1 /*
2 * Copyright 2014 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 "sk_tool_utils.h"
9 #include "sk_tool_utils_flags.h"
10
11 #include "Resources.h"
12 #include "SkBitmap.h"
13 #include "SkCanvas.h"
14 #include "SkCommonFlags.h"
15 #include "SkPoint3.h"
16 #include "SkShader.h"
17 #include "SkTestScalerContext.h"
18 #include "SkTextBlob.h"
19
20 DEFINE_bool(portableFonts, false, "Use portable fonts");
21
22 namespace sk_tool_utils {
23
24 /* these are the default fonts chosen by Chrome for serif, sans-serif, and monospace */
25 static const char* gStandardFontNames[][3] = {
26 { "Times", "Helvetica", "Courier" }, // Mac
27 { "Times New Roman", "Helvetica", "Courier" }, // iOS
28 { "Times New Roman", "Arial", "Courier New" }, // Win
29 { "Times New Roman", "Arial", "Monospace" }, // Ubuntu
30 { "serif", "sans-serif", "monospace" }, // Android
31 { "Tinos", "Arimo", "Cousine" } // ChromeOS
32 };
33
platform_font_name(const char * name)34 const char* platform_font_name(const char* name) {
35 SkString platform = major_platform_os_name();
36 int index;
37 if (!strcmp(name, "serif")) {
38 index = 0;
39 } else if (!strcmp(name, "san-serif")) {
40 index = 1;
41 } else if (!strcmp(name, "monospace")) {
42 index = 2;
43 } else {
44 return name;
45 }
46 if (platform.equals("Mac")) {
47 return gStandardFontNames[0][index];
48 }
49 if (platform.equals("iOS")) {
50 return gStandardFontNames[1][index];
51 }
52 if (platform.equals("Win")) {
53 return gStandardFontNames[2][index];
54 }
55 if (platform.equals("Ubuntu")) {
56 return gStandardFontNames[3][index];
57 }
58 if (platform.equals("Android")) {
59 return gStandardFontNames[4][index];
60 }
61 if (platform.equals("ChromeOS")) {
62 return gStandardFontNames[5][index];
63 }
64 return name;
65 }
66
platform_os_emoji()67 const char* platform_os_emoji() {
68 const char* osName = platform_os_name();
69 if (!strcmp(osName, "Android") || !strcmp(osName, "Ubuntu")) {
70 return "CBDT";
71 }
72 if (!strncmp(osName, "Mac", 3)) {
73 return "SBIX";
74 }
75 return "";
76 }
77
emoji_typeface(SkAutoTUnref<SkTypeface> * tf)78 void emoji_typeface(SkAutoTUnref<SkTypeface>* tf) {
79 if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
80 tf->reset(GetResourceAsTypeface("/fonts/Funkster.ttf"));
81 return;
82 }
83 if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) {
84 tf->reset(SkTypeface::CreateFromName("Apple Color Emoji", SkTypeface::kNormal));
85 return;
86 }
87 tf->reset(nullptr);
88 return;
89 }
90
emoji_sample_text()91 const char* emoji_sample_text() {
92 if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
93 return "Hamburgefons";
94 }
95 if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) {
96 return "\xF0\x9F\x92\xB0" "\xF0\x9F\x8F\xA1" "\xF0\x9F\x8E\x85" // ������
97 "\xF0\x9F\x8D\xAA" "\xF0\x9F\x8D\x95" "\xF0\x9F\x9A\x80" // ������
98 "\xF0\x9F\x9A\xBB" "\xF0\x9F\x92\xA9" "\xF0\x9F\x93\xB7" // ������
99 "\xF0\x9F\x93\xA6" // ��
100 "\xF0\x9F\x87\xBA" "\xF0\x9F\x87\xB8" "\xF0\x9F\x87\xA6"; // ������
101 }
102 return "";
103 }
104
platform_os_name()105 const char* platform_os_name() {
106 for (int index = 0; index < FLAGS_key.count(); index += 2) {
107 if (!strcmp("os", FLAGS_key[index])) {
108 return FLAGS_key[index + 1];
109 }
110 }
111 // when running SampleApp or dm without a --key pair, omit the platform name
112 return "";
113 }
114
115 // omit version number in returned value
major_platform_os_name()116 SkString major_platform_os_name() {
117 SkString name;
118 for (int index = 0; index < FLAGS_key.count(); index += 2) {
119 if (!strcmp("os", FLAGS_key[index])) {
120 const char* platform = FLAGS_key[index + 1];
121 const char* end = platform;
