1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "gm.h" 9 #include "SkColorPriv.h" 10 #include "SkShader.h" 11 #include "SkCanvas.h" 12 #include "SkUtils.h" 13 14 namespace skiagm { 15 16 static SkBitmap make_bitmap() { 17 SkBitmap bm; 18 19 SkColorTable* ctable = new SkColorTable(1); 20 SkPMColor* c = ctable->lockColors(); 21 c[0] = SkPackARGB32(0x80, 0x80, 0, 0); 22 ctable->unlockColors(true); 23 24 bm.setConfig(SkBitmap::kIndex8_Config, 1, 1); 25 bm.allocPixels(ctable); 26 ctable->unref(); 27 28 bm.lockPixels(); 29 *bm.getAddr8(0, 0) = 0; 30 bm.unlockPixels(); 31 return bm; 32 } 33 34 class TinyBitmapGM : public GM { 35 SkBitmap fBM; 36 public: 37 TinyBitmapGM() { 38 this->setBGColor(0xFFDDDDDD); 39 fBM = make_bitmap(); 40 } 41 42 protected: 43 SkString onShortName() { 44 return SkString("tinybitmap"); 45 } 46 47 virtual SkISize onISize() { return make_isize(100, 100); } 48 49 virtual void onDraw(SkCanvas* canvas) { 50 SkShader* s = 51 SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMode, 52 SkShader::kMirror_TileMode); 53 SkPaint paint; 54 paint.setAlpha(0x80); 55 paint.setShader(s)->unref(); 56 canvas->drawPaint(paint); 57 } 58 59 private: 60 typedef GM INHERITED; 61 }; 62 63 ////////////////////////////////////////////////////////////////////////////// 64 65 static GM* MyFactory(void*) { return new TinyBitmapGM; } 66 static GMRegistry reg(MyFactory); 67 68 } 69
