Home | History | Annotate | Download | only in parser
      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 
     29 DEFINE_SVG_INFO(SVG)
     30 
     31 
     32 bool SkSVGSVG::isFlushable() {
     33     return false;
     34 }
     35 
     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 = SkRect::MakeLTRB(viewBox[0] / width, viewBox[1] / height,
     47                                   viewBox[2] / width, viewBox[3] / height);
     48     if (box.fLeft == 0 && box.fTop == 0 &&
     49         box.fRight == SK_Scalar1 && box.fBottom == SK_Scalar1)
     50             return;
     51     parser._startElement("matrix");
     52     if (box.fLeft != 0) {
     53         SkString x;
     54         x.appendScalar(box.fLeft);
     55         parser._addAttributeLen("translateX", x.c_str(), x.size());
     56     }
     57     if (box.fTop != 0) {
     58         SkString y;
     59         y.appendScalar(box.fTop);
     60         parser._addAttributeLen("translateY", y.c_str(), y.size());
     61     }
     62     if (box.fRight != SK_Scalar1) {
     63         SkString x;
     64         x.appendScalar(box.fRight);
     65         parser._addAttributeLen("scaleX", x.c_str(), x.size());
     66     }
     67     if (box.fBottom != SK_Scalar1) {
     68         SkString y;
     69         y.appendScalar(box.fBottom);
     70         parser._addAttributeLen("scaleY", y.c_str(), y.size());
     71     }
     72     parser._endElement();
     73 }
     74