blob: fcf53371320a1886bfc78ed752bd1b28689129a8 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkOverdrawColorFilter.h"
static inline void set_bitmap(SkBitmap* bitmap, uint8_t alpha) {
for (int y = 0; y < bitmap->height(); y++) {
for (int x = 0; x < bitmap->width(); x++) {
uint8_t* addr = bitmap->getAddr8(x, y);
*addr = alpha;
}
}
bitmap->notifyPixelsChanged();
}
struct OverdrawColorFilter : public skiagm::GM {
SkString onShortName() override {
return SkString{"overdrawcolorfilter"};
}
SkISize onISize() override { return {200, 400}; }
void onDraw(SkCanvas* canvas) override {
static const SkColor colors[SkOverdrawColorFilter::kNumColors] = {
0x80FF0000, 0x8000FF00, 0x800000FF, 0x80FFFF00, 0x8000FFFF, 0x80FF00FF,
};
SkPaint paint;
paint.setColorFilter(SkOverdrawColorFilter::MakeWithSkColors(colors));
SkSamplingOptions sampling;
SkImageInfo info = SkImageInfo::MakeA8(100, 100);
SkBitmap bitmap;
bitmap.allocPixels(info);
set_bitmap(&bitmap, 0);
canvas->drawImage(bitmap.asImage(), 0, 0, sampling, &paint);
set_bitmap(&bitmap, 1);
canvas->drawImage(bitmap.asImage(), 0, 100, sampling, &paint);
set_bitmap(&bitmap, 2);
canvas->drawImage(bitmap.asImage(), 0, 200, sampling, &paint);
set_bitmap(&bitmap, 3);
canvas->drawImage(bitmap.asImage(), 0, 300, sampling, &paint);
set_bitmap(&bitmap, 4);
canvas->drawImage(bitmap.asImage(), 100, 0, sampling, &paint);
set_bitmap(&bitmap, 5);
canvas->drawImage(bitmap.asImage(), 100, 100, sampling, &paint);
set_bitmap(&bitmap, 6);
canvas->drawImage(bitmap.asImage(), 100, 200, sampling, &paint);
}
};
DEF_GM(return new OverdrawColorFilter;)