return kRGB_565_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_GRAY8)) {
+ return kGray_8_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_INDEX8)) {
+ return kIndex_8_SkColorType;
+ }
+ else if (!strcmp(name, SKJSONCANVAS_COLORTYPE_ALPHA8)) {
+ return kAlpha_8_SkColorType;
+ }
+ SkASSERT(false);
+ return kN32_SkColorType;
+}
+
+static SkBitmap* convert_colortype(SkBitmap* bitmap, SkColorType colorType) {
+ if (bitmap->colorType() == colorType ) {
+ return bitmap;
+ }
+ SkBitmap* dst = new SkBitmap();
+ if (bitmap->copyTo(dst, colorType)) {
+ delete bitmap;
+ return dst;
+ }
+ SkASSERT(false);
+ delete dst;
+ return bitmap;
+}
+
// caller is responsible for freeing return value
-static SkBitmap* load_bitmap(Json::Value jsonBitmap) {
+static SkBitmap* load_bitmap(const Json::Value& jsonBitmap) {
if (!jsonBitmap.isMember(SKJSONCANVAS_ATTRIBUTE_BYTES)) {
+ SkDebugf("invalid bitmap\n");
return nullptr;
}
void* data;
free(decoder);
if (result != SkImageDecoder::kFailure) {
free(data);
+ if (jsonBitmap.isMember(SKJSONCANVAS_ATTRIBUTE_COLOR)) {
+ const char* ctName = jsonBitmap[SKJSONCANVAS_ATTRIBUTE_COLOR].asCString();
+ SkColorType ct = colortype_from_name(ctName);
+ if (ct != kIndex_8_SkColorType) {
+ bitmap = convert_colortype(bitmap, ct);
+ }
+ }
return bitmap;
}
- SkDebugf("image decode failed");
+ SkDebugf("image decode failed\n");
free(data);
return nullptr;
}
-static SkImage* load_image(Json::Value jsonImage) {
+static SkImage* load_image(const Json::Value& jsonImage) {
SkBitmap* bitmap = load_bitmap(jsonImage);
if (bitmap == nullptr) {
return nullptr;
}
SkImage* result = SkImage::NewFromBitmap(*bitmap);
- free(bitmap);
+ delete bitmap;
return result;
}
}
}
+static void apply_paint_imagefilter(Json::Value& jsonPaint, SkPaint* target) {
+ if (jsonPaint.isMember(SKJSONCANVAS_ATTRIBUTE_IMAGEFILTER)) {
+ Json::Value jsonImageFilter = jsonPaint[SKJSONCANVAS_ATTRIBUTE_IMAGEFILTER];
+ SkImageFilter* imageFilter = (SkImageFilter*) load_flattenable(jsonImageFilter);
+ if (imageFilter != nullptr) {
+ target->setImageFilter(imageFilter);
+ imageFilter->unref();
+ }
+ }
+}
+
static void apply_paint_style(Json::Value& jsonPaint, SkPaint* target) {
if (jsonPaint.isMember(SKJSONCANVAS_ATTRIBUTE_STYLE)) {
const char* style = jsonPaint[SKJSONCANVAS_ATTRIBUTE_STYLE].asCString();
apply_paint_patheffect(jsonPaint, result);
apply_paint_maskfilter(jsonPaint, result);
apply_paint_xfermode(jsonPaint, result);
+ apply_paint_imagefilter(jsonPaint, result);
apply_paint_style(jsonPaint, result);
apply_paint_strokewidth(jsonPaint, result);
apply_paint_strokemiter(jsonPaint, result);