Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 1 | #Topic Illustrations |
| 2 | |
Cary Clark | 682c58d | 2018-05-16 07:07:07 -0400 | [diff] [blame] | 3 | #Subtopic Image_Info_Color_Type_RGB_565 |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 4 | #Example |
| 5 | #Width 415 |
| 6 | #Height 250 |
| 7 | void draw(SkCanvas* canvas) { |
| 8 | canvas->scale(1.25f, 1.25f); |
| 9 | SkPaint paint; |
| 10 | paint.setAntiAlias(true); |
| 11 | paint.setTextSize(10); |
| 12 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 13 | canvas->drawString("16-bit word", 5 + 20 * 8, 20, paint); |
| 14 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 15 | canvas->drawString("(low bits)", 5 + 20 * 1.5f, 137, paint); |
| 16 | canvas->drawString("(high bits)", 5 + 20 * 6.5f, 187, paint); |
| 17 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 18 | SkPaint p(paint); |
| 19 | p.setColor(SK_ColorRED); |
| 20 | SkScalar xPos = 15; |
| 21 | int width = n % 32 + 1; |
| 22 | int lastN = n > 32 ? 32 : 0; |
| 23 | for (; n >= lastN; --n) { |
| 24 | for (int i = 0; i <= count; ++i) { |
| 25 | int a = width - e[i]; |
| 26 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 27 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 28 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 29 | break; |
| 30 | } |
| 31 | } |
| 32 | xPos += 20; |
| 33 | } |
| 34 | p.setColor(SK_ColorBLACK); |
| 35 | for (int i = 0; i < count; ++i) { |
| 36 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 37 | } |
| 38 | p.setStyle(SkPaint::kStroke_Style); |
| 39 | for (int i = 0; i <= count; ++i) { |
| 40 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 41 | } |
| 42 | for (int i = 0; i < 2; ++i) { |
| 43 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 44 | } |
| 45 | }; |
Cary Clark | 682c58d | 2018-05-16 07:07:07 -0400 | [diff] [blame] | 46 | SkScalar edges[] = { 0, 5, 11, 16, |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 47 | 0, 3, 8, |
| 48 | 0, 5, 8 }; |
| 49 | const char* labels[] = { "red", "green", "blue" }; |
| 50 | drawBoxText(&edges[0], &labels[0], 3, 15, 45); |
| 51 | drawBoxText(&edges[4], &labels[1], 2, 7, 110); |
| 52 | drawBoxText(&edges[7], &labels[0], 2, 7, 160); |
| 53 | } |
| 54 | ## |
| 55 | ## |
| 56 | |
Cary Clark | 682c58d | 2018-05-16 07:07:07 -0400 | [diff] [blame] | 57 | #Subtopic Image_Info_Color_Type_ARGB_4444 |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 58 | #Example |
| 59 | #Width 415 |
| 60 | #Height 250 |
| 61 | void draw(SkCanvas* canvas) { |
| 62 | canvas->scale(1.25f, 1.25f); |
| 63 | SkPaint paint; |
| 64 | paint.setAntiAlias(true); |
| 65 | paint.setTextSize(10); |
| 66 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 67 | canvas->drawString("16-bit word", 5 + 20 * 8, 20, paint); |
| 68 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 69 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 70 | SkPaint p(paint); |
| 71 | p.setColor(SK_ColorRED); |
| 72 | SkScalar xPos = 15; |
| 73 | int width = n % 32 + 1; |
| 74 | int lastN = n > 32 ? 32 : 0; |
| 75 | for (; n >= lastN; --n) { |
| 76 | for (int i = 0; i <= count; ++i) { |
| 77 | int a = width - e[i]; |
| 78 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 79 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 80 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 81 | break; |
| 82 | } |
| 83 | } |
| 84 | xPos += 20; |
| 85 | } |
| 86 | p.setColor(SK_ColorBLACK); |
| 87 | for (int i = 0; i < count; ++i) { |
| 88 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 89 | } |
| 90 | p.setStyle(SkPaint::kStroke_Style); |
| 91 | for (int i = 0; i <= count; ++i) { |
| 92 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 93 | } |
| 94 | for (int i = 0; i < 2; ++i) { |
| 95 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 96 | } |
| 97 | }; |
| 98 | SkScalar edges[] = { 0, 4, 8, 12, 16 }; |
| 99 | const char* labels[] = { "red", "green", "blue", "alpha" }; |
| 100 | drawBoxText(&edges[0], &labels[0], 4, 15, 45); |
| 101 | drawBoxText(&edges[0], &labels[2], 2, 7, 110); |
| 102 | drawBoxText(&edges[0], &labels[0], 2, 7, 160); |
| 103 | } |
| 104 | ## |
| 105 | ## |
| 106 | |
| 107 | #Subtopic Image_Info_Color_Type_RGBA_8888 |
| 108 | #Example |
| 109 | #Width 812 |
