#include <fstream>
#include "../contrib/pugixml-1.4/src/pugixml.cpp"
+#include "transformationtype.h"
#include "stb_truetype.h"
void Document::GenBaseQuadtree()
{
- m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QTC_UNKNOWN, 0, ObjectCount()});
+ m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QTC_UNKNOWN, 0, ObjectCount(), -1});
m_quadtree.root_id = 0;
- GenQuadChild(0, QTC_TOP_LEFT);
}
int Document::ClipObjectToQuadChild(int object_id, QuadTreeNodeChildren type)
{
case RECT_FILLED:
case RECT_OUTLINE:
+ case PATH:
{
Rect obj_bounds = TransformToQuadChild(m_objects.bounds[object_id], type);
if (obj_bounds.x < 0)
}
case BEZIER:
{
- Rect obj_bounds = TransformToQuadChild(m_objects.bounds[object_id], type);
- if (obj_bounds.x < 0)
+ // If we're entirely within the quadtree node, no clipping need occur.
+ if (ContainedInQuadChild(m_objects.bounds[object_id], type))
{
- obj_bounds.w += obj_bounds.x;
- obj_bounds.x = 0;
+ 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;
}
- if (obj_bounds.y < 0)
- {
- obj_bounds.h += obj_bounds.y;
- obj_bounds.y = 0;
- }
- if (obj_bounds.x + obj_bounds.w > 1)
- {
- obj_bounds.w += (1 - (obj_bounds.x + obj_bounds.w));
- }
- if (obj_bounds.y + obj_bounds.h > 1)
- {
- obj_bounds.h += (1 - (obj_bounds.y + obj_bounds.h));
- }
- Rect child_node_bounds = TransformFromQuadChild(obj_bounds, type);
- Rect clip_bezier_bounds = TransformRectCoordinates(m_objects.bounds[object_id], child_node_bounds);
- std::vector<Bezier> new_curves = Bezier(m_objects.beziers[m_objects.data_indices[object_id]], child_node_bounds).ClipToRectangle(clip_bezier_bounds);
+ 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);
- //new_bounds = TransformToQuadChild(new_curves[i].SolveBounds(), type);
- //Bezier new_curve_data = new_curves[i].ToRelative(new_bounds);
- unsigned index = AddBezierData(new_curves[i]);
+ Bezier new_curve_data = new_curves[i].ToAbsolute(TransformToQuadChild(m_objects.bounds[object_id],type));
+ new_bounds = new_curve_data.SolveBounds();
+ Debug("New bounds: %s", new_bounds.Str().c_str());
+ 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);
QuadTreeIndex Document::GenQuadChild(QuadTreeIndex parent, QuadTreeNodeChildren type)
{
QuadTreeIndex new_index = m_quadtree.nodes.size();
- m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, parent, type, 0, 0});
+ Debug("-------------- Generating Quadtree Node %d (parent %d, type %d) ----------------------", new_index, parent, type);
+ m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, parent, type, 0, 0, -1});
m_quadtree.nodes[new_index].object_begin = m_objects.bounds.size();
- for (unsigned i = m_quadtree.nodes[parent].object_begin; i < m_quadtree.nodes[parent].object_end; ++i)
+ for (QuadTreeIndex overlay = parent; overlay != -1; overlay = m_quadtree.nodes[overlay].next_overlay)
{
- if (IntersectsQuadChild(m_objects.bounds[i], type))
+ for (unsigned i = m_quadtree.nodes[overlay].object_begin; i < m_quadtree.nodes[overlay].object_end; ++i)
{
- m_count += ClipObjectToQuadChild(i, type);
+ if (IntersectsQuadChild(m_objects.bounds[i], type))
+ {
+ m_count += ClipObjectToQuadChild(i, type);
+ }
}
}
m_quadtree.nodes[new_index].object_end = m_objects.bounds.size();
QuadTreeIndex Document::GenQuadParent(QuadTreeIndex child, QuadTreeNodeChildren type)
