1 #include "SkParsePaint.h" 2 #include "SkTSearch.h" 3 #include "SkParse.h" 4 #include "SkImageDecoder.h" 5 #include "SkGradientShader.h" 6 7 static SkShader* inflate_shader(const SkDOM& dom, const SkDOM::Node* node) 8 { 9 if ((node = dom.getFirstChild(node, "shader")) == NULL) 10 return NULL; 11 12 const char* str; 13 14 if (dom.hasAttr(node, "type", "linear-gradient")) 15 { 16 SkColor colors[2]; 17 SkPoint pts[2]; 18 19 colors[0] = colors[1] = SK_ColorBLACK; // need to initialized the alpha to opaque, since FindColor doesn't set it 20 if ((str = dom.findAttr(node, "c0")) != NULL && 21 SkParse::FindColor(str, &colors[0]) && 22 (str = dom.findAttr(node, "c1")) != NULL && 23 SkParse::FindColor(str, &colors[1]) && 24 dom.findScalars(node, "p0", &pts[0].fX, 2) && 25 dom.findScalars(node, "p1", &pts[1].fX, 2)) 26 { 27 SkShader::TileMode mode = SkShader::kClamp_TileMode; 28 int index; 29 30 if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0) 31 mode = (SkShader::TileMode)index; 32 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, mode); 33 } 34 } 35 else if (dom.hasAttr(node, "type", "bitmap")) 36 { 37 if ((str = dom.findAttr(node, "src")) == NULL) 38 return NULL; 39 40 SkBitmap bm; 41 42 if (SkImageDecoder::DecodeFile(str, &bm)) 43 { 44 SkShader::TileMode mode = SkShader::kRepeat_TileMode; 45 int index; 46 47 if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0) 48 mode = (SkShader::TileMode)index; 49 50 return SkShader::CreateBitmapShader(bm, mode, mode); 51 } 52 } 53 return NULL; 54 } 55 56 void SkPaint_Inflate(SkPaint* paint, const SkDOM& dom, const SkDOM::Node* node) 57 { 58 SkASSERT(paint); 59 SkASSERT(&dom); 60 SkASSERT(node); 61 62 SkScalar x; 63 64 if (dom.findScalar(node, "stroke-width", &x)) 65 paint->setStrokeWidth(x); 66 if (dom.findScalar(node, "text-size", &x)) 67 paint->setTextSize(x); 68 69 bool b; 70 71 SkASSERT("legacy: use is-stroke" && !dom.findBool(node, "is-frame", &b)); 72 73 if (dom.findBool(node, "is-stroke", &b)) 74 paint->setStyle(b ? SkPaint::kStroke_Style : SkPaint::kFill_Style); 75 if (dom.findBool(node, "is-antialias", &b)) 76 paint->setAntiAlias(b); 77 if (dom.findBool(node, "is-lineartext", &b)) 78 paint->setLinearText(b); 79 80 const char* str = dom.findAttr(node, "color"); 81 if (str) 82 { 83 SkColor c = paint->getColor(); 84 if (SkParse::FindColor(str, &c)) 85 paint->setColor(c); 86 } 87 88 // do this AFTER parsing for the color 89 if (dom.findScalar(node, "opacity", &x)) 90 { 91 x = SkMaxScalar(0, SkMinScalar(x, SK_Scalar1)); 92 paint->setAlpha(SkScalarRound(x * 255)); 93 } 94 95 int index = dom.findList(node, "text-anchor", "left,center,right"); 96 if (index >= 0) 97 paint->setTextAlign((SkPaint::Align)index); 98 99 SkShader* shader = inflate_shader(dom, node); 100 if (shader) 101 paint->setShader(shader)->unref(); 102 } 103 104
