sk_sp<SkFont> SkFont::Testing_CreateFromPaint(const SkPaint& paint) {
uint32_t flags = 0;
if (paint.isVerticalText()) {
flags |= kVertical_Flag;
}
if (paint.isEmbeddedBitmapText()) {
flags |= kEmbeddedBitmaps_Flag;
}
if (paint.getFlags() & SkPaint::kGenA8FromLCD_Flag) {
flags |= kGenA8FromLCD_Flag;
}
if (paint.isFakeBoldText()) {
flags |= kEmbolden_Flag;
}
if (SkPaint::kFull_Hinting == paint.getHinting()) {
flags |= kEnableByteCodeHints_Flag;
}
if (paint.isAutohinted()) {
flags |= kEnableAutoHints_Flag;
}
if (paint.isSubpixelText() || paint.isLinearText()) {
// this is our default
} else {
flags |= kUseNonlinearMetrics_Flag;
}
MaskType maskType = SkFont::kBW_MaskType;
if (paint.isAntiAlias()) {
maskType = paint.isLCDRenderText() ? kLCD_MaskType : kA8_MaskType;
}
return Make(sk_ref_sp(paint.getTypeface()), paint.getTextSize(), paint.getTextScaleX(),
paint.getTextSkewX(), maskType, flags);
}
static uint16_t compute_nondef(const SkPaint& paint, PaintUsage usage) {
// kRespectsStroke_PaintUsage is only valid if other bits are also set
SkASSERT(0 != (usage & ~kRespectsStroke_PaintUsage));
const SkScalar kTextSize_Default = 12;
const SkScalar kTextScaleX_Default = 1;
const SkScalar kTextSkewX_Default = 0;
const SkScalar kStrokeWidth_Default = 0;
const SkScalar kStrokeMiter_Default = 4;
const SkColor kColor_Default = SK_ColorBLACK;
unsigned bits = (paint.getColor() != kColor_Default) ? kColor_NonDef : 0;
if (usage & kText_PaintUsage) {
bits |= (paint.getTextSize() != kTextSize_Default ? kTextSize_NonDef : 0);
bits |= (paint.getTextScaleX() != kTextScaleX_Default ? kTextScaleX_NonDef : 0);
bits |= (paint.getTextSkewX() != kTextSkewX_Default ? kTextSkewX_NonDef : 0);
bits |= (paint.getTypeface() ? kTypeface_NonDef : 0);
}
// TODO: kImage_PaintUsage only needs the shader/maskfilter IF its colortype is kAlpha_8
if (usage & (kVertices_PaintUsage | kDrawPaint_PaintUsage | kImage_PaintUsage |
kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
bits |= (paint.getShader() ? kShader_NonDef : 0);
}
if (usage & (kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
bits |= (paint.getPathEffect() ? kPathEffect_NonDef : 0);
bits |= (paint.getRasterizer() ? kRasterizer_NonDef : 0);
if (paint.getStyle() != SkPaint::kFill_Style || (usage & kRespectsStroke_PaintUsage)) {
bits |= (paint.getStrokeWidth() != kStrokeWidth_Default ? kStrokeWidth_NonDef : 0);
bits |= (paint.getStrokeMiter() != kStrokeMiter_Default ? kStrokeMiter_NonDef : 0);
}
}
if (usage &
(kText_PaintUsage | kGeometry_PaintUsage | kImage_PaintUsage | kTextBlob_PaintUsage))
{
bits |= (paint.getMaskFilter() ? kMaskFilter_NonDef : 0);
}
bits |= (paint.getColorFilter() ? kColorFilter_NonDef : 0);
bits |= (paint.getImageFilter() ? kImageFilter_NonDef : 0);
bits |= (paint.getDrawLooper() ? kDrawLooper_NonDef : 0);
return SkToU16(bits);
}
void SkPDFDevice::drawPosText(const SkDraw&, const void* text, size_t len,
const SkScalar pos[], SkScalar constY,
int scalarsPerPos, const SkPaint& paint) {
SkASSERT(1 == scalarsPerPos || 2 == scalarsPerPos);
SkPaint textPaint = calculateTextPaint(paint);
updateGSFromPaint(textPaint, true);
// Make sure we have a glyph id encoding.
