reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | #include "SampleCode.h" |
| 2 | #include "SkView.h" |
| 3 | #include "SkCanvas.h" |
| 4 | #include "Sk64.h" |
| 5 | #include "SkGradientShader.h" |
| 6 | #include "SkGraphics.h" |
| 7 | #include "SkImageDecoder.h" |
| 8 | #include "SkKernel33MaskFilter.h" |
| 9 | #include "SkPath.h" |
| 10 | #include "SkRandom.h" |
| 11 | #include "SkRegion.h" |
| 12 | #include "SkShader.h" |
| 13 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 14 | #include "SkColorPriv.h" |
| 15 | #include "SkColorFilter.h" |
| 16 | #include "SkTime.h" |
| 17 | #include "SkTypeface.h" |
| 18 | #include "SkXfermode.h" |
| 19 | |
| 20 | #include "SkStream.h" |
| 21 | #include "SkXMLParser.h" |
| 22 | |
| 23 | static const int gKernel[3][3] = { |
| 24 | // { -1, -2, -1 }, { -2, 12, -2 }, { -1, -2, -1 } |
| 25 | { 1, 2, 1 }, { 2, 64-12, 2 }, { 1, 2, 1 } |
| 26 | }; |
| 27 | static const int gShift = 6; |
| 28 | |
| 29 | class ReduceNoise : public SkKernel33ProcMaskFilter { |
| 30 | public: |
| 31 | ReduceNoise(int percent256) : SkKernel33ProcMaskFilter(percent256) {} |
| 32 | virtual uint8_t computeValue(uint8_t* const* srcRows) |
| 33 | { |
| 34 | int c = srcRows[1][1]; |
| 35 | int min = 255, max = 0; |
| 36 | for (int i = 0; i < 3; i++) |
| 37 | for (int j = 0; j < 3; j++) |
| 38 | if (i != 1 || j != 1) |
| 39 | { |
| 40 | int v = srcRows[i][j]; |
| 41 | if (max < v) |
| 42 | max = v; |
| 43 | if (min > v) |
| 44 | min = v; |
| 45 | } |
| 46 | if (c > max) c = max; |
| 47 | // if (c < min) c = min; |
| 48 | return c; |
| 49 | } |
| 50 | virtual Factory getFactory() { return Create; } |
| 51 | private: |
| 52 | ReduceNoise(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {} |
| 53 | static SkFlattenable* Create(SkFlattenableReadBuffer& rb) |
| 54 | { |
| 55 | return new ReduceNoise(rb); |
| 56 | } |
| 57 | }; |
| 58 | |
| 59 | class Darken : public SkKernel33ProcMaskFilter { |
| 60 | public: |
| 61 | Darken(int percent256) : SkKernel33ProcMaskFilter(percent256) {} |
| 62 | virtual uint8_t computeValue(uint8_t* const* srcRows) |
| 63 | { |
| 64 | int c = srcRows[1][1]; |
| 65 | float f = c / 255.f; |
| 66 | |
| 67 | if (c >= 0) |
| 68 | { |
| 69 | f = sqrtf(f); |
| 70 | } |
| 71 | else |
| 72 | { |
| 73 | f *= f; |
| 74 | } |
| 75 | SkASSERT(f >= 0 && f <= 1); |
| 76 | return (int)(f * 255); |
| 77 | } |
| 78 | virtual Factory getFactory() { return Create; } |
| 79 | private: |
| 80 | Darken(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {} |
| 81 | static SkFlattenable* Create(SkFlattenableReadBuffer& rb) |
| 82 | { |
| 83 | return new Darken(rb); |
| 84 | } |
| 85 | }; |
| 86 | |
| 87 | static SkMaskFilter* makemf() { return new Darken(0x30); } |
| 88 | |
| 89 | //#ifdef TEST_CLICKX |
| 90 | |
| 91 | static void test_typefaceCache() |
| 92 | { |
reed@android.com | 069b827 | 2009-03-04 15:31:48 +0000 | [diff] [blame] | 93 | SkTypeface* t0 = SkTypeface::CreateFromName("sans-serif", |
| 94 | SkTypeface::kNormal); |
| 95 | SkTypeface* t1 = SkTypeface::CreateFromName(NULL, SkTypeface::kNormal); |
| 96 | SkTypeface* t2 = SkTypeface::CreateFromName("arial", SkTypeface::kNormal); |
