Flutter Engine
The Flutter Engine
Functions
Bitmap_tryAllocPixels_2.cpp File Reference
#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions

 REG_FIDDLE (Bitmap_tryAllocPixels_2, 256, 256, false, 3)
 

Function Documentation

◆ REG_FIDDLE()

REG_FIDDLE ( Bitmap_tryAllocPixels_2  ,
256  ,
256  ,
false  ,
 
)

Definition at line 4 of file Bitmap_tryAllocPixels_2.cpp.

4 {
5void draw(SkCanvas* canvas) {
8 SkCanvas offscreen(bitmap);
9 offscreen.scale(.25f, .5f);
10 for (int y : { 0, 64, 128, 192 } ) {
11 offscreen.drawImage(source.asImage(), -y, -y);
12 canvas->drawImage(bitmap.asImage(), y, y);
13 }
14 }
15}
16} // END FIDDLE
@ kOpaque_SkAlphaType
pixel is opaque
Definition: SkAlphaType.h:28
@ kGray_8_SkColorType
pixel with grayscale level in 8-bit byte
Definition: SkColorType.h:35
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
sk_sp< SkImage > asImage() const
Definition: SkBitmap.cpp:645
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition: SkCanvas.h:1528
SkBitmap source
Definition: examples.cpp:28
double y
Definition: bitmap.py:1
static SkImageInfo Make(int width, int height, SkColorType ct, SkAlphaType at)