m_objects.data_indices.push_back(m_objects.data_indices[object_id]);
return 1;
}
- case GROUP:
- break;
+ case BEZIER:
+ {
+ // If we're entirely within the quadtree node, no clipping need occur.
+ if (ContainedInQuadChild(m_objects.bounds[object_id], type))
+ {
+ m_objects.bounds.push_back(TransformToQuadChild(m_objects.bounds[object_id], type));
+ m_objects.types.push_back(m_objects.types[object_id]);
+ m_objects.data_indices.push_back(m_objects.data_indices[object_id]);
+ return 1;
+ }
+ Rect clip_bezier_bounds = TransformRectCoordinates(m_objects.bounds[object_id], TransformFromQuadChild(Rect{0,0,1,1}, type));
+ std::vector<Bezier> new_curves = m_objects.beziers[m_objects.data_indices[object_id]].ClipToRectangle(clip_bezier_bounds);
+ for (size_t i = 0; i < new_curves.size(); ++i)
+ {
+ Rect new_bounds = TransformToQuadChild(m_objects.bounds[object_id], type);
+ Bezier new_curve_data = new_curves[i].ToAbsolute(TransformToQuadChild(m_objects.bounds[object_id],type));
+ new_bounds = new_curve_data.SolveBounds();
+ new_curve_data = new_curve_data.ToRelative(new_bounds);
+ unsigned index = AddBezierData(new_curve_data);
+ m_objects.bounds.push_back(new_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));
LoadStructVector<Bezier>(file, chunk_size/sizeof(Bezier), m_objects.beziers);
break;
- case CT_OBJGROUPS:
- Debug("Group data...");
+ case CT_OBJPATHS:
+ Debug("Path data...");
Warn("Not handled because lazy");
break;
}
#endif
}
-unsigned Document::AddGroup(unsigned start_index, unsigned end_index)
+unsigned Document::AddPath(unsigned start_index, unsigned end_index, const Colour & fill)
{
- Real xmin = 0; Real ymin = 0;
- Real xmax = 0; Real ymax = 0;
-
- for (unsigned i = start_index; i <= end_index; ++i)
- {
- Rect & objb = m_objects.bounds[i];
-
- if (i == start_index || objb.x < xmin)
- xmin = objb.x;
- if (i == start_index || (objb.x+objb.w) > xmax)
- xmax = (objb.x+objb.w);
-
- if (i == start_index || objb.y < ymin)
- ymin = objb.y;
- if (i == start_index || (objb.y+objb.h) > ymax)
- ymax = (objb.y+objb.h);
- }
-
- 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;
+ Path path(m_objects, start_index, end_index, fill);
+ unsigned data_index = AddPathData(path);
+ Rect bounds = path.SolveBounds(m_objects);
+ unsigned result = Add(PATH, bounds,data_index);
return result;
}
{
Rect bounds = bezier.SolveBounds();
Bezier data = bezier.ToRelative(bounds); // Relative
+ if (data.ToAbsolute(bounds) != bezier)
+ {
+ Error("%s != %s", data.ToAbsolute(Rect(0,0,1,1)).Str().c_str(),
+ bezier.Str().c_str());
+ Fatal("ToAbsolute on ToRelative does not give original Bezier");
+ }
unsigned index = AddBezierData(data);
return Add(BEZIER, bounds, index);
}
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::AddPathData(const Path & path)
+{
+ m_objects.paths.push_back(path);
+ return m_objects.paths.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));
+ AddPath(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);
if (start_index < m_count && end_index < m_count)
{
- AddGroup(start_index, end_index);
+ AddPath(start_index, end_index);
}
Debug("Added Glyph \"%c\" at %f %f, scale %f", (char)character, Float(x), Float(y), Float(scale));
git.ucc.asn.au / ipdf / code.git / blobdiff
UCC git Repository :: git.ucc.asn.au