void onDraw(SkCanvas* canvas) override{
SkPaint blackFill;
//-----------
// Normal paints (no source)
SkTArray<SkPaint> paints;
create_paints(nullptr, &paints);
//-----------
// Paints with a PictureImageFilter as a source
SkAutoTUnref<SkPicture> pic;
{
SkPictureRecorder rec;
SkCanvas* c = rec.beginRecording(10, 10);
c->drawRect(SkRect::MakeWH(10, 10), blackFill);
pic.reset(rec.endRecording());
}
SkAutoTUnref<SkPictureImageFilter> pif(SkPictureImageFilter::Create(pic));
SkTArray<SkPaint> pifPaints;
create_paints(pif, &pifPaints);
//-----------
// Paints with a BitmapSource as a source
SkBitmap bm;
{
SkPaint p;
bm.allocN32Pixels(10, 10);
SkCanvas temp(bm);
temp.clear(SK_ColorYELLOW);
p.setColor(SK_ColorBLUE);
temp.drawRect(SkRect::MakeLTRB(5, 5, 10, 10), p);
p.setColor(SK_ColorGREEN);
temp.drawRect(SkRect::MakeLTRB(5, 0, 10, 5), p);
}
SkAutoTUnref<SkBitmapSource> bms(SkBitmapSource::Create(bm));
SkTArray<SkPaint> bmsPaints;
create_paints(bms, &bmsPaints);
//-----------
SkASSERT(paints.count() == kNumVertTiles);
SkASSERT(paints.count() == pifPaints.count());
SkASSERT(paints.count() == bmsPaints.count());
// horizontal separators
for (int i = 1; i < paints.count(); ++i) {
canvas->drawLine(0,
i*SkIntToScalar(kTileHeight),
SkIntToScalar((SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols)*kTileWidth),
i*SkIntToScalar(kTileHeight),
blackFill);
}
// vertical separators
for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols; ++i) {
canvas->drawLine(SkIntToScalar(i * kTileWidth),
0,
SkIntToScalar(i * kTileWidth),
SkIntToScalar(paints.count() * kTileWidth),
blackFill);
}
// A column of saveLayers with PictureImageFilters
for (int i = 0; i < pifPaints.count(); ++i) {
draw_savelayer_with_paint(SkIPoint::Make(0, i*kTileHeight),
canvas, pifPaints[i]);
}
// A column of saveLayers with BitmapSources
for (int i = 0; i < pifPaints.count(); ++i) {
draw_savelayer_with_paint(SkIPoint::Make(kTileWidth, i*kTileHeight),
canvas, bmsPaints[i]);
}
// Multiple columns with different geometry
for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds); ++i) {
for (int j = 0; j < paints.count(); ++j) {
draw_geom_with_paint(*gDrawMthds[i],
SkIPoint::Make((i+kNumXtraCols) * kTileWidth, j*kTileHeight),
canvas, paints[j]);
}
}
}
void onDraw(SkCanvas* canvas) override{
SkPaint blackFill;
//-----------
// Normal paints (no source)
SkTArray<SkPaint> paints;
create_paints(nullptr, &paints);
//-----------
// Paints with a PictureImageFilter as a source
sk_sp<SkPicture> pic;
{
SkPictureRecorder rec;
SkCanvas* c = rec.beginRecording(10, 10);
c->drawRect(SkRect::MakeWH(10, 10), blackFill);
pic = rec.finishRecordingAsPicture();
}
SkAutoTUnref<SkImageFilter> pif(SkPictureImageFilter::Create(pic.get()));
SkTArray<SkPaint> pifPaints;
create_paints(pif, &pifPaints);
//-----------
// Paints with a SkImageSource as a source
auto surface(SkSurface::MakeRasterN32Premul(10, 10));
{
SkPaint p;
SkCanvas* temp = surface->getCanvas();
temp->clear(SK_ColorYELLOW);
p.setColor(SK_ColorBLUE);
temp->drawRect(SkRect::MakeLTRB(5, 5, 10, 10), p);
p.setColor(SK_ColorGREEN);
temp->drawRect(SkRect::MakeLTRB(5, 0, 10, 5), p);
}
sk_sp<SkImage> image(surface->makeImageSnapshot());
SkAutoTUnref<SkImageFilter> imageSource(SkImageSource::Create(image.get()));
SkTArray<SkPaint> bmsPaints;
create_paints(imageSource, &bmsPaints);
//-----------
SkASSERT(paints.count() == kNumVertTiles);
SkASSERT(paints.count() == pifPaints.count());
SkASSERT(paints.count() == bmsPaints.count());
// horizontal separators
for (int i = 1; i < paints.count(); ++i) {
canvas->drawLine(0,
i*SkIntToScalar(kTileHeight),
SkIntToScalar((SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols)*kTileWidth),
i*SkIntToScalar(kTileHeight),
blackFill);
}
// vertical separators
for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols; ++i) {
canvas->drawLine(SkIntToScalar(i * kTileWidth),
0,
SkIntToScalar(i * kTileWidth),
SkIntToScalar(paints.count() * kTileWidth),
blackFill);
}
// A column of saveLayers with PictureImageFilters
for (int i = 0; i < pifPaints.count(); ++i) {
draw_savelayer_with_paint(SkIPoint::Make(0, i*kTileHeight),
canvas, pifPaints[i]);
}
// A column of saveLayers with BitmapSources
for (int i = 0; i < pifPaints.count(); ++i) {
draw_savelayer_with_paint(SkIPoint::Make(kTileWidth, i*kTileHeight),
canvas, bmsPaints[i]);
}
// Multiple columns with different geometry
for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds); ++i) {
for (int j = 0; j < paints.count(); ++j) {
draw_geom_with_paint(*gDrawMthds[i],
SkIPoint::Make((i+kNumXtraCols) * kTileWidth, j*kTileHeight),
canvas, paints[j]);
}
}
}