122 while (*end && (*end < '0' || *end > '9')) {
123 ++end;
124 }
125 name.append(platform, end - platform);
126 break;
127 }
128 }
129 return name;
130 }
131
platform_extra_config(const char * config)132 const char* platform_extra_config(const char* config) {
133 for (int index = 0; index < FLAGS_key.count(); index += 2) {
134 if (!strcmp("extra_config", FLAGS_key[index]) && !strcmp(config, FLAGS_key[index + 1])) {
135 return config;
136 }
137 }
138 return "";
139 }
140
colortype_name(SkColorType ct)141 const char* colortype_name(SkColorType ct) {
142 switch (ct) {
143 case kUnknown_SkColorType: return "Unknown";
144 case kAlpha_8_SkColorType: return "Alpha_8";
145 case kIndex_8_SkColorType: return "Index_8";
146 case kARGB_4444_SkColorType: return "ARGB_4444";
147 case kRGB_565_SkColorType: return "RGB_565";
148 case kRGBA_8888_SkColorType: return "RGBA_8888";
149 case kBGRA_8888_SkColorType: return "BGRA_8888";
150 default:
151 SkASSERT(false);
152 return "unexpected colortype";
153 }
154 }
155
color_to_565(SkColor color)156 SkColor color_to_565(SkColor color) {
157 SkPMColor pmColor = SkPreMultiplyColor(color);
158 U16CPU color16 = SkPixel32ToPixel16(pmColor);
159 return SkPixel16ToColor(color16);
160 }
161
create_portable_typeface(const char * name,SkTypeface::Style style)162 SkTypeface* create_portable_typeface(const char* name, SkTypeface::Style style) {
163 return create_font(name, style);
164 }
165
set_portable_typeface(SkPaint * paint,const char * name,SkTypeface::Style style)166 void set_portable_typeface(SkPaint* paint, const char* name, SkTypeface::Style style) {
167 SkTypeface* face = create_font(name, style);
168 SkSafeUnref(paint->setTypeface(face));
169 }
170
write_pixels(SkCanvas * canvas,const SkBitmap & bitmap,int x,int y,SkColorType colorType,SkAlphaType alphaType)171 void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y,
172 SkColorType colorType, SkAlphaType alphaType) {
173 SkBitmap tmp(bitmap);
174 tmp.lockPixels();
175
176 const SkImageInfo info = SkImageInfo::Make(tmp.width(), tmp.height(), colorType, alphaType);
177
178 canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y);
179 }
180
create_checkerboard_shader(SkColor c1,SkColor c2,int size)181 SkShader* create_checkerboard_shader(SkColor c1, SkColor c2, int size) {
182 SkBitmap bm;
183 bm.allocN32Pixels(2 * size, 2 * size);
184 bm.eraseColor(c1);
185 bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2);
186 bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2);
187 return SkShader::CreateBitmapShader(
188 bm, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
189 }
190
create_checkerboard_bitmap(int w,int h,SkColor c1,SkColor c2,int checkSize)191 SkBitmap create_checkerboard_bitmap(int w, int h, SkColor c1, SkColor c2, int checkSize) {
192 SkBitmap bitmap;
193 bitmap.allocN32Pixels(w, h);
194 SkCanvas canvas(bitmap);
195
196 sk_tool_utils::draw_checkerboard(&canvas, c1, c2, checkSize);
197 return bitmap;
198 }
199
draw_checkerboard(SkCanvas * canvas,SkColor c1,SkColor c2,int size)200 void draw_checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) {
201 SkPaint paint;
202 paint.setShader(create_checkerboard_shader(c1, c2, size))->unref();
203 paint.setXfermodeMode(SkXfermode::kSrc_Mode);
204 canvas->drawPaint(paint);
205 }
206
create_string_bitmap(int w,int h,SkColor c,int x,int y,int textSize,const char * str)207 SkBitmap create_string_bitmap(int w, int h, SkColor c, int x, int y,
208 int textSize, const char* str) {
209 SkBitmap bitmap;
210 bitmap.allocN32Pixels(w, h);
211 SkCanvas canvas(bitmap);
212
213 SkPaint paint;
214 paint.setAntiAlias(true);
215 sk_tool_utils::set_portable_typeface(&paint);
216 paint.setColor(c);