| 110 | #Height 365 |
| 111 | void draw(SkCanvas* canvas) { |
| 112 | canvas->scale(1.25f, 1.25f); |
| 113 | SkPaint paint; |
| 114 | paint.setAntiAlias(true); |
| 115 | paint.setTextSize(10); |
| 116 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 117 | canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint); |
| 118 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 119 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 120 | SkPaint p(paint); |
| 121 | p.setColor(SK_ColorRED); |
| 122 | SkScalar xPos = 15; |
| 123 | int width = n % 32 + 1; |
| 124 | int lastN = n > 32 ? 32 : 0; |
| 125 | for (; n >= lastN; --n) { |
| 126 | for (int i = 0; i <= count; ++i) { |
| 127 | int a = width - e[i]; |
| 128 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 129 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 130 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 131 | break; |
| 132 | } |
| 133 | } |
| 134 | xPos += 20; |
| 135 | } |
| 136 | p.setColor(SK_ColorBLACK); |
| 137 | for (int i = 0; i < count; ++i) { |
| 138 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 139 | } |
| 140 | p.setStyle(SkPaint::kStroke_Style); |
| 141 | for (int i = 0; i <= count; ++i) { |
| 142 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 143 | } |
| 144 | for (int i = 0; i < 2; ++i) { |
| 145 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 146 | } |
| 147 | }; |
| 148 | SkScalar edges[] = { 0, 8, 16, 24, 32 }; |
| 149 | const char* labels[] = { "alpha", "blue", "green", "red" }; |
| 150 | drawBoxText(edges, &labels[0], 4, 31, 45); |
| 151 | drawBoxText(edges, &labels[3], 1, 7, 110); |
| 152 | drawBoxText(edges, &labels[2], 1, 7, 160); |
| 153 | drawBoxText(edges, &labels[1], 1, 7, 210); |
| 154 | drawBoxText(edges, &labels[0], 1, 7, 260); |
| 155 | } |
| 156 | ## |
| 157 | ## |
| 158 | |
Cary Clark | 682c58d | 2018-05-16 07:07:07 -0400 | [diff] [blame] | 159 | #Subtopic Image_Info_Color_Type_RGB_888 |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 160 | #Example |
| 161 | #Width 812 |
| 162 | #Height 365 |
| 163 | void draw(SkCanvas* canvas) { |
| 164 | canvas->scale(1.25f, 1.25f); |
| 165 | SkPaint paint; |
| 166 | paint.setAntiAlias(true); |
| 167 | paint.setTextSize(10); |
| 168 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 169 | canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint); |
| 170 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 171 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 172 | SkPaint p(paint); |
| 173 | p.setColor(SK_ColorRED); |
| 174 | SkScalar xPos = 15; |
| 175 | int width = n % 32 + 1; |
| 176 | int lastN = n > 32 ? 32 : 0; |
| 177 | for (; n >= lastN; --n) { |
| 178 | for (int i = 0; i <= count; ++i) { |
| 179 | int a = width - e[i]; |
| 180 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 181 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 182 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 183 | break; |
| 184 | } |
| 185 | } |
| 186 | xPos += 20; |
| 187 | } |
| 188 | p.setColor(SK_ColorBLACK); |
| 189 | for (int i = 0; i < count; ++i) { |
| 190 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 191 | } |
| 192 | p.setStyle(SkPaint::kStroke_Style); |
| 193 | for (int i = 0; i <= count; ++i) { |
| 194 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 195 | } |
| 196 | for (int i = 0; i < 2; ++i) { |
| 197 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 198 | } |
| 199 | }; |
| 200 | SkScalar edges[] = { 0, 8, 16, 24, 32 }; |
| 201 | const char* labels[] = { "(unused)", "blue", "green", "red" }; |
| 202 | drawBoxText(edges, &labels[0], 4, 31, 45); |
| 203 | drawBoxText(edges, &labels[3], 1, 7, 110); |
| 204 | drawBoxText(edges, &labels[2], 1, 7, 160); |
| 205 | drawBoxText(edges, &labels[1], 1, 7, 210); |
| 206 | drawBoxText(edges, &labels[0], 1, 7, 260); |
| 207 | } |
| 208 | ## |
| 209 | ## |
| 210 | |
| 211 | #Subtopic Image_Info_Color_Type_BGRA_8888 |
| 212 | #Example |
| 213 | #Width 812 |
| 214 | #Height 365 |
| 215 | void draw(SkCanvas* canvas) { |
| 216 | canvas->scale(1.25f, 1.25f); |
| 217 | SkPaint paint; |
| 218 | paint.setAntiAlias(true); |
| 219 | paint.setTextSize(10); |
| 220 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 221 | canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint); |
