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humper@google.com9c96d4b2013-07-14 01:44:59 +00001/*
2 * Copyright 2013 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"
Mike Klein33d20552017-03-22 13:47:51 -04009#include "sk_tool_utils.h"
humper@google.com9c96d4b2013-07-14 01:44:59 +000010
tfarinabcbc1782014-06-18 14:32:48 -070011#include "Resources.h"
12#include "SkGradientShader.h"
humper@google.com9c96d4b2013-07-14 01:44:59 +000013#include "SkTypeface.h"
humper@google.com9c96d4b2013-07-14 01:44:59 +000014#include "SkStream.h"
humper@google.comaf42a032013-07-25 14:34:13 +000015#include "SkPaint.h"
humper@google.com9c96d4b2013-07-14 01:44:59 +000016
reedc695e952015-01-16 05:01:16 -080017static void make_checker(SkBitmap* bm, int size, int numChecks) {
18 bm->allocN32Pixels(size, size);
19 for (int y = 0; y < size; ++y) {
20 for (int x = 0; x < size; ++x) {
21 SkPMColor* s = bm->getAddr32(x, y);
22 int cx = (x * numChecks) / size;
23 int cy = (y * numChecks) / size;
24 if ((cx+cy)%2) {
25 *s = 0xFFFFFFFF;
26 } else {
27 *s = 0xFF000000;
28 }
29 }
30 }
31}
32
mbocee6a9912016-05-31 11:42:36 -070033static void setTypeface(SkPaint* paint, const char name[], SkFontStyle style) {
caryclark1818acb2015-07-24 12:09:25 -070034 sk_tool_utils::set_portable_typeface(paint, name, style);
humper@google.com9c96d4b2013-07-14 01:44:59 +000035}
36
37class DownsampleBitmapGM : public skiagm::GM {
humper@google.com9c96d4b2013-07-14 01:44:59 +000038public:
39 SkBitmap fBM;
40 SkString fName;
41 bool fBitmapMade;
reed93a12152015-03-16 10:08:34 -070042 SkFilterQuality fFilterQuality;
humper@google.com9c96d4b2013-07-14 01:44:59 +000043
reed93a12152015-03-16 10:08:34 -070044 DownsampleBitmapGM(SkFilterQuality filterQuality)
45 : fFilterQuality(filterQuality)
humper@google.com9c96d4b2013-07-14 01:44:59 +000046 {
caryclark65cdba62015-06-15 06:51:08 -070047 this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
humper@google.com9c96d4b2013-07-14 01:44:59 +000048 fBitmapMade = false;
49 }
50
reed93a12152015-03-16 10:08:34 -070051 const char* filterQualityToString() {
52 static const char *filterQualityNames[] = {
humper@google.come2cf8052013-07-25 19:14:37 +000053 "none", "low", "medium", "high"
54 };
reed93a12152015-03-16 10:08:34 -070055 return filterQualityNames[fFilterQuality];
humper@google.comaf42a032013-07-25 14:34:13 +000056 }
humper@google.com9c96d4b2013-07-14 01:44:59 +000057
58protected:
commit-bot@chromium.orga90c6802014-04-30 13:20:45 +000059
mtklein36352bf2015-03-25 18:17:31 -070060 SkString onShortName() override {
humper@google.com9c96d4b2013-07-14 01:44:59 +000061 return fName;
62 }
63
mtklein36352bf2015-03-25 18:17:31 -070064 SkISize onISize() override {
humper@google.com9c96d4b2013-07-14 01:44:59 +000065 make_bitmap_wrapper();
mtklein6a2f5fe2014-09-03 13:40:52 -070066 return SkISize::Make(fBM.width(), 4 * fBM.height());
humper@google.com9c96d4b2013-07-14 01:44:59 +000067 }
68
69 void make_bitmap_wrapper() {
70 if (!fBitmapMade) {
71 fBitmapMade = true;
72 make_bitmap();
73 }
74 }
75
76 virtual void make_bitmap() = 0;
77
mtklein36352bf2015-03-25 18:17:31 -070078 void onDraw(SkCanvas* canvas) override {