| 97 | SkTypeface* t3 = SkTypeface::CreateFromName("helvetica", SkTypeface::kItalic); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 98 | |
reed@android.com | 671cd65 | 2009-05-22 20:44:12 +0000 | [diff] [blame^] | 99 | #ifdef ANDROID |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 100 | SkASSERT(t0 == t1); |
| 101 | SkASSERT(t0 == t2); |
| 102 | SkASSERT(t0 == t3); |
reed@android.com | da342a8 | 2008-12-23 18:37:08 +0000 | [diff] [blame] | 103 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | static void test_breakText() |
| 107 | { |
| 108 | SkPaint paint; |
| 109 | const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj"; |
| 110 | size_t length = strlen(text); |
| 111 | SkScalar width = paint.measureText(text, length); |
| 112 | |
| 113 | SkScalar mm = 0; |
| 114 | SkScalar nn = 0; |
| 115 | for (SkScalar w = 0; w <= width; w += SK_Scalar1) |
| 116 | { |
| 117 | SkScalar m; |
| 118 | size_t n = paint.breakText(text, length, w, &m, |
| 119 | SkPaint::kBackward_TextBufferDirection); |
| 120 | |
| 121 | SkASSERT(n <= length); |
| 122 | SkASSERT(m <= width); |
| 123 | |
| 124 | if (n == 0) |
| 125 | SkASSERT(m == 0); |
| 126 | else |
| 127 | { |
| 128 | // now assert that we're monotonic |
| 129 | if (n == nn) |
| 130 | SkASSERT(m == mm); |
| 131 | else |
| 132 | { |
| 133 | SkASSERT(n > nn); |
| 134 | SkASSERT(m > mm); |
| 135 | } |
| 136 | } |
| 137 | nn = n; |
| 138 | mm = m; |
| 139 | } |
| 140 | |
| 141 | nn = paint.breakText(text, length, width, &mm); |
| 142 | SkASSERT(nn == length); |
| 143 | SkASSERT(mm == width); |
| 144 | } |
| 145 | |
| 146 | static SkRandom gRand; |
| 147 | |
| 148 | class SkPowerMode : public SkXfermode { |
| 149 | public: |
| 150 | SkPowerMode(SkScalar exponent) { this->init(exponent); } |
| 151 | |
| 152 | virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, const SkAlpha aa[]); |
| 153 | |
| 154 | typedef SkFlattenable* (*Factory)(SkFlattenableReadBuffer&); |
| 155 | |
| 156 | // overrides for SkFlattenable |
| 157 | virtual Factory getFactory() { return Create; } |
| 158 | virtual void flatten(SkFlattenableWriteBuffer& b) |
| 159 | { |
| 160 | // this->INHERITED::flatten(b); How can we know if this is legal???? |
| 161 | b.write32(SkScalarToFixed(fExp)); |
| 162 | } |
| 163 | |
| 164 | private: |
| 165 | SkScalar fExp; // user's value |
| 166 | uint8_t fTable[256]; // cache |
| 167 | |
| 168 | void init(SkScalar exponent); |
| 169 | SkPowerMode(SkFlattenableReadBuffer& b) : SkXfermode(b) |
| 170 | { |
| 171 | // read the exponent |
| 172 | this->init(SkFixedToScalar(b.readS32())); |
| 173 | } |
| 174 | static SkFlattenable* Create(SkFlattenableReadBuffer& b) |
| 175 | { |
| 176 | return SkNEW_ARGS(SkPowerMode, (b)); |
| 177 | } |
| 178 | |
| 179 | typedef SkXfermode INHERITED; |
| 180 | }; |
| 181 | |
| 182 | void SkPowerMode::init(SkScalar e) |
| 183 | { |
| 184 | fExp = e; |
| 185 | float ee = SkScalarToFloat(e); |
| 186 | |
| 187 | printf("------ %g\n", ee); |
| 188 | for (int i = 0; i < 256; i++) |
| 189 | { |
| 190 | float x = i / 255.f; |
| 191 | // printf(" %d %g", i, x); |
