1 /* 2 * Copyright 2012 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.h" 9 #include "SkCanvas.h" 10 #include "SkPath.h" 11 12 static void make_bm(SkBitmap* bm, int width, int height, SkColor color) { 13 bm->setConfig(SkBitmap::kARGB_8888_Config, width, height); 14 bm->allocPixels(); 15 bm->eraseColor(color); 16 bm->setImmutable(); 17 } 18 19 static void show_bm(SkCanvas* canvas, int width, int height, SkColor color) { 20 SkBitmap bm; 21 make_bm(&bm, width, height, color); 22 23 SkPaint paint; 24 SkRect r; 25 SkIRect ir; 26 27 paint.setStyle(SkPaint::kStroke_Style); 28 29 ir.set(0, 0, 128, 128); 30 r.set(ir); 31 32 canvas->save(); 33 canvas->clipRect(r); 34 canvas->drawBitmap(bm, 0, 0, NULL); 35 canvas->restore(); 36 canvas->drawRect(r, paint); 37 38 r.offset(SkIntToScalar(150), 0); 39 // exercises extract bitmap, but not shader 40 canvas->drawBitmapRect(bm, &ir, r, NULL); 41 canvas->drawRect(r, paint); 42 43 r.offset(SkIntToScalar(150), 0); 44 // exercises bitmapshader 45 canvas->drawBitmapRect(bm, NULL, r, NULL); 46 canvas->drawRect(r, paint); 47 } 48 49 class VeryLargeBitmapGM : public skiagm::GM { 50 public: 51 VeryLargeBitmapGM() {} 52 53 protected: 54 virtual SkString onShortName() SK_OVERRIDE { 55 return SkString("verylargebitmap"); 56 } 57 58 virtual SkISize onISize() SK_OVERRIDE { 59 return SkISize::Make(640, 480); 60 } 61 62 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { 63 int veryBig = 100*1024; // 64K < size 64 int big = 60*1024; // 32K < size < 64K 65 int small = 300; 66 67 canvas->translate(SkIntToScalar(10), SkIntToScalar(10)); 68 show_bm(canvas, small, small, SK_ColorRED); 69 canvas->translate(0, SkIntToScalar(150)); 70 71 show_bm(canvas, big, small, SK_ColorBLUE); 72 canvas->translate(0, SkIntToScalar(150)); 73 74 // as of this writing, the raster code will fail to draw the scaled version 75 // since it has a 64K limit on x,y coordinates... (but gpu should succeed) 76 show_bm(canvas, veryBig, small, SK_ColorGREEN); 77 } 78 79 private: 80 typedef skiagm::GM INHERITED; 81 }; 82 83 ////////////////////////////////////////////////////////////////////////////// 84 85 // This GM allocates more memory than Android devices are capable of fulfilling. 86 #ifndef SK_BUILD_FOR_ANDROID 87 static skiagm::GM* MyFactory(void*) { return new VeryLargeBitmapGM; } 88 static skiagm::GMRegistry reg(MyFactory); 89 #endif 90