SkAutoFree glyphStorage;
uint16_t* glyphIDs;
size_t numGlyphs;
if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) {
numGlyphs = paint.textToGlyphs(text, len, NULL);
glyphIDs = (uint16_t*)sk_malloc_flags(numGlyphs * 2,
SK_MALLOC_TEMP | SK_MALLOC_THROW);
glyphStorage.set(glyphIDs);
paint.textToGlyphs(text, len, glyphIDs);
textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
} else {
SkASSERT((len & 1) == 0);
numGlyphs = len / 2;
glyphIDs = (uint16_t*)text;
}
SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc();
fContent.writeText("BT\n");
updateFont(textPaint, glyphIDs[0]);
for (size_t i = 0; i < numGlyphs; i++) {
SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont;
uint16_t encodedValue = glyphIDs[i];
if (font->glyphsToPDFFontEncoding(&encodedValue, 1) != 1) {
updateFont(textPaint, glyphIDs[i]);
i--;
continue;
}
SkScalar x = pos[i * scalarsPerPos];
SkScalar y = scalarsPerPos == 1 ? constY : pos[i * scalarsPerPos + 1];
alignText(glyphCacheProc, textPaint, glyphIDs + i, 1, &x, &y, NULL);
setTextTransform(x, y, textPaint.getTextSkewX());
SkString encodedString =
SkPDFString::formatString(&encodedValue, 1,
font->multiByteGlyphs());
fContent.writeText(encodedString.c_str());
fContent.writeText(" Tj\n");
}
fContent.writeText("ET\n");
}
static void test_cachedfont(skiatest::Reporter* reporter, const SkPaint& paint) {
SkAutoTUnref<SkFont> font(SkFont::Testing_CreateFromPaint(paint));
// Currently SkFont resolves null into the default, so only test if paint's is not null
if (paint.getTypeface()) {
REPORTER_ASSERT(reporter, font->getTypeface() == paint.getTypeface());
}
REPORTER_ASSERT(reporter, font->getSize() == paint.getTextSize());
REPORTER_ASSERT(reporter, font->getScaleX() == paint.getTextScaleX());
REPORTER_ASSERT(reporter, font->getSkewX() == paint.getTextSkewX());
REPORTER_ASSERT(reporter, font->isVertical() == paint.isVerticalText());
REPORTER_ASSERT(reporter, font->isEmbolden() == paint.isFakeBoldText());
REPORTER_ASSERT(reporter, font->isUseNonLinearMetrics() == is_use_nonlinear_metrics(paint));
REPORTER_ASSERT(reporter, font->isEnableAutoHints() == is_enable_auto_hints(paint));
REPORTER_ASSERT(reporter, font->isEnableByteCodeHints() == is_enable_bytecode_hints(paint));
}
PassRefPtr<JSONObject> LoggingCanvas::objectForSkPaint(const SkPaint& paint)
{
RefPtr<JSONObject> paintItem = JSONObject::create();
paintItem->setNumber("textSize", paint.getTextSize());
paintItem->setNumber("textScaleX", paint.getTextScaleX());
paintItem->setNumber("textSkewX", paint.getTextSkewX());
if (SkShader* shader = paint.getShader())
paintItem->setObject("shader", objectForSkShader(*shader));
paintItem->setString("color", stringForSkColor(paint.getColor()));
paintItem->setNumber("strokeWidth", paint.getStrokeWidth());
paintItem->setNumber("strokeMiter", paint.getStrokeMiter());
paintItem->setString("flags", stringForSkPaintFlags(paint));
paintItem->setString("filterLevel", filterQualityName(paint.getFilterQuality()));
paintItem->setString("textAlign", textAlignName(paint.getTextAlign()));
paintItem->setString("strokeCap", strokeCapName(paint.getStrokeCap()));
paintItem->setString("strokeJoin", strokeJoinName(paint.getStrokeJoin()));
paintItem->setString("styleName", styleName(paint.getStyle()));
paintItem->setString("textEncoding", textEncodingName(paint.getTextEncoding()));
paintItem->setString("hinting", hintingName(paint.getHinting()));
return paintItem.release();
}
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;
}
// Even with kEntirePaint_Bits, we always ensure that the master paint's
// text-encoding is respected, since that controls how we interpret the
// text/length parameters of a draw[Pos]Text call.
