|
1 |
|
2 /* |
|
3 * Copyright 2011 Google Inc. |
|
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 #include "SkParsePaint.h" |
|
9 #include "SkTSearch.h" |
|
10 #include "SkParse.h" |
|
11 #include "SkImageDecoder.h" |
|
12 #include "SkGradientShader.h" |
|
13 |
|
14 static SkShader* inflate_shader(const SkDOM& dom, const SkDOM::Node* node) |
|
15 { |
|
16 if ((node = dom.getFirstChild(node, "shader")) == NULL) |
|
17 return NULL; |
|
18 |
|
19 const char* str; |
|
20 |
|
21 if (dom.hasAttr(node, "type", "linear-gradient")) |
|
22 { |
|
23 SkColor colors[2]; |
|
24 SkPoint pts[2]; |
|
25 |
|
26 colors[0] = colors[1] = SK_ColorBLACK; // need to initialized the alpha to opaque, since FindColor doesn't set it |
|
27 if ((str = dom.findAttr(node, "c0")) != NULL && |
|
28 SkParse::FindColor(str, &colors[0]) && |
|
29 (str = dom.findAttr(node, "c1")) != NULL && |
|
30 SkParse::FindColor(str, &colors[1]) && |
|
31 dom.findScalars(node, "p0", &pts[0].fX, 2) && |
|
32 dom.findScalars(node, "p1", &pts[1].fX, 2)) |
|
33 { |
|
34 SkShader::TileMode mode = SkShader::kClamp_TileMode; |
|
35 int index; |
|
36 |
|
37 if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0) |
|
38 mode = (SkShader::TileMode)index; |
|
39 return SkGradientShader::CreateLinear(pts, colors, NULL, 2, mode); |
|
40 } |
|
41 } |
|
42 else if (dom.hasAttr(node, "type", "bitmap")) |
|
43 { |
|
44 if ((str = dom.findAttr(node, "src")) == NULL) |
|
45 return NULL; |
|
46 |
|
47 SkBitmap bm; |
|
48 |
|
49 if (SkImageDecoder::DecodeFile(str, &bm)) |
|
50 { |
|
51 SkShader::TileMode mode = SkShader::kRepeat_TileMode; |
|
52 int index; |
|
53 |
|
54 if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0) |
|
55 mode = (SkShader::TileMode)index; |
|
56 |
|
57 return SkShader::CreateBitmapShader(bm, mode, mode); |
|
58 } |
|
59 } |
|
60 return NULL; |
|
61 } |
|
62 |
|
63 void SkPaint_Inflate(SkPaint* paint, const SkDOM& dom, const SkDOM::Node* node) |
|
64 { |
|
65 SkASSERT(paint); |
|
66 SkASSERT(&dom); |
|
67 SkASSERT(node); |
|
68 |
|
69 SkScalar x; |
|
70 |
|
71 if (dom.findScalar(node, "stroke-width", &x)) |
|
72 paint->setStrokeWidth(x); |
|
73 if (dom.findScalar(node, "text-size", &x)) |
|
74 paint->setTextSize(x); |
|
75 |
|
76 bool b; |
|
77 |
|
78 SkASSERT("legacy: use is-stroke" && !dom.findBool(node, "is-frame", &b)); |
|
79 |
|
80 if (dom.findBool(node, "is-stroke", &b)) |
|
81 paint->setStyle(b ? SkPaint::kStroke_Style : SkPaint::kFill_Style); |
|
82 if (dom.findBool(node, "is-antialias", &b)) |
|
83 paint->setAntiAlias(b); |
|
84 if (dom.findBool(node, "is-lineartext", &b)) |
|
85 paint->setLinearText(b); |
|
86 |
|
87 const char* str = dom.findAttr(node, "color"); |
|
88 if (str) |
|
89 { |
|
90 SkColor c = paint->getColor(); |
|
91 if (SkParse::FindColor(str, &c)) |
|
92 paint->setColor(c); |
|
93 } |
|
94 |
|
95 // do this AFTER parsing for the color |
|
96 if (dom.findScalar(node, "opacity", &x)) |
|
97 { |
|
98 x = SkMaxScalar(0, SkMinScalar(x, SK_Scalar1)); |
|
99 paint->setAlpha(SkScalarRoundToInt(x * 255)); |
|
100 } |
|
101 |
|
102 int index = dom.findList(node, "text-anchor", "left,center,right"); |
|
103 if (index >= 0) |
|
104 paint->setTextAlign((SkPaint::Align)index); |
|
105 |
|
106 SkShader* shader = inflate_shader(dom, node); |
|
107 if (shader) |
|
108 paint->setShader(shader)->unref(); |
|
109 } |