| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkJSONCanvas.h" |
| #include "SkColorFilter.h" |
| #include "SkImageFilter.h" |
| #include "SkMaskFilter.h" |
| #include "SkPaintDefaults.h" |
| #include "SkPath.h" |
| #include "SkPathEffect.h" |
| #include "SkRRect.h" |
| #include "SkTextBlob.h" |
| #include "SkTextBlobRunIterator.h" |
| #include "SkTypeface.h" |
| #include "SkWriteBuffer.h" |
| |
| SkJSONCanvas::SkJSONCanvas(int width, int height, SkWStream& out, bool sendBinaries) |
| : INHERITED(width, height) |
| , fOut(out) |
| , fRoot(Json::objectValue) |
| , fCommands(Json::arrayValue) |
| , fSendBinaries(sendBinaries) { |
| fRoot[SKJSONCANVAS_VERSION] = Json::Value(1); |
| } |
| |
| void SkJSONCanvas::finish() { |
| fRoot[SKJSONCANVAS_COMMANDS] = fCommands; |
| fOut.writeText(Json::FastWriter().write(fRoot).c_str()); |
| } |
| |
| Json::Value SkJSONCanvas::makePoint(const SkPoint& point) { |
| Json::Value result(Json::arrayValue); |
| result.append(Json::Value(point.x())); |
| result.append(Json::Value(point.y())); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makePoint(SkScalar x, SkScalar y) { |
| Json::Value result(Json::arrayValue); |
| result.append(Json::Value(x)); |
| result.append(Json::Value(y)); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makeRect(const SkRect& rect) { |
| Json::Value result(Json::arrayValue); |
| result.append(Json::Value(rect.left())); |
| result.append(Json::Value(rect.top())); |
| result.append(Json::Value(rect.right())); |
| result.append(Json::Value(rect.bottom())); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makeRRect(const SkRRect& rrect) { |
| Json::Value result(Json::arrayValue); |
| result.append(this->makeRect(rrect.rect())); |
| result.append(this->makePoint(rrect.radii(SkRRect::kUpperLeft_Corner))); |
| result.append(this->makePoint(rrect.radii(SkRRect::kUpperRight_Corner))); |
| result.append(this->makePoint(rrect.radii(SkRRect::kLowerRight_Corner))); |
| result.append(this->makePoint(rrect.radii(SkRRect::kLowerLeft_Corner))); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makePath(const SkPath& path) { |
| Json::Value result(Json::objectValue); |
| switch (path.getFillType()) { |
| case SkPath::kWinding_FillType: |
| result[SKJSONCANVAS_ATTRIBUTE_FILLTYPE] = SKJSONCANVAS_FILLTYPE_WINDING; |
| break; |
| case SkPath::kEvenOdd_FillType: |
| result[SKJSONCANVAS_ATTRIBUTE_FILLTYPE] = SKJSONCANVAS_FILLTYPE_EVENODD; |
| break; |
| case SkPath::kInverseWinding_FillType: |
| result[SKJSONCANVAS_ATTRIBUTE_FILLTYPE] = SKJSONCANVAS_FILLTYPE_INVERSEWINDING; |
| break; |
| case SkPath::kInverseEvenOdd_FillType: |
| result[SKJSONCANVAS_ATTRIBUTE_FILLTYPE] = SKJSONCANVAS_FILLTYPE_INVERSEEVENODD; |
| break; |
| } |
| Json::Value verbs(Json::arrayValue); |
| SkPath::Iter iter(path, false); |
| SkPoint pts[4]; |
| SkPath::Verb verb; |
| while ((verb = iter.next(pts)) != SkPath::kDone_Verb) { |
| switch (verb) { |
| case SkPath::kLine_Verb: { |
| Json::Value line(Json::objectValue); |
| line[SKJSONCANVAS_VERB_LINE] = this->makePoint(pts[1]); |
| verbs.append(line); |
| break; |
| } |
| case SkPath::kQuad_Verb: { |
| Json::Value quad(Json::objectValue); |
| Json::Value coords(Json::arrayValue); |
| coords.append(this->makePoint(pts[1])); |
| coords.append(this->makePoint(pts[2])); |
| quad[SKJSONCANVAS_VERB_QUAD] = coords; |
| verbs.append(quad); |
| break; |
| } |
| case SkPath::kCubic_Verb: { |
| Json::Value cubic(Json::objectValue); |
| Json::Value coords(Json::arrayValue); |
| coords.append(this->makePoint(pts[1])); |