| 222 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 223 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 224 | SkPaint p(paint); |
| 225 | p.setColor(SK_ColorRED); |
| 226 | SkScalar xPos = 15; |
| 227 | int width = n % 32 + 1; |
| 228 | int lastN = n > 32 ? 32 : 0; |
| 229 | for (; n >= lastN; --n) { |
| 230 | for (int i = 0; i <= count; ++i) { |
| 231 | int a = width - e[i]; |
| 232 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 233 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 234 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 235 | break; |
| 236 | } |
| 237 | } |
| 238 | xPos += 20; |
| 239 | } |
| 240 | p.setColor(SK_ColorBLACK); |
| 241 | for (int i = 0; i < count; ++i) { |
| 242 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 243 | } |
| 244 | p.setStyle(SkPaint::kStroke_Style); |
| 245 | for (int i = 0; i <= count; ++i) { |
| 246 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 247 | } |
| 248 | for (int i = 0; i < 2; ++i) { |
| 249 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 250 | } |
| 251 | }; |
| 252 | SkScalar edges[] = { 0, 8, 16, 24, 32 }; |
| 253 | const char* labels[] = { "alpha", "red", "green", "blue" }; |
| 254 | drawBoxText(edges, &labels[0], 4, 31, 45); |
| 255 | drawBoxText(edges, &labels[3], 1, 7, 110); |
| 256 | drawBoxText(edges, &labels[2], 1, 7, 160); |
| 257 | drawBoxText(edges, &labels[1], 1, 7, 210); |
| 258 | drawBoxText(edges, &labels[0], 1, 7, 260); |
| 259 | } |
| 260 | ## |
| 261 | ## |
| 262 | |
| 263 | #Subtopic Image_Info_Color_Type_RGBA_1010102 |
| 264 | #Example |
| 265 | #Width 812 |
| 266 | #Height 380 |
| 267 | void draw(SkCanvas* canvas) { |
| 268 | canvas->scale(1.25f, 1.25f); |
| 269 | SkPaint paint; |
| 270 | paint.setAntiAlias(true); |
| 271 | paint.setTextSize(10); |
| 272 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 273 | canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint); |
| 274 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 275 | canvas->drawString("(low bits)", 5 + 20 * 4, 137, paint); |
| 276 | canvas->drawString("(low bits)", 5 + 20 * 3, 187, paint); |
| 277 | canvas->drawString("(high bits)", 5 + 20 * 7, 187, paint); |
| 278 | canvas->drawString("(low bits)", 5 + 20 * 2, 237, paint); |
| 279 | canvas->drawString("(high bits)", 5 + 20 * 6, 237, paint); |
| 280 | canvas->drawString("(high bits)", 5 + 20 * 5, 287, paint); |
| 281 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 282 | SkPaint p(paint); |
| 283 | p.setColor(SK_ColorRED); |
| 284 | SkScalar xPos = 15; |
| 285 | int width = n % 32 + 1; |
| 286 | int lastN = n > 32 ? 32 : 0; |
| 287 | for (; n >= lastN; --n) { |
| 288 | for (int i = 0; i <= count; ++i) { |
| 289 | int a = width - e[i]; |
| 290 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 291 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 292 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 293 | break; |
| 294 | } |
| 295 | } |
| 296 | xPos += 20; |
| 297 | } |
| 298 | p.setColor(SK_ColorBLACK); |
| 299 | for (int i = 0; i < count; ++i) { |
| 300 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 301 | } |
| 302 | p.setStyle(SkPaint::kStroke_Style); |
| 303 | for (int i = 0; i <= count; ++i) { |
| 304 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 305 | } |
| 306 | for (int i = 0; i < 2; ++i) { |
| 307 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 308 | } |
| 309 | }; |
| 310 | SkScalar edges[] = { 0, 2, 12, 22, 32, |
| 311 | 0, 8, |
| 312 | 0, 6, 8, |
| 313 | 0, 4, 8, |
| 314 | 0, 2, 8 |
| 315 | }; |
| 316 | const char* labels[] = { "alpha", "blue", "green", "red" }; |
| 317 | drawBoxText(&edges[0], &labels[0], 4, 31, 45); |
| 318 | drawBoxText(&edges[5], &labels[3], 1, 7, 110); |
| 319 | drawBoxText(&edges[7], &labels[2], 2, 7, 160); |
| 320 | drawBoxText(&edges[10], &labels[1], 2, 7, 210); |
| 321 | drawBoxText(&edges[13], &labels[0], 2, 7, 260); |
| 322 | } |
| 323 | ## |
| 324 | ## |
| 325 | |
Cary Clark | 682c58d | 2018-05-16 07:07:07 -0400 | [diff] [blame] | 326 | #Subtopic Image_Info_Color_Type_RGB_101010 |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 327 | #Example |
| 328 | #Width 812 |
| 329 | #Height 380 |
| 330 | void draw(SkCanvas* canvas) { |