| 192 | x = powf(x, ee); |
| 193 | // printf(" %g", x); |
| 194 | int xx = SkScalarRound(SkFloatToScalar(x * 255)); |
| 195 | // printf(" %d\n", xx); |
| 196 | fTable[i] = SkToU8(xx); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | void SkPowerMode::xfer16(uint16_t dst[], const SkPMColor src[], int count, const SkAlpha aa[]) |
| 201 | { |
| 202 | for (int i = 0; i < count; i++) |
| 203 | { |
| 204 | SkPMColor c = src[i]; |
| 205 | int r = SkGetPackedR32(c); |
| 206 | int g = SkGetPackedG32(c); |
| 207 | int b = SkGetPackedB32(c); |
| 208 | r = fTable[r]; |
| 209 | g = fTable[g]; |
| 210 | b = fTable[b]; |
| 211 | dst[i] = SkPack888ToRGB16(r, g, b); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | static const struct { |
| 216 | const char* fName; |
| 217 | uint32_t fFlags; |
| 218 | bool fFlushCache; |
| 219 | } gHints[] = { |
| 220 | { "Linear", SkPaint::kLinearText_Flag, false }, |
| 221 | { "Normal", 0, true }, |
| 222 | { "Subpixel", SkPaint::kSubpixelText_Flag, true } |
| 223 | }; |
| 224 | |
| 225 | #ifdef SK_DEBUG |
| 226 | #define REPEAT_COUNT 1 |
| 227 | #else |
| 228 | #define REPEAT_COUNT 5000 |
| 229 | #endif |
| 230 | |
| 231 | static int count_char_points(const SkPaint& paint, char c) |
| 232 | { |
| 233 | SkPath path; |
| 234 | |
| 235 | paint.getTextPath(&c, 1, 0, 0, &path); |
| 236 | return path.getPoints(NULL, 0); |
| 237 | } |
| 238 | |
| 239 | static int gOld, gNew, gCount; |
| 240 | |
| 241 | static void dump(int c, int oldc, int newc) |
| 242 | { |
| 243 | if (oldc != newc) |
| 244 | { |
| 245 | gOld += oldc; |
| 246 | gNew += newc; |
| 247 | gCount += 1; |
| 248 | printf("char %c: old = %3d, new = %3d, reduction %g%%\n", c, oldc, newc, 100. * (oldc - newc) / oldc); |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | static void tab(int n) |
| 253 | { |
| 254 | // printf("[%d] ", n); return; |
| 255 | SkASSERT(n >= 0); |
| 256 | for (int i = 0; i < n; i++) |
| 257 | printf(" "); |
| 258 | } |
| 259 | |
| 260 | #if 0 |
| 261 | #include "badrects.cpp" |
| 262 | |
| 263 | static void make_badrgn(SkRegion* rgn, int insetAmount) |
| 264 | { |
| 265 | SkRect16 r, bounds; |
| 266 | int i; |
| 267 | |
| 268 | rgn->setEmpty(); |
| 269 | bounds.setEmpty(); |
| 270 | |
| 271 | for (i = 0; i < SK_ARRAY_COUNT(badrects); i++) |
| 272 | { |
| 273 | SkASSERT(badrects[i].width > 0 && badrects[i].height > 0); |
| 274 | |
| 275 | r.set(badrects[i].x, badrects[i].y, badrects[i].x + badrects[i].width, badrects[i].y + badrects[i].height); |
| 276 | r.inset(insetAmount, insetAmount); |
| 277 | rgn->op(r, SkRegion::kUnion_Op); |
| 278 | bounds.join(r); |
| 279 | } |
| 280 | SkASSERT(bounds == rgn->getBounds()); |
| 281 | |
| 282 | for (i = 0; i < SK_ARRAY_COUNT(badrects); i++) |
| 283 | { |
| 284 | r.set(badrects[i].x, badrects[i].y, badrects[i].x + badrects[i].width, badrects[i].y + badrects[i].height); |
| 285 | SkASSERT(rgn->contains(r)); |
| 286 | } |
| 287 | } |
| 288 | #endif |
| 289 | |
| 290 | static void draw_rgn(const SkRegion& rgn, SkCanvas* canvas, const SkPaint& paint) |
| 291 | { |
| 292 | SkRect r; |
| 293 | SkRegion::Iterator iter(rgn); |
| 294 | |
