m_objects.data_indices.push_back(m_objects.data_indices[object_id]);
return 1;
}
- case GROUP:
- break;
+ case BEZIER:
+ {
+ Rect child_node_bounds = TransformFromQuadChild({0,0,1,1}, type);
+ std::vector<Bezier> new_curves = m_objects.beziers[m_objects.data_indices[object_id]].ClipToRectangle(child_node_bounds);
+ Rect obj_bounds = TransformToQuadChild(m_objects.bounds[object_id], type);
+ for (size_t i = 0; i < new_curves.size(); ++i)
+ {
+ unsigned index = AddBezierData(new_curves[i]);
+ m_objects.bounds.push_back(obj_bounds);
+ m_objects.types.push_back(BEZIER);
+ m_objects.data_indices.push_back(index);
+ }
+ return new_curves.size();
+ }
default:
Debug("Adding %s -> %s", m_objects.bounds[object_id].Str().c_str(), TransformToQuadChild(m_objects.bounds[object_id], type).Str().c_str());
m_objects.bounds.push_back(TransformToQuadChild(m_objects.bounds[object_id], type));
#endif
}
-unsigned Document::AddGroup(unsigned start_index, unsigned end_index)
+unsigned Document::AddGroup(unsigned start_index, unsigned end_index, const Colour & shading)
{
Real xmin = 0; Real ymin = 0;
Real xmax = 0; Real ymax = 0;
}
Rect bounds(xmin,ymin, xmax-xmin, ymax-ymin);
- unsigned result = Add(GROUP, bounds,0);
- m_objects.groups[m_count-1].first = start_index;
- m_objects.groups[m_count-1].second = end_index;
+
+ Group group = {start_index, end_index, shading};
+
+ unsigned data_index = AddGroupData(group);
+ unsigned result = Add(GROUP, bounds,data_index);
return result;
}
m_objects.types.push_back(type);
m_objects.bounds.push_back(bounds);
m_objects.data_indices.push_back(data_index);
- m_objects.groups.push_back(pair<unsigned, unsigned>(data_index, data_index));
return (m_count++); // Why can't we just use the size of types or something?
}
return m_objects.beziers.size()-1;
}
+unsigned Document::AddGroupData(const Group & group)
+{
+ m_objects.groups.push_back(group);
+ return m_objects.groups.size()-1;
+}
void Document::DebugDumpObjects()
{
y = strtod(GetToken(d, token, i, delims).c_str(),NULL);
}
+static bool GetKeyValuePair(const string & d, string & key, string & value, unsigned & i, const string & delims = "()[],{}<>;:=")
+{
+ key = "";
+ string token;
+ while (GetToken(d, token, i, delims) == ":" || token == ";");
+ key = token;
+ if (GetToken(d, token, i, delims) != ":")
+ {
+ Error("Expected \":\" seperating key:value pair");
+ return false;
+ }
+ value = "";
+ GetToken(d, value, i, delims);
+ return true;
+}
+
static void TransformXYPair(Real & x, Real & y, const SVGMatrix & transform)
{
Real x0(x);
ParseSVGTransform(attrib_trans.as_string(), transform);
}
+
+
if (strcmp(child.name(), "svg") == 0 || strcmp(child.name(),"g") == 0
|| strcmp(child.name(), "group") == 0)
{
else if (strcmp(child.name(), "path") == 0)
{
string d = child.attribute("d").as_string();
- Debug("Path data attribute is \"%s\"", d.c_str());
- pair<unsigned, unsigned> range = ParseSVGPathData(d, transform);
- AddGroup(range.first, range.second);
+ //Debug("Path data attribute is \"%s\"", d.c_str());
+ bool closed = false;
+ pair<unsigned, unsigned> range = ParseSVGPathData(d, transform, closed);
+ if (closed)
+ {
+ Colour c(0,0,0,0);
+ string colour_str("");
+ map<string, string> style;
+ if (child.attribute("style"))
+ {
+ ParseSVGStyleData(child.attribute("style").as_string(), style);
