mirror of
https://github.com/ultimatepp/ultimatepp.git
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296 lines
8.5 KiB
C++
296 lines
8.5 KiB
C++
#include "SvgDraw.h"
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#include <CtrlLib/CtrlLib.h> //TODO: remove
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#include <Web/Web.h>
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NAMESPACE_UPP
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void SvgDraw::Init(int xPixels, int yPixels)
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{
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_nextId = 1;
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_svgNode.CreateTag("svg");
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_svgNode.SetAttr("xmlns", "http://www.w3.org/2000/svg");
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_svgNode.SetAttr("xmlns:xlink", "http://www.w3.org/1999/xlink");
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_svgNode.SetAttr("width", xPixels);
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_svgNode.SetAttr("height", yPixels);
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_svgNode.SetAttr("viewBox", String().Cat() << "0 0 " << xPixels << " " << yPixels);
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_defsNode = &_svgNode.Add("defs");
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_currentParentNode = &_svgNode;
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}
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String SvgDraw::Finish()
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{
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return XmlHeader() +
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XmlDocType("svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\"") +
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AsXML(_svgNode, 0);
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}
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void SvgDraw::BeginOp()
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{
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_parentNodes.Add(_currentParentNode);
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XmlNode &_newParentNode = _currentParentNode->Add("g");
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_currentParentNode = &_newParentNode;
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////_offsetStack.Add(actual_offset);
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}
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void SvgDraw::EndOp()
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{
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ASSERT(_parentNodes.GetCount() > 0);
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////ASSERT(_offsetStack.GetCount() > 0);
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_currentParentNode = _parentNodes.Top();
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_parentNodes.Drop();
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////actual_offset = _offsetStack.Top();
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////_offsetStack.Drop();
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}
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void SvgDraw::OffsetOp(Point p)
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{
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Begin();
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_currentParentNode->SetAttr("transform", String().Cat() << "translate(" << p.x << ", " << p.y << ")");
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////actual_offset += p;
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}
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bool SvgDraw::ClipOp(const Rect& r)
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{
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Begin();
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XmlNode &clipPath = _defsNode->Add("clipPath");
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XmlNode &path = clipPath.Add("path");
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String pathD;
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pathD << "M" << r.left << " " << r.top;
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pathD << " h" << r.Width() << " v" << r.Height() << " h-" << r.Width() << " Z";
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String id = GetNextId();
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path.SetAttr("d", pathD);
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clipPath.SetAttr("id", id);
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_currentParentNode->SetAttr("clip-path", String().Cat() << "url(#" << id << ")");
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return false; // todo:
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}
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bool SvgDraw::ClipoffOp(const Rect& r)
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{
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Begin();
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XmlNode &clipPath = _defsNode->Add("clipPath");
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XmlNode &path = clipPath.Add("path");
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String pathD;
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pathD << "M0 0";
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pathD << " h" << r.Width() << " v" << r.Height() << " h-" << r.Width() << " Z";
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String id = GetNextId();
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path.SetAttr("d", pathD);
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clipPath.SetAttr("id", id);
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_currentParentNode->SetAttr("transform", String().Cat() << "translate(" << r.left << ", " << r.top << ")");
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////actual_offset += r.TopLeft();
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_currentParentNode->SetAttr("clip-path", String().Cat() << "url(#" << id << ")");
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return false; // todo:
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}
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bool SvgDraw::ExcludeClipOp(const Rect& r)
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{
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//todo:
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PromptOK(String().Cat() << "ExcludeClipOp(" << r << ") not implemented");
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return false;
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}
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bool SvgDraw::IntersectClipOp(const Rect& r)
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{
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//todo:
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PromptOK(String().Cat() << "IntersectClipOp(" << r << ") not implemented");
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return false;
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}
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Rect SvgDraw::GetClipOp() const
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{
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//todo:
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PromptOK("GetClipOp() not implemented");
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return RectC(0, 0, 100, 100);
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}
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bool SvgDraw::IsPaintingOp(const Rect& r) const
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{
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//todo:
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PromptOK(String().Cat() << "IsPaintingOp(" << r << ") not implemented");
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return false;
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}
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void SvgDraw::DrawRectOp(int x, int y, int cx, int cy, Color color)
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{
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StringBuffer style;
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style << "stroke:none;";
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style << "fill:rgb(" << color.GetR() << ',' << color.GetG() << ',' << color.GetB() << ");";
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XmlNode &rect = _currentParentNode->Add("rect");
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rect.SetAttr("x", x);
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rect.SetAttr("y", y);
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rect.SetAttr("width", cx);
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rect.SetAttr("height", cy);
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rect.SetAttr("style", style);
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}
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void SvgDraw::DrawImageOp(int x, int y, int cx, int cy, const Image& img, const Rect& src, Color color)
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{
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//TODO: src, color
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PNGEncoder pngEncoder;
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String pngString = pngEncoder.SaveString(img);
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String dataUri = "data:image/png;base64," + Base64Encode(pngString);
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XmlNode &image = _currentParentNode->Add("image");
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image.SetAttr("x", x);
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image.SetAttr("y", y);
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image.SetAttr("width", cx);
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image.SetAttr("height", cy);
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image.SetAttr("xlink:href", dataUri);
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}
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void SvgDraw::DrawLineOp(int x1, int y1, int x2, int y2, int width, Color color)
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{
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//TODO: Why is the standard width = 0 ?!?
