1be1f8d097
SK_SUPPORT_LEGACY_BLURMASKFILTER Bug: skia: Change-Id: Ic3e27e08e6e3cd2ffc1cd13b044e197bebc96236 Reviewed-on: https://skia-review.googlesource.com/113940 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Florin Malita <fmalita@chromium.org>
104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/*
|
|
* Copyright 2011 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "SampleCode.h"
|
|
#include "SkBlurMask.h"
|
|
#include "SkBlurMaskFilter.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkSurface.h"
|
|
|
|
static SkBitmap make_bitmap() {
|
|
SkBitmap bm;
|
|
bm.allocN32Pixels(5, 5);
|
|
|
|
for (int y = 0; y < bm.height(); y++) {
|
|
uint32_t* p = bm.getAddr32(0, y);
|
|
for (int x = 0; x < bm.width(); x++) {
|
|
p[x] = ((x + y) & 1) ? SK_ColorWHITE : SK_ColorBLACK;
|
|
}
|
|
}
|
|
return bm;
|
|
}
|
|
|
|
class TextureDomainView : public SampleView {
|
|
SkBitmap fBM;
|
|
|
|
public:
|
|
TextureDomainView(){
|
|
fBM = make_bitmap();
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SampleCode::TitleR(evt, "Texture Domain");
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
virtual void onDrawContent(SkCanvas* canvas) {
|
|
SkRect srcRect;
|
|
SkRect dstRect;
|
|
SkPaint paint;
|
|
paint.setFilterQuality(kLow_SkFilterQuality);
|
|
|
|
// Test that bitmap draws from malloc-backed bitmaps respect
|
|
// the constrained texture domain.
|
|
srcRect.setXYWH(1, 1, 3, 3);
|
|
dstRect.setXYWH(5, 5, 305, 305);
|
|
canvas->drawBitmapRect(fBM, srcRect, dstRect, &paint, SkCanvas::kStrict_SrcRectConstraint);
|
|
|
|
// Test that bitmap draws across separate devices also respect
|
|
// the constrainted texture domain.
|
|
// Note: GPU-backed bitmaps follow a different rendering path
|
|
// when copying from one GPU device to another.
|
|
SkImageInfo info = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
|
|
auto surface(canvas->makeSurface(info));
|
|
|
|
srcRect.setXYWH(1, 1, 3, 3);
|
|
dstRect.setXYWH(1, 1, 3, 3);
|
|
surface->getCanvas()->drawBitmapRect(fBM, srcRect, dstRect, &paint,
|
|
SkCanvas::kStrict_SrcRectConstraint);
|
|
|
|
sk_sp<SkImage> image(surface->makeImageSnapshot());
|
|
|
|
srcRect.setXYWH(1, 1, 3, 3);
|
|
dstRect.setXYWH(405, 5, 305, 305);
|
|
canvas->drawImageRect(image, srcRect, dstRect, &paint);
|
|
|
|
// Test that bitmap blurring using a subrect
|
|
// renders correctly
|
|
srcRect.setXYWH(1, 1, 3, 3);
|
|
dstRect.setXYWH(5, 405, 305, 305);
|
|
paint.setMaskFilter(SkMaskFilter::MakeBlur(
|
|
kNormal_SkBlurStyle, SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)), false));
|
|
canvas->drawImageRect(image, srcRect, dstRect, &paint);
|
|
|
|
// Blur and a rotation + nullptr src rect
|
|
// This should not trigger the texture domain code
|
|
// but it will test a code path in SkGpuDevice::drawBitmap
|
|
// that handles blurs with rects transformed to non-
|
|
// orthogonal rects. It also tests the nullptr src rect handling
|
|
paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
|
|
SkBlurMask::ConvertRadiusToSigma(5)));
|
|
|
|
dstRect.setXYWH(-150, -150, 300, 300);
|
|
canvas->translate(550, 550);
|
|
canvas->rotate(45);
|
|
canvas->drawBitmapRect(fBM, dstRect, &paint);
|
|
}
|
|
private:
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new TextureDomainView; }
|
|
static SkViewRegister reg(MyFactory);
|