humper@google.com9c96d4b2013-07-14 01:44:59 +000079 make_bitmap_wrapper();
80
mtklein6a2f5fe2014-09-03 13:40:52 -070081 int curY = 0;
82 int curHeight;
humper@google.com9c96d4b2013-07-14 01:44:59 +000083 float curScale = 1;
84 do {
85
86 SkMatrix matrix;
87 matrix.setScale( curScale, curScale );
88
89 SkPaint paint;
reed93a12152015-03-16 10:08:34 -070090 paint.setFilterQuality(fFilterQuality);
humper@google.com9c96d4b2013-07-14 01:44:59 +000091
92 canvas->save();
mtklein6a2f5fe2014-09-03 13:40:52 -070093 canvas->translate(0, (SkScalar)curY);
Florin Malitac54d8db2014-12-10 12:02:16 -050094 canvas->concat(matrix);
95 canvas->drawBitmap(fBM, 0, 0, &paint);
humper@google.com9c96d4b2013-07-14 01:44:59 +000096 canvas->restore();
97
mtklein6a2f5fe2014-09-03 13:40:52 -070098 curHeight = (int) (fBM.height() * curScale + 2);
99 curY += curHeight;
humper@google.com9c96d4b2013-07-14 01:44:59 +0000100 curScale *= 0.75f;
mtklein6a2f5fe2014-09-03 13:40:52 -0700101 } while (curHeight >= 2 && curY < 4*fBM.height());
humper@google.com9c96d4b2013-07-14 01:44:59 +0000102 }
103
104private:
105 typedef skiagm::GM INHERITED;
106};
107
108class DownsampleBitmapTextGM: public DownsampleBitmapGM {
109 public:
reed93a12152015-03-16 10:08:34 -0700110 DownsampleBitmapTextGM(float textSize, SkFilterQuality filterQuality)
111 : INHERITED(filterQuality), fTextSize(textSize)
humper@google.com9c96d4b2013-07-14 01:44:59 +0000112 {
reed93a12152015-03-16 10:08:34 -0700113 fName.printf("downsamplebitmap_text_%s_%.2fpt", this->filterQualityToString(), fTextSize);
humper@google.com9c96d4b2013-07-14 01:44:59 +0000114 }
115
116 protected:
117 float fTextSize;
118
mtklein36352bf2015-03-25 18:17:31 -0700119 void make_bitmap() override {
reed@google.comeb9a46c2014-01-25 16:46:20 +0000120 fBM.allocN32Pixels(int(fTextSize * 8), int(fTextSize * 6));
humper@google.com9c96d4b2013-07-14 01:44:59 +0000121 SkCanvas canvas(fBM);
122 canvas.drawColor(SK_ColorWHITE);
123
124 SkPaint paint;
125 paint.setAntiAlias(true);
126 paint.setSubpixelText(true);
127 paint.setTextSize(fTextSize);
128
mbocee6a9912016-05-31 11:42:36 -0700129 setTypeface(&paint, "serif", SkFontStyle());
humper@google.com9c96d4b2013-07-14 01:44:59 +0000130 canvas.drawText("Hamburgefons", 12, fTextSize/2, 1.2f*fTextSize, paint);
mbocee6a9912016-05-31 11:42:36 -0700131 setTypeface(&paint, "serif", SkFontStyle::FromOldStyle(SkTypeface::kBold));
humper@google.com9c96d4b2013-07-14 01:44:59 +0000132 canvas.drawText("Hamburgefons", 12, fTextSize/2, 2.4f*fTextSize, paint);
mbocee6a9912016-05-31 11:42:36 -0700133 setTypeface(&paint, "serif", SkFontStyle::FromOldStyle(SkTypeface::kItalic));
humper@google.com9c96d4b2013-07-14 01:44:59 +0000134 canvas.drawText("Hamburgefons", 12, fTextSize/2, 3.6f*fTextSize, paint);
mbocee6a9912016-05-31 11:42:36 -0700135 setTypeface(&paint, "serif", SkFontStyle::FromOldStyle(SkTypeface::kBoldItalic));
humper@google.com9c96d4b2013-07-14 01:44:59 +0000136 canvas.drawText("Hamburgefons", 12, fTextSize/2, 4.8f*fTextSize, paint);
137 }
138 private:
139 typedef DownsampleBitmapGM INHERITED;
140};
141
