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Side by Side Diff: gm/verylargebitmap.cpp

Issue 1329283002: add picture-image variant (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: rename new gm Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkCanvas.h" 9 #include "SkCanvas.h"
10 #include "SkGradientShader.h" 10 #include "SkGradientShader.h"
11 #include "SkPath.h" 11 #include "SkPath.h"
12 #include "SkPictureRecorder.h"
12 #include "SkSurface.h" 13 #include "SkSurface.h"
13 14
14 static SkImage* make_image(int width, int height, SkColor colors[2]) { 15 static void draw(SkCanvas* canvas, int width, int height, SkColor colors[2]) {
15 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height) );
16
17 const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 }; 16 const SkPoint center = { SkIntToScalar(width)/2, SkIntToScalar(height)/2 };
18 const SkScalar radius = 40; 17 const SkScalar radius = 40;
19 SkShader* shader = SkGradientShader::CreateRadial(center, radius, colors, nu llptr, 2, 18 SkShader* shader = SkGradientShader::CreateRadial(center, radius, colors, nu llptr, 2,
20 SkShader::kMirror_TileMode ); 19 SkShader::kMirror_TileMode );
21 SkPaint paint; 20 SkPaint paint;
22 paint.setShader(shader)->unref(); 21 paint.setShader(shader)->unref();
23 paint.setXfermodeMode(SkXfermode::kSrc_Mode); 22 paint.setXfermodeMode(SkXfermode::kSrc_Mode);
24 surface->getCanvas()->drawPaint(paint); 23 canvas->drawPaint(paint);
24 }
25
26 static SkImage* make_raster_image(int width, int height, SkColor colors[2]) {
27 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height) );
28 draw(surface->getCanvas(), width, height, colors);
25 return surface->newImageSnapshot(); 29 return surface->newImageSnapshot();
26 } 30 }
27 31
28 static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2 ]) { 32 static SkImage* make_picture_image(int width, int height, SkColor colors[2]) {
29 SkAutoTUnref<SkImage> image(make_image(width, height, colors)); 33 SkPictureRecorder recorder;
34 draw(recorder.beginRecording(SkRect::MakeIWH(width, height)), width, height, colors);
35 return SkImage::NewFromPicture(recorder.endRecording(), SkISize::Make(width, height),
36 nullptr, nullptr);
37 }
38
39 typedef SkImage* (*ImageMakerProc)(int width, int height, SkColor colors[2]);
40
41 static void show_image(SkCanvas* canvas, int width, int height, SkColor colors[2 ],
42 ImageMakerProc proc) {
43 SkAutoTUnref<SkImage> image(proc(width, height, colors));
30 44
31 SkPaint paint; 45 SkPaint paint;
32 SkRect r; 46 SkRect r;
33 SkIRect ir; 47 SkIRect ir;
34 48
35 paint.setStyle(SkPaint::kStroke_Style); 49 paint.setStyle(SkPaint::kStroke_Style);
36 50
37 ir.set(0, 0, 128, 128); 51 ir.set(0, 0, 128, 128);
38 r.set(ir); 52 r.set(ir);
39 53
40 canvas->save(); 54 canvas->save();
41 canvas->clipRect(r); 55 canvas->clipRect(r);
42 canvas->drawImage(image, 0, 0, nullptr); 56 canvas->drawImage(image, 0, 0, nullptr);
43 canvas->restore(); 57 canvas->restore();
44 canvas->drawRect(r, paint); 58 canvas->drawRect(r, paint);
45 59
46 r.offset(SkIntToScalar(150), 0); 60 r.offset(SkIntToScalar(150), 0);
47 canvas->drawImageRect(image, ir, r, nullptr); 61 canvas->drawImageRect(image, ir, r, nullptr);
48 canvas->drawRect(r, paint); 62 canvas->drawRect(r, paint);
49 63
50 r.offset(SkIntToScalar(150), 0); 64 r.offset(SkIntToScalar(150), 0);
