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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* font.cc
*
* Sat Nov 12 11:13:41 CET 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of CamSync.
*
* CamSync is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CamSync is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CamSync; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "font.h"
#ifdef X11
#include <X11/Xlib.h>
#endif/*X11*/
GUI::Font::Font(std::string fontfile)
: img_font(fontfile)
{
int px = 0;
int c;
for(c = 0; c < 255 && px < (int)img_font.width(); c++) {
character_offset[c] = px + 1;
character_pre_bias[c] = 0;
character_post_bias[c] = 0;
if(c > 0) {
character_width[c - 1] =
character_offset[c] - character_offset[c - 1] - 1;
}
px++;
GUI::Colour c;
while(px < (int)img_font.width()) {
c = img_font.getPixel(px, 0);
// Find next purple pixel in top row:
if(c.red == 1 && c.green == 0 && c.blue == 1 && c.alpha == 1) break;
px++;
}
}
c++;
character_width[c - 1] = character_offset[c] - character_offset[c - 1] - 1;
}
void GUI::Font::setFace(std::string face)
{
face = face;
}
std::string GUI::Font::face()
{
return "";//face;
}
void GUI::Font::setSize(size_t points)
{
points = points;
}
size_t GUI::Font::size()
{
return 0;
}
size_t GUI::Font::textWidth(std::string text)
{
size_t len = 0;
for(size_t i = 0; i < text.length(); i++) {
unsigned int cha = text[i];
len += character_width[(char)cha] + 1 + character_post_bias[(char)cha];
}
return len;
}
size_t GUI::Font::textHeight(std::string text)
{
return img_font.height();
}
GUI::PixelBufferAlpha *GUI::Font::render(std::string text)
{
int border = 1;
PixelBufferAlpha *pb =
new PixelBufferAlpha(textWidth(text), textHeight(text));
int x_offset = 0;
for(size_t i = 0; i < text.length(); i++) {
unsigned int cha = text[i];
for(size_t x = 0; x < character_width[(char)cha]; x++) {
for(size_t y = 0; y < img_font.height(); y++) {
Colour c = img_font.getPixel(x + (character_offset[(char)cha]), y);
pb->setPixel(x + x_offset + character_pre_bias[(char)cha], y,
c.red * 255, c.green * 255, c.blue * 255, c.alpha * 255);
}
}
x_offset += character_width[(char)cha] + border +
character_post_bias[(char)cha];
}
return pb;
}
#ifdef TEST_FONT
//deps:
//cflags:
//libs:
#include "test.h"
TEST_BEGIN;
// TODO: Put some testcode here (see test.h for usable macros).
TEST_END;
#endif/*TEST_FONT*/
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