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StringBuffer style;
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style << "stroke:rgb(" << color.GetR() << ',' << color.GetG() << ',' << color.GetB() << ");";
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style << "stroke-width:" << width << ';';
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style << "stroke-linecap:round;";
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XmlNode &line = _currentParentNode->Add("line");
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line.SetAttr("x1", x1);
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line.SetAttr("y1", y1);
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line.SetAttr("x2", x2);
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line.SetAttr("y2", y2);
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line.SetAttr("style", style);
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}
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void SvgDraw::DrawPolyPolylineOp(const Point *vertices, int vertex_count,
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const int *counts, int count_count,
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int width, Color color, Color doxor)
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{
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//todo: doxor
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StringBuffer style;
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style << "stroke:rgb(" << color.GetR() << ',' << color.GetG() << ',' << color.GetB() << ");";
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style << "stroke-width:" << width << ';';
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style << "stroke-linecap:round;stroke-linejoin:round;";
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style << "fill:none;";
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for (int i = 0; i < count_count; i++)
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{
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XmlNode &polyline = _currentParentNode->Add("polyline");
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StringBuffer points;
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for (int j = 0; j < counts[i]; j++, vertices++)
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points << vertices->x << ' ' << vertices->y << ' ';
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polyline.SetAttr("points", points);
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polyline.SetAttr("style", style);
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}
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}
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void SvgDraw::DrawPolyPolyPolygonOp(const Point *vertices, int vertex_count,
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const int *subpolygon_counts, int scc,
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const int *disjunct_polygon_counts, int dpcc,
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Color color, int width, Color outline,
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uint64 pattern, Color doxor)
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{
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//todo: disjunct polygons, dpcc, pattern, doxor
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bool fill = !IsNull(color);
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bool stroke = !IsNull(outline) && !IsNull(width);
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if (!fill && !stroke) return;
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StringBuffer style;
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if (fill)
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style << "fill:rgb(" << color.GetR() << ',' << color.GetG() << ',' << color.GetB() << ");";
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if (stroke)
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style << "stroke:rgb(" << outline.GetR() << ',' << outline.GetG() << ',' << outline.GetB() << ");";
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if (stroke)
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style << "stroke-width:" << width << ';';
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for (int i = 0; i < scc; i++)
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{
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XmlNode &polygon = _currentParentNode->Add("polygon");
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StringBuffer points;
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for (int j = 0; j < subpolygon_counts[i]; j++, vertices++)
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points << vertices->x << ' ' << vertices->y << ' ';
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polygon.SetAttr("points", points);
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polygon.SetAttr("style", style);
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}
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}
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void SvgDraw::DrawEllipseOp(const Rect& r, Color color, int pen, Color pencolor)
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{
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//TODO: why is the pen default Null and not 0 or 1?
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if (pen == (int)Null)
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pen = 0;
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StringBuffer style;
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style << "stroke:rgb(" << pencolor.GetR() << ',' << pencolor.GetG() << ',' << pencolor.GetB() << ");";
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style << "stroke-width:" << pen << ';';
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style << "fill:rgb(" << color.GetR() << ',' << color.GetG() << ',' << color.GetB() << ");";
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XmlNode &ellipse = _currentParentNode->Add("ellipse");
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ellipse.SetAttr("cx", r.left + r.GetWidth() / 2);
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ellipse.SetAttr("cy", r.top + r.GetHeight() / 2);
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ellipse.SetAttr("rx", r.GetWidth() / 2);
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ellipse.SetAttr("ry", r.GetHeight() / 2);
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ellipse.SetAttr("style", style);
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}
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void SvgDraw::DrawArcOp(const Rect& rc, Point start, Point end, int width, Color color)
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{
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PromptOK("DrawArcOp not implemented");
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}
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void SvgDraw::DrawTextOp(int x, int y, int angle, const wchar *text, Font font,
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Color ink, int n, const int *dx)
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{
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//TODO: angle
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StringBuffer style;
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style << "stroke:none;";
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style << "fill:rgb(" << ink.GetR() << ',' << ink.GetG() << ',' << ink.GetB() << ");";
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style << "font-size:" << font.GetHeight() << "px;";
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style << "font-family:" << Font::GetFaceName(font.GetFace()) << ";";
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if (font.IsBold())
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style << "font-weight:bold;";
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if (font.IsItalic())
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style << "font-style:italic;";
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if (font.IsUnderline() && font.IsStrikeout())
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style << "text-decoration:underline line-through;";
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else if (font.IsUnderline())
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style << "text-decoration:underline;";
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else if (font.IsStrikeout())
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style << "text-decoration:line-through;";
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String xAttr;
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xAttr << x;
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if (dx != NULL)
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{
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int tempX = x;
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for (int i = 0; i < n; i++)
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{
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tempX += dx[i];
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xAttr << " " << tempX;
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}
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}
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XmlNode &textNode = _currentParentNode->Add("text");
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textNode.SetAttr("x", xAttr);
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textNode.SetAttr("y", y + font.GetHeight());
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textNode.SetAttr("style", style);
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textNode.AddText(WString(text).ToString());
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}
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String SvgDraw::GetNextId()
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{
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return String().Cat() << "id" << _nextId++;
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}
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END_UPP_NAMESPACE
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