-/* $Id$
-
-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 "style.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)
+ {
+ 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);
+ }
}
unsigned Text::get_width() const
unsigned Text::get_height() const
{
+ if(!style)
+ return lines.size();
+
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);
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;
}
void Text::render(const Part &part, const Geometry &parent, unsigned first_row) const
{
- if(lines.empty())
+ if(!style || lines.empty())
return;
const GL::Color &color = style->get_font_color();
void Text::find_lines()
{
lines.clear();
- float font_size = style->get_font()->get_default_size();
+ float font_size = (style ? style->get_font()->get_default_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
{
+ if(!style)
+ return;
+
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);
int y_offset = static_cast<int>(-font->get_descent()*font_size);
const Sides &margin = part.get_margin();
- unsigned n_lines = min(lines.size(), (parent.h-margin.top-margin.bottom)/line_spacing);
+ unsigned n_lines = min(lines.size(), max((parent.h-margin.top-margin.bottom)/line_spacing, 1U));
first_row = min(first_row, lines.size()-n_lines);
for(unsigned i=0; i<n_lines; ++i)