| coords.append(this->makePoint(pts[2])); |
| coords.append(this->makePoint(pts[3])); |
| cubic[SKJSONCANVAS_VERB_CUBIC] = coords; |
| verbs.append(cubic); |
| break; |
| } |
| case SkPath::kConic_Verb: { |
| Json::Value conic(Json::objectValue); |
| Json::Value coords(Json::arrayValue); |
| coords.append(this->makePoint(pts[1])); |
| coords.append(this->makePoint(pts[2])); |
| coords.append(Json::Value(iter.conicWeight())); |
| conic[SKJSONCANVAS_VERB_CONIC] = coords; |
| verbs.append(conic); |
| break; |
| } |
| case SkPath::kMove_Verb: { |
| Json::Value move(Json::objectValue); |
| move[SKJSONCANVAS_VERB_MOVE] = this->makePoint(pts[0]); |
| verbs.append(move); |
| break; |
| } |
| case SkPath::kClose_Verb: |
| verbs.append(Json::Value(SKJSONCANVAS_VERB_CLOSE)); |
| break; |
| case SkPath::kDone_Verb: |
| break; |
| } |
| } |
| result[SKJSONCANVAS_ATTRIBUTE_VERBS] = verbs; |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makeRegion(const SkRegion& region) { |
| return Json::Value("<unimplemented>"); |
| } |
| |
| static void store_scalar(Json::Value* target, const char* key, SkScalar value, |
| SkScalar defaultValue) { |
| if (value != defaultValue) { |
| (*target)[key] = Json::Value(value); |
| } |
| } |
| |
| static void store_bool(Json::Value* target, const char* key, bool value, bool defaultValue) { |
| if (value != defaultValue) { |
| (*target)[key] = Json::Value(value); |
| } |
| } |
| |
| static void encode_data(const void* data, size_t count, Json::Value* target) { |
| // just use a brain-dead JSON array for now, switch to base64 or something else smarter down the |
| // road |
| for (size_t i = 0; i < count; i++) { |
| target->append(((const uint8_t*)data)[i]); |
| } |
| } |
| |
| static void flatten(const SkFlattenable* flattenable, Json::Value* target, bool sendBinaries) { |
| if (sendBinaries) { |
| SkWriteBuffer buffer; |
| flattenable->flatten(buffer); |
| void* data = sk_malloc_throw(buffer.bytesWritten()); |
| buffer.writeToMemory(data); |
| Json::Value bytes; |
| encode_data(data, buffer.bytesWritten(), &bytes); |
| Json::Value jsonFlattenable; |
| jsonFlattenable[SKJSONCANVAS_ATTRIBUTE_NAME] = Json::Value(flattenable->getTypeName()); |
| jsonFlattenable[SKJSONCANVAS_ATTRIBUTE_BYTES] = bytes; |
| (*target) = jsonFlattenable; |
| free(data); |
| } |
| else { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_DESCRIPTION] = Json::Value(flattenable->getTypeName()); |
| } |
| } |
| |
| static bool SK_WARN_UNUSED_RESULT flatten(const SkImage& image, Json::Value* target, |
| bool sendBinaries) { |
| if (sendBinaries) { |
| 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(encoded->data(), encoded->size(), &bytes); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_BYTES] = bytes; |
| encoded->unref(); |
| } |
| else { |
| SkString description = SkStringPrintf("%dx%d pixel image", image.width(), image.height()); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_DESCRIPTION] = Json::Value(description.c_str()); |
| } |
| 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) { |
| 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); |
| return success; |
| } |
| |
| static void apply_paint_color(const SkPaint& paint, Json::Value* target) { |
| SkColor color = paint.getColor(); |
| if (color != SK_ColorBLACK) { |
| Json::Value colorValue(Json::arrayValue); |
| colorValue.append(Json::Value(SkColorGetA(color))); |
| colorValue.append(Json::Value(SkColorGetR(color))); |
| colorValue.append(Json::Value(SkColorGetG(color))); |
