switch over to using images
BUG=skia: TBR= Review URL: https://codereview.chromium.org/1313543004
This commit is contained in:
parent
9a50174dbc
commit
4228c1fa2c
@ -9,24 +9,24 @@
|
||||
#include "SkCanvas.h"
|
||||
#include "SkGradientShader.h"
|
||||
#include "SkPath.h"
|
||||
#include "SkSurface.h"
|
||||
|
||||
static void make_bm(SkBitmap* bm, int width, int height, SkColor colors[2]) {
|
||||
bm->allocN32Pixels(width, height);
|
||||
SkCanvas canvas(*bm);
|
||||
SkPoint center = {SkIntToScalar(width)/2, SkIntToScalar(height)/2};
|
||||
SkScalar radius = 40;
|
||||
static SkImage* make_image(int width, int height, SkColor colors[2]) {
|
||||
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height));
|
||||
|
||||
const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 };
|
||||
const SkScalar radius = 40;
|
||||
SkShader* shader = SkGradientShader::CreateRadial(center, radius, colors, nullptr, 2,
|
||||
SkShader::kMirror_TileMode);
|
||||
SkPaint paint;
|
||||
paint.setShader(shader)->unref();
|
||||
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
|
||||
canvas.drawPaint(paint);
|
||||
bm->setImmutable();
|
||||
surface->getCanvas()->drawPaint(paint);
|
||||
return surface->newImageSnapshot();
|
||||
}
|
||||
|
||||
static void show_bm(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
|
||||
SkBitmap bm;
|
||||
make_bm(&bm, width, height, colors);
|
||||
static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
|
||||
SkAutoTUnref<SkImage> image(make_image(width, height, colors));
|
||||
|
||||
SkPaint paint;
|
||||
SkRect r;
|
||||
@ -39,18 +39,16 @@ static void show_bm(SkCanvas* canvas, int width, int height, SkColor colors[2])
|
||||
|
||||
canvas->save();
|
||||
canvas->clipRect(r);
|
||||
canvas->drawBitmap(bm, 0, 0, nullptr);
|
||||
canvas->drawImage(image, 0, 0, nullptr);
|
||||
canvas->restore();
|
||||
canvas->drawRect(r, paint);
|
||||
|
||||
r.offset(SkIntToScalar(150), 0);
|
||||
// exercises extract bitmap, but not shader
|
||||
canvas->drawBitmapRect(bm, ir, r, nullptr);
|
||||
canvas->drawImageRect(image, ir, r, nullptr);
|
||||
canvas->drawRect(r, paint);
|
||||
|
||||
r.offset(SkIntToScalar(150), 0);
|
||||
// exercises bitmapshader
|
||||
canvas->drawBitmapRect(bm, r, nullptr);
|
||||
canvas->drawImageRect(image, r, nullptr);
|
||||
canvas->drawRect(r, paint);
|
||||
}
|
||||
|
||||
@ -79,31 +77,28 @@ protected:
|
||||
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
|
||||
colors[0] = SK_ColorRED;
|
||||
colors[1] = SK_ColorGREEN;
|
||||
show_bm(canvas, small, small, colors);
|
||||
show_image(canvas, small, small, colors);
|
||||
canvas->translate(0, SkIntToScalar(150));
|
||||
|
||||
colors[0] = SK_ColorBLUE;
|
||||
colors[1] = SK_ColorMAGENTA;
|
||||
show_bm(canvas, big, small, colors);
|
||||
show_image(canvas, big, small, colors);
|
||||
canvas->translate(0, SkIntToScalar(150));
|
||||
|
||||
colors[0] = SK_ColorMAGENTA;
|
||||
colors[1] = SK_ColorYELLOW;
|
||||
show_bm(canvas, medium, medium, colors);
|
||||
show_image(canvas, medium, medium, colors);
|
||||
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_bm(canvas, veryBig, small, colors);
|
||||
show_image(canvas, veryBig, small, colors);
|
||||
}
|
||||
|
||||
private:
|
||||
typedef skiagm::GM INHERITED;
|
||||
};
|
||||
DEF_GM( return new VeryLargeBitmapGM; )
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
static skiagm::GM* MyFactory(void*) { return new VeryLargeBitmapGM; }
|
||||
static skiagm::GMRegistry reg(MyFactory);
|
||||
|
Loading…
Reference in New Issue
Block a user