+ }
+
+ // Determine shading colour
+ if (child.attribute("fill"))
+ {
+ colour_str = child.attribute("fill").as_string();
+ }
+ else if (style.find("fill") != style.end())
+ {
+ colour_str = style["fill"];
+ }
+ if (colour_str == "red")
+ c = {1,0,0,1};
+ else if (colour_str == "blue")
+ c = {0,0,1,1};
+ else if (colour_str == "green")
+ c = {0,1,0,1};
+ else if (colour_str == "black")
+ c = {0,0,0,1};
+ else if (colour_str == "white")
+ c = {1,1,1,1};
+ else if (colour_str.size() == 7 && colour_str[0] == '#')
+ {
+ Debug("Parse colour string: \"%s\"", colour_str.c_str());
+ char comp[2] = {colour_str[1], colour_str[2]};
+ c.r = Real(strtoul(comp, NULL, 16))/Real(255);
+ comp[0] = colour_str[3]; comp[1] = colour_str[4];
+ c.g = Real(strtoul(comp, NULL, 16))/Real(255);
+ comp[0] = colour_str[5]; comp[1] = colour_str[6];
+ c.b = Real(strtoul(comp, NULL, 16))/Real(255);
+ c.a = 1;
+ Debug("Colour is: %f, %f, %f, %f", Float(c.r), Float(c.g), Float(c.b), Float(c.a));
+ }
+
+ // Determin shading alpha
+ if (child.attribute("fill-opacity"))
+ {
+ c.a = child.attribute("fill-opacity").as_float();
+ }
+ else if (style.find("fill-opacity") != style.end())
+ {
+ c.a = strtod(style["fill-opacity"].c_str(), NULL);
+ }
+
+ Debug("fill-opacity is %f", Float(c.a));
+ AddGroup(range.first, range.second, c);
+ }
}
else if (strcmp(child.name(), "line") == 0)
}
}
+void Document::ParseSVGStyleData(const string & style, map<string, string> & results)
+{
+ unsigned i = 0;
+ string key;
+ string value;
+ while (i < style.size() && GetKeyValuePair(style, key, value, i))
+ {
+ results[key] = value;
+ }
+}
+
/**
* Parse an SVG string into a rectangle
*/
// Fear the wrath of the tokenizing svg data
// Seriously this isn't really very DOM-like at all is it?
-pair<unsigned, unsigned> Document::ParseSVGPathData(const string & d, const SVGMatrix & transform)
+pair<unsigned, unsigned> Document::ParseSVGPathData(const string & d, const SVGMatrix & transform, bool & closed)
{
+ closed = false;
Real x[4] = {0,0,0,0};
Real y[4] = {0,0,0,0};
}
else if (command == "l" || command == "L" || command == "h" || command == "H" || command == "v" || command == "V")
{
- Debug("Construct lineto command, relative %d", relative);
+ //Debug("Construct lineto command, relative %d", relative);
Real dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
Real dy;
x[0] = x3;
y[0] = y3;
command = "m";
+ closed = true;
}
else
{
return;
}
- float font_scale = stbtt_ScaleForPixelHeight(&m_font, scale);
Real x0(x);
//Real y0(y);
int ascent = 0, descent = 0, line_gap = 0;
stbtt_GetFontVMetrics(&m_font, &ascent, &descent, &line_gap);
+ float font_scale = scale / (float)(ascent - descent);
Real y_advance = Real(font_scale) * Real(ascent - descent + line_gap);
for (unsigned i = 0; i < text.size(); ++i)
{
int advance_width = 0, left_side_bearing = 0, kerning = 0;
stbtt_GetCodepointHMetrics(&m_font, text[i], &advance_width, &left_side_bearing);
- if (i > 1)
+ if (i >= 1)
{
kerning = stbtt_GetCodepointKernAdvance(&m_font, text[i-1], text[i]);
}
- Debug("%c: lsb %d, kern %d, adv_width %d", text[i], left_side_bearing, kerning, advance_width);
x += Real(font_scale) * Real(kerning);
AddFontGlyphAtPoint(&m_font, text[i], font_scale, x, y);
x += Real(font_scale) * Real(advance_width);