| colorValue.append(Json::Value(SkColorGetB(color))); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_COLOR] = colorValue;; |
| } |
| } |
| |
| static void apply_paint_style(const SkPaint& paint, Json::Value* target) { |
| SkPaint::Style style = paint.getStyle(); |
| if (style != SkPaint::kFill_Style) { |
| switch (style) { |
| case SkPaint::kStroke_Style: { |
| Json::Value stroke(SKJSONCANVAS_STYLE_STROKE); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_STYLE] = stroke; |
| break; |
| } |
| case SkPaint::kStrokeAndFill_Style: { |
| Json::Value strokeAndFill(SKJSONCANVAS_STYLE_STROKEANDFILL); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_STYLE] = strokeAndFill; |
| break; |
| } |
| default: SkASSERT(false); |
| } |
| } |
| } |
| |
| static void apply_paint_cap(const SkPaint& paint, Json::Value* target) { |
| SkPaint::Cap cap = paint.getStrokeCap(); |
| if (cap != SkPaint::kDefault_Cap) { |
| switch (cap) { |
| case SkPaint::kButt_Cap: { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_CAP] = Json::Value(SKJSONCANVAS_CAP_BUTT); |
| break; |
| } |
| case SkPaint::kRound_Cap: { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_CAP] = Json::Value(SKJSONCANVAS_CAP_ROUND); |
| break; |
| } |
| case SkPaint::kSquare_Cap: { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_CAP] = Json::Value(SKJSONCANVAS_CAP_SQUARE); |
| break; |
| } |
| default: SkASSERT(false); |
| } |
| } |
| } |
| static void apply_paint_maskfilter(const SkPaint& paint, Json::Value* target, bool sendBinaries) { |
| SkMaskFilter* maskFilter = paint.getMaskFilter(); |
| if (maskFilter != nullptr) { |
| SkMaskFilter::BlurRec blurRec; |
| if (maskFilter->asABlur(&blurRec)) { |
| Json::Value blur(Json::objectValue); |
| blur[SKJSONCANVAS_ATTRIBUTE_SIGMA] = Json::Value(blurRec.fSigma); |
| switch (blurRec.fStyle) { |
| case SkBlurStyle::kNormal_SkBlurStyle: |
| blur[SKJSONCANVAS_ATTRIBUTE_STYLE] = Json::Value(SKJSONCANVAS_BLURSTYLE_NORMAL); |
| break; |
| case SkBlurStyle::kSolid_SkBlurStyle: |
| blur[SKJSONCANVAS_ATTRIBUTE_STYLE] = Json::Value(SKJSONCANVAS_BLURSTYLE_SOLID); |
| break; |
| case SkBlurStyle::kOuter_SkBlurStyle: |
| blur[SKJSONCANVAS_ATTRIBUTE_STYLE] = Json::Value(SKJSONCANVAS_BLURSTYLE_OUTER); |
| break; |
| case SkBlurStyle::kInner_SkBlurStyle: |
| blur[SKJSONCANVAS_ATTRIBUTE_STYLE] = Json::Value(SKJSONCANVAS_BLURSTYLE_INNER); |
| break; |
| default: |
| SkASSERT(false); |
| } |
| switch (blurRec.fQuality) { |
| case SkBlurQuality::kLow_SkBlurQuality: |
| blur[SKJSONCANVAS_ATTRIBUTE_QUALITY] = Json::Value(SKJSONCANVAS_BLURQUALITY_LOW); |
| break; |
| case SkBlurQuality::kHigh_SkBlurQuality: |
| blur[SKJSONCANVAS_ATTRIBUTE_QUALITY] = Json::Value(SKJSONCANVAS_BLURQUALITY_HIGH); |
| break; |
| default: |
| SkASSERT(false); |
| } |
| (*target)[SKJSONCANVAS_ATTRIBUTE_BLUR] = blur; |
| } |
| else { |
| Json::Value jsonMaskFilter; |
| flatten(maskFilter, &jsonMaskFilter, sendBinaries); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_MASKFILTER] = jsonMaskFilter; |
| } |
| } |
| } |
| |
| static void apply_paint_patheffect(const SkPaint& paint, Json::Value* target, bool sendBinaries) { |
| SkPathEffect* pathEffect = paint.getPathEffect(); |
| if (pathEffect != nullptr) { |
| SkPathEffect::DashInfo dashInfo; |
| SkPathEffect::DashType dashType = pathEffect->asADash(&dashInfo); |
| if (dashType == SkPathEffect::kDash_DashType) { |
| dashInfo.fIntervals = (SkScalar*) sk_malloc_throw(dashInfo.fCount * sizeof(SkScalar)); |
| pathEffect->asADash(&dashInfo); |
| Json::Value dashing(Json::objectValue); |