217 paint.setTextSize(SkIntToScalar(textSize));
218
219 canvas.clear(0x00000000);
220 canvas.drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), paint);
221
222 return bitmap;
223 }
224
add_to_text_blob(SkTextBlobBuilder * builder,const char * text,const SkPaint & origPaint,SkScalar x,SkScalar y)225 void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
226 SkScalar x, SkScalar y) {
227 SkPaint paint(origPaint);
228 SkTDArray<uint16_t> glyphs;
229
230 size_t len = strlen(text);
231 glyphs.append(paint.textToGlyphs(text, len, nullptr));
232 paint.textToGlyphs(text, len, glyphs.begin());
233
234 paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
235 const SkTextBlobBuilder::RunBuffer& run = builder->allocRun(paint, glyphs.count(), x, y,
236 nullptr);
237 memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t));
238 }
239
norm_to_rgb(SkBitmap * bm,int x,int y,const SkVector3 & norm)240 static inline void norm_to_rgb(SkBitmap* bm, int x, int y, const SkVector3& norm) {
241 SkASSERT(SkScalarNearlyEqual(norm.length(), 1.0f));
242 unsigned char r = static_cast<unsigned char>((0.5f * norm.fX + 0.5f) * 255);
243 unsigned char g = static_cast<unsigned char>((-0.5f * norm.fY + 0.5f) * 255);
244 unsigned char b = static_cast<unsigned char>((0.5f * norm.fZ + 0.5f) * 255);
245 *bm->getAddr32(x, y) = SkPackARGB32(0xFF, r, g, b);
246 }
247
create_hemi_normal_map(SkBitmap * bm,const SkIRect & dst)248 void create_hemi_normal_map(SkBitmap* bm, const SkIRect& dst) {
249 const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
250 dst.fTop + (dst.height() / 2.0f));
251 const SkPoint halfSize = SkPoint::Make(dst.width() / 2.0f, dst.height() / 2.0f);
252
253 SkVector3 norm;
254
255 for (int y = dst.fTop; y < dst.fBottom; ++y) {
256 for (int x = dst.fLeft; x < dst.fRight; ++x) {
257 norm.fX = (x + 0.5f - center.fX) / halfSize.fX;
258 norm.fY = (y + 0.5f - center.fY) / halfSize.fY;
259
260 SkScalar tmp = norm.fX * norm.fX + norm.fY * norm.fY;
261 if (tmp >= 1.0f) {
262 norm.set(0.0f, 0.0f, 1.0f);
263 } else {
264 norm.fZ = sqrtf(1.0f - tmp);
265 }
266
267 norm_to_rgb(bm, x, y, norm);
268 }
269 }
270 }
271
create_frustum_normal_map(SkBitmap * bm,const SkIRect & dst)272 void create_frustum_normal_map(SkBitmap* bm, const SkIRect& dst) {
273 const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
274 dst.fTop + (dst.height() / 2.0f));
275
276 SkIRect inner = dst;
277 inner.inset(dst.width()/4, dst.height()/4);
278
279 SkPoint3 norm;
280 const SkPoint3 left = SkPoint3::Make(-SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2);
281 const SkPoint3 up = SkPoint3::Make(0.0f, -SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
282 const SkPoint3 right = SkPoint3::Make(SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2);
283 const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
284
285 for (int y = dst.fTop; y < dst.fBottom; ++y) {
286 for (int x = dst.fLeft; x < dst.fRight; ++x) {
287 if (inner.contains(x, y)) {
288 norm.set(0.0f, 0.0f, 1.0f);
289 } else {
290 SkScalar locX = x + 0.5f - center.fX;
291 SkScalar locY = y + 0.5f - center.fY;
292
293 if (locX >= 0.0f) {
294 if (locY > 0.0f) {
295 norm = locX >= locY ? right : down; // LR corner
296 } else {
297 norm = locX > -locY ? right : up; // UR corner
298 }
299 } else {
300 if (locY > 0.0f) {
301 norm = -locX > locY ? left : down; // LL corner
302 } else {
303 norm = locX > locY ? up : left; // UL corner
304 }
305 }
306 }
307
308 norm_to_rgb(bm, x, y, norm);
309 }
310 }
311 }
312
create_tetra_normal_map(SkBitmap * bm,const SkIRect & dst)313 void create_tetra_normal_map(SkBitmap* bm, const SkIRect& dst) {
314 const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
