void SkGScalerContext::generateAdvance(SkGlyph* glyph) {
fProxy->getAdvance(glyph);
SkVector advance;
fMatrix.mapXY(SkFloatToScalar(glyph->fAdvanceX),
SkFloatToScalar(glyph->fAdvanceY), &advance);
glyph->fAdvanceX = SkScalarToFloat(advance.fX);
glyph->fAdvanceY = SkScalarToFloat(advance.fY);
}
void SkRandomScalerContext::generateMetrics(SkGlyph* glyph) {
fProxy->getAdvance(glyph);
SkVector advance;
fMatrix.mapXY(SkFixedToScalar(glyph->fAdvanceX),
SkFixedToScalar(glyph->fAdvanceY), &advance);
glyph->fAdvanceX = SkScalarToFixed(advance.fX);
glyph->fAdvanceY = SkScalarToFixed(advance.fY);
SkPath path;
fProxy->getPath(*glyph, &path);
path.transform(fMatrix);
SkRect storage;
const SkPaint& paint = fFace->paint();
const SkRect& newBounds = paint.doComputeFastBounds(path.getBounds(),
&storage,
SkPaint::kFill_Style);
SkIRect ibounds;
newBounds.roundOut(&ibounds);
glyph->fLeft = ibounds.fLeft;
glyph->fTop = ibounds.fTop;
glyph->fWidth = ibounds.width();
glyph->fHeight = ibounds.height();
// Here we will change the mask format of the glyph
// NOTE this is being overridden by the base class
SkMask::Format format;
switch (glyph->getGlyphID() % 6) {
case 0:
format = SkMask::kLCD16_Format;
break;
case 1:
format = SkMask::kA8_Format;
break;
case 2:
format = SkMask::kARGB32_Format;
break;
default:
// we will fiddle with these in generate image
format = (SkMask::Format)MASK_FORMAT_UNKNOWN;
}
glyph->fMaskFormat = format;
}
void SkRandomScalerContext::generateAdvance(SkGlyph* glyph) {
fProxy->getAdvance(glyph);
}