OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrDistanceFieldTextContext.h" | 8 #include "GrDistanceFieldTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "GrBitmapTextContext.h" | 10 #include "GrBitmapTextContext.h" |
(...skipping 301 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
312 const char* lastText = text; | 312 const char* lastText = text; |
313 // the last 2 parameters are ignored | 313 // the last 2 parameters are ignored |
314 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | 314 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
315 | 315 |
316 if (glyph.fWidth) { | 316 if (glyph.fWidth) { |
317 SkScalar x = offset.x() + pos[0]; | 317 SkScalar x = offset.x() + pos[0]; |
318 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0)
; | 318 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0)
; |
319 | 319 |
320 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 320 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
321 glyph.getSubXFixed(), | 321 glyph.getSubXFixed(), |
322 glyph.getSubYFixed()), | 322 glyph.getSubYFixed(), |
| 323 GrGlyph::kDistance_MaskStyl
e), |
323 x, y, fontScaler)) { | 324 x, y, fontScaler)) { |
324 // couldn't append, send to fallback | 325 // couldn't append, send to fallback |
325 fallbackTxt.push_back_n(SkToInt(text-lastText), lastText); | 326 fallbackTxt.push_back_n(SkToInt(text-lastText), lastText); |
326 fallbackPos.push_back(pos[0]); | 327 fallbackPos.push_back(pos[0]); |
327 if (2 == scalarsPerPosition) { | 328 if (2 == scalarsPerPosition) { |
328 fallbackPos.push_back(pos[1]); | 329 fallbackPos.push_back(pos[1]); |
329 } | 330 } |
330 } | 331 } |
331 } | 332 } |
332 pos += scalarsPerPosition; | 333 pos += scalarsPerPosition; |
333 } | 334 } |
334 } else { | 335 } else { |
335 SkScalar alignMul = SkPaint::kCenter_Align == fSkPaint.getTextAlign() ?
SK_ScalarHalf | 336 SkScalar alignMul = SkPaint::kCenter_Align == fSkPaint.getTextAlign() ?
SK_ScalarHalf |
336 :
SK_Scalar1; | 337 :
SK_Scalar1; |
337 while (text < stop) { | 338 while (text < stop) { |
338 const char* lastText = text; | 339 const char* lastText = text; |
339 // the last 2 parameters are ignored | 340 // the last 2 parameters are ignored |
340 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | 341 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
341 | 342 |
342 if (glyph.fWidth) { | 343 if (glyph.fWidth) { |
343 SkScalar x = offset.x() + pos[0]; | 344 SkScalar x = offset.x() + pos[0]; |
344 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0)
; | 345 SkScalar y = offset.y() + (2 == scalarsPerPosition ? pos[1] : 0)
; |
345 | 346 |
346 SkScalar advanceX = SkFixedToScalar(glyph.fAdvanceX)*alignMul*fT
extRatio; | 347 SkScalar advanceX = SkFixedToScalar(glyph.fAdvanceX)*alignMul*fT
extRatio; |
347 SkScalar advanceY = SkFixedToScalar(glyph.fAdvanceY)*alignMul*fT
extRatio; | 348 SkScalar advanceY = SkFixedToScalar(glyph.fAdvanceY)*alignMul*fT
extRatio; |
348 | 349 |
349 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 350 if (!this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
350 glyph.getSubXFixed(), | 351 glyph.getSubXFixed(), |
351 glyph.getSubYFixed()), | 352 glyph.getSubYFixed(), |
| 353 GrGlyph::kDistance_MaskStyl
e), |
352 x - advanceX, y - advanceY, fontScaler))
{ | 354 x - advanceX, y - advanceY, fontScaler))
{ |
353 // couldn't append, send to fallback | 355 // couldn't append, send to fallback |
354 fallbackTxt.push_back_n(SkToInt(text-lastText), lastText); | 356 fallbackTxt.push_back_n(SkToInt(text-lastText), lastText); |
355 fallbackPos.push_back(pos[0]); | 357 fallbackPos.push_back(pos[0]); |
356 if (2 == scalarsPerPosition) { | 358 if (2 == scalarsPerPosition) { |
357 fallbackPos.push_back(pos[1]); | 359 fallbackPos.push_back(pos[1]); |
358 } | 360 } |
359 } | 361 } |
360 } | 362 } |
361 pos += scalarsPerPosition; | 363 pos += scalarsPerPosition; |
(...skipping 140 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
502 // Returns true if this method handled the glyph, false if needs to be passed to
fallback | 504 // Returns true if this method handled the glyph, false if needs to be passed to
fallback |
503 // | 505 // |
504 bool GrDistanceFieldTextContext::appendGlyph(GrGlyph::PackedID packed, | 506 bool GrDistanceFieldTextContext::appendGlyph(GrGlyph::PackedID packed, |
505 SkScalar sx, SkScalar sy, | 507 SkScalar sx, SkScalar sy, |
506 GrFontScaler* scaler) { | 508 GrFontScaler* scaler) { |
507 if (NULL == fDrawTarget) { | 509 if (NULL == fDrawTarget) { |
508 return true; | 510 return true; |
509 } | 511 } |
510 | 512 |
511 if (NULL == fStrike) { | 513 if (NULL == fStrike) { |
512 fStrike = fContext->getFontCache()->getStrike(scaler, true); | 514 fStrike = fContext->getFontCache()->getStrike(scaler); |
513 } | 515 } |
514 | 516 |
515 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); | 517 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); |
516 if (NULL == glyph || glyph->fBounds.isEmpty()) { | 518 if (NULL == glyph || glyph->fBounds.isEmpty()) { |
517 return true; | 519 return true; |
518 } | 520 } |
519 | 521 |
520 // fallback to color glyph support | 522 // fallback to color glyph support |
521 if (kA8_GrMaskFormat != glyph->fMaskFormat) { | 523 if (kA8_GrMaskFormat != glyph->fMaskFormat) { |
522 return false; | 524 return false; |
(...skipping 195 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
718 } | 720 } |
719 } | 721 } |
720 | 722 |
721 inline void GrDistanceFieldTextContext::finish() { | 723 inline void GrDistanceFieldTextContext::finish() { |
722 this->flush(); | 724 this->flush(); |
723 fTotalVertexCount = 0; | 725 fTotalVertexCount = 0; |
724 | 726 |
725 GrTextContext::finish(); | 727 GrTextContext::finish(); |
726 } | 728 } |
727 | 729 |
OLD | NEW |