SkTextBlobTrace Namespace Reference

Classes
class	Capture
struct	Record

Functions
std::vector< SkTextBlobTrace::Record >	CreateBlobTrace (SkStream *stream, sk_sp< SkFontMgr > lastResortMgr)
void	DumpTrace (const std::vector< SkTextBlobTrace::Record > &)

Function Documentation

CreateBlobTrace()

std::vector< SkTextBlobTrace::Record > SkTextBlobTrace::CreateBlobTrace	(	SkStream *	stream,
		sk_sp< SkFontMgr >	lastResortMgr
	)

Definition at line 25 of file SkTextBlobTrace.cpp.

                                                          {
    std::vector<SkTextBlobTrace::Record> trace;
 
    uint32_t typefaceCount;
    if (!stream->readU32(&typefaceCount)) {
        return trace;
    }
 
    std::vector<sk_sp<SkTypeface>> typefaceArray;
    for (uint32_t i = 0; i < typefaceCount; i++) {
        typefaceArray.push_back(SkTypeface::MakeDeserialize(stream, lastResortMgr));
    }
 
    uint32_t restOfFile;
    if (!stream->readU32(&restOfFile)) {
        return trace;
    }
    sk_sp<SkData> data = SkData::MakeFromStream(stream, restOfFile);
    SkReadBuffer readBuffer{data->data(), data->size()};
    readBuffer.setTypefaceArray(typefaceArray.data(), typefaceArray.size());
 
    while (!readBuffer.eof()) {
        SkTextBlobTrace::Record record;
        record.origUniqueID = readBuffer.readUInt();
        record.paint = readBuffer.readPaint();
        readBuffer.readPoint(&record.offset);
        record.blob = SkTextBlobPriv::MakeFromBuffer(readBuffer);
        trace.push_back(std::move(record));
    }
    return trace;
}

DumpTrace()

void SkTextBlobTrace::DumpTrace

(

const std::vector< SkTextBlobTrace::Record > &

trace

)

Definition at line 58 of file SkTextBlobTrace.cpp.

                                                                             {
    for (const SkTextBlobTrace::Record& record : trace) {
        const SkTextBlob* blob = record.blob.get();
        const SkPaint& p = record.paint;
        bool weirdPaint = p.getStyle() != SkPaint::kFill_Style
        || p.getMaskFilter() != nullptr
        || p.getPathEffect() != nullptr;
 
        SkDebugf("Blob %u ( %g %g ) %d\n  ",
                blob->uniqueID(), record.offset.x(), record.offset.y(), weirdPaint);
        SkTextBlobRunIterator iter(blob);
        int runNumber = 0;
        while (!iter.done()) {
            SkDebugf("Run %d\n    ", runNumber);
            SkFont font = iter.font();
            SkDebugf("Font %u %g %g %g %d %d %d\n    ",
                    font.getTypeface()->uniqueID(),
                    font.getSize(),
                    font.getScaleX(),
                    font.getSkewX(),
                    SkFontPriv::Flags(font),
                    (int)font.getEdging(),
                    (int)font.getHinting());
            uint32_t glyphCount = iter.glyphCount();
            const uint16_t* glyphs = iter.glyphs();
            for (uint32_t i = 0; i < glyphCount; i++) {
                SkDebugf("%02X ", glyphs[i]);
            }
            SkDebugf("\n");
            runNumber += 1;
            iter.next();
        }
    }
}