AuroraMiddleware/skia2
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add picture-image variant

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BUG=skia:

Review URL: https://codereview.chromium.org/1329283002
This commit is contained in:
reed 2015-09-09 11:29:09 -07:00 committed by Commit bot
parent 61a81e3947
commit 7628967820
1 changed files with 33 additions and 13 deletions
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46
gm/verylargebitmap.cpp
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@ -9,11 +9,10 @@
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkPath.h"
#include "SkPictureRecorder.h"
#include "SkSurface.h"
static SkImage* make_image(int width, int height, SkColor colors[2]) {
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height));
static void draw(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 };
const SkScalar radius = 40;
SkShader* shader = SkGradientShader::CreateRadial(center, radius, colors, nullptr, 2,
@ -21,12 +20,27 @@ static SkImage* make_image(int width, int height, SkColor colors[2]) {
SkPaint paint;
paint.setShader(shader)->unref();
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
surface->getCanvas()->drawPaint(paint);
canvas->drawPaint(paint);
}
static SkImage* make_raster_image(int width, int height, SkColor colors[2]) {
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height));
draw(surface->getCanvas(), width, height, colors);
return surface->newImageSnapshot();
}
static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
SkAutoTUnref<SkImage> image(make_image(width, height, colors));
static SkImage* make_picture_image(int width, int height, SkColor colors[2]) {
SkPictureRecorder recorder;
draw(recorder.beginRecording(SkRect::MakeIWH(width, height)), width, height, colors);
return SkImage::NewFromPicture(recorder.endRecording(), SkISize::Make(width, height),
nullptr, nullptr);
}
typedef SkImage* (*ImageMakerProc)(int width, int height, SkColor colors[2]);
static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2],
ImageMakerProc proc) {
SkAutoTUnref<SkImage> image(proc(width, height, colors));
SkPaint paint;
SkRect r;
@ -53,12 +67,17 @@ static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2
}
class VeryLargeBitmapGM : public skiagm::GM {
ImageMakerProc fProc;
SkString fName;
public:
VeryLargeBitmapGM() {}
VeryLargeBitmapGM(ImageMakerProc proc, const char suffix[]) : fProc(proc) {
fName.printf("verylarge%s", suffix);
}
protected:
SkString onShortName() override {
return SkString("verylargebitmap");
return fName;
}
SkISize onISize() override {
@ -77,28 +96,29 @@ protected:
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
colors[0] = SK_ColorRED;
colors[1] = SK_ColorGREEN;
show_image(canvas, small, small, colors);
show_image(canvas, small, small, colors, fProc);
canvas->translate(0, SkIntToScalar(150));
colors[0] = SK_ColorBLUE;
colors[1] = SK_ColorMAGENTA;
show_image(canvas, big, small, colors);
show_image(canvas, big, small, colors, fProc);
canvas->translate(0, SkIntToScalar(150));
colors[0] = SK_ColorMAGENTA;
colors[1] = SK_ColorYELLOW;
show_image(canvas, medium, medium, colors);
show_image(canvas, medium, medium, colors, fProc);
canvas->translate(0, SkIntToScalar(150));
colors[0] = SK_ColorGREEN;
colors[1] = SK_ColorYELLOW;
// as of this writing, the raster code will fail to draw the scaled version
// since it has a 64K limit on x,y coordinates... (but gpu should succeed)
show_image(canvas, veryBig, small, colors);
show_image(canvas, veryBig, small, colors, fProc);
}
private:
typedef skiagm::GM INHERITED;
};
DEF_GM( return new VeryLargeBitmapGM; )
DEF_GM( return new VeryLargeBitmapGM(make_raster_image, "bitmap"); )
DEF_GM( return new VeryLargeBitmapGM(make_picture_image, "_picture_image"); )