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Bitmap_setImmutable.cpp File Reference
#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions

 REG_FIDDLE (Bitmap_setImmutable, 256, 256, true, 0)
 

Function Documentation

◆ REG_FIDDLE()

REG_FIDDLE ( Bitmap_setImmutable  ,
256  ,
256  ,
true  ,
 
)

Definition at line 4 of file Bitmap_setImmutable.cpp.

4 {
5void draw(SkCanvas* canvas) {
8 bitmap.allocPixels();
9 SkCanvas offscreen(bitmap);
10 SkDebugf("draw white\n");
11 offscreen.clear(SK_ColorWHITE);
12 bitmap.setImmutable();
13 SkDebugf("draw black\n");
14 // Triggers assert if SK_DEBUG is true, runs fine otherwise.
15 // offscreen.clear(SK_ColorBLACK);
16}
17} // END FIDDLE
@ kPremul_SkAlphaType
pixel components are premultiplied by alpha
Definition: SkAlphaType.h:29
constexpr SkColor SK_ColorWHITE
Definition: SkColor.h:122
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition: aaclip.cpp:27
Definition: bitmap.py:1
static SkImageInfo MakeN32(int width, int height, SkAlphaType at)