ImageInfo_MakeS32.cpp File Reference

#include "tools/fiddle/examples.h"

Go to the source code of this file.

Functions
	REG_FIDDLE (ImageInfo_MakeS32, 256, 128, false, 0)

Function Documentation

REG_FIDDLE()

REG_FIDDLE	(	ImageInfo_MakeS32	,
		256	,
		128	,
		false	,
		0
	)

Definition at line 5 of file ImageInfo_MakeS32.cpp.

                                                  {
void draw(SkCanvas* canvas) {
    const int width = 256;
    const int height = 32;
    SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
    SkColor  gradColors[] = { 0xFFAA0055, 0xFF11CC88 };
    SkPoint  gradPoints[] = { { 0, 0 }, { width, 0 } };
    SkPaint gradPaint;
    gradPaint.setShader(SkGradientShader::MakeLinear(gradPoints, gradColors, nullptr,
                    std::size(gradColors), SkTileMode::kClamp));
    SkBitmap bitmap;
    bitmap.allocPixels(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
    SkCanvas offScreen(bitmap);
    offScreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
    canvas->drawImage(bitmap.asImage(), 0, 0);
    bitmap.allocPixels(SkImageInfo::MakeS32(width, height, kPremul_SkAlphaType));
    SkCanvas sRGBOffscreen(bitmap);
    sRGBOffscreen.drawRect(SkRect::MakeWH(width, height), gradPaint);
    canvas->drawImage(bitmap.asImage(), 0, 48);
    SkBitmap noColorSpaceBitmap;
    noColorSpaceBitmap.setInfo(SkImageInfo::MakeN32(width, height, kPremul_SkAlphaType));
    noColorSpaceBitmap.setPixels(bitmap.getAddr(0, 0));
    canvas->drawImage(noColorSpaceBitmap.asImage(), 0, 96);
}
}  // END FIDDLE