skia2/gm/bicubic.cpp
Mike Klein 7cfcc1e86a add Brian's fiddle as gm/bicubic
Change-Id: I748ab57274c360261e957d43a08366e62350110b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/263056
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2020-01-08 16:40:53 +00:00

29 lines
669 B
C++

/*
* Copyright 2020 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"
DEF_SIMPLE_GM(bicubic, canvas, 300, 64) {
canvas->clear(SK_ColorBLACK);
SkBitmap bmp;
bmp.allocN32Pixels(8, 1);
bmp.eraseColor(0);
*bmp.getAddr32(3, 0) = 0xFFFFFFFF;
SkPaint paint;
paint.setFilterQuality(kHigh_SkFilterQuality);
for (int i = 0; i < 64; ++i) {
float x = 1.0f + i/63.0f;
float y = i;
canvas->drawBitmapRect(bmp, SkRect::MakeXYWH(x, y, 512, 1), &paint);
}
}