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 23const 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 35DEFINE_SVG_INFO(SVG) 36 37 38bool SkSVGSVG::isFlushable() { 39 return false; 40} 41 42void 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} 83