| Json::Value intervals(Json::arrayValue); |
| for (int32_t i = 0; i < dashInfo.fCount; i++) { |
| intervals.append(Json::Value(dashInfo.fIntervals[i])); |
| } |
| free(dashInfo.fIntervals); |
| dashing[SKJSONCANVAS_ATTRIBUTE_INTERVALS] = intervals; |
| dashing[SKJSONCANVAS_ATTRIBUTE_PHASE] = dashInfo.fPhase; |
| (*target)[SKJSONCANVAS_ATTRIBUTE_DASHING] = dashing; |
| } |
| else { |
| Json::Value jsonPathEffect; |
| flatten(pathEffect, &jsonPathEffect, sendBinaries); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_PATHEFFECT] = jsonPathEffect; |
| } |
| } |
| } |
| |
| static void apply_paint_textalign(const SkPaint& paint, Json::Value* target) { |
| SkPaint::Align textAlign = paint.getTextAlign(); |
| if (textAlign != SkPaint::kLeft_Align) { |
| switch (textAlign) { |
| case SkPaint::kCenter_Align: { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_TEXTALIGN] = SKJSONCANVAS_ALIGN_CENTER; |
| break; |
| } |
| case SkPaint::kRight_Align: { |
| (*target)[SKJSONCANVAS_ATTRIBUTE_TEXTALIGN] = SKJSONCANVAS_ALIGN_RIGHT; |
| break; |
| } |
| default: SkASSERT(false); |
| } |
| } |
| } |
| |
| static void apply_paint_typeface(const SkPaint& paint, Json::Value* target, |
| bool sendBinaries) { |
| SkTypeface* typeface = paint.getTypeface(); |
| if (typeface != nullptr) { |
| if (sendBinaries) { |
| Json::Value jsonTypeface; |
| SkDynamicMemoryWStream buffer; |
| typeface->serialize(&buffer); |
| void* data = sk_malloc_throw(buffer.bytesWritten()); |
| buffer.copyTo(data); |
| Json::Value bytes; |
| encode_data(data, buffer.bytesWritten(), &bytes); |
| jsonTypeface[SKJSONCANVAS_ATTRIBUTE_BYTES] = bytes; |
| free(data); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_TYPEFACE] = jsonTypeface; |
| } |
| } |
| } |
| |
| static void apply_paint_shader(const SkPaint& paint, Json::Value* target, bool sendBinaries) { |
| SkFlattenable* shader = paint.getShader(); |
| if (shader != nullptr) { |
| Json::Value jsonShader; |
| flatten(shader, &jsonShader, sendBinaries); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_SHADER] = jsonShader; |
| } |
| } |
| |
| static void apply_paint_xfermode(const SkPaint& paint, Json::Value* target, bool sendBinaries) { |
| SkFlattenable* xfermode = paint.getXfermode(); |
| if (xfermode != nullptr) { |
| Json::Value jsonXfermode; |
| flatten(xfermode, &jsonXfermode, sendBinaries); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_XFERMODE] = jsonXfermode; |
| } |
| } |
| |
| 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; |
| } |
| } |
| |
| static void apply_paint_colorfilter(const SkPaint& paint, Json::Value* target, bool sendBinaries) { |
| SkFlattenable* colorFilter = paint.getColorFilter(); |
| if (colorFilter != nullptr) { |
| Json::Value jsonColorFilter; |
| flatten(colorFilter, &jsonColorFilter, sendBinaries); |
| (*target)[SKJSONCANVAS_ATTRIBUTE_COLORFILTER] = jsonColorFilter; |
| } |
| } |
| |
| Json::Value SkJSONCanvas::makePaint(const SkPaint& paint) { |
| Json::Value result(Json::objectValue); |
| store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_STROKEWIDTH, paint.getStrokeWidth(), 0.0f); |
| store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_STROKEMITER, paint.getStrokeMiter(), |
| SkPaintDefaults_MiterLimit); |
| store_bool(&result, SKJSONCANVAS_ATTRIBUTE_ANTIALIAS, paint.isAntiAlias(), false); |
| store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSIZE, paint.getTextSize(), |
| SkPaintDefaults_TextSize); |
| store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSCALEX, paint.getTextScaleX(), SK_Scalar1); |