void SkLayerDrawLooper::ApplyInfo(SkPaint* dst, const SkPaint& src,
const LayerInfo& info) {
uint32_t mask = info.fFlagsMask;
dst->setFlags((dst->getFlags() & ~mask) | (src.getFlags() & mask));
dst->setColor(xferColor(src.getColor(), dst->getColor(), info.fColorMode));
BitFlags bits = info.fPaintBits;
SkPaint::TextEncoding encoding = dst->getTextEncoding();
if (0 == bits) {
return;
}
if (kEntirePaint_Bits == bits) {
// we've already computed these, so save it from the assignment
uint32_t f = dst->getFlags();
SkColor c = dst->getColor();
*dst = src;
dst->setFlags(f);
dst->setColor(c);
dst->setTextEncoding(encoding);
return;
}
if (bits & kStyle_Bit) {
dst->setStyle(src.getStyle());
dst->setStrokeWidth(src.getStrokeWidth());
dst->setStrokeMiter(src.getStrokeMiter());
dst->setStrokeCap(src.getStrokeCap());
dst->setStrokeJoin(src.getStrokeJoin());
}
if (bits & kTextSkewX_Bit) {
dst->setTextSkewX(src.getTextSkewX());
}
if (bits & kPathEffect_Bit) {
dst->setPathEffect(src.getPathEffect());
}
if (bits & kMaskFilter_Bit) {
dst->setMaskFilter(src.getMaskFilter());
}
if (bits & kShader_Bit) {
dst->setShader(src.getShader());
}
if (bits & kColorFilter_Bit) {
dst->setColorFilter(src.getColorFilter());
}
if (bits & kXfermode_Bit) {
dst->setXfermode(src.getXfermode());
}
// we don't override these
#if 0
dst->setTypeface(src.getTypeface());
dst->setTextSize(src.getTextSize());
dst->setTextScaleX(src.getTextScaleX());
dst->setRasterizer(src.getRasterizer());
dst->setLooper(src.getLooper());
dst->setTextEncoding(src.getTextEncoding());
dst->setHinting(src.getHinting());
#endif
}
void SkPDFDevice::drawText(const SkDraw& d, const void* text, size_t len,
SkScalar x, SkScalar y, const SkPaint& paint) {
SkPaint textPaint = calculateTextPaint(paint);
updateGSFromPaint(textPaint, true);
// We want the text in glyph id encoding and a writable buffer, so we end
// up making a copy either way.
size_t numGlyphs = paint.textToGlyphs(text, len, NULL);
uint16_t* glyphIDs =
(uint16_t*)sk_malloc_flags(numGlyphs * 2,
SK_MALLOC_TEMP | SK_MALLOC_THROW);
SkAutoFree autoFreeGlyphIDs(glyphIDs);
if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) {
paint.textToGlyphs(text, len, glyphIDs);
textPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
} else {
SkASSERT((len & 1) == 0);
SkASSERT(len / 2 == numGlyphs);
memcpy(glyphIDs, text, len);
}
SkScalar width;
SkScalar* widthPtr = NULL;
if (textPaint.isUnderlineText() || textPaint.isStrikeThruText())
widthPtr = &width;
SkDrawCacheProc glyphCacheProc = textPaint.getDrawCacheProc();
alignText(glyphCacheProc, textPaint, glyphIDs, numGlyphs, &x, &y, widthPtr);
fContent.writeText("BT\n");
setTextTransform(x, y, textPaint.getTextSkewX());
size_t consumedGlyphCount = 0;
while (numGlyphs > consumedGlyphCount) {
updateFont(textPaint, glyphIDs[consumedGlyphCount]);
SkPDFFont* font = fGraphicStack[fGraphicStackIndex].fFont;
size_t availableGlyphs =
font->glyphsToPDFFontEncoding(glyphIDs + consumedGlyphCount,
numGlyphs - consumedGlyphCount);
SkString encodedString =
SkPDFString::formatString(glyphIDs + consumedGlyphCount,
availableGlyphs, font->multiByteGlyphs());
fContent.writeText(encodedString.c_str());
consumedGlyphCount += availableGlyphs;
fContent.writeText(" Tj\n");
}
fContent.writeText("ET\n");
// Draw underline and/or strikethrough if the paint has them.
