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

Go to the source code of this file.

Functions

 REG_FIDDLE (Surface_MakeRaster, 256, 256, true, 0)
 

Function Documentation

◆ REG_FIDDLE()

REG_FIDDLE ( Surface_MakeRaster  ,
256  ,
256  ,
true  ,
 
)

Definition at line 4 of file Surface_MakeRaster.cpp.

4 {
5void draw(SkCanvas* ) {
7 const size_t rowBytes = 64;
9 SkCanvas* canvas = surface->getCanvas();
10 canvas->clear(SK_ColorWHITE);
11 SkPixmap pixmap;
12 if (surface->peekPixels(&pixmap)) {
13 const uint32_t* colorPtr = pixmap.addr32();
14 SkPMColor pmWhite = colorPtr[0];
16 canvas->drawPoint(1, 1, paint);
17 for (int y = 0; y < info.height(); ++y) {
18 for (int x = 0; x < info.width(); ++x) {
19 SkDebugf("%c", colorPtr[x] == pmWhite ? '-' : 'x');
20 }
21 colorPtr += rowBytes / sizeof(colorPtr[0]);
22 SkDebugf("\n");
23 }
24 }
25}
26} // END FIDDLE
static void info(const char *fmt,...) SK_PRINTF_LIKE(1
Definition: DM.cpp:213
uint32_t SkPMColor
Definition: SkColor.h:205
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
void drawPoint(SkScalar x, SkScalar y, const SkPaint &paint)
Definition: SkCanvas.cpp:2695
void clear(SkColor color)
Definition: SkCanvas.h:1199
const uint32_t * addr32() const
Definition: SkPixmap.h:352
const Paint & paint
Definition: color_source.cc:38
VkSurfaceKHR surface
Definition: main.cc:49
double y
double x
SK_API sk_sp< SkSurface > Raster(const SkImageInfo &imageInfo, size_t rowBytes, const SkSurfaceProps *surfaceProps)
static SkImageInfo MakeN32Premul(int width, int height)