| store_scalar(&result, SKJSONCANVAS_ATTRIBUTE_TEXTSCALEX, paint.getTextSkewX(), 0.0f); |
| apply_paint_color(paint, &result); |
| apply_paint_style(paint, &result); |
| apply_paint_cap(paint, &result); |
| apply_paint_textalign(paint, &result); |
| apply_paint_patheffect(paint, &result, fSendBinaries); |
| apply_paint_maskfilter(paint, &result, fSendBinaries); |
| apply_paint_shader(paint, &result, fSendBinaries); |
| apply_paint_xfermode(paint, &result, fSendBinaries); |
| apply_paint_imagefilter(paint, &result, fSendBinaries); |
| apply_paint_colorfilter(paint, &result, fSendBinaries); |
| apply_paint_typeface(paint, &result, fSendBinaries); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::MakeIRect(const SkIRect& rect) { |
| Json::Value result(Json::arrayValue); |
| result.append(Json::Value(rect.left())); |
| result.append(Json::Value(rect.top())); |
| result.append(Json::Value(rect.right())); |
| result.append(Json::Value(rect.bottom())); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::MakeMatrix(const SkMatrix& matrix) { |
| Json::Value result(Json::arrayValue); |
| Json::Value row1(Json::arrayValue); |
| row1.append(Json::Value(matrix[0])); |
| row1.append(Json::Value(matrix[1])); |
| row1.append(Json::Value(matrix[2])); |
| result.append(row1); |
| Json::Value row2(Json::arrayValue); |
| row2.append(Json::Value(matrix[3])); |
| row2.append(Json::Value(matrix[4])); |
| row2.append(Json::Value(matrix[5])); |
| result.append(row2); |
| Json::Value row3(Json::arrayValue); |
| row3.append(Json::Value(matrix[6])); |
| row3.append(Json::Value(matrix[7])); |
| row3.append(Json::Value(matrix[8])); |
| result.append(row3); |
| return result; |
| } |
| |
| Json::Value SkJSONCanvas::makeRegionOp(SkRegion::Op op) { |
| switch (op) { |
| case SkRegion::kDifference_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_DIFFERENCE); |
| case SkRegion::kIntersect_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_INTERSECT); |
| case SkRegion::kUnion_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_UNION); |
| case SkRegion::kXOR_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_XOR); |
| case SkRegion::kReverseDifference_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_REVERSE_DIFFERENCE); |
| case SkRegion::kReplace_Op: |
| return Json::Value(SKJSONCANVAS_REGIONOP_REPLACE); |
| default: |
| SkASSERT(false); |
| return Json::Value("<invalid region op>"); |
| }; |
| } |
| |
| Json::Value SkJSONCanvas::makePointMode(SkCanvas::PointMode mode) { |
| switch (mode) { |
| case SkCanvas::kPoints_PointMode: |
| return Json::Value(SKJSONCANVAS_POINTMODE_POINTS); |
| case SkCanvas::kLines_PointMode: |
| return Json::Value(SKJSONCANVAS_POINTMODE_LINES); |
| case SkCanvas::kPolygon_PointMode: |
| return Json::Value(SKJSONCANVAS_POINTMODE_POLYGON); |
| default: |
| SkASSERT(false); |
| return Json::Value("<invalid point mode>"); |
| }; |
| } |
| |
| void SkJSONCanvas::didConcat(const SkMatrix& matrix) { |
| Json::Value command(Json::objectValue); |
| switch (matrix.getType()) { |
| case SkMatrix::kTranslate_Mask: |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_TRANSLATE); |
| command[SKJSONCANVAS_ATTRIBUTE_X] = Json::Value(matrix.get(SkMatrix::kMTransX)); |
| command[SKJSONCANVAS_ATTRIBUTE_Y] = Json::Value(matrix.get(SkMatrix::kMTransY)); |
| break; |
| case SkMatrix::kScale_Mask: |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_SCALE); |
| command[SKJSONCANVAS_ATTRIBUTE_X] = Json::Value(matrix.get(SkMatrix::kMScaleX)); |
