1 #include "SkParsePaint.h"
2 #include "SkTSearch.h"
3 #include "SkParse.h"
4 #include "SkImageDecoder.h"
5 #include "SkGradientShader.h"
6
inflate_shader(const SkDOM & dom,const SkDOM::Node * node)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
SkPaint_Inflate(SkPaint * paint,const SkDOM & dom,const SkDOM::Node * node)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