51 canvas->drawImageRect(image, r, nullptr); 65 canvas->drawImageRect(image, r, nullptr);
52 canvas->drawRect(r, paint); 66 canvas->drawRect(r, paint);
53 } 67 }
54 68
55 class VeryLargeBitmapGM : public skiagm::GM { 69 class VeryLargeBitmapGM : public skiagm::GM {
70 ImageMakerProc fProc;
71 SkString fName;
72
56 public: 73 public:
57 VeryLargeBitmapGM() {} 74 VeryLargeBitmapGM(ImageMakerProc proc, const char suffix[]) : fProc(proc) {
75 fName.printf("verylarge%s", suffix);
76 }
58 77
59 protected: 78 protected:
60 SkString onShortName() override { 79 SkString onShortName() override {
61 return SkString("verylargebitmap"); 80 return fName;
62 } 81 }
63 82
64 SkISize onISize() override { 83 SkISize onISize() override {
65 return SkISize::Make(500, 600); 84 return SkISize::Make(500, 600);
66 } 85 }
67 86
68 void onDraw(SkCanvas* canvas) override { 87 void onDraw(SkCanvas* canvas) override {
69 int veryBig = 65*1024; // 64K < size 88 int veryBig = 65*1024; // 64K < size
70 int big = 33*1024; // 32K < size < 64K 89 int big = 33*1024; // 32K < size < 64K
71 // smaller than many max texture sizes, but large enough to gpu-tile for memory reasons. 90 // smaller than many max texture sizes, but large enough to gpu-tile for memory reasons.
72 int medium = 5*1024; 91 int medium = 5*1024;
73 int small = 150; 92 int small = 150;
74 93
75 SkColor colors[2]; 94 SkColor colors[2];
76 95
77 canvas->translate(SkIntToScalar(10), SkIntToScalar(10)); 96 canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
78 colors[0] = SK_ColorRED; 97 colors[0] = SK_ColorRED;
79 colors[1] = SK_ColorGREEN; 98 colors[1] = SK_ColorGREEN;
80 show_image(canvas, small, small, colors); 99 show_image(canvas, small, small, colors, fProc);
81 canvas->translate(0, SkIntToScalar(150)); 100 canvas->translate(0, SkIntToScalar(150));
82 101
83 colors[0] = SK_ColorBLUE; 102 colors[0] = SK_ColorBLUE;
84 colors[1] = SK_ColorMAGENTA; 103 colors[1] = SK_ColorMAGENTA;
85 show_image(canvas, big, small, colors); 104 show_image(canvas, big, small, colors, fProc);
86 canvas->translate(0, SkIntToScalar(150)); 105 canvas->translate(0, SkIntToScalar(150));
87 106
88 colors[0] = SK_ColorMAGENTA; 107 colors[0] = SK_ColorMAGENTA;
89 colors[1] = SK_ColorYELLOW; 108 colors[1] = SK_ColorYELLOW;
90 show_image(canvas, medium, medium, colors); 109 show_image(canvas, medium, medium, colors, fProc);
91 canvas->translate(0, SkIntToScalar(150)); 110 canvas->translate(0, SkIntToScalar(150));
92 111
93 colors[0] = SK_ColorGREEN; 112 colors[0] = SK_ColorGREEN;
94 colors[1] = SK_ColorYELLOW; 113 colors[1] = SK_ColorYELLOW;
95 // as of this writing, the raster code will fail to draw the scaled vers ion 114 // as of this writing, the raster code will fail to draw the scaled vers ion
96 // since it has a 64K limit on x,y coordinates... (but gpu should succee d) 115 // since it has a 64K limit on x,y coordinates... (but gpu should succee d)
97 show_image(canvas, veryBig, small, colors); 116 show_image(canvas, veryBig, small, colors, fProc);
98 } 117 }
99 118
100 private: 119 private:
101 typedef skiagm::GM INHERITED; 120 typedef skiagm::GM INHERITED;
102 }; 121 };
103 DEF_GM( return new VeryLargeBitmapGM; ) 122 DEF_GM( return new VeryLargeBitmapGM(make_raster_image, "bitmap"); )
123 DEF_GM( return new VeryLargeBitmapGM(make_picture_image, "_picture_image"); )
104 124
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