skia2/gm/imageblurtiled.cpp
tfarina f539318f0d Cleanup: Get rid of make_isize() function from gm.h.
This helper function is not necessary.

The same thing can be achieved by using SkISize::Make() provided by
SkTSize API.

BUG=skia:2645
TEST=make dm && out/Debug/dm
R=robertphillips@google.com, reed@google.com

Author: tfarina@chromium.org

Review URL: https://codereview.chromium.org/326523002
2014-06-09 23:59:03 -07:00

79 lines
2.2 KiB
C++

/*
* 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.h"
#include "SkBlurImageFilter.h"
#include "SkRandom.h"
#define WIDTH 640
#define HEIGHT 480
namespace skiagm {
class ImageBlurTiledGM : public GM {
public:
ImageBlurTiledGM(SkScalar sigmaX, SkScalar sigmaY)
: fSigmaX(sigmaX), fSigmaY(sigmaY) {
}
protected:
virtual SkString onShortName() {
return SkString("imageblurtiled");
}
virtual SkISize onISize() {
return SkISize::Make(WIDTH, HEIGHT);
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref();
const SkScalar tile_size = SkIntToScalar(128);
SkRect bounds;
if (!canvas->getClipBounds(&bounds)) {
bounds.setEmpty();
}
for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tile_size) {
for (SkScalar x = bounds.left(); x < bounds.right(); x += tile_size) {
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size));
canvas->saveLayer(NULL, &paint);
const char* str[] = {
"The quick",
"brown fox",
"jumped over",
"the lazy dog.",
};
SkPaint textPaint;
textPaint.setAntiAlias(true);
textPaint.setTextSize(SkIntToScalar(100));
int posY = 0;
for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) {
posY += 100;
canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0),
SkIntToScalar(posY), textPaint);
}
canvas->restore();
canvas->restore();
}
}
}
private:
SkScalar fSigmaX;
SkScalar fSigmaY;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory1(void*) { return new ImageBlurTiledGM(3.0f, 3.0f); }
static GMRegistry reg1(MyFactory1);
}