Jonathan Schleifer
875c395ce1
This way, nowhere else autorelease pools need to be managed. FossilOrigin-Name: 489124a92fd2a7e6d543b58ce50e454f2cb1647c81b4ba637d6c252404012ddd
253 lines
6.2 KiB
Text
253 lines
6.2 KiB
Text
// rendertext.cpp: based on Don's gl_text.cpp
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#include "cube.h"
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short char_coords[96][4] = {
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{ 0, 0, 25, 64 }, //!
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{ 25, 0, 54, 64 }, //"
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{ 54, 0, 107, 64 }, // #
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{ 107, 0, 148, 64 }, //$
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{ 148, 0, 217, 64 }, //%
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{ 217, 0, 263, 64 }, //&
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{ 263, 0, 280, 64 }, //'
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{ 280, 0, 309, 64 }, //(
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{ 309, 0, 338, 64 }, //)
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{ 338, 0, 379, 64 }, //*
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{ 379, 0, 432, 64 }, //+
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{ 432, 0, 455, 64 }, //,
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{ 455, 0, 484, 64 }, //-
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{ 0, 64, 21, 128 }, //.
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{ 23, 64, 52, 128 }, ///
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{ 52, 64, 93, 128 }, // 0
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{ 93, 64, 133, 128 }, // 1
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{ 133, 64, 174, 128 }, // 2
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{ 174, 64, 215, 128 }, // 3
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{ 215, 64, 256, 128 }, // 4
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{ 256, 64, 296, 128 }, // 5
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{ 296, 64, 337, 128 }, // 6
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{ 337, 64, 378, 128 }, // 7
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{ 378, 64, 419, 128 }, // 8
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{ 419, 64, 459, 128 }, // 9
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{ 459, 64, 488, 128 }, //:
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{ 0, 128, 29, 192 }, //;
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{ 29, 128, 81, 192 }, //<
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{ 81, 128, 134, 192 }, //=
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{ 134, 128, 186, 192 }, //>
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{ 186, 128, 221, 192 }, //?
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{ 221, 128, 285, 192 }, //@
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{ 285, 128, 329, 192 }, // A
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{ 329, 128, 373, 192 }, // B
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{ 373, 128, 418, 192 }, // C
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{ 418, 128, 467, 192 }, // D
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{ 0, 192, 40, 256 }, // E
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{ 40, 192, 77, 256 }, // F
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{ 77, 192, 127, 256 }, // G
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{ 127, 192, 175, 256 }, // H
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{ 175, 192, 202, 256 }, // I
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{ 202, 192, 231, 256 }, // J
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{ 231, 192, 275, 256 }, // K
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{ 275, 192, 311, 256 }, // L
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{ 311, 192, 365, 256 }, // M
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{ 365, 192, 413, 256 }, // N
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{ 413, 192, 463, 256 }, // O
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{ 1, 256, 38, 320 }, // P
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{ 38, 256, 89, 320 }, // Q
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{ 89, 256, 133, 320 }, // R
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{ 133, 256, 176, 320 }, // S
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{ 177, 256, 216, 320 }, // T
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{ 217, 256, 263, 320 }, // U
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{ 263, 256, 307, 320 }, // V
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{ 307, 256, 370, 320 }, // W
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{ 370, 256, 414, 320 }, // X
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{ 414, 256, 453, 320 }, // Y
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{ 453, 256, 497, 320 }, // Z
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{ 0, 320, 29, 384 }, //[
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{ 29, 320, 58, 384 }, //"\"
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{ 59, 320, 87, 384 }, //]
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{ 87, 320, 139, 384 }, //^
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{ 139, 320, 180, 384 }, //_
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{ 180, 320, 221, 384 }, //`
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{ 221, 320, 259, 384 }, // a
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{ 259, 320, 299, 384 }, // b
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{ 299, 320, 332, 384 }, // c
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{ 332, 320, 372, 384 }, // d
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{ 372, 320, 411, 384 }, // e
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{ 411, 320, 433, 384 }, // f
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{ 435, 320, 473, 384 }, // g
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{ 0, 384, 40, 448 }, // h
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{ 40, 384, 56, 448 }, // i
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{ 58, 384, 80, 448 }, // j
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{ 80, 384, 118, 448 }, // k
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{ 118, 384, 135, 448 }, // l
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{ 135, 384, 197, 448 }, // m
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{ 197, 384, 238, 448 }, // n
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{ 238, 384, 277, 448 }, // o
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{ 277, 384, 317, 448 }, // p
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{ 317, 384, 356, 448 }, // q
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{ 357, 384, 384, 448 }, // r
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{ 385, 384, 417, 448 }, // s
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{ 417, 384, 442, 448 }, // t
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{ 443, 384, 483, 448 }, // u
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{ 0, 448, 38, 512 }, // v
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{ 38, 448, 90, 512 }, // w
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{ 90, 448, 128, 512 }, // x
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{ 128, 448, 166, 512 }, // y
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{ 166, 448, 200, 512 }, // z
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{ 200, 448, 241, 512 }, //{
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{ 241, 448, 270, 512 }, //|
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{ 270, 448, 310, 512 }, //}
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{ 310, 448, 363, 512 }, //~
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};
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int
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text_width(OFString *string)
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{
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const char *str = string.UTF8String;
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size_t len = string.UTF8StringLength;
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int x = 0;
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for (int i = 0; i < len; i++) {
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int c = str[i];
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if (c == '\t') {
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x = (x + PIXELTAB) / PIXELTAB * PIXELTAB;
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continue;
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}
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if (c == '\f')
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continue;
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if (c == ' ') {
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x += FONTH / 2;
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continue;
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}
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c -= 33;
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if (c < 0 || c >= 95)
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continue;
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int in_width = char_coords[c][2] - char_coords[c][0];
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x += in_width + 1;
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}
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return x;
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}
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void
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draw_textf(OFConstantString *format, int left, int top, int gl_num, ...)
