-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2009-2010 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/gl/immediate.h>
#include <msp/gl/matrix.h>
+#include <msp/gl/meshbuilder.h>
+#include <msp/gl/texture2d.h>
+#include "partcache.h"
#include "style.h"
#include "text.h"
{
style = s;
- float font_size = style->get_font()->get_default_size();
- for(vector<Line>::iterator i=lines.begin(); i!=lines.end(); ++i)
- i->width = static_cast<unsigned>(style->get_font()->get_string_width(text.substr(i->start, i->length))*font_size);
+ if(style)
+ {
+ const GL::Font &font = style->get_font();
+ float font_size = style->get_font_size();
+ for(vector<Line>::iterator i=lines.begin(); i!=lines.end(); ++i)
+ i->width = static_cast<unsigned>(font.get_string_width(text.substr(i->start, i->length))*font_size);
+ }
}
unsigned Text::get_width() const
unsigned Text::get_height() const
{
- const GL::Font *font = style->get_font();
- float font_size = font->get_default_size();
- unsigned line_height = static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
+ if(!style)
+ return lines.size();
+
+ const GL::Font &font = style->get_font();
+ float font_size = style->get_font_size();
+ unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font_size);
unsigned line_spacing = line_height*6/5;
return line_height+(lines.size()-1)*line_spacing;
}
+void Text::autosize(const Part &part, Geometry &geom) const
+{
+ const Sides &margin = part.get_margin();
+ geom.w = max(geom.w, get_width()+margin.left+margin.right);
+ geom.h = max(geom.h, get_height()+margin.top+margin.bottom);
+}
+
void Text::set(const string &t)
{
text = t;
unsigned Text::get_line_length(unsigned i) const
{
if(i>=lines.size())
- throw InvalidParameterValue("Invalid line number");
+ throw out_of_range("Text::get_line_length");
return lines[i].length;
}
return data.result;
}
-void Text::render(const Part &part, const Geometry &parent, unsigned first_row) const
+void Text::build(const Part &part, State state, const Geometry &parent, PartCache &cache) const
{
- if(lines.empty())
+ build(part, state, parent, 0, cache);
+}
+
+void Text::build(const Part &part, State state, const Geometry &parent, unsigned first_row, PartCache &cache) const
+{
+ if(!style || lines.empty())
return;
- const GL::Color &color = style->get_font_color();
- GL::Immediate imm((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
- imm.color(color.r, color.g, color.b);
+ const GL::Font &font = style->get_font();
+ GL::MeshBuilder bld(cache.create_mesh(part, font.get_texture()));
+ bld.color(style->get_font_color(state));
RenderData data;
- data.bld = &imm;
+ data.bld = &bld;
- process_lines<RenderData, &Text::render_line>(part, parent, first_row, data);
+ process_lines<RenderData, &Text::build_line>(part, parent, first_row, data);
}
Text &Text::operator=(const string &t)
void Text::find_lines()
{
lines.clear();
- float font_size = style->get_font()->get_default_size();
+ float font_size = (style ? style->get_font_size() : 1);
string::size_type start = 0;
while(1)
{
Line line;
line.start = start;
line.length = (newline==string::npos ? text.size() : newline)-start;
- line.width = static_cast<unsigned>(style->get_font()->get_string_width(text.substr(line.start, line.length))*font_size);
+ line.width = line.length;
+ if(style)
+ {
+ string str = text.substr(line.start, line.length);
+ line.width = static_cast<unsigned>(style->get_font().get_string_width(str)*font_size);
+ }
lines.push_back(line);
if(newline==string::npos)
template<typename T, void (Text::*func)(unsigned, const Geometry &, T &) const>
void Text::process_lines(const Part &part, const Geometry &parent, unsigned first_row, T &data) const
{
- const GL::Font *font = style->get_font();
- float font_size = font->get_default_size();
- unsigned line_height = static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
+ if(!style)
+ return;
+
+ const GL::Font &font = style->get_font();
+ float font_size = style->get_font_size();
+ unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font_size);
unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
unsigned height = line_height+(lines.size()-1)*line_spacing;
- int y_offset = static_cast<int>(-font->get_descent()*font_size);
+ int y_offset = static_cast<int>(-font.get_descent()*font_size);
const Sides &margin = part.get_margin();
- unsigned n_lines = max(min(lines.size(), (parent.h-margin.top-margin.bottom)/line_spacing), 1U);
- first_row = min(first_row, lines.size()-n_lines);
+ unsigned n_lines = min<unsigned>(lines.size(), max((parent.h-margin.top-margin.bottom)/line_spacing, 1U));
+ first_row = min<unsigned>(first_row, lines.size()-n_lines);
for(unsigned i=0; i<n_lines; ++i)
{
}
}
-void Text::render_line(unsigned i, const Geometry &rgeom, RenderData &data) const
+void Text::build_line(unsigned i, const Geometry &rgeom, RenderData &data) const
{
const Line &line = lines[i];
- const GL::Font *font = style->get_font();
- GL::PushMatrix _pushm;
- GL::translate(rgeom.x, rgeom.y, 0);
- GL::scale_uniform(font->get_default_size());
+ GL::MatrixStack::Push _pushm(data.bld->matrix());
+ data.bld->matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
+ data.bld->matrix() *= GL::Matrix::scaling(style->get_font_size());
- font->draw_string(text.substr(line.start, line.length), *data.bld);
+ style->get_font().build_string(text.substr(line.start, line.length), *data.bld);
}
void Text::coords_to_geom_line(unsigned i, const Geometry &rgeom, CoordsToGeomData &data) const
{
if(i==data.row)
{
- const Line &line = lines[i];
- const GL::Font *font = style->get_font();
-
+ float w = style->get_font().get_string_width(text.substr(lines[i].start, data.col));
data.result = rgeom;
- data.result.x += static_cast<unsigned>(font->get_string_width(text.substr(line.start, data.col))*font->get_default_size());
+ data.result.x += static_cast<unsigned>(w*style->get_font_size());
}
}
projects / libs / gltk.git / blobdiff