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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")) == nullptr) | |
17 return nullptr; | |
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 alp
ha to opaque, since FindColor doesn't set it | |
27 if ((str = dom.findAttr(node, "c0")) != nullptr && | |
28 SkParse::FindColor(str, &colors[0]) && | |
29 (str = dom.findAttr(node, "c1")) != nullptr && | |
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, nullptr, 2, mode)
; | |
40 } | |
41 } | |
42 else if (dom.hasAttr(node, "type", "bitmap")) | |
43 { | |
44 if ((str = dom.findAttr(node, "src")) == nullptr) | |
45 return nullptr; | |
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 nullptr; | |
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 } | |
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