// drawPosText() and drawTextOnPath() don't draw underline or strikethrough
// because the raster versions don't. Use paint instead of textPaint
// because we may have changed strokeWidth to do fakeBold text.
if (paint.isUnderlineText() || paint.isStrikeThruText()) {
SkScalar textSize = paint.getTextSize();
SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness);
if (paint.isUnderlineText()) {
SkScalar top = SkScalarMulAdd(textSize, kStdUnderline_Offset, y);
SkRect r = SkRect::MakeXYWH(x, top - height, width, height);
drawRect(d, r, paint);
}
if (paint.isStrikeThruText()) {
SkScalar top = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, y);
SkRect r = SkRect::MakeXYWH(x, top - height, width, height);
drawRect(d, r, paint);
}
}
}
// Even with kEntirePaint_Bits, we always ensure that the master paint's
// text-encoding is respected, since that controls how we interpret the
// text/length parameters of a draw[Pos]Text call.
void SkLayerDrawLooper::LayerDrawLooperContext::ApplyInfo(
SkPaint* dst, const SkPaint& src, const LayerInfo& info) {
SkColor4f srcColor = src.getColor4f();
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
// The framework may respect the alpha value on the original paint.
// Match this legacy behavior.
if (src.getAlpha() == 255) {
srcColor.fA = dst->getColor4f().fA;
}
#endif
dst->setColor4f(xferColor(srcColor, dst->getColor4f(), (SkBlendMode)info.fColorMode),
sk_srgb_singleton());
BitFlags bits = info.fPaintBits;
SkPaint::TextEncoding encoding = dst->getTextEncoding();
if (0 == bits) {
return;
}
if (kEntirePaint_Bits == bits) {
// we've already computed these, so save it from the assignment
uint32_t f = dst->getFlags();
SkColor4f c = dst->getColor4f();
*dst = src;
dst->setFlags(f);
dst->setColor4f(c, sk_srgb_singleton());
dst->setTextEncoding(encoding);
return;
}
if (bits & kStyle_Bit) {
dst->setStyle(src.getStyle());
dst->setStrokeWidth(src.getStrokeWidth());
dst->setStrokeMiter(src.getStrokeMiter());
dst->setStrokeCap(src.getStrokeCap());
dst->setStrokeJoin(src.getStrokeJoin());
}
if (bits & kTextSkewX_Bit) {
dst->setTextSkewX(src.getTextSkewX());
}
if (bits & kPathEffect_Bit) {
dst->setPathEffect(src.refPathEffect());
}
if (bits & kMaskFilter_Bit) {
dst->setMaskFilter(src.refMaskFilter());
}
if (bits & kShader_Bit) {
dst->setShader(src.refShader());
}
if (bits & kColorFilter_Bit) {
dst->setColorFilter(src.refColorFilter());
}
if (bits & kXfermode_Bit) {
dst->setBlendMode(src.getBlendMode());
}
// we don't override these
#if 0
dst->setTypeface(src.getTypeface());
dst->setTextSize(src.getTextSize());
dst->setTextScaleX(src.getTextScaleX());
dst->setRasterizer(src.getRasterizer());
dst->setLooper(src.getLooper());
dst->setTextEncoding(src.getTextEncoding());
dst->setHinting(src.getHinting());
#endif
}
void SkFlatPaint::dump() const {
SkPaint defaultPaint;
SkFlattenableReadBuffer buffer(fPaintData);
SkTypeface* typeface = (SkTypeface*) buffer.readPtr();
char pBuffer[DUMP_BUFFER_SIZE];
char* bufferPtr = pBuffer;
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"paint: ");
if (typeface != defaultPaint.getTypeface())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"typeface:%p ", typeface);
SkScalar textSize = buffer.readScalar();
if (textSize != defaultPaint.getTextSize())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"textSize:%g ", SkScalarToFloat(textSize));
SkScalar textScaleX = buffer.readScalar();
