The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/svg/SkSVGGradient.cpp
gfx/skia/trunk/src/svg/SkSVGGradient.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:88c97e891353 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2006 The Android Open Source Project | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 | |
| 10 #include "SkSVGGradient.h" | |
| 11 #include "SkSVGParser.h" | |
| 12 #include "SkSVGStop.h" | |
| 13 | |
| 14 SkSVGGradient::SkSVGGradient() { | |
| 15 } | |
| 16 | |
| 17 SkSVGElement* SkSVGGradient::getGradient() { | |
| 18 return this; | |
| 19 } | |
| 20 | |
| 21 bool SkSVGGradient::isDef() { | |
| 22 return true; | |
| 23 } | |
| 24 | |
| 25 bool SkSVGGradient::isNotDef() { | |
| 26 return false; | |
| 27 } | |
| 28 | |
| 29 void SkSVGGradient::translate(SkSVGParser& parser, bool defState) { | |
| 30 INHERITED::translate(parser, defState); | |
| 31 // !!! no support for 'objectBoundingBox' yet | |
| 32 bool first = true; | |
| 33 bool addedFirst = false; | |
| 34 bool addedLast = false; | |
| 35 SkString offsets("["); | |
| 36 SkString* lastOffset = NULL; | |
| 37 for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) { | |
| 38 SkASSERT((*ptr)->getType() == SkSVGType_Stop); | |
| 39 SkSVGStop* stop = (SkSVGStop*) *ptr; | |
| 40 if (first && stop->f_offset.equals("0") == false) { | |
| 41 addedFirst = true; | |
| 42 offsets.append("0,"); | |
| 43 } | |
| 44 SkString* thisOffset = &stop->f_offset; | |
| 45 if (lastOffset && thisOffset->equals(*lastOffset)) { | |
| 46 if (thisOffset->equals("1")) { | |
| 47 offsets.remove(offsets.size() - 2, 2); | |
| 48 offsets.append(".999,"); | |
| 49 } else { | |
| 50 SkASSERT(0); // !!! need to write this case | |
| 51 } | |
| 52 } | |
| 53 offsets.append(*thisOffset); | |
| 54 if (ptr == fChildren.end() - 1) { // last | |
| 55 if (stop->f_offset.equals("1") == false) { | |
| 56 offsets.append(",1"); | |
| 57 addedLast = true; | |
| 58 } | |
| 59 } else | |
| 60 offsets.appendUnichar(','); | |
| 61 first = false; | |
| 62 lastOffset = thisOffset; | |
| 63 } | |
| 64 offsets.appendUnichar(']'); | |
| 65 parser._addAttribute("offsets", offsets); | |
| 66 if (addedFirst) | |
| 67 parser.translate(*fChildren.begin(), defState); | |
| 68 for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) | |
| 69 parser.translate(*ptr, defState); | |
| 70 if (addedLast) | |
| 71 parser.translate(*(fChildren.end() - 1), defState); | |
| 72 } | |
| 73 | |
| 74 void SkSVGGradient::translateGradientUnits(SkString& units) { | |
| 75 // !!! no support for 'objectBoundingBox' yet | |
| 76 SkASSERT(strcmp(units.c_str(), "userSpaceOnUse") == 0); | |
| 77 } | |
| 78 | |
| 79 void SkSVGGradient::write(SkSVGParser& parser, SkString& baseColor) { | |
| 80 if (baseColor.c_str()[0] != '#') | |
| 81 return; | |
| 82 SkSVGPaint* saveHead = parser.fHead; | |
| 83 parser.fHead = &fPaintState; | |
| 84 parser.fSuppressPaint = true; | |
| 85 SkString originalID(f_id); | |
| 86 f_id.set("mask"); // write out gradient named given name + color (less initial #) | |
| 87 f_id.append(baseColor.c_str() + 1); | |
| 88 SkString originalColors; | |
| 89 for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) { | |
| 90 SkSVGStop* colorElement = (SkSVGStop*) *ptr; | |
| 91 SkString& color = colorElement->fPaintState.f_stopColor; | |
| 92 originalColors.append(color); | |
| 93 originalColors.appendUnichar(','); | |
| 94 SkASSERT(color.c_str()[0] == '#'); | |
| 95 SkString replacement; | |
| 96 replacement.set("0x"); | |
| 97 replacement.append(color.c_str() + 1, 2); // add stop colors using given color, turning existing stop color into alpha | |
| 98 SkASSERT(baseColor.c_str()[0] == '#'); | |
| 99 SkASSERT(baseColor.size() == 7); | |
| 100 replacement.append(baseColor.c_str() + 1); | |
| 101 color.set(replacement); | |
| 102 } | |
| 103 translate(parser, true); | |
| 104 const char* originalPtr = originalColors.c_str(); // restore original gradient values | |
| 105 for (SkSVGElement** ptr = fChildren.begin(); ptr < fChildren.end(); ptr++) { | |
| 106 SkSVGStop* color = (SkSVGStop*) *ptr; | |
| 107 const char* originalEnd = strchr(originalPtr, ','); | |
| 108 color->fPaintState.f_stopColor.set(originalPtr, originalEnd - originalPtr); | |
| 109 originalPtr = originalEnd + 1; | |
| 110 } | |
| 111 f_id.set(originalID); | |
| 112 parser.fSuppressPaint = false; | |
| 113 parser.fHead = saveHead; | |
| 114 } |
