Example #1
0
// doesn't work yet
void comparePathsTiny(const SkPath& one, const SkPath& two) {
    const SkRect& bounds1 = one.getBounds();
    const SkRect& bounds2 = two.getBounds();
    SkRect larger = bounds1;
    larger.join(bounds2);
    SkBitmap bits;
    int bitWidth = SkScalarCeil(larger.width()) + 2;
    int bitHeight = SkScalarCeil(larger.height()) + 2;
    bits.setConfig(SkBitmap::kA1_Config, bitWidth * 2, bitHeight);
    bits.allocPixels();
    SkCanvas canvas(bits);
    canvas.drawColor(SK_ColorWHITE);
    SkPaint paint;
    canvas.save();
    canvas.translate(-bounds1.fLeft + 1, -bounds1.fTop + 1);
    canvas.drawPath(one, paint);
    canvas.restore();
    canvas.save();
    canvas.translate(-bounds2.fLeft + 1, -bounds2.fTop + 1);
    canvas.drawPath(two, paint);
    canvas.restore();
    for (int y = 0; y < bitHeight; ++y) {
        uint8_t* addr1 = bits.getAddr1(0, y);
        uint8_t* addr2 = bits.getAddr1(bitWidth, y);
        for (int x = 0; x < bits.rowBytes(); ++x) {
            SkASSERT(addr1[x] == addr2[x]);
        }
    }
}