{
QuadTreeIndex new_index = m_quadtree.nodes.size();
- m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, -1, QTC_UNKNOWN, 0, 0});
+ m_quadtree.nodes.push_back(QuadTreeNode{QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, QUADTREE_EMPTY, -1, QTC_UNKNOWN, 0, 0, -1});
m_quadtree.nodes[new_index].object_begin = m_objects.bounds.size();
- for (unsigned i = m_quadtree.nodes[child].object_begin; i < m_quadtree.nodes[child].object_end; ++i)
+ for (QuadTreeIndex overlay = child; overlay != -1; overlay = m_quadtree.nodes[overlay].next_overlay)
{
- m_objects.bounds.push_back(TransformFromQuadChild(m_objects.bounds[i], type));
- m_objects.types.push_back(m_objects.types[i]);
- m_objects.data_indices.push_back(m_objects.data_indices[i]);
- m_count++;
+ for (unsigned i = m_quadtree.nodes[overlay].object_begin; i < m_quadtree.nodes[overlay].object_end; ++i)
+ {
+ m_objects.bounds.push_back(TransformFromQuadChild(m_objects.bounds[i], type));
+ m_objects.types.push_back(m_objects.types[i]);
+ m_objects.data_indices.push_back(m_objects.data_indices[i]);
+ m_count++;
+ }
}
m_quadtree.nodes[new_index].object_end = m_objects.bounds.size();
switch (type)
#endif
}
-unsigned Document::AddPath(unsigned start_index, unsigned end_index, const Colour & fill)
+unsigned Document::AddPath(unsigned start_index, unsigned end_index, const Colour & fill, const Colour & stroke)
{
- Path path(m_objects, start_index, end_index, fill);
+ Path path(m_objects, start_index, end_index, fill, stroke);
unsigned data_index = AddPathData(path);
Rect bounds = path.SolveBounds(m_objects);
unsigned result = Add(PATH, bounds,data_index);
+ m_objects.paths[data_index].m_index = result;
+ //Debug("Added path %u -> %u (%u objects) colour {%u,%u,%u,%u}, stroke {%u,%u,%u,%u}", start_index, end_index, (end_index - start_index), fill.r, fill.g, fill.b, fill.a, stroke.r, stroke.g, stroke.b, stroke.a);
return result;
}
Bezier data = bezier.ToRelative(bounds); // Relative
if (data.ToAbsolute(bounds) != bezier)
{
- Error("%s != %s", data.ToAbsolute(Rect(0,0,1,1)).Str().c_str(),
+ Warn("%s != %s", data.ToAbsolute(bounds).Str().c_str(),
bezier.Str().c_str());
- Fatal("ToAbsolute on ToRelative does not give original Bezier");
+ Warn("ToAbsolute on ToRelative does not give original Bezier");
}
unsigned index = AddBezierData(data);
return Add(BEZIER, bounds, index);
}
-unsigned Document::Add(ObjectType type, const Rect & bounds, unsigned data_index)
+unsigned Document::Add(ObjectType type, const Rect & bounds, unsigned data_index, QuadTreeIndex qti)
{
m_objects.types.push_back(type);
m_objects.bounds.push_back(bounds);
m_objects.data_indices.push_back(data_index);
+#ifndef QUADTREE_DISABLED
+ if (qti != -1)
+ {
+ while (m_quadtree.nodes[qti].next_overlay != -1)
+ {
+ if (m_count == m_quadtree.nodes[qti].object_end+1)
+ {
+ m_quadtree.nodes[qti].object_end++;
+ goto done;
+ }
+ qti = m_quadtree.nodes[qti].next_overlay;
+ }
+ QuadTreeIndex overlay = m_quadtree.nodes.size();
+ m_quadtree.nodes.push_back(m_quadtree.nodes[qti]);
+ m_quadtree.nodes[overlay].object_begin = m_count;
+ m_quadtree.nodes[overlay].object_end = m_count+1;
+ m_quadtree.nodes[qti].next_overlay = overlay;
+ }
+#endif
+done:
return (m_count++); // Why can't we just use the size of types or something?