315 dst.fTop + (dst.height() / 2.0f));
316
317 static const SkScalar k1OverRoot3 = 0.5773502692f;
318
319 SkPoint3 norm;
320 const SkPoint3 leftUp = SkPoint3::Make(-k1OverRoot3, -k1OverRoot3, k1OverRoot3);
321 const SkPoint3 rightUp = SkPoint3::Make(k1OverRoot3, -k1OverRoot3, k1OverRoot3);
322 const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
323
324 for (int y = dst.fTop; y < dst.fBottom; ++y) {
325 for (int x = dst.fLeft; x < dst.fRight; ++x) {
326 SkScalar locX = x + 0.5f - center.fX;
327 SkScalar locY = y + 0.5f - center.fY;
328
329 if (locX >= 0.0f) {
330 if (locY > 0.0f) {
331 norm = locX >= locY ? rightUp : down; // LR corner
332 } else {
333 norm = rightUp;
334 }
335 } else {
336 if (locY > 0.0f) {
337 norm = -locX > locY ? leftUp : down; // LL corner
338 } else {
339 norm = leftUp;
340 }
341 }
342
343 norm_to_rgb(bm, x, y, norm);
344 }
345 }
346 }
347
make_big_path(SkPath & path)348 void make_big_path(SkPath& path) {
349 #include "BigPathBench.inc"
350 }
351
gaussian2d_value(int x,int y,float sigma)352 static float gaussian2d_value(int x, int y, float sigma) {
353 // don't bother with the scale term since we're just going to normalize the
354 // kernel anyways
355 float temp = expf(-(x*x + y*y)/(2*sigma*sigma));
356 return temp;
357 }
358
create_2d_kernel(float sigma,int * filterSize)359 static float* create_2d_kernel(float sigma, int* filterSize) {
360 // We will actually take 2*halfFilterSize+1 samples (i.e., our filter kernel
361 // sizes are always odd)
362 int halfFilterSize = SkScalarCeilToInt(6*sigma)/2;
363 int wh = *filterSize = 2*halfFilterSize + 1;
364
365 float* temp = new float[wh*wh];
366
367 float filterTot = 0.0f;
368 for (int yOff = 0; yOff < wh; ++yOff) {
369 for (int xOff = 0; xOff < wh; ++xOff) {
370 temp[yOff*wh+xOff] = gaussian2d_value(xOff-halfFilterSize, yOff-halfFilterSize, sigma);
371
372 filterTot += temp[yOff*wh+xOff];
373 }
374 }
375
376 // normalize the kernel
377 for (int yOff = 0; yOff < wh; ++yOff) {
378 for (int xOff = 0; xOff < wh; ++xOff) {
379 temp[yOff*wh+xOff] /= filterTot;
380 }
381 }
382
383 return temp;
384 }
385
blur_pixel(const SkBitmap & bm,int x,int y,float * kernel,int wh)386 static SkPMColor blur_pixel(const SkBitmap& bm, int x, int y, float* kernel, int wh) {
387 SkASSERT(wh & 0x1);
388
389 int halfFilterSize = (wh-1)/2;
390
391 float r = 0.0f, g = 0.0f, b = 0.0f;
392 for (int yOff = 0; yOff < wh; ++yOff) {
393 int ySamp = y + yOff - halfFilterSize;
394
395 if (ySamp < 0) {
396 ySamp = 0;
397 } else if (ySamp > bm.height()-1) {
398 ySamp = bm.height()-1;
399 }
400
401 for (int xOff = 0; xOff < wh; ++xOff) {
402 int xSamp = x + xOff - halfFilterSize;
403
404 if (xSamp < 0) {
405 xSamp = 0;
406 } else if (xSamp > bm.width()-1) {
407 xSamp = bm.width()-1;
408 }
409
410 float filter = kernel[yOff*wh + xOff];
411
412 SkPMColor c = *bm.getAddr32(xSamp, ySamp);
413
414 r += SkGetPackedR32(c) * filter;
415 g += SkGetPackedG32(c) * filter;
416 b += SkGetPackedB32(c) * filter;
417 }
418 }
419
420 U8CPU r8, g8, b8;
421
422 r8 = (U8CPU) (r+0.5f);
423 g8 = (U8CPU) (g+0.5f);
424 b8 = (U8CPU) (b+0.5f);
425
426 return SkPackARGB32(255, r8, g8, b8);
427 }
428
slow_blur(const SkBitmap & src,float sigma)429 SkBitmap slow_blur(const SkBitmap& src, float sigma) {
430 SkBitmap dst;
431
432 dst.allocN32Pixels(src.width(), src.height(), true);
433
434 int wh;
435 SkAutoTDeleteArray<float> kernel(create_2d_kernel(sigma, &wh));
436
437 for (int y = 0; y < src.height(); ++y) {
438 for (int x = 0; x < src.width(); ++x) {
439 *dst.getAddr32(x, y) = blur_pixel(src, x, y, kernel.get(), wh);
440 }
441 }
442
443 return dst;
444 }
445
446 } // namespace sk_tool_utils
447