Exemple #1
0
SkUnichar SkScalerContext::glyphIDToChar(uint16_t glyphID) {
    SkScalerContext* ctx = this;
    unsigned rangeEnd = 0;
    do {
        unsigned rangeStart = rangeEnd;

        rangeEnd += ctx->getGlyphCount();
        if (rangeStart <= glyphID && glyphID < rangeEnd) {
            return ctx->generateGlyphToChar(glyphID - rangeStart);
        }
        ctx = ctx->getNextContext();
    } while (NULL != ctx);
    return 0;
}
Exemple #2
0
SkScalerContext* SkScalerContext::getGlyphContext(const SkGlyph& glyph) {
    unsigned glyphID = glyph.getGlyphID();
    SkScalerContext* ctx = this;
    for (;;) {
        unsigned count = ctx->getGlyphCount();
        if (glyphID < count) {
            break;
        }
        glyphID -= count;
        ctx = ctx->getNextContext();
        if (NULL == ctx) {
            SkDebugf("--- no context for glyph %x\n", glyph.getGlyphID());
            // just return the original context (this)
            return this;
        }
    }
    return ctx;
}
unsigned SkRandomScalerContext::generateGlyphCount() {
    return fProxy->getGlyphCount();
}