}
{
string token("");
while (GetToken(d, token, i, delims) == ",");
- x = strtod(token.c_str(),NULL);
+ x = RealFromStr(token);
if (GetToken(d, token, i, delims) != ",")
{
Fatal("Expected \",\" seperating x,y pair");
}
- y = strtod(GetToken(d, token, i, delims).c_str(),NULL);
+ y = RealFromStr(GetToken(d,token,i,delims));
}
static bool GetKeyValuePair(const string & d, string & key, string & value, unsigned & i, const string & delims = "()[],{}<>;:=")
}
else if (command == "scale")
{
- delta.a = (strtod(GetToken(s,token,i).c_str(), NULL));
+ delta.a = RealFromStr(GetToken(s,token,i));
GetToken(s, token, i);
if (token == ",")
{
- delta.d = (strtod(GetToken(s,token,i).c_str(), NULL));
+ delta.d = RealFromStr(GetToken(s,token,i));
assert(GetToken(s, token, i) == ")");
}
else
}
}
+inline Colour ParseColourString(const string & colour_str)
+{
+ Colour c(0,0,0,0);
+ if (colour_str == "red")
+ c = {255,0,0,255};
+ else if (colour_str == "blue")
+ c = {0,0,255,255};
+ else if (colour_str == "green")
+ c = {0,255,0,255};
+ else if (colour_str == "black")
+ c = {0,0,0,255};
+ else if (colour_str == "white")
+ c = {255,255,255,255};
+ else if (colour_str.size() == 7 && colour_str[0] == '#')
+ {
+ //Debug("Parse colour string: \"%s\"", colour_str.c_str());
+ char comp[3] = {colour_str[1], colour_str[2], '\0'};
+ c.r = strtoul(comp, NULL, 16);
+ comp[0] = colour_str[3]; comp[1] = colour_str[4];
+ c.g = strtoul(comp, NULL, 16);
+ comp[0] = colour_str[5]; comp[1] = colour_str[6];
+ c.b = strtoul(comp, NULL, 16);
+ c.a = 255;
+ //Debug("Colour is: %u, %u, %u, %u", c.r, c.g, c.b, c.a);
+ }
+ return c;
+}
+
void Document::ParseSVGNode(pugi::xml_node & root, SVGMatrix & parent_transform)
{
//Debug("Parse node <%s>", root.name());
-
+
+ // Centre the SVGs
+ if (strcmp(root.name(),"svg") == 0)
+ {
+ Real ww = RealFromStr(root.attribute("width").as_string());
+ Real hh = RealFromStr(root.attribute("height").as_string());
+ parent_transform.e -= parent_transform.a * ww/Real(2);
+ parent_transform.f -= parent_transform.d * hh/Real(2);
+ }
+
for (pugi::xml_node child = root.first_child(); child; child = child.next_sibling())
{
SVGMatrix transform(parent_transform);
//Debug("Path data attribute is \"%s\"", d.c_str());
bool closed = false;
pair<unsigned, unsigned> range = ParseSVGPathData(d, transform, closed);
- if (closed)
+ if (true && range.first < m_count && range.second < m_count)//(closed)
{
- Colour c(0,0,0,0);
+
string colour_str("");
map<string, string> style;
if (child.attribute("style"))
{
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] == '#')
+ Colour fill = ParseColourString(colour_str);
+ Colour stroke = fill;
+
+ if (child.attribute("stroke"))
+ {
+ colour_str = child.attribute("stroke").as_string();
+ stroke = ParseColourString(colour_str);
+ }
+ else if (style.find("stroke") != style.end())
{
- 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));
+ colour_str = style["stroke"];
+ stroke = ParseColourString(colour_str);
}
+
// Determin shading alpha
if (child.attribute("fill-opacity"))
{
- c.a = child.attribute("fill-opacity").as_float();
+ fill.a = 255*child.attribute("fill-opacity").as_float();
}
else if (style.find("fill-opacity") != style.end())
{
- c.a = strtod(style["fill-opacity"].c_str(), NULL);
+ fill.a = 255*strtod(style["fill-opacity"].c_str(), NULL);
}
-
- Debug("fill-opacity is %f", Float(c.a));
- AddPath(range.first, range.second, c);
+ if (child.attribute("stroke-opacity"))
+ {
+ stroke.a = 255*child.attribute("stroke-opacity").as_float();
+ }
+ else if (style.find("stroke-opacity") != style.end())
+ {
+ stroke.a = 255*strtod(style["stroke-opacity"].c_str(), NULL);
+ }
+ AddPath(range.first, range.second, fill, stroke);
}
}
if (!result)
Error("Couldn't load \"%s\" - %s", filename.c_str(), result.description());
- Debug("Loaded XML - %s", result.description());
+ Debug("Loaded XML from \"%s\" - %s", filename.c_str(), result.description());
input.close();
// a c e, b d f
- SVGMatrix transform = {bounds.w, 0,bounds.x, 0,bounds.h,bounds.y};
+ SVGMatrix transform = {bounds.w,0 ,bounds.x, 0,bounds.h,bounds.y};
ParseSVGNode(doc_xml, transform);
}
if (command == "m" || command == "M")
{
//Debug("Construct moveto command");
- Real dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ Real dx = RealFromStr(GetToken(d,token,i,delims));
assert(GetToken(d,token,i,delims) == ",");
