static void writeFrames() {
const int scale = 5;
for (int index = 0; index < (int) SK_ARRAY_COUNT(frameSizes); ++index) {
SkDRect bounds;
bool boundsSet = false;
int frameSize = frameSizes[index];
for (int fIndex = 0; fIndex < frameSize; ++fIndex) {
const SkDConic& dC = frames[index][fIndex];
SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale },
{dC.fPts[1].fX * scale, dC.fPts[1].fY * scale },
{dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight };
SkDRect dBounds;
dBounds.setBounds(dConic);
if (!boundsSet) {
bounds = dBounds;
boundsSet = true;
} else {
bounds.add((SkDPoint&) dBounds.fLeft);
bounds.add((SkDPoint&) dBounds.fRight);
}
}
bounds.fLeft -= 10;
bounds.fTop -= 10;
bounds.fRight += 10;
bounds.fBottom += 10;
SkBitmap bitmap;
bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul(
SkScalarRoundToInt(SkDoubleToScalar(bounds.width())),
SkScalarRoundToInt(SkDoubleToScalar(bounds.height()))));
SkCanvas canvas(bitmap);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
canvas.translate(SkDoubleToScalar(-bounds.fLeft), SkDoubleToScalar(-bounds.fTop));
canvas.drawColor(SK_ColorWHITE);
for (int fIndex = 0; fIndex < frameSize; ++fIndex) {
const SkDConic& dC = frames[index][fIndex];
SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale },
{dC.fPts[1].fX * scale, dC.fPts[1].fY * scale },
{dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight };
SkPath path;
path.moveTo(dConic.fPts[0].asSkPoint());
path.conicTo(dConic.fPts[1].asSkPoint(), dConic.fPts[2].asSkPoint(), dConic.fWeight);
if (fIndex < 2) {
paint.setARGB(0x80, 0xFF, 0, 0);
} else {
paint.setARGB(0x80, 0, 0, 0xFF);
}
canvas.drawPath(path, paint);
}
SkString filename("c:\\Users\\caryclark\\Documents\\");
filename.appendf("f%d.png", index);
SkImageEncoder::EncodeFile(filename.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100);
}
}
static void writeDPng(const SkDConic& dC, const char* name) {
const int scale = 5;
SkDConic dConic = {{{ {dC.fPts[0].fX * scale, dC.fPts[0].fY * scale },
{dC.fPts[1].fX * scale, dC.fPts[1].fY * scale },
{dC.fPts[2].fX * scale, dC.fPts[2].fY * scale }}}, dC.fWeight };
SkBitmap bitmap;
SkDRect bounds;
bounds.setBounds(dConic);
bounds.fLeft -= 10;
bounds.fTop -= 10;
bounds.fRight += 10;
bounds.fBottom += 10;
bitmap.tryAllocPixels(SkImageInfo::MakeN32Premul(
SkScalarRoundToInt(SkDoubleToScalar(bounds.width())),
SkScalarRoundToInt(SkDoubleToScalar(bounds.height()))));
SkCanvas canvas(bitmap);
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
canvas.translate(SkDoubleToScalar(-bounds.fLeft), SkDoubleToScalar(-bounds.fTop));
canvas.drawColor(SK_ColorWHITE);
SkPath path;
path.moveTo(dConic.fPts[0].asSkPoint());
path.conicTo(dConic.fPts[1].asSkPoint(), dConic.fPts[2].asSkPoint(), dConic.fWeight);
paint.setARGB(0x80, 0xFF, 0, 0);
canvas.drawPath(path, paint);
path.reset();
const int chops = 2;
for (int tIndex = 0; tIndex < chops; ++tIndex) {
SkDConic chopped = dConic.subDivide(tIndex / (double) chops,
(tIndex + 1) / (double) chops);
path.moveTo(chopped.fPts[0].asSkPoint());
path.conicTo(chopped.fPts[1].asSkPoint(), chopped.fPts[2].asSkPoint(), chopped.fWeight);
}
paint.setARGB(0x80, 0, 0, 0xFF);
canvas.drawPath(path, paint);
SkString filename("c:\\Users\\caryclark\\Documents\\");
filename.appendf("%s.png", name);
SkImageEncoder::EncodeFile(filename.c_str(), bitmap,
SkImageEncoder::kPNG_Type, 100);
}