| 295 | for (; !iter.done(); iter.next()) |
| 296 | { |
| 297 | r.set(iter.rect()); |
| 298 | canvas->drawRect(r, paint); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | static void test_break(SkCanvas* canvas, const char text[], size_t length, |
| 303 | SkScalar x, SkScalar y, const SkPaint& paint, |
| 304 | SkScalar clickX) |
| 305 | { |
| 306 | SkPaint linePaint; |
| 307 | |
| 308 | linePaint.setAntiAlias(true); |
| 309 | |
| 310 | SkScalar measured; |
| 311 | |
| 312 | if (paint.breakText(text, length, clickX - x, &measured, SkPaint::kForward_TextBufferDirection)) |
| 313 | { |
| 314 | linePaint.setColor(SK_ColorRED); |
| 315 | canvas->drawLine(x, y, x + measured, y, linePaint); |
| 316 | } |
| 317 | |
| 318 | x += paint.measureText(text, length); |
| 319 | if (paint.breakText(text, length, x - clickX, &measured, SkPaint::kBackward_TextBufferDirection)) |
| 320 | { |
| 321 | linePaint.setColor(SK_ColorBLUE); |
| 322 | canvas->drawLine(x - measured, y, x, y, linePaint); |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | static void test_poly() |
| 327 | { |
| 328 | static const SkPoint dst[] = { |
| 329 | SkIntToScalar(2), SkIntToScalar(1), |
| 330 | SkIntToScalar(5), SkIntToScalar(1), |
| 331 | SkIntToScalar(5), SkIntToScalar(3), |
| 332 | SkIntToScalar(2), SkIntToScalar(3) |
| 333 | }; |
| 334 | |
| 335 | static const SkPoint src[] = { |
| 336 | SkIntToScalar(0), SkIntToScalar(0), |
| 337 | SkIntToScalar(1), SkIntToScalar(0), |
| 338 | SkIntToScalar(1), SkIntToScalar(1), |
| 339 | SkIntToScalar(0), SkIntToScalar(1) |
| 340 | }; |
| 341 | |
| 342 | SkMatrix matrix; |
| 343 | |
| 344 | if (matrix.setPolyToPoly(src, dst, 4)) |
| 345 | { |
| 346 | SkPoint pt = { SK_Scalar1/2, SK_Scalar1/2 }; |
| 347 | matrix.mapPoints(&pt, 1); |
| 348 | printf("---- x = %g y = %g\n", SkScalarToFloat(pt.fX), SkScalarToFloat(pt.fY)); |
| 349 | } |
| 350 | else |
| 351 | printf("---- setPolyToPoly failed\n"); |
| 352 | } |
| 353 | |
| 354 | #include "SkColorShader.h" |
| 355 | |
| 356 | static void DrawTheText(SkCanvas* canvas, const char text[], size_t length, |
| 357 | SkScalar x, SkScalar y, const SkPaint& paint, |
| 358 | SkScalar clickX, SkMaskFilter* mf) |
| 359 | { |
| 360 | SkPaint p(paint); |
| 361 | |
| 362 | #if 0 |
| 363 | canvas->drawText(text, length, x, y, paint); |
| 364 | #else |
| 365 | { |
| 366 | SkPoint pts[1000]; |
| 367 | SkScalar xpos = x; |
| 368 | SkASSERT(length <= SK_ARRAY_COUNT(pts)); |
| 369 | for (size_t i = 0; i < length; i++) |
| 370 | pts[i].set(xpos, y), xpos += paint.getTextSize(); |
| 371 | canvas->drawPosText(text, length, pts, paint); |
| 372 | } |
| 373 | #endif |
| 374 | |
| 375 | p.setSubpixelText(true); |
| 376 | x += SkIntToScalar(180); |
| 377 | canvas->drawText(text, length, x, y, p); |
| 378 | |
| 379 | #ifdef TEST_CLICKX |
| 380 | test_break(canvas, text, length, x, y, p, clickX); |
| 381 | #endif |
| 382 | |
| 383 | #ifdef SK_DEBUG |
| 384 | if (false) |
| 385 | { |
| 386 | SkColorShader shader; |
| 387 | p.setShader(&shader); |
| 388 | x += SkIntToScalar(180); |
| 389 | canvas->drawText(text, length, x, y, p); |
| 390 | p.setShader(NULL); |
| 391 | } |