if (textScaleX != defaultPaint.getTextScaleX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"textScaleX:%g ", SkScalarToFloat(textScaleX));
SkScalar textSkewX = buffer.readScalar();
if (textSkewX != defaultPaint.getTextSkewX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"textSkewX:%g ", SkScalarToFloat(textSkewX));
const SkPathEffect* pathEffect = (const SkPathEffect*) buffer.readFlattenable();
if (pathEffect != defaultPaint.getPathEffect())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"pathEffect:%p ", pathEffect);
SkDELETE(pathEffect);
const SkShader* shader = (const SkShader*) buffer.readFlattenable();
if (shader != defaultPaint.getShader())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"shader:%p ", shader);
SkDELETE(shader);
const SkXfermode* xfermode = (const SkXfermode*) buffer.readFlattenable();
if (xfermode != defaultPaint.getXfermode())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"xfermode:%p ", xfermode);
SkDELETE(xfermode);
const SkMaskFilter* maskFilter = (const SkMaskFilter*) buffer.readFlattenable();
if (maskFilter != defaultPaint.getMaskFilter())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"maskFilter:%p ", maskFilter);
SkDELETE(maskFilter);
const SkColorFilter* colorFilter = (const SkColorFilter*) buffer.readFlattenable();
if (colorFilter != defaultPaint.getColorFilter())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"colorFilter:%p ", colorFilter);
SkDELETE(colorFilter);
const SkRasterizer* rasterizer = (const SkRasterizer*) buffer.readFlattenable();
if (rasterizer != defaultPaint.getRasterizer())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"rasterizer:%p ", rasterizer);
SkDELETE(rasterizer);
const SkDrawLooper* drawLooper = (const SkDrawLooper*) buffer.readFlattenable();
if (drawLooper != defaultPaint.getLooper())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"drawLooper:%p ", drawLooper);
SkDELETE(drawLooper);
unsigned color = buffer.readU32();
if (color != defaultPaint.getColor())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"color:0x%x ", color);
SkScalar strokeWidth = buffer.readScalar();
if (strokeWidth != defaultPaint.getStrokeWidth())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"strokeWidth:%g ", SkScalarToFloat(strokeWidth));
SkScalar strokeMiter = buffer.readScalar();
if (strokeMiter != defaultPaint.getStrokeMiter())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"strokeMiter:%g ", SkScalarToFloat(strokeMiter));
unsigned flags = buffer.readU16();
if (flags != defaultPaint.getFlags())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"flags:0x%x ", flags);
int align = buffer.readU8();
if (align != defaultPaint.getTextAlign())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"align:0x%x ", align);
int strokeCap = buffer.readU8();
if (strokeCap != defaultPaint.getStrokeCap())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"strokeCap:0x%x ", strokeCap);
int strokeJoin = buffer.readU8();
if (strokeJoin != defaultPaint.getStrokeJoin())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"align:0x%x ", strokeJoin);
int style = buffer.readU8();
if (style != defaultPaint.getStyle())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"style:0x%x ", style);
int textEncoding = buffer.readU8();
if (textEncoding != defaultPaint.getTextEncoding())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"textEncoding:0x%x ", textEncoding);
SkDebugf("%s\n", pBuffer);
}