blob: e7bd15a9c214474cedb9d0957ba6530e52fa3291 [file] [log] [blame]
/*
* Copyright 2014 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/SkCanvas.h"
#include "include/core/SkFont.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkImageFilters.h"
#include "tools/ToolUtils.h"
#define WIDTH 640
#define HEIGHT 480
namespace skiagm {
class ImageBlurTiledGM : public GM {
public:
ImageBlurTiledGM(SkScalar sigmaX, SkScalar sigmaY)
: fSigmaX(sigmaX), fSigmaY(sigmaY) {
}
protected:
SkString onShortName() override {
return SkString("imageblurtiled");
}
SkISize onISize() override {
return SkISize::Make(WIDTH, HEIGHT);
}
void onDraw(SkCanvas* canvas) override {
SkPaint paint;
paint.setImageFilter(SkImageFilters::Blur(fSigmaX, fSigmaY, nullptr));
const SkScalar tileSize = SkIntToScalar(128);
SkRect bounds = canvas->getLocalClipBounds();
for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tileSize) {
for (SkScalar x = bounds.left(); x < bounds.right(); x += tileSize) {
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(x, y, tileSize, tileSize));
canvas->saveLayer(nullptr, &paint);
const char* str[] = {
"The quick",
"brown fox",
"jumped over",
"the lazy dog.",
};
SkFont font(ToolUtils::create_portable_typeface(), 100);
int posY = 0;
for (unsigned i = 0; i < std::size(str); i++) {
posY += 100;
canvas->drawString(str[i], 0, SkIntToScalar(posY), font, SkPaint());
}
canvas->restore();
canvas->restore();
}
}
}
private:
SkScalar fSigmaX;
SkScalar fSigmaY;
using INHERITED = GM;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new ImageBlurTiledGM(3.0f, 3.0f);)
} // namespace skiagm