| 392 | |
| 393 | if (true) |
| 394 | { |
| 395 | // p.setMaskFilter(mf); |
| 396 | p.setSubpixelText(false); |
| 397 | p.setLinearText(true); |
| 398 | x += SkIntToScalar(180); |
| 399 | canvas->drawText(text, length, x, y, p); |
| 400 | } |
| 401 | #endif |
| 402 | } |
| 403 | |
| 404 | class TextSpeedView : public SkView { |
| 405 | public: |
| 406 | TextSpeedView() |
| 407 | { |
| 408 | fMF = makemf(); |
| 409 | |
| 410 | fHints = 0; |
| 411 | |
| 412 | if (false) |
| 413 | { |
| 414 | static const char extra[] = { '.', ',', ':', ';', '!' }; |
| 415 | SkPaint paint, paint2; |
| 416 | |
reed@android.com | 069b827 | 2009-03-04 15:31:48 +0000 | [diff] [blame] | 417 | paint2.setTypeface(SkTypeface::CreateFromName(NULL, |
| 418 | SkTypeface::kItalic))->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 419 | |
| 420 | for (int i = 0; i < 26; i++) |
| 421 | ::dump('a' + i, count_char_points(paint, 'a' + i), count_char_points(paint2, 'a' + i)); |
| 422 | for (int j = 0; j < SK_ARRAY_COUNT(extra); j++) |
| 423 | ::dump(extra[j], count_char_points(paint, extra[j]), count_char_points(paint2, extra[j])); |
| 424 | |
| 425 | printf("--- ave reduction = %g%%\n", 100. * (gOld - gNew) / gOld); |
| 426 | } |
| 427 | |
| 428 | if (true) |
| 429 | { |
| 430 | SkPoint pts[] = { SkIntToScalar(20), 0, SkIntToScalar(256+20), 0 }; |
| 431 | SkColor colors[] = { SkColorSetARGB(0, 255, 255, 255), SkColorSetARGB(255, 255, 255, 255) }; |
| 432 | fGradient = SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kClamp_TileMode); |
| 433 | } |
| 434 | |
| 435 | fClickX = 0; |
| 436 | |
| 437 | test_breakText(); |
| 438 | test_typefaceCache(); |
| 439 | test_poly(); |
| 440 | } |
| 441 | |
| 442 | virtual ~TextSpeedView() |
| 443 | { |
| 444 | fGradient->unref(); |
| 445 | fMF->safeUnref(); |
| 446 | } |
| 447 | |
| 448 | protected: |
| 449 | // overrides from SkEventSink |
| 450 | virtual bool onQuery(SkEvent* evt) |
| 451 | { |
| 452 | if (SampleCode::TitleQ(*evt)) |
| 453 | { |
| 454 | SampleCode::TitleR(evt, "Text"); |
| 455 | return true; |
| 456 | } |
| 457 | return this->INHERITED::onQuery(evt); |
| 458 | } |
| 459 | |
| 460 | void drawBG(SkCanvas* canvas) |
| 461 | { |
| 462 | // canvas->drawColor(0xFFDDDDDD); |
| 463 | canvas->drawColor(SK_ColorWHITE); |
| 464 | // canvas->drawColor(SK_ColorBLACK); |
| 465 | } |
| 466 | |
| 467 | static void make_textstrip(SkBitmap* bm) |
| 468 | { |
| 469 | bm->setConfig(SkBitmap::kRGB_565_Config, 200, 18); |
| 470 | bm->allocPixels(); |
| 471 | bm->eraseColor(SK_ColorWHITE); |
| 472 | |
| 473 | SkCanvas canvas(*bm); |
| 474 | SkPaint paint; |
| 475 | const char* s = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit"; |
| 476 | |
| 477 | paint.setFlags(paint.getFlags() | SkPaint::kAntiAlias_Flag |
| 478 | | SkPaint::kDevKernText_Flag); |
| 479 | paint.setTextSize(SkIntToScalar(14)); |
| 480 | canvas.drawText(s, strlen(s), SkIntToScalar(8), SkIntToScalar(14), paint); |
| 481 | } |
| 482 | |
| 483 | static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) |
| 484 | { |
| 485 | for (size_t i = 0; i < n; i++) |
| 486 | pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480); |
