dd768fa29b
SkBitmap::eraseRGB is marked as deprecated. After this CL the code should have the exact same behavior as previously, but without calling the deprecated function. The presence of this deprecated call is causing extra warnings in the iOS build. Change-Id: I0770ca0a7e9884e7122f431a9ed2d3fdb2bbd6f8 Reviewed-on: https://skia-review.googlesource.com/8581 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Ben Wagner <bungeman@google.com>
119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
/*
|
|
* Copyright 2017 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm.h"
|
|
#include "SkImageSource.h"
|
|
#include "SkMagnifierImageFilter.h"
|
|
#include "SkSurface.h"
|
|
|
|
static sk_sp<SkImage> make_image(GrContext* context, int size, GrSurfaceOrigin origin) {
|
|
if (context) {
|
|
SkImageInfo ii = SkImageInfo::Make(size, size, kN32_SkColorType, kPremul_SkAlphaType);
|
|
sk_sp<SkSurface> surf(SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii, 0,
|
|
origin, nullptr));
|
|
if (!surf) {
|
|
return nullptr;
|
|
}
|
|
|
|
SkCanvas* canvas = surf->getCanvas();
|
|
|
|
canvas->clear(SK_ColorRED);
|
|
canvas->drawPoint(1.5f, 1.5f, SK_ColorGREEN);
|
|
canvas->drawPoint(2.5f, 1.5f, SK_ColorBLUE);
|
|
canvas->drawPoint(1.5f, 2.5f, SK_ColorCYAN);
|
|
canvas->drawPoint(2.5f, 2.5f, SK_ColorGRAY);
|
|
|
|
return surf->makeImageSnapshot();
|
|
} else {
|
|
SkBitmap bm;
|
|
bm.allocN32Pixels(size, size);
|
|
bm.eraseColor(SK_ColorRED);
|
|
*bm.getAddr32(1, 1) = SkPackARGB32(0xFF, 0x00, 0xFF, 0x00);
|
|
*bm.getAddr32(2, 1) = SkPackARGB32(0xFF, 0x00, 0x00, 0xFF);
|
|
*bm.getAddr32(1, 2) = SkPackARGB32(0xFF, 0x00, 0xFF, 0xFF);
|
|
*bm.getAddr32(2, 2) = SkPackARGB32(0xFF, 0x88, 0x88, 0x88);
|
|
|
|
return SkImage::MakeFromBitmap(bm);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This GM creates an image with a 2x2:
|
|
* Green | Blue
|
|
* ------------
|
|
* Cyan | Gray
|
|
* block of pixels in one corner of a 33x33 field. The 'srcRect' feature of the
|
|
* SkMagnifierImageFilter is then used to blow it up with different inset border widths.
|
|
*
|
|
* In GPU-mode we wind up drawing 4 rects:
|
|
*
|
|
* BottomLeft origin + 1-wide inset | TopLeft origin + 1-wide inset
|
|
* ----------------------------------------------------------------
|
|
* BottomLeft origin + 7-wide inset | TopLeft origin + 7-wide inset
|
|
*
|
|
* In Raster-mode the source origin isn't used.
|
|
*/
|
|
class SimpleMagnificationGM : public skiagm::GM {
|
|
public:
|
|
SimpleMagnificationGM() {
|
|
this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
|
|
}
|
|
|
|
protected:
|
|
SkString onShortName() override {
|
|
return SkString("simple-magnification");
|
|
}
|
|
|
|
SkISize onISize() override {
|
|
return SkISize::Make(3*kPad+2*kImgSize, 3*kPad+2*kImgSize);
|
|
}
|
|
|
|
void draw(SkCanvas* canvas, sk_sp<SkImage> image, const SkIPoint& offset, int inset) {
|
|
sk_sp<SkImageFilter> imgSrc(SkImageSource::Make(std::move(image)));
|
|
|
|
SkRect srcRect = SkRect::MakeXYWH(1.0f, 1.0f, 2.0f, 2.0f);
|
|
sk_sp<SkImageFilter> magFilter(SkMagnifierImageFilter::Make(srcRect, inset, imgSrc));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(magFilter));
|
|
|
|
canvas->save();
|
|
canvas->translate(offset.fX, offset.fY);
|
|
SkRect rect = SkRect::MakeWH(kImgSize, kImgSize);
|
|
canvas->drawRect(rect, paint);
|
|
|
|
canvas->restore();
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
GrContext* context = canvas->getGrContext();
|
|
|
|
sk_sp<SkImage> bottomLImg = make_image(context, kImgSize, kBottomLeft_GrSurfaceOrigin);
|
|
sk_sp<SkImage> topLImg = make_image(context, kImgSize, kTopLeft_GrSurfaceOrigin);
|
|
if (!bottomLImg || !topLImg) {
|
|
return;
|
|
}
|
|
|
|
int bigOffset = 2 * kPad + kImgSize;
|
|
|
|
this->draw(canvas, bottomLImg, SkIPoint::Make(kPad, kPad), 1);
|
|
this->draw(canvas, topLImg, SkIPoint::Make(bigOffset, kPad), 1);
|
|
this->draw(canvas, bottomLImg, SkIPoint::Make(kPad, bigOffset), 7);
|
|
this->draw(canvas, topLImg, SkIPoint::Make(bigOffset, bigOffset), 7);
|
|
}
|
|
|
|
private:
|
|
static const int kImgSize = 33;
|
|
static const int kPad = 2;
|
|
|
|
typedef skiagm::GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return new SimpleMagnificationGM;)
|