| command[SKJSONCANVAS_ATTRIBUTE_Y] = Json::Value(matrix.get(SkMatrix::kMScaleY)); |
| break; |
| default: |
| this->didSetMatrix(this->getTotalMatrix()); |
| return; |
| } |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::didSetMatrix(const SkMatrix& matrix) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_MATRIX); |
| command[SKJSONCANVAS_ATTRIBUTE_MATRIX] = this->MakeMatrix(matrix); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPaint(const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_PAINT); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_RECT); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makeRect(rect); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_OVAL); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makeRect(rect); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_RRECT); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makeRRect(rrect); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_RRECT); |
| command[SKJSONCANVAS_ATTRIBUTE_INNER] = this->makeRRect(inner); |
| command[SKJSONCANVAS_ATTRIBUTE_OUTER] = this->makeRRect(outer); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_POINTS); |
| command[SKJSONCANVAS_ATTRIBUTE_MODE] = this->makePointMode(mode); |
| Json::Value points(Json::arrayValue); |
| for (size_t i = 0; i < count; i++) { |
| points.append(this->makePoint(pts[i])); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_POINTS] = points; |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawVertices(SkCanvas::VertexMode, int vertexCount, const SkPoint vertices[], |
| const SkPoint texs[], const SkColor colors[], SkXfermode*, |
| const uint16_t indices[], int indexCount, const SkPaint&) { |
| SkDebugf("unsupported: drawVertices\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_VERTICES); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], |
| int count, SkXfermode::Mode, const SkRect* cull, const SkPaint*) { |
| SkDebugf("unsupported: drawAtlas\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_ATLAS); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_PATH); |
| command[SKJSONCANVAS_ATTRIBUTE_PATH] = this->makePath(path); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawImage(const SkImage* image, SkScalar dx, SkScalar dy, |
| const SkPaint* paint) { |
| Json::Value encoded; |
| if (flatten(*image, &encoded, fSendBinaries)) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_IMAGE); |
| command[SKJSONCANVAS_ATTRIBUTE_IMAGE] = encoded; |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makePoint(dx, dy); |
| if (paint != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(*paint); |
| } |
| fCommands.append(command); |
| } |
| } |
| |
| void SkJSONCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SkCanvas::SrcRectConstraint constraint) { |
| Json::Value encoded; |
| if (flatten(*image, &encoded, fSendBinaries)) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_IMAGERECT); |
| command[SKJSONCANVAS_ATTRIBUTE_IMAGE] = encoded; |
| if (src != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_SRC] = this->makeRect(*src); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_DST] = this->makeRect(dst); |
| if (paint != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(*paint); |
| } |
| if (constraint == SkCanvas::kStrict_SrcRectConstraint) { |
| command[SKJSONCANVAS_ATTRIBUTE_STRICT] = Json::Value(true); |
| } |
| fCommands.append(command); |
| } |
| } |
| |
| void SkJSONCanvas::onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, |
| const SkPaint*) { |