| 331 | canvas->scale(1.25f, 1.25f); |
| 332 | SkPaint paint; |
| 333 | paint.setAntiAlias(true); |
| 334 | paint.setTextSize(10); |
| 335 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 336 | canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint); |
| 337 | canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint); |
| 338 | canvas->drawString("(low bits)", 5 + 20 * 4, 137, paint); |
| 339 | canvas->drawString("(low bits)", 5 + 20 * 3, 187, paint); |
| 340 | canvas->drawString("(high bits)", 5 + 20 * 7, 187, paint); |
| 341 | canvas->drawString("(low bits)", 5 + 20 * 2, 237, paint); |
| 342 | canvas->drawString("(high bits)", 5 + 20 * 6, 237, paint); |
| 343 | canvas->drawString("(high bits)", 5 + 20 * 5, 287, paint); |
| 344 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 345 | SkPaint p(paint); |
| 346 | p.setColor(SK_ColorRED); |
| 347 | SkScalar xPos = 15; |
| 348 | int width = n % 32 + 1; |
| 349 | int lastN = n > 32 ? 32 : 0; |
| 350 | for (; n >= lastN; --n) { |
| 351 | for (int i = 0; i <= count; ++i) { |
| 352 | int a = width - e[i]; |
| 353 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 354 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 355 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 356 | break; |
| 357 | } |
| 358 | } |
| 359 | xPos += 20; |
| 360 | } |
| 361 | p.setColor(SK_ColorBLACK); |
| 362 | for (int i = 0; i < count; ++i) { |
| 363 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 364 | } |
| 365 | p.setStyle(SkPaint::kStroke_Style); |
| 366 | for (int i = 0; i <= count; ++i) { |
| 367 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 368 | } |
| 369 | for (int i = 0; i < 2; ++i) { |
| 370 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 371 | } |
| 372 | }; |
| 373 | SkScalar edges[] = { 0, 2, 12, 22, 32, |
| 374 | 0, 8, |
| 375 | 0, 6, 8, |
| 376 | 0, 4, 8, |
| 377 | 0, 2, 8 |
| 378 | }; |
| 379 | const char* labels[] = { "unused", "blue", "green", "red" }; |
| 380 | drawBoxText(&edges[0], &labels[0], 4, 31, 45); |
| 381 | drawBoxText(&edges[5], &labels[3], 1, 7, 110); |
| 382 | drawBoxText(&edges[7], &labels[2], 2, 7, 160); |
| 383 | drawBoxText(&edges[10], &labels[1], 2, 7, 210); |
| 384 | drawBoxText(&edges[13], &labels[0], 2, 7, 260); |
| 385 | } |
| 386 | ## |
| 387 | ## |
| 388 | |
| 389 | #Subtopic Image_Info_Color_Type_RGBA_F16 |
| 390 | #Example |
| 391 | #Width 812 |
| 392 | #Height 685 |
| 393 | void draw(SkCanvas* canvas) { |
| 394 | canvas->scale(1.25f, 1.25f); |
| 395 | SkPaint paint; |
| 396 | paint.setAntiAlias(true); |
| 397 | paint.setTextSize(10); |
| 398 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 399 | canvas->drawString("64-bit word", 5 + 20 * 16, 20, paint); |
| 400 | canvas->drawString("little endian byte order", 5 + 20 * 4, 135, paint); |
| 401 | for (int i = 0; i < 4; ++i) { |
| 402 | canvas->drawString("(low bits)", 5 + 20 * 4, 187 + i * 100, paint); |
| 403 | canvas->drawString("(high bits)", 5 + 20 * 4, 237 + i * 100, paint); |
| 404 | } |
| 405 | auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void { |
| 406 | SkPaint p(paint); |
| 407 | p.setColor(SK_ColorRED); |
| 408 | SkScalar xPos = 15; |
| 409 | int width = n % 32 + 1; |
| 410 | int lastN = n > 32 ? 32 : 0; |
| 411 | for (; n >= lastN; --n) { |
| 412 | for (int i = 0; i <= count; ++i) { |
| 413 | int a = width - e[i]; |
| 414 | if (a == n || a == n + 1 || a == n - 32 || a == n - 31) { |
| 415 | char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'}; |
| 416 | canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p); |
| 417 | break; |
| 418 | } |
| 419 | } |
| 420 | xPos += 20; |
| 421 | } |
| 422 | p.setColor(SK_ColorBLACK); |
| 423 | for (int i = 0; i < count; ++i) { |
| 424 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p); |
| 425 | } |
| 426 | p.setStyle(SkPaint::kStroke_Style); |
| 427 | for (int i = 0; i <= count; ++i) { |
| 428 | canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p); |
| 429 | } |
| 430 | for (int i = 0; i < 2; ++i) { |
| 431 | canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p); |
| 432 | } |
| 433 | }; |
| 434 | SkScalar edges[] = { 0, 16, 32, |
| 435 | 0, 8 |
| 436 | }; |
| 437 | const char* labels[] = { "alpha", "blue", "green", "red" }; |
