void GrStencilAndCoverTextContext::TextBlob::init(const SkTextBlob* skBlob,
const SkPaint& skPaint) {
fCpuMemorySize = sizeof(TextBlob);
SkPaint runPaint(skPaint);
for (SkTextBlobRunIterator iter(skBlob); !iter.done(); iter.next()) {
iter.applyFontToPaint(&runPaint); // No need to re-seed the paint.
if (runPaint.getTextSize() <= 0) {
continue;
}
TextRun* run = this->addToTail(runPaint);
const char* text = reinterpret_cast<const char*>(iter.glyphs());
size_t byteLength = sizeof(uint16_t) * iter.glyphCount();
const SkPoint& runOffset = iter.offset();
switch (iter.positioning()) {
case SkTextBlob::kDefault_Positioning:
run->setText(text, byteLength, runOffset.fX, runOffset.fY);
break;
case SkTextBlob::kHorizontal_Positioning:
run->setPosText(text, byteLength, iter.pos(), 1, SkPoint::Make(0, runOffset.fY));
break;
case SkTextBlob::kFull_Positioning:
run->setPosText(text, byteLength, iter.pos(), 2, SkPoint::Make(0, 0));
break;
}
fCpuMemorySize += run->computeSizeInCache();
}
}
void GrStencilAndCoverTextContext::TextBlob::init(const SkTextBlob* skBlob, const SkPaint& skPaint,
GrContext* ctx, const SkSurfaceProps* props) {
fCpuMemorySize = sizeof(TextBlob);
SkPaint runPaint(skPaint);
for (SkTextBlob::RunIterator iter(skBlob); !iter.done(); iter.next()) {
iter.applyFontToPaint(&runPaint); // No need to re-seed the paint.
TextRun* run = SkNEW_INSERT_AT_LLIST_TAIL(this, TextRun, (runPaint));
const char* text = reinterpret_cast<const char*>(iter.glyphs());
size_t byteLength = sizeof(uint16_t) * iter.glyphCount();
const SkPoint& runOffset = iter.offset();
switch (iter.positioning()) {
case SkTextBlob::kDefault_Positioning:
run->setText(text, byteLength, runOffset.fX, runOffset.fY, ctx, props);
break;
case SkTextBlob::kHorizontal_Positioning:
run->setPosText(text, byteLength, iter.pos(), 1, SkPoint::Make(0, runOffset.fY),
ctx, props);
break;
case SkTextBlob::kFull_Positioning:
run->setPosText(text, byteLength, iter.pos(), 2, SkPoint::Make(0, 0), ctx, props);
break;
}
fCpuMemorySize += run->cpuMemorySize();
}
}
void GrStencilAndCoverTextContext::uncachedDrawTextBlob(GrContext* context,
GrRenderTargetContext* rtc,
const GrClip& clip,
const SkPaint& skPaint,
const SkMatrix& viewMatrix,
const SkSurfaceProps& props,
const SkTextBlob* blob,
SkScalar x, SkScalar y,
SkDrawFilter* drawFilter,
const SkIRect& clipBounds) {
GrTextUtils::Paint paint(&skPaint);
GrTextUtils::RunPaint runPaint(&paint, drawFilter, props);
SkTextBlobRunIterator it(blob);
for (;!it.done(); it.next()) {
if (!runPaint.modifyForRun(it)) {
continue;
}
size_t textLen = it.glyphCount() * sizeof(uint16_t);
const SkPoint& offset = it.offset();
switch (it.positioning()) {
case SkTextBlob::kDefault_Positioning:
this->drawText(context, rtc, clip, runPaint, viewMatrix, props,
(const char*)it.glyphs(), textLen, x + offset.x(), y + offset.y(),
clipBounds);
break;
case SkTextBlob::kHorizontal_Positioning:
this->drawPosText(context, rtc, clip, runPaint, viewMatrix, props,
(const char*)it.glyphs(), textLen, it.pos(), 1,
SkPoint::Make(x, y + offset.y()), clipBounds);
break;
case SkTextBlob::kFull_Positioning:
this->drawPosText(context, rtc, clip, runPaint, viewMatrix, props,
(const char*)it.glyphs(), textLen, it.pos(), 2,
SkPoint::Make(x, y), clipBounds);
break;
}
}
}
