1
2 /*
3 * Copyright 2006 The Android Open Source Project
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
9
10 #include "SkSVGSVG.h"
11 #include "SkParse.h"
12 #include "SkRect.h"
13 #include "SkSVGParser.h"
14
15 const SkSVGAttribute SkSVGSVG::gAttributes[] = {
16 SVG_LITERAL_ATTRIBUTE(enable-background, f_enable_background),
17 SVG_ATTRIBUTE(height),
18 SVG_ATTRIBUTE(overflow),
19 SVG_ATTRIBUTE(width),
20 SVG_ATTRIBUTE(version),
21 SVG_ATTRIBUTE(viewBox),
22 SVG_ATTRIBUTE(x),
23 SVG_LITERAL_ATTRIBUTE(xml:space, f_xml_space),
24 SVG_ATTRIBUTE(xmlns),
25 SVG_LITERAL_ATTRIBUTE(xmlns:xlink, f_xml_xlink),
26 SVG_ATTRIBUTE(y),
27 };
28
DEFINE_SVG_INFO(SVG)29 DEFINE_SVG_INFO(SVG)
30
31
32 bool SkSVGSVG::isFlushable() {
33 return false;
34 }
35
translate(SkSVGParser & parser,bool defState)36 void SkSVGSVG::translate(SkSVGParser& parser, bool defState) {
37 SkScalar height, width;
38 SkScalar viewBox[4];
39 const char* hSuffix = SkParse::FindScalar(f_height.c_str(), &height);
40 if (strcmp(hSuffix, "pt") == 0)
41 height = SkScalarMulDiv(height, SK_Scalar1 * 72, SK_Scalar1 * 96);
42 const char* wSuffix = SkParse::FindScalar(f_width.c_str(), &width);
43 if (strcmp(wSuffix, "pt") == 0)
44 width = SkScalarMulDiv(width, SK_Scalar1 * 72, SK_Scalar1 * 96);
45 SkParse::FindScalars(f_viewBox.c_str(), viewBox, 4);
46 SkRect box;
47 box.fLeft = SkScalarDiv(viewBox[0], width);
48 box.fTop = SkScalarDiv(viewBox[1], height);
49 box.fRight = SkScalarDiv(viewBox[2], width);
50 box.fBottom = SkScalarDiv(viewBox[3], height);
51 if (box.fLeft == 0 && box.fTop == 0 &&
52 box.fRight == SK_Scalar1 && box.fBottom == SK_Scalar1)
53 return;
54 parser._startElement("matrix");
55 if (box.fLeft != 0) {
56 SkString x;
57 x.appendScalar(box.fLeft);
58 parser._addAttributeLen("translateX", x.c_str(), x.size());
59 }
60 if (box.fTop != 0) {
61 SkString y;
62 y.appendScalar(box.fTop);
63 parser._addAttributeLen("translateY", y.c_str(), y.size());
64 }
65 if (box.fRight != SK_Scalar1) {
66 SkString x;
67 x.appendScalar(box.fRight);
68 parser._addAttributeLen("scaleX", x.c_str(), x.size());
69 }
70 if (box.fBottom != SK_Scalar1) {
71 SkString y;
72 y.appendScalar(box.fBottom);
73 parser._addAttributeLen("scaleY", y.c_str(), y.size());
74 }
75 parser._endElement();
76 }
77