| 438 | drawBoxText(&edges[0], &labels[0], 2, 63, 45); |
| 439 | drawBoxText(&edges[0], &labels[2], 2, 31, 95); |
| 440 | drawBoxText(&edges[3], &labels[3], 1, 7, 160); |
| 441 | drawBoxText(&edges[3], &labels[3], 1, 7, 210); |
| 442 | drawBoxText(&edges[3], &labels[2], 1, 7, 260); |
| 443 | drawBoxText(&edges[3], &labels[2], 1, 7, 310); |
| 444 | drawBoxText(&edges[3], &labels[1], 1, 7, 360); |
| 445 | drawBoxText(&edges[3], &labels[1], 1, 7, 410); |
| 446 | drawBoxText(&edges[3], &labels[0], 1, 7, 460); |
| 447 | drawBoxText(&edges[3], &labels[0], 1, 7, 510); |
| 448 | } |
| 449 | ## |
| 450 | ## |
| 451 | |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 452 | #Subtopic Image_Info_Color_Type_RGBA_F32 |
| 453 | #Example |
| 454 | #Width 812 |
| 455 | #Height 685 |
| 456 | void draw(SkCanvas* canvas) { |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 457 | canvas->scale(1.25f, 1.25f); |
| 458 | SkPaint paint; |
| 459 | paint.setAntiAlias(true); |
| 460 | paint.setTextSize(10); |
| 461 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 462 | canvas->drawString("128-bit word", 5 + 20 * 16, 20, paint); |
| 463 | canvas->drawString("little endian byte order", 5 + 20 * 4, 135, paint); |
| 464 | for (int i = 0; i < 4; ++i) { |
| 465 | canvas->drawString("(low bits)", 5 + 10 * 4, 187 + i * 100, paint); |
| 466 | canvas->drawString("(high bits)", 105 + 10 * 4, 237 + i * 100, paint); |
| 467 | } |
| 468 | auto drawBoxText = [=](SkScalar e[], const char* s[], const char* nums[] , |
| 469 | int count, int n, SkScalar yPos) -> void { |
| 470 | SkPaint p(paint); |
| 471 | p.setColor(SK_ColorRED); |
| 472 | SkScalar xPos = 15; |
| 473 | int stringIndex = 0; |
| 474 | for (int i = n; i >= 0; --i) { |
| 475 | if (0 == i || n == i || 32 == i || 31 == i) { |
| 476 | int x = xPos; |
| 477 | if (2 == count) { |
| 478 | x += stringIndex * 12 + (stringIndex ? 8 : 0); |
| 479 | } |
| 480 | canvas->drawString(nums[stringIndex], x, yPos - 5, p); |
| 481 | if (1 == count) { |
| 482 | canvas->drawString(nums[stringIndex], xPos + 100, yPos - 5, p); |
| 483 | } |
| 484 | ++stringIndex; |
| 485 | } |
| 486 | xPos += 9; |
| 487 | } |
| 488 | p.setColor(SK_ColorBLACK); |
| 489 | for (int i = 0; i < count; ++i) { |
| 490 | canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 5, yPos + 10, p); |
| 491 | if (1 == count) { |
| 492 | canvas->drawString(s[i], 105 + (e[i] + e[i + 1]) * 5, yPos + 10, p); |
| 493 | } |
| 494 | } |
| 495 | p.setStyle(SkPaint::kStroke_Style); |
| 496 | for (int i = 0; i <= count; ++i) { |
| 497 | canvas->drawLine(5 + e[i] * 10, yPos, 5 + e[i] * 10, yPos + 15, p); |
| 498 | if (1 == count) { |
| 499 | canvas->drawLine(105 + e[i] * 10, yPos, 105 + e[i] * 10, yPos + 15, p); |
| 500 | } |
| 501 | } |
| 502 | for (int i = 0; i < 2; ++i) { |
| 503 | canvas->drawLine(5 + e[0] * 10, yPos + i * 15, |
| 504 | 5 + e[count] * 10, yPos + i * 15, p); |
| 505 | if (1 == count) { |
| 506 | canvas->drawLine(105 + e[0] * 10, yPos + i * 15, |
| 507 | 105 + e[count] * 10, yPos + i * 15, p); |
| 508 | } |
| 509 | } |
| 510 | }; |
| 511 | SkScalar edges[] = { 0, 32, 64, |
| 512 | 0, 8 |
| 513 | }; |
| 514 | const char* labels[] = { "alpha", "blue", "green", "red" }; |
| 515 | const char* nums128[] = { "127", "96", "95", "64"}; |
| 516 | const char* nums64[] = { "63", "32", "31", "0"}; |
| 517 | const char* nums8[] = { "7", "0"}; |
| 518 | drawBoxText(&edges[0], &labels[0], nums128, 2, 63, 45); |
| 519 | drawBoxText(&edges[0], &labels[2], nums64, 2, 63, 95); |
| 520 | drawBoxText(&edges[3], &labels[3], nums8, 1, 7, 160); |
| 521 | drawBoxText(&edges[3], &labels[3], nums8, 1, 7, 210); |
| 522 | drawBoxText(&edges[3], &labels[2], nums8, 1, 7, 260); |
| 523 | drawBoxText(&edges[3], &labels[2], nums8, 1, 7, 310); |
| 524 | drawBoxText(&edges[3], &labels[1], nums8, 1, 7, 360); |
| 525 | drawBoxText(&edges[3], &labels[1], nums8, 1, 7, 410); |
| 526 | drawBoxText(&edges[3], &labels[0], nums8, 1, 7, 460); |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 527 | drawBoxText(&edges[3], &labels[0], nums8, 1, 7, 510); |
| 528 | } |
| 529 | ## |
| 530 | ## |
| 531 | |
Cary Clark | 61313f3 | 2018-10-08 14:57:48 -0400 | [diff] [blame^] | 532 | #Subtopic Blend_Mode_Overview_Porter_Duff |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 533 | #Example |