| SkDebugf("unsupported: drawImageNine\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_IMAGENINE); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar dx, SkScalar dy, |
| const SkPaint* paint) { |
| Json::Value encoded; |
| if (flatten(bitmap, &encoded, fSendBinaries)) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_BITMAP); |
| command[SKJSONCANVAS_ATTRIBUTE_BITMAP] = encoded; |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makePoint(dx, dy); |
| if (paint != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(*paint); |
| } |
| fCommands.append(command); |
| } |
| } |
| |
| void SkJSONCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SkCanvas::SrcRectConstraint constraint) { |
| Json::Value encoded; |
| if (flatten(bitmap, &encoded, fSendBinaries)) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_BITMAPRECT); |
| command[SKJSONCANVAS_ATTRIBUTE_BITMAP] = encoded; |
| if (src != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_SRC] = this->makeRect(*src); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_DST] = this->makeRect(dst); |
| if (paint != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(*paint); |
| } |
| if (constraint == SkCanvas::kStrict_SrcRectConstraint) { |
| command[SKJSONCANVAS_ATTRIBUTE_STRICT] = Json::Value(true); |
| } |
| fCommands.append(command); |
| } |
| } |
| |
| void SkJSONCanvas::onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, |
| const SkPaint*) { |
| SkDebugf("unsupported: drawBitmapNine\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_BITMAPNINE); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, |
| SkScalar y, const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_TEXT); |
| command[SKJSONCANVAS_ATTRIBUTE_TEXT] = Json::Value((const char*) text, |
| ((const char*) text) + byteLength); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makePoint(x, y); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_POSTEXT); |
| command[SKJSONCANVAS_ATTRIBUTE_TEXT] = Json::Value((const char*) text, |
| ((const char*) text) + byteLength); |
| Json::Value coords(Json::arrayValue); |
| for (size_t i = 0; i < byteLength; i++) { |
| coords.append(this->makePoint(pos[i])); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = coords; |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint) { |
| SkDebugf("unsupported: drawPosTextH\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_POSTEXTH); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawTextOnPath(const void* text, size_t byteLength, |
| const SkPath& path, const SkMatrix* matrix, |
| const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_TEXTONPATH); |
| command[SKJSONCANVAS_ATTRIBUTE_TEXT] = Json::Value((const char*) text, |
| ((const char*) text) + byteLength); |
| command[SKJSONCANVAS_ATTRIBUTE_PATH] = this->makePath(path); |
| if (matrix != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_MATRIX] = this->MakeMatrix(*matrix); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_TEXTBLOB); |
| Json::Value runs(Json::arrayValue); |
| SkTextBlobRunIterator iter(blob); |
| while (!iter.done()) { |
| Json::Value run(Json::objectValue); |
| Json::Value jsonPositions(Json::arrayValue); |
| Json::Value jsonGlyphs(Json::arrayValue); |
| const SkScalar* iterPositions = iter.pos(); |
| const uint16_t* iterGlyphs = iter.glyphs(); |
| for (uint32_t i = 0; i < iter.glyphCount(); i++) { |
| switch (iter.positioning()) { |
| case SkTextBlob::kFull_Positioning: |
| jsonPositions.append(this->makePoint(iterPositions[i * 2], |
| iterPositions[i * 2 + 1])); |
| break; |
