reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 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.h" |
| 9 | #include "SkGradientShader.h" |
| 10 | |
| 11 | #include "SkTypeface.h" |
| 12 | #include "SkImageDecoder.h" |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 13 | #include "SkStream.h" |
reed@google.com | 7b06ba4 | 2013-05-28 16:39:52 +0000 | [diff] [blame] | 14 | |
| 15 | static void setTypeface(SkPaint* paint, const char name[], SkTypeface::Style style) { |
| 16 | SkSafeUnref(paint->setTypeface(SkTypeface::CreateFromName(name, style))); |
| 17 | } |
| 18 | |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 19 | static SkSize computeSize(const SkBitmap& bm, const SkMatrix& mat) { |
reed@google.com | 98447b0 | 2013-05-28 15:42:21 +0000 | [diff] [blame] | 20 | SkRect bounds = SkRect::MakeWH(SkIntToScalar(bm.width()), |
| 21 | SkIntToScalar(bm.height())); |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 22 | mat.mapRect(&bounds); |
reed@google.com | 98447b0 | 2013-05-28 15:42:21 +0000 | [diff] [blame] | 23 | return SkSize::Make(bounds.width(), bounds.height()); |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 24 | } |
| 25 | |
| 26 | static void draw_col(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat, |
| 27 | SkScalar dx) { |
| 28 | SkPaint paint; |
| 29 | |
| 30 | SkAutoCanvasRestore acr(canvas, true); |
| 31 | |
| 32 | canvas->drawBitmapMatrix(bm, mat, &paint); |
| 33 | |
reed@google.com | 9cfc83c | 2013-07-22 17:18:18 +0000 | [diff] [blame] | 34 | paint.setFilterLevel(SkPaint::kLow_FilterLevel); |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 35 | canvas->translate(dx, 0); |
| 36 | canvas->drawBitmapMatrix(bm, mat, &paint); |
| 37 | |
reed@google.com | 9cfc83c | 2013-07-22 17:18:18 +0000 | [diff] [blame] | 38 | paint.setFilterLevel(SkPaint::kHigh_FilterLevel); |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 39 | canvas->translate(dx, 0); |
| 40 | canvas->drawBitmapMatrix(bm, mat, &paint); |
| 41 | } |
| 42 | |
| 43 | class FilterBitmapGM : public skiagm::GM { |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 44 | void onOnceBeforeDraw() { |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 45 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 46 | make_bitmap(); |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 47 | |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 48 | SkScalar cx = SkScalarHalf(fBM.width()); |
| 49 | SkScalar cy = SkScalarHalf(fBM.height()); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 50 | SkScalar scale = get_scale(); |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 51 | |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 52 | |
| 53 | fMatrix[0].setScale(scale, scale); |
| 54 | fMatrix[1].setRotate(30, cx, cy); fMatrix[1].postScale(scale, scale); |
| 55 | } |
| 56 | |
| 57 | public: |
| 58 | SkBitmap fBM; |
| 59 | SkMatrix fMatrix[2]; |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 60 | SkString fName; |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 61 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 62 | FilterBitmapGM() |
| 63 | { |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 64 | this->setBGColor(0xFFDDDDDD); |
| 65 | } |
| 66 | |
| 67 | protected: |
| 68 | virtual SkString onShortName() SK_OVERRIDE { |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 69 | return fName; |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | virtual SkISize onISize() SK_OVERRIDE { |
| 73 | return SkISize::Make(920, 480); |
| 74 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 75 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 76 | virtual void make_bitmap() = 0; |
| 77 | virtual SkScalar get_scale() = 0; |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 78 | |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 79 | virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 80 | |
| 81 | canvas->translate(10, 10); |
| 82 | for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrix); ++i) { |
