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 "SkDrawBitmap.h" 11 #include "SkAnimateMaker.h" 12 #include "SkCanvas.h" 13 #include "SkImageDecoder.h" 14 #include "SkPaint.h" 15 #include "SkStream.h" 16 17 #if SK_USE_CONDENSED_INFO == 0 18 19 const SkMemberInfo SkBaseBitmap::fInfo[] = { 20 SK_MEMBER(x, Float), 21 SK_MEMBER(y, Float) 22 }; 23 24 #endif 25 26 DEFINE_GET_MEMBER(SkBaseBitmap); 27 28 SkBaseBitmap::SkBaseBitmap() : x(0), y(0) { 29 } 30 31 SkBaseBitmap::~SkBaseBitmap() { 32 } 33 34 bool SkBaseBitmap::draw(SkAnimateMaker& maker) { 35 SkBoundableAuto boundable(this, maker); 36 maker.fCanvas->drawBitmap(fBitmap, x, y, maker.fPaint); 37 return false; 38 } 39 40 enum SkDrawBitmap_Properties { 41 SK_PROPERTY(erase) 42 }; 43 44 #if SK_USE_CONDENSED_INFO == 0 45 46 const SkMemberInfo SkDrawBitmap::fInfo[] = { 47 SK_MEMBER_INHERITED, 48 SK_MEMBER_PROPERTY(erase, ARGB), 49 SK_MEMBER(format, BitmapFormat), 50 SK_MEMBER(height, Int), 51 SK_MEMBER(rowBytes, Int), 52 SK_MEMBER(width, Int), 53 }; 54 55 #endif 56 57 DEFINE_GET_MEMBER(SkDrawBitmap); 58 59 SkDrawBitmap::SkDrawBitmap() : format((SkColorType) -1), height(-1), 60 rowBytes(0), width(-1), fColor(0), fColorSet(false) { 61 } 62 63 SkDrawBitmap::~SkDrawBitmap() { 64 } 65 66 #ifdef SK_DUMP_ENABLED 67 void SkDrawBitmap::dump(SkAnimateMaker* maker) { 68 dumpBase(maker); 69 dumpAttrs(maker); 70 if (fColorSet) 71 SkDebugf("erase=\"argb(%d,%d,%d,%d)\" ", SkColorGetA(fColor)/255, SkColorGetR(fColor), 72 SkColorGetG(fColor), SkColorGetB(fColor)); 73 if (rowBytes > 0) 74 SkDebugf("rowBytes=\"%d\" ", rowBytes); 75 const char* formatName; 76 switch (format) { 77 case 0: formatName = "none"; break; 78 case 1: formatName = "A8"; break; 79 case 2: formatName = "Index8"; break; 80 case 3: formatName = "RGB16"; break; 81 case 4: formatName = "RGB32"; break; 82 } 83 SkDebugf("format=\"%s\" />\n", formatName); 84 } 85 #endif 86 87 void SkDrawBitmap::onEndElement(SkAnimateMaker&) { 88 SkASSERT(width != -1); 89 SkASSERT(height != -1); 90 SkASSERT(rowBytes >= 0); 91 SkColorType colorType = SkColorType(format); 92 fBitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType), rowBytes); 93 fBitmap.allocPixels(); 94 if (fColorSet) 95 fBitmap.eraseColor(fColor); 96 } 97 98 bool SkDrawBitmap::setProperty(int index, SkScriptValue& value) 99 { 100 switch (index) { 101 case SK_PROPERTY(erase): 102 SkASSERT(value.fType == SkType_ARGB); 103 fColor = value.fOperand.fS32; 104 fColorSet = true; 105 break; 106 default: 107 SkASSERT(0); 108 return false; 109 } 110 return true; 111 } 112 113 114 enum SkImageBaseBitmap_Properties { 115 SK_PROPERTY(height), 116 SK_PROPERTY(width) 117 }; 118 119 #if SK_USE_CONDENSED_INFO == 0 120 121 const SkMemberInfo SkImageBaseBitmap::fInfo[] = { 122 SK_MEMBER_INHERITED, 123 SK_MEMBER(base64, Base64), 124 SK_MEMBER_PROPERTY(height, Int), 125 SK_MEMBER(src, String), 126 SK_MEMBER_PROPERTY(width, Int) 127 }; 128 129 #endif 130 131 DEFINE_GET_MEMBER(SkImageBaseBitmap); 132 133 SkImageBaseBitmap::SkImageBaseBitmap() : fDirty(true), fUriBase(NULL) { 134 base64.fData = NULL; 135 base64.fLength = 0; 136 } 137 138 SkImageBaseBitmap::~SkImageBaseBitmap() { 139 delete[] base64.fData; 140 } 141 142 SkDisplayable* SkImageBaseBitmap::deepCopy(SkAnimateMaker* maker) { 143 SkDisplayable* copy = INHERITED::deepCopy(maker); 144 ((SkImageBaseBitmap*) copy)->fUriBase = ((SkImageBaseBitmap*) this)->fUriBase; 145 return copy; 146 } 147 148 void SkImageBaseBitmap::dirty() { 149 fDirty = true; 150 } 151 152 bool SkImageBaseBitmap::draw(SkAnimateMaker& maker) { 153 if (fDirty) 154 resolve(); 155 return INHERITED::draw(maker); 156 } 157 158 bool SkImageBaseBitmap::getProperty(int index, SkScriptValue* value) const { 159 if (fDirty) 160 resolve(); 161 switch (index) { 162 case SK_PROPERTY(height): 163 value->fOperand.fS32 = fBitmap.height(); 164 break; 165 case SK_PROPERTY(width): 166 value->fOperand.fS32 = fBitmap.width(); 167 break; 168 default: 169 SkASSERT(0); 170 return false; 171 } 172 value->fType = SkType_Int; 173 return true; 174 } 175 176 void SkImageBaseBitmap::onEndElement(SkAnimateMaker& maker) { 177 fUriBase = maker.fPrefix.c_str(); 178 } 179 180 void SkImageBaseBitmap::resolve() { 181 fDirty = false; 182 if (base64.fData) { 183 fBitmap.reset(); 184 SkImageDecoder::DecodeMemory(base64.fData, base64.fLength, &fBitmap); 185 } else if (src.size()) { 186 if (fLast.equals(src)) 187 return; 188 fLast.set(src); 189 fBitmap.reset(); 190 191 //SkStream* stream = SkStream::GetURIStream(fUriBase, src.c_str()); 192 SkAutoTUnref<SkStreamAsset> stream(SkStream::NewFromFile(src.c_str())); 193 if (stream.get()) { 194 SkImageDecoder::DecodeStream(stream, &fBitmap); 195 } 196 } 197 } 198
