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1 /* libs/graphics/svg/SkSVGSVG.cpp | |
2 ** | |
3 ** Copyright 2006, The Android Open Source Project | |
4 ** | |
5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
6 ** you may not use this file except in compliance with the License. | |
7 ** You may obtain a copy of the License at | |
8 ** | |
9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
10 ** | |
11 ** Unless required by applicable law or agreed to in writing, software | |
12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 ** See the License for the specific language governing permissions and | |
15 ** limitations under the License. | |
16 */ | |
17 | |
18 #include "SkSVGSVG.h" | |
19 #include "SkParse.h" | |
20 #include "SkRect.h" | |
21 #include "SkSVGParser.h" | |
22 | |
23 const SkSVGAttribute SkSVGSVG::gAttributes[] = { | |
24 SVG_LITERAL_ATTRIBUTE(enable-background, f_enable_background), | |
25 SVG_ATTRIBUTE(height), | |
26 SVG_ATTRIBUTE(overflow), | |
27 SVG_ATTRIBUTE(width), | |
28 SVG_ATTRIBUTE(version), | |
29 SVG_ATTRIBUTE(viewBox), | |
30 SVG_LITERAL_ATTRIBUTE(xml:space, f_xml_space), | |
31 SVG_ATTRIBUTE(xmlns), | |
32 SVG_LITERAL_ATTRIBUTE(xmlns:xlink, f_xml_xlink) | |
33 }; | |
34 | |
35 DEFINE_SVG_INFO(SVG) | |
36 | |
37 | |
38 bool SkSVGSVG::isFlushable() { | |
39 return false; | |
40 } | |
41 | |
42 void SkSVGSVG::translate(SkSVGParser& parser, bool defState) { | |
43 SkScalar height, width; | |
44 SkScalar viewBox[4]; | |
45 const char* hSuffix = SkParse::FindScalar(f_height.c_str(), &height); | |
46 if (strcmp(hSuffix, "pt") == 0) | |
47 height = SkScalarMulDiv(height, SK_Scalar1 * 72, SK_Scalar1 * 96); | |
48 const char* wSuffix = SkParse::FindScalar(f_width.c_str(), &width); | |
49 if (strcmp(wSuffix, "pt") == 0) | |
50 width = SkScalarMulDiv(width, SK_Scalar1 * 72, SK_Scalar1 * 96); | |
51 SkParse::FindScalars(f_viewBox.c_str(), viewBox, 4); | |
52 SkRect box; | |
53 box.fLeft = SkScalarDiv(viewBox[0], width); | |
54 box.fTop = SkScalarDiv(viewBox[1], height); | |
55 box.fRight = SkScalarDiv(viewBox[2], width); | |
56 box.fBottom = SkScalarDiv(viewBox[3], height); | |
57 if (box.fLeft == 0 && box.fTop == 0 && | |
58 box.fRight == SK_Scalar1 && box.fBottom == SK_Scalar1) | |
59 return; | |
60 parser._startElement("matrix"); | |
61 if (box.fLeft != 0) { | |
62 SkString x; | |
63 x.appendScalar(box.fLeft); | |
64 parser._addAttributeLen("translateX", x.c_str(), x.size()); | |
65 } | |
66 if (box.fTop != 0) { | |
67 SkString y; | |
68 y.appendScalar(box.fTop); | |
69 parser._addAttributeLen("translateY", y.c_str(), y.size()); | |
70 } | |
71 if (box.fRight != SK_Scalar1) { | |
72 SkString x; | |
73 x.appendScalar(box.fRight); | |
74 parser._addAttributeLen("scaleX", x.c_str(), x.size()); | |
75 } | |
76 if (box.fBottom != SK_Scalar1) { | |
77 SkString y; | |
78 y.appendScalar(box.fBottom); | |
79 parser._addAttributeLen("scaleY", y.c_str(), y.size()); | |
80 } | |
81 parser._endElement(); | |
82 } | |
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