| 487 | } |
| 488 | |
| 489 | virtual void onDraw(SkCanvas* canvas) |
| 490 | { |
| 491 | if (false) |
| 492 | { |
| 493 | canvas->translate(SkIntToScalar(480), 0); |
| 494 | canvas->rotate(SkIntToScalar(90)); |
| 495 | } |
| 496 | |
| 497 | this->drawBG(canvas); |
| 498 | |
| 499 | if (false) |
| 500 | { |
| 501 | SkPaint p; |
| 502 | |
| 503 | p.setAntiAlias(true); |
| 504 | p.setSubpixelText(true); |
| 505 | // p.setLinearText(true); |
| 506 | |
| 507 | SkScalar size = SkIntToScalar(6); |
| 508 | SkMSec dur = 0; |
| 509 | const int LOOP = 16; |
| 510 | const int TIMES = 10; |
| 511 | |
| 512 | for (int times = 0; times < TIMES; times++) |
| 513 | { |
| 514 | SkMSec now = SkTime::GetMSecs(); |
| 515 | for (int loop = 0; loop < LOOP; loop++) |
| 516 | { |
| 517 | p.setTextSize(size); |
| 518 | size += SK_Scalar1/5; |
| 519 | canvas->drawText("Hamburgefons", 12, SkIntToScalar(10), SkIntToScalar(50), p); |
| 520 | } |
| 521 | dur += SkTime::GetMSecs() - now; |
| 522 | SkGraphics::SetFontCacheUsed(0); |
| 523 | } |
| 524 | |
| 525 | printf("----- duration = %g\n", dur * 1.0 / TIMES); |
| 526 | this->inval(NULL); |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | if (false) |
| 531 | { |
| 532 | SkPaint p; |
| 533 | p.setAntiAlias(true); |
| 534 | for (int i = 6; i <= 36; i++) |
| 535 | { |
| 536 | SkRect r; |
| 537 | SkPaint::FontMetrics m; |
| 538 | p.setTextSize(SkIntToScalar(i)); |
| 539 | p.getFontMetrics(&m); |
| 540 | int ascent = SkScalarRound(m.fAscent); |
| 541 | int descent = SkScalarRound(m.fDescent); |
| 542 | for (uint8_t c = ' '; c <= 127; c++) |
| 543 | { |
| 544 | p.getTextWidths(&c, 1, NULL, &r); |
| 545 | if (SkScalarRound(r.fTop) < ascent) |
| 546 | printf("PS %d --- %c [%d] top=%g, ascent=%g ymax=%g\n", i, c, c, |
| 547 | SkScalarToFloat(r.fTop), SkScalarToFloat(m.fAscent), SkScalarToFloat(m.fTop)); |
| 548 | if (SkScalarRound(r.fBottom) > descent) |
| 549 | printf("PS %d --- %c [%d] bottom=%g, descent=%g ymin=%g\n", i, c, c, |
| 550 | SkScalarToFloat(r.fBottom), SkScalarToFloat(m.fDescent), SkScalarToFloat(m.fBottom)); |
| 551 | } |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | if (false) |
| 556 | { |
| 557 | SkPaint p; |
| 558 | p.setShader(fGradient); |
| 559 | |
| 560 | #ifdef SK_RELEASE |
| 561 | SkMSec now = SkTime::GetMSecs(); |
| 562 | for (int i = 0; i < 100; i++) |
| 563 | #endif |
| 564 | canvas->drawPaint(p); |
| 565 | #ifdef SK_RELEASE |
| 566 | printf("----- %d ms\n", SkTime::GetMSecs() - now); |
| 567 | this->inval(NULL); |
| 568 | #endif |
| 569 | return; |
| 570 | } |
| 571 | |
| 572 | if (false) |
| 573 | { |
| 574 | SkBitmap bm; |
| 575 | |
| 576 | make_textstrip(&bm); |
| 577 | canvas->translate(0, SkIntToScalar(50)); |
| 578 | for (int i = 0; i < 10; i++) |
| 579 | { |
| 580 | float gamma = 1 + i * 0.2f; |
| 581 | SkPowerMode mode(SkFloatToScalar(1 / gamma)); |
| 582 | SkPaint p; |
| 583 | p.setXfermode(&mode); |
| 584 | |
| 585 | canvas->drawBitmap(bm, 0, SkIntToScalar(i) * bm.height(), &p); |
| 586 | } |
| 587 | return; |
| 588 | } |
| 589 | |
| 590 | if (false) |
| 591 | { |
| 592 | SkPaint paint; |
