fadefilter.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/effects/SkImageFilters.h"
#include <utility>

Go to the source code of this file.

Functions
	DEF_SIMPLE_GM (fadefilter, canvas, 256, 256)

Function Documentation

DEF_SIMPLE_GM()

DEF_SIMPLE_GM	(	fadefilter	,
		canvas	,
		256	,
		256
	)

Definition at line 20 of file fadefilter.cpp.

                                            {
    float matrix[20] = { 1, 0, 0, 0, 0.5f,
                         0, 1, 0, 0, 0.5f,
                         0, 0, 1, 0, 0.5f,
                         0, 0, 0, 1, 0 };
    sk_sp<SkColorFilter> colorFilter(SkColorFilters::Matrix(matrix));
    SkPaint layerPaint;
    layerPaint.setImageFilter(SkImageFilters::ColorFilter(std::move(colorFilter), nullptr));
    canvas->drawRect(SkRect::MakeLTRB(64, 64, 192, 192), layerPaint);
}