| 83 | SkSize size = computeSize(fBM, fMatrix[i]); |
| 84 | size.fWidth += 20; |
| 85 | size.fHeight += 20; |
| 86 | |
| 87 | draw_col(canvas, fBM, fMatrix[i], size.fWidth); |
| 88 | canvas->translate(0, size.fHeight); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | private: |
| 93 | typedef skiagm::GM INHERITED; |
| 94 | }; |
| 95 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 96 | class FilterBitmapTextGM: public FilterBitmapGM { |
| 97 | public: |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 98 | FilterBitmapTextGM(float textSize) |
| 99 | : fTextSize(textSize) |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 100 | { |
humper@google.com | e2cf805 | 2013-07-25 19:14:37 +0000 | [diff] [blame] | 101 | fName.printf("filterbitmap_text_%.2fpt", fTextSize); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 102 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 103 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 104 | protected: |
| 105 | float fTextSize; |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 106 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 107 | SkScalar get_scale() SK_OVERRIDE { |
| 108 | return 32.f/fTextSize; |
| 109 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 110 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 111 | void make_bitmap() SK_OVERRIDE { |
humper@google.com | 6dce113 | 2013-05-31 12:58:29 +0000 | [diff] [blame] | 112 | fBM.setConfig(SkBitmap::kARGB_8888_Config, int(fTextSize * 8), int(fTextSize * 6)); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 113 | fBM.allocPixels(); |
| 114 | SkCanvas canvas(fBM); |
| 115 | canvas.drawColor(SK_ColorWHITE); |
| 116 | |
| 117 | SkPaint paint; |
| 118 | paint.setAntiAlias(true); |
| 119 | paint.setSubpixelText(true); |
| 120 | paint.setTextSize(fTextSize); |
| 121 | |
| 122 | setTypeface(&paint, "Times", SkTypeface::kNormal); |
humper@google.com | 6dce113 | 2013-05-31 12:58:29 +0000 | [diff] [blame] | 123 | canvas.drawText("Hamburgefons", 12, fTextSize/2, 1.2f*fTextSize, paint); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 124 | setTypeface(&paint, "Times", SkTypeface::kBold); |
humper@google.com | 6dce113 | 2013-05-31 12:58:29 +0000 | [diff] [blame] | 125 | canvas.drawText("Hamburgefons", 12, fTextSize/2, 2.4f*fTextSize, paint); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 126 | setTypeface(&paint, "Times", SkTypeface::kItalic); |
humper@google.com | 6dce113 | 2013-05-31 12:58:29 +0000 | [diff] [blame] | 127 | canvas.drawText("Hamburgefons", 12, fTextSize/2, 3.6f*fTextSize, paint); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 128 | setTypeface(&paint, "Times", SkTypeface::kBoldItalic); |
humper@google.com | 6dce113 | 2013-05-31 12:58:29 +0000 | [diff] [blame] | 129 | canvas.drawText("Hamburgefons", 12, fTextSize/2, 4.8f*fTextSize, paint); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 130 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 131 | private: |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 132 | typedef FilterBitmapGM INHERITED; |
| 133 | }; |
| 134 | |
| 135 | class FilterBitmapCheckerboardGM: public FilterBitmapGM { |
| 136 | public: |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 137 | FilterBitmapCheckerboardGM(int size, int num_checks) |
| 138 | : fSize(size), fNumChecks(num_checks) |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 139 | { |
humper@google.com | e2cf805 | 2013-07-25 19:14:37 +0000 | [diff] [blame] | 140 | fName.printf("filterbitmap_checkerboard_%d_%d", fSize, fNumChecks); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 141 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 142 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 143 | protected: |
| 144 | int fSize; |
| 145 | int fNumChecks; |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 146 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 147 | SkScalar get_scale() SK_OVERRIDE { |
| 148 | return 192.f/fSize; |
| 149 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 150 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 151 | void make_bitmap() SK_OVERRIDE { |
