Flutter Engine
The Flutter Engine
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Bitmap_eraseARGB.cpp File Reference
#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions

 REG_FIDDLE (Bitmap_eraseARGB, 256, 80, false, 0)
 

Function Documentation

◆ REG_FIDDLE()

REG_FIDDLE ( Bitmap_eraseARGB  ,
256  ,
80  ,
false  ,
 
)

Definition at line 4 of file Bitmap_eraseARGB.cpp.

4 {
5void draw(SkCanvas* canvas) {
8 bitmap.eraseARGB(0x7f, 0xff, 0x7f, 0x3f);
9 canvas->scale(50, 50);
10 canvas->drawImage(bitmap.asImage(), 0, 0);
11 canvas->drawImage(bitmap.asImage(), .5f, .5f);
12}
13} // END FIDDLE
@ kPremul_SkAlphaType
pixel components are premultiplied by alpha
Definition: SkAlphaType.h:29
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
void scale(SkScalar sx, SkScalar sy)
Definition: SkCanvas.cpp:1289
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
Definition: bitmap.py:1
static SkImageInfo MakeN32(int width, int height, SkAlphaType at)