| 534 | #Width 480 |
| 535 | #Height 330 |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 536 | SkPaint srcPaint; |
| 537 | srcPaint.setAntiAlias(true); |
| 538 | SkPaint labelPaint = srcPaint; |
| 539 | labelPaint.setTextAlign(SkPaint::kCenter_Align); |
| 540 | labelPaint.setTextSize(16); |
| 541 | SkPaint dstPaint = labelPaint; |
| 542 | dstPaint.setTextSize(80); |
| 543 | dstPaint.setColor(0xFF606080); |
| 544 | dstPaint.setTypeface(SkTypeface::MakeFromName("Roboto", SkFontStyle::Bold())); |
| 545 | |
| 546 | SkBitmap srcBits; |
| 547 | srcBits.allocN32Pixels(80, 84); |
| 548 | SkCanvas srcCanvas(srcBits); |
| 549 | srcPaint.setColor(0xFFcc6633); |
| 550 | SkPath srcPath; |
| 551 | const SkPoint points[] = {{20, 20}, {80, 45}, {45, 80}}; |
| 552 | srcPath.addPoly(points, SK_ARRAY_COUNT(points), true); |
| 553 | srcBits.eraseColor(0); |
| 554 | srcCanvas.drawPath(srcPath, srcPaint); |
| 555 | |
| 556 | canvas->drawColor(0, SkBlendMode::kClear); |
| 557 | for (auto blend : { SkBlendMode::kSrc, SkBlendMode::kSrcATop, SkBlendMode::kSrcOver, |
| 558 | SkBlendMode::kSrcIn, SkBlendMode::kSrcOut, |
| 559 | SkBlendMode::kDst, SkBlendMode::kDstATop, SkBlendMode::kDstOver, |
| 560 | SkBlendMode::kDstIn, SkBlendMode::kDstOut, |
| 561 | SkBlendMode::kClear, SkBlendMode::kXor } ) { |
| 562 | canvas->drawString("&", 50, 80, dstPaint); |
| 563 | srcPaint.setBlendMode(blend); |
| 564 | canvas->drawBitmap(srcBits, 0, 0, &srcPaint); |
| 565 | canvas->drawString(SkBlendMode_Name(blend), 50, 100, labelPaint); |
| 566 | canvas->translate(80, 0); |
| 567 | if (SkBlendMode::kSrcOut == blend || SkBlendMode::kDstOut == blend) { |
| 568 | canvas->translate(-80 * 5, 100); |
| 569 | } |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 570 | } |
| 571 | ## |
| 572 | ## |
| 573 | |
Cary Clark | 61313f3 | 2018-10-08 14:57:48 -0400 | [diff] [blame^] | 574 | #Subtopic Blend_Mode_Overview_Porter_Duff_2 |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 575 | #Example |
| 576 | #Width 480 |
| 577 | #Height 330 |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 578 | SkPaint srcPaint; |
| 579 | srcPaint.setAntiAlias(true); |
| 580 | SkPaint labelPaint = srcPaint; |
| 581 | labelPaint.setTextAlign(SkPaint::kCenter_Align); |
| 582 | labelPaint.setTextSize(16); |
| 583 | SkPaint dstPaint = labelPaint; |
| 584 | dstPaint.setTextSize(80); |
| 585 | dstPaint.setColor(0xFF606080); |
| 586 | dstPaint.setTypeface(SkTypeface::MakeFromName("Roboto", SkFontStyle::Bold())); |
| 587 | |
| 588 | srcPaint.setColor(0xFFcc6633); |
| 589 | SkPath srcPath; |
| 590 | const SkPoint points[] = {{20, 20}, {80, 45}, {45, 80}}; |
| 591 | srcPath.addPoly(points, SK_ARRAY_COUNT(points), true); |
| 592 | canvas->drawColor(0, SkBlendMode::kClear); |
| 593 | |
| 594 | SkBitmap dstBits; |
| 595 | dstBits.allocN32Pixels(80, 80); |
| 596 | SkCanvas dstCanvas(dstBits); |
| 597 | for (auto blend : { SkBlendMode::kSrc, SkBlendMode::kSrcATop, SkBlendMode::kSrcOver, |
| 598 | SkBlendMode::kSrcIn, SkBlendMode::kSrcOut, |
| 599 | SkBlendMode::kDst, SkBlendMode::kDstATop, SkBlendMode::kDstOver, |
| 600 | SkBlendMode::kDstIn, SkBlendMode::kDstOut, |
| 601 | SkBlendMode::kClear, SkBlendMode::kXor } ) { |
| 602 | canvas->drawString("&", 50, 80, dstPaint); |
| 603 | srcPaint.setBlendMode(blend); |
| 604 | canvas->drawPath(srcPath, srcPaint); |
| 605 | canvas->drawString(SkBlendMode_Name(blend), 50, 100, labelPaint); |
| 606 | canvas->translate(80, 0); |
| 607 | if (SkBlendMode::kSrcOut == blend || SkBlendMode::kDstOut == blend) { |
| 608 | canvas->translate(-80 * 5, 100); |
| 609 | } |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 610 | } |
| 611 | ## |
| 612 | ## |
| 613 | |
Cary Clark | 61313f3 | 2018-10-08 14:57:48 -0400 | [diff] [blame^] | 614 | #Subtopic Blend_Mode_Overview_Lighten_Darken |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 615 | #Example |
| 616 | #Width 480 |
| 617 | #Height 330 |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 618 | SkPaint srcPaint; |
| 619 | srcPaint.setAntiAlias(true); |
| 620 | SkPaint labelPaint = srcPaint; |
| 621 | labelPaint.setTextAlign(SkPaint::kCenter_Align); |
| 622 | labelPaint.setTextSize(16); |
| 623 | SkPaint dstPaint = labelPaint; |