| 152 | fBM.setConfig(SkBitmap::kARGB_8888_Config, fSize, fSize); |
| 153 | fBM.allocPixels(); |
| 154 | SkAutoLockPixels lock(fBM); |
| 155 | for (int y = 0; y < fSize; y ++) { |
| 156 | for (int x = 0; x < fSize; x ++) { |
| 157 | SkPMColor* s = fBM.getAddr32(x, y); |
| 158 | int cx = (x * fNumChecks) / fSize; |
| 159 | int cy = (y * fNumChecks) / fSize; |
| 160 | if ((cx+cy)%2) { |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 161 | *s = 0xFFFFFFFF; |
| 162 | } else { |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 163 | *s = 0xFF000000; |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 168 | private: |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 169 | typedef FilterBitmapGM INHERITED; |
| 170 | }; |
| 171 | |
| 172 | class FilterBitmapImageGM: public FilterBitmapGM { |
| 173 | public: |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 174 | FilterBitmapImageGM(const char filename[]) |
| 175 | : fFilename(filename) |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 176 | { |
humper@google.com | e2cf805 | 2013-07-25 19:14:37 +0000 | [diff] [blame] | 177 | fName.printf("filterbitmap_image_%s", filename); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 178 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 179 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 180 | protected: |
| 181 | SkString fFilename; |
| 182 | int fSize; |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 183 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 184 | SkScalar get_scale() SK_OVERRIDE { |
| 185 | return 192.f/fSize; |
| 186 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 187 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 188 | void make_bitmap() SK_OVERRIDE { |
| 189 | SkString path(skiagm::GM::gResourcePath); |
humper@google.com | b088947 | 2013-07-09 21:37:14 +0000 | [diff] [blame] | 190 | path.append("/"); |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 191 | path.append(fFilename); |
| 192 | |
| 193 | SkImageDecoder *codec = NULL; |
| 194 | SkFILEStream stream(path.c_str()); |
| 195 | if (stream.isValid()) { |
| 196 | codec = SkImageDecoder::Factory(&stream); |
| 197 | } |
| 198 | if (codec) { |
| 199 | stream.rewind(); |
| 200 | codec->decode(&stream, &fBM, SkBitmap::kARGB_8888_Config, |
| 201 | SkImageDecoder::kDecodePixels_Mode); |
| 202 | SkDELETE(codec); |
| 203 | } else { |
| 204 | fBM.setConfig(SkBitmap::kARGB_8888_Config, 1, 1); |
| 205 | fBM.allocPixels(); |
| 206 | *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad |
| 207 | } |
| 208 | fSize = fBM.height(); |
| 209 | } |
skia.committer@gmail.com | 26da7f0 | 2013-06-01 07:01:39 +0000 | [diff] [blame] | 210 | private: |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 211 | typedef FilterBitmapGM INHERITED; |
| 212 | }; |
| 213 | |
reed@google.com | f2de1e2 | 2013-05-28 15:29:25 +0000 | [diff] [blame] | 214 | ////////////////////////////////////////////////////////////////////////////// |
| 215 | |
humper@google.com | 04db316 | 2013-05-31 12:50:39 +0000 | [diff] [blame] | 216 | DEF_GM( return new FilterBitmapTextGM(3); ) |
| 217 | DEF_GM( return new FilterBitmapTextGM(7); ) |
| 218 | DEF_GM( return new FilterBitmapTextGM(10); ) |
| 219 | DEF_GM( return new FilterBitmapCheckerboardGM(4,4); ) |
| 220 | DEF_GM( return new FilterBitmapCheckerboardGM(32,32); ) |
| 221 | DEF_GM( return new FilterBitmapCheckerboardGM(32,8); ) |
| 222 | DEF_GM( return new FilterBitmapCheckerboardGM(32,2); ) |
| 223 | DEF_GM( return new FilterBitmapCheckerboardGM(192,192); ) |
| 224 | DEF_GM( return new FilterBitmapImageGM("mandrill_16.png"); ) |
| 225 | DEF_GM( return new FilterBitmapImageGM("mandrill_32.png"); ) |
| 226 | DEF_GM( return new FilterBitmapImageGM("mandrill_64.png"); ) |
| 227 | DEF_GM( return new FilterBitmapImageGM("mandrill_128.png"); ) |
| 228 | DEF_GM( return new FilterBitmapImageGM("mandrill_256.png"); ) |
| 229 | DEF_GM( return new FilterBitmapImageGM("mandrill_512.png"); ) |