| case SkTextBlob::kHorizontal_Positioning: |
| jsonPositions.append(Json::Value(iterPositions[i])); |
| break; |
| case SkTextBlob::kDefault_Positioning: |
| break; |
| } |
| jsonGlyphs.append(Json::Value(iterGlyphs[i])); |
| } |
| if (iter.positioning() != SkTextBlob::kDefault_Positioning) { |
| run[SKJSONCANVAS_ATTRIBUTE_POSITIONS] = jsonPositions; |
| } |
| run[SKJSONCANVAS_ATTRIBUTE_GLYPHS] = jsonGlyphs; |
| SkPaint fontPaint; |
| iter.applyFontToPaint(&fontPaint); |
| run[SKJSONCANVAS_ATTRIBUTE_FONT] = this->makePaint(fontPaint); |
| run[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makePoint(iter.offset()); |
| runs.append(run); |
| iter.next(); |
| } |
| command[SKJSONCANVAS_ATTRIBUTE_RUNS] = runs; |
| command[SKJSONCANVAS_ATTRIBUTE_X] = Json::Value(x); |
| command[SKJSONCANVAS_ATTRIBUTE_Y] = Json::Value(y); |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(paint); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkXfermode* xmode, |
| const SkPaint& paint) { |
| SkDebugf("unsupported: drawPatch\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_PATCH); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onDrawDrawable(SkDrawable*, const SkMatrix*) { |
| SkDebugf("unsupported: drawDrawable\n"); |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_DRAWABLE); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_CLIPRECT); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makeRect(rect); |
| command[SKJSONCANVAS_ATTRIBUTE_REGIONOP] = this->makeRegionOp(op); |
| command[SKJSONCANVAS_ATTRIBUTE_ANTIALIAS] = (edgeStyle == SkCanvas::kSoft_ClipEdgeStyle); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_CLIPRRECT); |
| command[SKJSONCANVAS_ATTRIBUTE_COORDS] = this->makeRRect(rrect); |
| command[SKJSONCANVAS_ATTRIBUTE_REGIONOP] = this->makeRegionOp(op); |
| command[SKJSONCANVAS_ATTRIBUTE_ANTIALIAS] = (edgeStyle == SkCanvas::kSoft_ClipEdgeStyle); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_CLIPPATH); |
| command[SKJSONCANVAS_ATTRIBUTE_PATH] = this->makePath(path); |
| command[SKJSONCANVAS_ATTRIBUTE_REGIONOP] = this->makeRegionOp(op); |
| command[SKJSONCANVAS_ATTRIBUTE_ANTIALIAS] = (edgeStyle == SkCanvas::kSoft_ClipEdgeStyle); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_CLIPREGION); |
| command[SKJSONCANVAS_ATTRIBUTE_REGION] = this->makeRegion(deviceRgn); |
| command[SKJSONCANVAS_ATTRIBUTE_REGIONOP] = this->makeRegionOp(op); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::willSave() { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_SAVE); |
| fCommands.append(command); |
| } |
| |
| void SkJSONCanvas::willRestore() { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_RESTORE); |
| fCommands.append(command); |
| } |
| |
| SkCanvas::SaveLayerStrategy SkJSONCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) { |
| Json::Value command(Json::objectValue); |
| command[SKJSONCANVAS_COMMAND] = Json::Value(SKJSONCANVAS_COMMAND_SAVELAYER); |
| if (rec.fBounds != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_BOUNDS] = this->makeRect(*rec.fBounds); |
| } |
| if (rec.fPaint != nullptr) { |
| command[SKJSONCANVAS_ATTRIBUTE_PAINT] = this->makePaint(*rec.fPaint); |
| } |
| if (rec.fBackdrop != nullptr) { |
| Json::Value backdrop; |
| flatten(rec.fBackdrop, &backdrop, fSendBinaries); |
| command[SKJSONCANVAS_ATTRIBUTE_BACKDROP] = backdrop; |
| } |
| if (rec.fSaveLayerFlags != 0) { |
| SkDebugf("unsupported: saveLayer flags\n"); |
| } |
| fCommands.append(command); |
| return this->INHERITED::getSaveLayerStrategy(rec); |
| } |