142class DownsampleBitmapCheckerboardGM: public DownsampleBitmapGM {
143 public:
reed93a12152015-03-16 10:08:34 -0700144 DownsampleBitmapCheckerboardGM(int size, int numChecks, SkFilterQuality filterQuality)
145 : INHERITED(filterQuality), fSize(size), fNumChecks(numChecks)
humper@google.com9c96d4b2013-07-14 01:44:59 +0000146 {
reed93a12152015-03-16 10:08:34 -0700147 fName.printf("downsamplebitmap_checkerboard_%s_%d_%d", this->filterQualityToString(), fSize, fNumChecks);
humper@google.com9c96d4b2013-07-14 01:44:59 +0000148 }
149
150 protected:
151 int fSize;
152 int fNumChecks;
153
mtklein36352bf2015-03-25 18:17:31 -0700154 void make_bitmap() override {
reedc695e952015-01-16 05:01:16 -0800155 make_checker(&fBM, fSize, fNumChecks);
humper@google.com9c96d4b2013-07-14 01:44:59 +0000156 }
157 private:
158 typedef DownsampleBitmapGM INHERITED;
159};
160
161class DownsampleBitmapImageGM: public DownsampleBitmapGM {
162 public:
reed93a12152015-03-16 10:08:34 -0700163 DownsampleBitmapImageGM(const char filename[], SkFilterQuality filterQuality)
164 : INHERITED(filterQuality), fFilename(filename)
humper@google.com9c96d4b2013-07-14 01:44:59 +0000165 {
reed93a12152015-03-16 10:08:34 -0700166 fName.printf("downsamplebitmap_image_%s_%s", this->filterQualityToString(), filename);
humper@google.com9c96d4b2013-07-14 01:44:59 +0000167 }
168
169 protected:
170 SkString fFilename;
171 int fSize;
172
mtklein36352bf2015-03-25 18:17:31 -0700173 void make_bitmap() override {
msarette820dfe2016-03-18 12:13:47 -0700174 if (!GetResourceAsBitmap(fFilename.c_str(), &fBM)) {
175 fBM.allocN32Pixels(1, 1);
176 fBM.eraseARGB(255, 255, 0 , 0); // red == bad
177 }
178 fSize = fBM.height();
humper@google.com9c96d4b2013-07-14 01:44:59 +0000179 }
180 private:
181 typedef DownsampleBitmapGM INHERITED;
182};
183
reed93a12152015-03-16 10:08:34 -0700184DEF_GM( return new DownsampleBitmapTextGM(72, kHigh_SkFilterQuality); )
185DEF_GM( return new DownsampleBitmapCheckerboardGM(512,256, kHigh_SkFilterQuality); )
186DEF_GM( return new DownsampleBitmapImageGM("mandrill_512.png", kHigh_SkFilterQuality); )
humper@google.comaf42a032013-07-25 14:34:13 +0000187
reed93a12152015-03-16 10:08:34 -0700188DEF_GM( return new DownsampleBitmapTextGM(72, kMedium_SkFilterQuality); )
189DEF_GM( return new DownsampleBitmapCheckerboardGM(512,256, kMedium_SkFilterQuality); )
190DEF_GM( return new DownsampleBitmapImageGM("mandrill_512.png", kMedium_SkFilterQuality); )
humper@google.comaf42a032013-07-25 14:34:13 +0000191
reed93a12152015-03-16 10:08:34 -0700192DEF_GM( return new DownsampleBitmapTextGM(72, kLow_SkFilterQuality); )
193DEF_GM( return new DownsampleBitmapCheckerboardGM(512,256, kLow_SkFilterQuality); )
194DEF_GM( return new DownsampleBitmapImageGM("mandrill_512.png", kLow_SkFilterQuality); )
humper@google.comaf42a032013-07-25 14:34:13 +0000195
reed93a12152015-03-16 10:08:34 -0700196DEF_GM( return new DownsampleBitmapTextGM(72, kNone_SkFilterQuality); )
197DEF_GM( return new DownsampleBitmapCheckerboardGM(512,256, kNone_SkFilterQuality); )
198DEF_GM( return new DownsampleBitmapImageGM("mandrill_512.png", kNone_SkFilterQuality); )