xref: /third_party/skia/gm/tinybitmap.cpp (revision cb93a386) 
1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "gm/gm.h"
9#include "include/core/SkBitmap.h"
10#include "include/core/SkCanvas.h"
11#include "include/core/SkColorPriv.h"
12#include "include/core/SkPaint.h"
13#include "include/core/SkShader.h"
14#include "include/core/SkSize.h"
15#include "include/core/SkString.h"
16#include "include/core/SkTileMode.h"
17
18namespace {
19class TinyBitmapGM : public skiagm::GM {
20    void onOnceBeforeDraw() override { this->setBGColor(0xFFDDDDDD); }
21
22    SkString onShortName() override { return SkString("tinybitmap"); }
23
24    SkISize onISize() override { return SkISize::Make(100, 100); }
25
26    void onDraw(SkCanvas* canvas) override {
27        SkBitmap bm;
28        bm.allocN32Pixels(1, 1);
29        *bm.getAddr32(0, 0) = SkPackARGB32(0x80, 0x80, 0, 0);
30        SkPaint paint;
31        paint.setAlphaf(0.5f);
32        paint.setShader(bm.makeShader(SkTileMode::kRepeat, SkTileMode::kMirror,
33                                      SkSamplingOptions()));
34        canvas->drawPaint(paint);
35    }
36};
37}  // namespace
38
39DEF_GM( return new TinyBitmapGM; )
40