| 593 | |
| 594 | paint.setAntiAlias(true); |
| 595 | paint.setDevKernText(true); |
| 596 | SkMSec now = SkTime::GetMSecs(); |
| 597 | for (int i = 0; i < 1000000; i++) |
| 598 | { |
| 599 | paint.measureText("Hamburgefons", 15, NULL, NULL); |
| 600 | } |
| 601 | printf("--------- measure %d\n", SkTime::GetMSecs() - now); |
| 602 | this->inval(NULL); |
| 603 | return; |
| 604 | } |
| 605 | |
| 606 | if (false) |
| 607 | { |
| 608 | SkRegion rgn; |
| 609 | SkPath path; |
| 610 | SkPaint paint; |
| 611 | |
| 612 | // make_badrgn(&rgn, -2); |
| 613 | |
| 614 | if (false) |
| 615 | { |
| 616 | paint.setColor(SK_ColorBLUE); |
| 617 | canvas->drawIRect(rgn.getBounds(), paint); |
| 618 | } |
| 619 | paint.setColor(SK_ColorRED); |
| 620 | draw_rgn(rgn, canvas, paint); |
| 621 | |
| 622 | rgn.getBoundaryPath(&path); |
| 623 | paint.setARGB(0x80, 0, 0, 0xFF); |
| 624 | canvas->drawPath(path, paint); |
| 625 | return; |
| 626 | } |
| 627 | |
| 628 | if (false) |
| 629 | { |
| 630 | SkRect r = { SkIntToScalar(50), SkIntToScalar(50), SkIntToScalar(300), SkIntToScalar(300) }; |
| 631 | SkPaint p; |
| 632 | |
| 633 | p.setStyle(SkPaint::kStroke_Style); |
| 634 | p.setAlpha(0x80); |
| 635 | p.setStrokeWidth(SkIntToScalar(20)); |
| 636 | canvas->drawRect(r, p); |
| 637 | } |
| 638 | |
| 639 | if (false) |
| 640 | { |
| 641 | SkPaint p; |
| 642 | SkRect r = { SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(104), SkIntToScalar(104) }; |
| 643 | // r.offset(SK_ScalarHalf, SK_ScalarHalf); |
| 644 | p.setStyle(SkPaint::kStroke_Style); |
| 645 | p.setStrokeWidth(SK_Scalar1*2); |
| 646 | // p.setAntiAliasOn(true); |
| 647 | canvas->drawRect(r, p); |
| 648 | return; |
| 649 | } |
| 650 | |
| 651 | if (false) |
| 652 | { |
| 653 | Sk64 aa, bb; |
| 654 | int64_t a = (int64_t)6062080 * -30596; |
| 655 | int64_t b = (int64_t)4816896 * 57957; |
| 656 | aa.setMul(6062080, -30596); |
| 657 | bb.setMul(4816896, 57957); |
| 658 | |
| 659 | a += b; |
| 660 | b = a >> 16; |
| 661 | |
| 662 | // SkFixed c = aa.addGetFixed(bb); |
| 663 | |
| 664 | printf("%d %d\n", (int)a, a >> 32); |
| 665 | |
| 666 | SkBitmap bm; |
| 667 | SkPaint paint; |
| 668 | SkScalar scale = SkFloatToScalar(0.5625f); |
| 669 | SkScalar x = SkIntToScalar(100); |
| 670 | SkScalar y = SkIntToScalar(100); |
| 671 | |
| 672 | //paint.setFilterType(SkPaint::kBilinear_FilterType); |
| 673 | |
| 674 | SkImageDecoder::DecodeFile("/app_web_browser.png", &bm); |
| 675 | |
| 676 | // canvas->drawBitmap(bm, x, y, paint); |
| 677 | x += SkIntToScalar(100); |
| 678 | canvas->save(); |
| 679 | canvas->translate(x, y); |
| 680 | canvas->scale(SkIntToScalar(2)/1, SkIntToScalar(2)/1); |
| 681 | canvas->translate(-x, -y); |
| 682 | canvas->drawBitmap(bm, x, y, &paint); |
| 683 | canvas->restore(); |
| 684 | x += SkIntToScalar(100); |
| 685 | canvas->save(); |
| 686 | canvas->translate(x, y); |
| 687 | canvas->scale(scale, scale); |
| 688 | canvas->translate(-x, -y); |
| 689 | // canvas->drawBitmap(bm, x, y, paint); |
| 690 | canvas->restore(); |
| 691 | return; |
| 692 | } |
| 693 | |
| 694 | SkAutoCanvasRestore restore(canvas, false); |
| 695 | { |