| 624 | dstPaint.setTextSize(80); |
| 625 | dstPaint.setColor(0xFF606080); |
| 626 | dstPaint.setTypeface(SkTypeface::MakeFromName("Roboto", SkFontStyle::Bold())); |
| 627 | |
| 628 | srcPaint.setColor(0xFFcc6633); |
| 629 | SkPath srcPath; |
| 630 | const SkPoint points[] = {{20, 20}, {80, 45}, {45, 80}}; |
| 631 | srcPath.addPoly(points, SK_ARRAY_COUNT(points), true); |
| 632 | canvas->drawColor(0, SkBlendMode::kClear); |
| 633 | for (auto blend : { SkBlendMode::kPlus, SkBlendMode::kScreen, SkBlendMode::kOverlay, |
| 634 | SkBlendMode::kDarken, SkBlendMode::kLighten, SkBlendMode::kColorDodge, |
| 635 | SkBlendMode::kColorBurn, SkBlendMode::kHardLight, SkBlendMode::kSoftLight, |
| 636 | SkBlendMode::kDifference, SkBlendMode::kExclusion, SkBlendMode::kMultiply } ) { |
| 637 | canvas->drawString("&", 50, 80, dstPaint); |
| 638 | srcPaint.setBlendMode(blend); |
| 639 | canvas->drawPath(srcPath, srcPaint); |
| 640 | canvas->drawString(SkBlendMode_Name(blend), 50, 100, labelPaint); |
| 641 | canvas->translate(90, 0); |
| 642 | if (SkBlendMode::kLighten == blend || SkBlendMode::kDifference == blend) { |
| 643 | canvas->translate(-90 * 5, 100); |
| 644 | } |
| 645 | } |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 646 | ## |
| 647 | ## |
| 648 | |
Cary Clark | 61313f3 | 2018-10-08 14:57:48 -0400 | [diff] [blame^] | 649 | #Subtopic Blend_Mode_Overview_Color_Blends |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 650 | #Example |
| 651 | #Width 480 |
| 652 | #Height 110 |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 653 | SkPaint srcPaint; |
| 654 | srcPaint.setAntiAlias(true); |
| 655 | SkPaint labelPaint = srcPaint; |
| 656 | labelPaint.setTextAlign(SkPaint::kCenter_Align); |
| 657 | labelPaint.setTextSize(16); |
| 658 | SkPaint dstPaint = labelPaint; |
| 659 | dstPaint.setTextSize(80); |
| 660 | dstPaint.setColor(0xFF606080); |
| 661 | dstPaint.setTypeface(SkTypeface::MakeFromName("Roboto", SkFontStyle::Bold())); |
| 662 | |
| 663 | srcPaint.setColor(0xFFcc6633); |
| 664 | SkPath srcPath; |
| 665 | const SkPoint points[] = {{20, 20}, {80, 45}, {45, 80}}; |
| 666 | srcPath.addPoly(points, SK_ARRAY_COUNT(points), true); |
| 667 | canvas->drawColor(0, SkBlendMode::kClear); |
| 668 | for (auto blend : { SkBlendMode::kHue, SkBlendMode::kSaturation, SkBlendMode::kColor, |
| 669 | SkBlendMode::kLuminosity } ) { |
| 670 | canvas->drawString("&", 50, 80, dstPaint); |
| 671 | srcPaint.setBlendMode(blend); |
| 672 | canvas->drawPath(srcPath, srcPaint); |
| 673 | canvas->drawString(SkBlendMode_Name(blend), 50, 100, labelPaint); |
| 674 | canvas->translate(90, 0); |
| 675 | } |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 676 | ## |
| 677 | ## |
| 678 | |
Cary Clark | 61313f3 | 2018-10-08 14:57:48 -0400 | [diff] [blame^] | 679 | #Subtopic Blend_Mode_Overview_Modulate_Blend |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 680 | #Example |
| 681 | #Width 480 |
| 682 | #Height 110 |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 683 | SkPaint srcPaint; |
| 684 | srcPaint.setAntiAlias(true); |
| 685 | SkPaint labelPaint = srcPaint; |
| 686 | labelPaint.setTextAlign(SkPaint::kCenter_Align); |
| 687 | labelPaint.setTextSize(16); |
| 688 | SkPaint dstPaint = labelPaint; |
| 689 | dstPaint.setTextSize(80); |
| 690 | dstPaint.setColor(0xFF606080); |
| 691 | dstPaint.setTypeface(SkTypeface::MakeFromName("Roboto", SkFontStyle::Bold())); |
| 692 | |
| 693 | SkBitmap srcBits; |
| 694 | srcBits.allocN32Pixels(80, 84); |
| 695 | SkCanvas srcCanvas(srcBits); |
| 696 | srcPaint.setColor(0xFFcc6633); |
| 697 | SkPath srcPath; |
| 698 | const SkPoint points[] = {{20, 20}, {80, 45}, {45, 80}}; |
| 699 | srcPath.addPoly(points, SK_ARRAY_COUNT(points), true); |
| 700 | srcBits.eraseColor(0); |
| 701 | srcCanvas.drawPath(srcPath, srcPaint); |
| 702 | |
| 703 | canvas->drawColor(0, SkBlendMode::kClear); |
| 704 | srcPaint.setBlendMode(SkBlendMode::kModulate); |
| 705 | for (auto step: { 1, 2 } ) { |
| 706 | canvas->drawString("&", 50, 80, dstPaint); |
| 707 | if (1 == step) { |
| 708 | canvas->drawBitmap(srcBits, 0, 0, &srcPaint); |
| 709 | canvas->drawString("Bitmap", 50, 18, labelPaint); |
| 710 | } else { |
| 711 | canvas->drawPath(srcPath, srcPaint); |
