static void* draw_proc(void* context) {
const int OVALW = 32;
const int OVALH = 32;
const SkBitmap* bm = static_cast<const SkBitmap*>(context);
SkFlipPixelRef* ref = static_cast<SkFlipPixelRef*>(bm->pixelRef());
const int DSCALE = 1;
SkScalar dx = SkIntToScalar(7) / DSCALE;
SkScalar dy = SkIntToScalar(5) / DSCALE;
SkScalar x = 0;
SkScalar y = 0;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);
SkRect oval;
oval.setEmpty();
while (!gDone) {
ref->inval(oval, true);
oval.set(x, y, x + SkIntToScalar(OVALW), y + SkIntToScalar(OVALH));
ref->inval(oval, true);
SkAutoFlipUpdate update(ref);
if (!update.dirty().isEmpty()) {
// this must be local to the loop, since it needs to forget the pixels
// its writing to after each iteration, since we do the swap
SkCanvas canvas(update.bitmap());
// SkDebugf("----- dirty [%d %d %d %d]\n", dirty.getBounds().fLeft, dirty.getBounds().fTop, dirty.getBounds().width(), dirty.getBounds().height());
canvas.clipRegion(update.dirty());
canvas.drawColor(0, SkXfermode::kClear_Mode);
canvas.drawOval(oval, paint);
}
bounce(&x, &dx, WIDTH-OVALW);
bounce(&y, &dy, HEIGHT-OVALH);
#if 1
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 10000; j++) {
SkFixedMul(j, 10);
}
}
#endif
}
return NULL;
}
static void* draw_proc(void* context) {
const int OVALW = 32;
const int OVALH = 32;
const SkBitmap* bm = static_cast<const SkBitmap*>(context);
SkFlipPixelRef* ref = static_cast<SkFlipPixelRef*>(bm->pixelRef());
const int DSCALE = 1;
SkScalar dx = SkIntToScalar(7) / DSCALE;
SkScalar dy = SkIntToScalar(5) / DSCALE;
SkScalar x = 0;
SkScalar y = 0;
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);
SkRect oval;
oval.setEmpty();
SkRect clipR = SkRect::MakeWH(SkIntToScalar(bm->width()), SkIntToScalar(bm->height()));
clipR.inset(SK_Scalar1/4, SK_Scalar1/4);
while (!gDone) {
ref->inval(oval, true);
oval.set(x, y, x + SkIntToScalar(OVALW), y + SkIntToScalar(OVALH));
ref->inval(oval, true);
SkAutoFlipUpdate update(ref);
if (!update.dirty().isEmpty()) {
// this must be local to the loop, since it needs to forget the pixels
// its writing to after each iteration, since we do the swap
SkCanvas canvas(update.bitmap());
canvas.clipRegion(update.dirty());
canvas.drawColor(0, SkXfermode::kClear_Mode);
canvas.clipRect(clipR, SkRegion::kIntersect_Op, true);
canvas.drawOval(oval, paint);
}
bounce(&x, &dx, WIDTH-OVALW);
bounce(&y, &dy, HEIGHT-OVALH);
}
return NULL;
}