| 696 | SkRect r; |
| 697 | r.set(0, 0, SkIntToScalar(1000), SkIntToScalar(20)); |
| 698 | // canvas->saveLayer(&r, NULL, SkCanvas::kHasAlphaLayer_SaveFlag); |
| 699 | } |
| 700 | |
| 701 | SkPaint paint; |
| 702 | // const uint16_t glyphs[] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 }; |
| 703 | int index = fHints % SK_ARRAY_COUNT(gHints); |
| 704 | index = 1; |
| 705 | // const char* style = gHints[index].fName; |
| 706 | |
| 707 | // canvas->translate(0, SkIntToScalar(50)); |
| 708 | |
| 709 | // canvas->drawText(style, strlen(style), SkIntToScalar(20), SkIntToScalar(20), paint); |
| 710 | |
| 711 | // paint.setTypeface(SkTypeface::Create(NULL, SkTypeface::kItalic))->unref(); |
| 712 | paint.setAntiAlias(true); |
| 713 | paint.setFlags(paint.getFlags() | gHints[index].fFlags); |
| 714 | |
| 715 | SkMSec now = 0; |
| 716 | if (REPEAT_COUNT > 1) |
| 717 | now = SkTime::GetMSecs(); |
| 718 | |
| 719 | SkRect clip; |
| 720 | clip.set(SkIntToScalar(25), SkIntToScalar(34), SkIntToScalar(88), SkIntToScalar(155)); |
| 721 | |
| 722 | if (0) { |
| 723 | canvas->clipRect(clip); |
| 724 | } |
| 725 | |
| 726 | if (0) { |
| 727 | SkPath clipPath; |
| 728 | clipPath.addOval(clip); |
| 729 | canvas->clipPath(clipPath); |
| 730 | } |
| 731 | |
| 732 | const char* text = "Hamburgefons"; |
| 733 | size_t length = strlen(text); |
| 734 | |
| 735 | #ifdef TEST_CLICKX |
| 736 | { |
| 737 | SkPaint p; |
| 738 | |
| 739 | p.setColor(SK_ColorGREEN); |
| 740 | p.setAntiAlias(true); |
| 741 | canvas->drawLine(fClickX, 0, fClickX, SkIntToScalar(1000), p); |
| 742 | } |
| 743 | #endif |
| 744 | |
| 745 | for (int j = 0; j < REPEAT_COUNT; j++) |
| 746 | { |
| 747 | SkScalar y = SkIntToScalar(0); |
| 748 | for (int i = 9; i <= 24; i++) { |
| 749 | paint.setTextSize(SkIntToScalar(i) /*+ (gRand.nextU() & 0xFFFF)*/); |
| 750 | for (SkScalar dx = 0; dx <= SkIntToScalar(3)/4; dx += SkIntToScalar(1) /* /4 */) |
| 751 | { |
| 752 | y += paint.getFontSpacing(); |
| 753 | DrawTheText(canvas, text, length, SkIntToScalar(20) + dx, y, paint, fClickX, fMF); |
| 754 | } |
| 755 | } |
| 756 | if (gHints[index].fFlushCache) { |
| 757 | SkGraphics::SetFontCacheUsed(0); |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | if (REPEAT_COUNT > 1) |
| 762 | { |
| 763 | printf("--------- FPS = %g\n", REPEAT_COUNT * 1000. / (SkTime::GetMSecs() - now)); |
| 764 | this->inval(NULL); |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) |
| 769 | { |
| 770 | fClickX = x; |
| 771 | this->inval(NULL); |
| 772 | return this->INHERITED::onFindClickHandler(x, y); |
| 773 | } |
| 774 | |
| 775 | virtual bool onClick(Click* click) |
| 776 | { |
| 777 | return this->INHERITED::onClick(click); |
| 778 | } |
| 779 | |
| 780 | private: |
| 781 | int fHints; |
| 782 | SkScalar fClickX; |
| 783 | SkMaskFilter* fMF; |
| 784 | SkShader* fGradient; |
| 785 | |
| 786 | typedef SkView INHERITED; |
| 787 | }; |
| 788 | |
| 789 | ////////////////////////////////////////////////////////////////////////////// |
| 790 | |
| 791 | static SkView* MyFactory() { return new TextSpeedView; } |
| 792 | static SkViewRegister reg(MyFactory); |
| 793 | |