- Real dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ Real dy = RealFromStr(GetToken(d,token,i,delims));
x[0] = (relative) ? x[0] + dx : dx;
y[0] = (relative) ? y[0] + dy : dy;
else if (command == "c" || command == "C" || command == "q" || command == "Q")
{
//Debug("Construct curveto command");
- Real dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ Real dx = RealFromStr(GetToken(d,token,i,delims));
assert(GetToken(d,token,i,delims) == ",");
- Real dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ Real dy = RealFromStr(GetToken(d,token,i,delims));
x[1] = (relative) ? x[0] + dx : dx;
y[1] = (relative) ? y[0] + dy : dy;
- dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ dx = RealFromStr(GetToken(d,token,i,delims));
assert(GetToken(d,token,i,delims) == ",");
- dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ dy = RealFromStr(GetToken(d,token,i,delims));
x[2] = (relative) ? x[0] + dx : dx;
y[2] = (relative) ? y[0] + dy : dy;
if (command != "q" && command != "Q")
{
- dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ dx = RealFromStr(GetToken(d,token,i,delims));
assert(GetToken(d,token,i,delims) == ",");
- dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ dy = RealFromStr(GetToken(d,token,i,delims));
x[3] = (relative) ? x[0] + dx : dx;
y[3] = (relative) ? y[0] + dy : dy;
}
{
//Debug("Construct lineto command, relative %d", relative);
- Real dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
- Real dy;
+ Real dx = RealFromStr(GetToken(d,token,i,delims));
+ Real dy = 0;
if (command == "l" || command == "L")
{
assert(GetToken(d,token,i,delims) == ",");
- dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+ dy = RealFromStr(GetToken(d,token,i,delims));
}
else if (command == "v" || command == "V")
{
//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 font_scale = scale;
+ font_scale /= Real(ascent - descent);
Real y_advance = Real(font_scale) * Real(ascent - descent + line_gap);
for (unsigned i = 0; i < text.size(); ++i)
{
{
kerning = stbtt_GetCodepointKernAdvance(&m_font, text[i-1], text[i]);
}
- x += Real(font_scale) * Real(kerning);
+ x += font_scale * Real(kerning);
AddFontGlyphAtPoint(&m_font, text[i], font_scale, x, y);
- x += Real(font_scale) * Real(advance_width);
+ x += font_scale * Real(advance_width);
}
}
{
AddPath(start_index, end_index);
}
- Debug("Added Glyph \"%c\" at %f %f, scale %f", (char)character, Float(x), Float(y), Float(scale));
+ //Debug("Added Glyph \"%c\" at %f %f, scale %f", (char)character, Float(x), Float(y), Float(scale));
stbtt_FreeShape(font, instructions);
}
+
+void Document::TransformObjectBounds(const SVGMatrix & transform)
+{
+ for (unsigned i = 0; i < m_count; ++i)
+ {
+ TransformXYPair(m_objects.bounds[i].x, m_objects.bounds[i].y, transform);
+ m_objects.bounds[i].w *= transform.a;
+ m_objects.bounds[i].h *= transform.d;
+ }
+}
+
+void Document::TranslateObjects(const Real & dx, const Real & dy, ObjectType type)
+{
+ #ifdef TRANSFORM_BEZIERS_TO_PATH
+ for (unsigned i = 0; i < m_objects.paths.size(); ++i)
+ {
+ Path & p = m_objects.paths[i];
+ p.m_bounds.x += dx;
+ p.m_bounds.y += dy;
+ }
+ return;
+ #endif
+
+ for (unsigned i = 0; i < m_count; ++i)
+ {
+ if (type == NUMBER_OF_OBJECT_TYPES || m_objects.types[i] == type)
+ {
+ m_objects.bounds[i].x += dx;
+ m_objects.bounds[i].y += dy;
+ }
+ }
+}
+
+void Document::ScaleObjectsAboutPoint(const Real & x, const Real & y, const Real & scale_amount, ObjectType type)
+{
+ #ifdef TRANSFORM_BEZIERS_TO_PATH
+ for (unsigned i = 0; i < m_objects.paths.size(); ++i)
+ {
+ Path & p = m_objects.paths[i];
+ p.m_bounds.w /= scale_amount;
+ p.m_bounds.h /= scale_amount;
+ p.m_bounds.x -= x;
+ p.m_bounds.x /= scale_amount;
+ p.m_bounds.x += x;
+ p.m_bounds.y -= y;
+ p.m_bounds.y /= scale_amount;
+ p.m_bounds.y += y;
+ }
+ return;
+ #endif
+
+ for (unsigned i = 0; i < m_count; ++i)
+ {
+ if (type != NUMBER_OF_OBJECT_TYPES && m_objects.types[i] != type)
+ continue;
+
+ m_objects.bounds[i].w /= scale_amount;
+ m_objects.bounds[i].h /= scale_amount;
+ //m_objects.bounds[i].x = x + (m_objects.bounds[i].x-x)/scale_amount;
+ //m_objects.bounds[i].y = y + (m_objects.bounds[i].y-x)/scale_amount;
+ m_objects.bounds[i].x -= x;
+ m_objects.bounds[i].x /= scale_amount;
+ m_objects.bounds[i].x += x;
+
+ m_objects.bounds[i].y -= y;
+ m_objects.bounds[i].y /= scale_amount;
+ m_objects.bounds[i].y += y;
+ }
+
+}
+
+