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/*
render/text.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "auxiliary/functions.h"
#include "render/text.h"
#include "render/textures.h"
#include "sys/sys.h"
namespace render {
float Text::text_fontwidth = 16.0f;
float Text::text_fontheight = 24.0f;
math::Color * Text::base_color[10];
math::Color * Text::core_color[26];
void Text::init()
{
// base colors
// Black=0, Red=1, Green=2, Yellow=3, Blue=4, Cyan=5, Magenta=6, White=7
base_color[0] = new math::Color(0, 0, 0);
base_color[1] = new math::Color(1, 0, 0);
base_color[2] = new math::Color(0, 1, 0);
base_color[3] = new math::Color(1, 1, 0);
base_color[4] = new math::Color(0, 0, 1);
base_color[5] = new math::Color(0, 1, 1);
base_color[6] = new math::Color(1, 0, 1);
base_color[7] = new math::Color(1, 1, 1);
base_color[8] = new math::Color(1, 1, 1);
base_color[9] = new math::Color(1, 1, 1);
for (size_t i = 0; i < 26; i++) {
core_color[i] = new math::Color(.75, .75, .75);
}
// N - normal color
core_color[(size_t)('N'-'A')]->assign(.75, .75, .75);
// D - Debug color
core_color[(size_t)('D'-'A')]->assign(.5, .5, .5);
// B - bold color
core_color[(size_t)('B'-'A')]->assign(1, 1, 1);
// W - warning color
core_color[(size_t)('W'-'A')]->assign(1, 1, 0);
// R - Error color
core_color[(size_t)('R'-'A')]->assign(1, 0, 0);
// F - Fancy color
core_color[(size_t)('F'-'A')]->assign(0, 1, 0);
}
void Text::shutdown()
{
for (size_t i = 0; i < 10; i++) {
delete base_color[i];
base_color[i] = 0;
}
for (size_t i = 0; i < 26; i++) {
delete core_color[i];
core_color[i] = 0;
}
}
void Text::assign_color(const char c, const math::Color &color)
{
if (('A' <= c) && (c <= 'Z')) {
core_color[(size_t)(c - 'A')]->assign(color);
} else if (('0' <= c) && (c <= '9')) {
base_color[(size_t)(c - '0')]->assign(color);
}
}
void Text::setcolor(const char color)
{
if (('A' <= color) && (color <= 'Z')) {
gl::color(*core_color[(size_t)(color - 'A')]);
}
else if (('0' <= color) && (color <= '9')) {
gl::color(*base_color[(size_t)(color - '0')]);
}
}
void Text::setfont(const char *texture, const float width, const float height)
{
std::string texture_filename("bitmaps/fonts/");
texture_filename.append(texture);
Textures::bind(texture_filename, false);
text_fontwidth = width;
text_fontheight = height;
}
// draw a single character
void Text::draw(const float x, const float y, const char ascii)
{
if (ascii != ' ') {
int row = (int) ascii >> 4;
int col = (int) ascii & 15;
float frow = (float) row * 0.0625f;
float fcol = (float) col * 0.0625f;
gl::begin(gl::Quads);
gl::texcoord(fcol, frow);
gl::vertex(x, y, 0);
gl::texcoord(fcol + 0.0625f, frow);
gl::vertex(x + text_fontwidth, y, 0);
gl::texcoord(fcol + 0.0625f, frow + 0.0625f);
gl::vertex(x + text_fontwidth, y + text_fontheight, 0);
gl::texcoord(fcol, frow + 0.0625f);
gl::vertex(x, y + text_fontheight, 0);
gl::end();
}
}
// draw one or more lines of text
void Text::draw(const float x, const float y, const char *text)
{
const char *c = text;
float x1 = x;
float y1 = y;
while (*c) {
if (aux::is_base_color_code(c)) {
c++;
gl::color(*base_color[(size_t)(*c - '0')]);
} else if (aux::is_core_color_code(c)) {
c++;
gl::color(*core_color[(size_t)(*c - 'A')]);
} else if (*c == '\n' ) {
y1 += text_fontheight;
x1 = x;
} else {
draw(x1, y1, *c);
x1 += text_fontwidth;
}
c++;
}
}
/*
void Text::draw(float x, float y, std::stringstream & textstream)
{
char line[MAXCMDSIZE];
while (textstream.getline(line, MAXCMDSIZE - 1)) {
draw(x, y, line);
y += text_fontheight;
}
textstream.clear();
}
*/
} // namespace render
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