| 712 | canvas->drawString("Geometry", 50, 18, labelPaint); |
| 713 | } |
| 714 | canvas->drawString(SkBlendMode_Name(SkBlendMode::kModulate), 50, 100, labelPaint); |
| 715 | canvas->translate(120, 0); |
| 716 | } |
Cary Clark | 224c700 | 2018-06-27 11:00:21 -0400 | [diff] [blame] | 717 | |
| 718 | ## |
| 719 | ## |
| 720 | |
Cary Clark | 153e76d | 2018-08-28 11:48:28 -0400 | [diff] [blame] | 721 | #Subtopic Path_Arc |
| 722 | #Example |
| 723 | #Height 300 |
| 724 | #Width 600 |
| 725 | #Function |
| 726 | ###$ |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 727 | |
Cary Clark | 153e76d | 2018-08-28 11:48:28 -0400 | [diff] [blame] | 728 | struct data { |
| 729 | const char* name; |
| 730 | char super; |
| 731 | int yn[10]; |
| 732 | }; |
| 733 | |
| 734 | const data dataSet[] = { |
| 735 | { "arcTo sweep", '1', {1, 3, 1, 0, 0, 0, 0, 1, 0, 0 }}, |
| 736 | { "drawArc", 0, {1, -1, 1, 1, 1, 1, 1, 0, 0, 0 }}, |
| 737 | { "addArc", 0, {1, 1, 1, 4, 0, 1, 1, 1, 0, 0 }}, |
| 738 | { "arcTo tangents", '4', {0, 0, 0, 0, 0, 0, 0, 1, 1, 0 }}, |
| 739 | { "arcTo radii", '5', {1, 0, 1, 0, 0, 0, 0, 1, 1, 0 }}, |
| 740 | { "conicTo", 0, {1, 1, 0, 0, 0, 0, 0, 1, 1, 1 }} |
| 741 | }; |
| 742 | |
| 743 | #define __degree_symbol__ "\xC2" "\xB0" |
| 744 | |
| 745 | const char* headers[] = { |
| 746 | "Oval part", |
| 747 | "force moveTo", |
| 748 | "can draw 180" __degree_symbol__, |
| 749 | "can draw 360" __degree_symbol__, |
| 750 | "can draw greater than 360" __degree_symbol__, |
| 751 | "ignored if radius is zero", |
| 752 | "ignored if sweep is zero", |
| 753 | "requires Path", |
| 754 | "describes rotation", |
| 755 | "describes perspective", |
| 756 | }; |
| 757 | |
| 758 | const char* yna[] = { |
| 759 | "n/a", |
| 760 | "no", |
| 761 | "yes" |
| 762 | }; |
| 763 | $$$# |
| 764 | ## |
| 765 | void draw(SkCanvas* canvas) { |
| 766 | SkPaint lp; |
| 767 | lp.setAntiAlias(true); |
| 768 | SkPaint tp(lp); |
| 769 | SkPaint sp(tp); |
| 770 | SkPaint bp(tp); |
| 771 | bp.setFakeBoldText(true); |
| 772 | sp.setTextSize(10); |
| 773 | lp.setColor(SK_ColorGRAY); |
| 774 | canvas->translate(0, 32); |
| 775 | const int tl = 115; |
| 776 | for (unsigned col = 0; col <= SK_ARRAY_COUNT(headers); ++col) { |
| 777 | canvas->drawLine(tl + col * 35, 100, tl + col * 35, 250, lp); |
| 778 | if (0 == col) { |
| 779 | continue; |
| 780 | } |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 781 | canvas->drawLine( tl + col * 35, 100, tl + 100 + col * 35, 0, lp); |
| 782 | SkPoint pts[] = {{tl - 10.f + col * 35, 98}, {tl + 90.f + col * 35, -2}}; |
| 783 | SkVector v = pts[1] - pts[0]; |
| 784 | v.normalize(); |
Cary Clark | 153e76d | 2018-08-28 11:48:28 -0400 | [diff] [blame] | 785 | SkMatrix matrix; |
Cary Clark | 08417bc | 2018-10-03 10:44:13 -0400 | [diff] [blame] | 786 | matrix.setSinCos(v.fY, v.fX, pts[0].fX, pts[0].fY); |
| 787 | canvas->save(); |
| 788 | canvas->concat(matrix); |
| 789 | canvas->drawText(headers[col -1], strlen(headers[col -1]), pts[0].fX, pts[0].fY, bp); |
| 790 | canvas->restore(); |
Cary Clark | 153e76d | 2018-08-28 11:48:28 -0400 | [diff] [blame] | 791 | } |
| 792 | for (unsigned row = 0; row <= SK_ARRAY_COUNT(dataSet); ++row) { |
| 793 | if (0 == row) { |
| 794 | canvas->drawLine(tl, 100, tl + 350, 100, lp); |
| 795 | } else { |
| 796 | canvas->drawLine(5, 100 + row * 25, tl + 350, 100 + row * 25, lp); |
| 797 | } |
| 798 | if (row == SK_ARRAY_COUNT(dataSet)) { |
| 799 | break; |
| 800 | } |
| 801 | canvas->drawString(dataSet[row].name, 5, 117 + row * 25, bp); |
| 802 | if (dataSet[row].super) { |
| 803 | SkScalar width = bp.measureText(dataSet[row].name, strlen(dataSet[row].name)); |
| 804 | canvas->drawText(&dataSet[row].super, 1, 8 + width, 112 + row * 25, sp); |
| 805 | } |
| 806 | for (unsigned col = 0; col < SK_ARRAY_COUNT(headers); ++col) { |
| 807 | int val = dataSet[row].yn[col]; |
| 808 | canvas->drawString(yna[SkTMin(2, val + 1)], tl + 5 + col * 35, 117 + row * 25, tp); |
| 809 | if (val > 1) { |
| 810 | char supe = '0' + val - 1; |
| 811 | canvas->drawText(&supe, 1, tl + 25 + col * 35, 112 + row * 25, sp); |
| 812 | } |
| 813 | } |
| 814 | } |
| 815 | } |
| 816 | #Example ## |
| 817 | ## |
| 818 | |
Cary Clark | 681287e | 2018-03-16 11:34:15 -0400 | [diff] [blame] | 819 | #Topic Illustrations ## |