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{
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va_list arguments;
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va_start(arguments, gl_num);
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OFString *str = [[OFString alloc] initWithFormat:format
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arguments:arguments];
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va_end(arguments);
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draw_text(str, left, top, gl_num);
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}
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void
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draw_text(OFString *string, int left, int top, int gl_num)
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{
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glBlendFunc(GL_ONE, GL_ONE);
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glBindTexture(GL_TEXTURE_2D, gl_num);
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glColor3ub(255, 255, 255);
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int x = left;
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int y = top;
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int i;
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float in_left, in_top, in_right, in_bottom;
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int in_width, in_height;
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const char *str = string.UTF8String;
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size_t len = string.UTF8StringLength;
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for (i = 0; i < len; i++) {
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int c = str[i];
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if (c == '\t') {
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x = (x - left + PIXELTAB) / PIXELTAB * PIXELTAB + left;
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continue;
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}
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if (c == '\f') {
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glColor3ub(64, 255, 128);
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continue;
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}
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if (c == ' ') {
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x += FONTH / 2;
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continue;
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}
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c -= 33;
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if (c < 0 || c >= 95)
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continue;
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in_left = ((float)char_coords[c][0]) / 512.0f;
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in_top = ((float)char_coords[c][1] + 2) / 512.0f;
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in_right = ((float)char_coords[c][2]) / 512.0f;
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in_bottom = ((float)char_coords[c][3] - 2) / 512.0f;
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in_width = char_coords[c][2] - char_coords[c][0];
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in_height = char_coords[c][3] - char_coords[c][1];
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glBegin(GL_QUADS);
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glTexCoord2f(in_left, in_top);
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glVertex2i(x, y);
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glTexCoord2f(in_right, in_top);
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glVertex2i(x + in_width, y);
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glTexCoord2f(in_right, in_bottom);
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glVertex2i(x + in_width, y + in_height);
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glTexCoord2f(in_left, in_bottom);
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glVertex2i(x, y + in_height);
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glEnd();
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xtraverts += 4;
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x += in_width + 1;
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}
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}
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// also Don's code, so goes in here too :)
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void
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draw_envbox_aux(float s0, float t0, int x0, int y0, int z0, float s1, float t1,
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int x1, int y1, int z1, float s2, float t2, int x2, int y2, int z2,
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float s3, float t3, int x3, int y3, int z3, int texture)
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{
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glBindTexture(GL_TEXTURE_2D, texture);
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glBegin(GL_QUADS);
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glTexCoord2f(s3, t3);
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glVertex3d(x3, y3, z3);
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glTexCoord2f(s2, t2);
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glVertex3d(x2, y2, z2);
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glTexCoord2f(s1, t1);
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glVertex3d(x1, y1, z1);
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glTexCoord2f(s0, t0);
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glVertex3d(x0, y0, z0);
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glEnd();
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xtraverts += 4;
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}
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void
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draw_envbox(int t, int w)
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{
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glDepthMask(GL_FALSE);
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draw_envbox_aux(1.0f, 1.0f, -w, -w, w, 0.0f, 1.0f, w, -w, w, 0.0f, 0.0f,
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w, -w, -w, 1.0f, 0.0f, -w, -w, -w, t);
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draw_envbox_aux(1.0f, 1.0f, +w, w, w, 0.0f, 1.0f, -w, w, w, 0.0f, 0.0f,
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-w, w, -w, 1.0f, 0.0f, +w, w, -w, t + 1);
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draw_envbox_aux(0.0f, 0.0f, -w, -w, -w, 1.0f, 0.0f, -w, w, -w, 1.0f,
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1.0f, -w, w, w, 0.0f, 1.0f, -w, -w, w, t + 2);
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draw_envbox_aux(1.0f, 1.0f, +w, -w, w, 0.0f, 1.0f, +w, w, w, 0.0f, 0.0f,
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+w, w, -w, 1.0f, 0.0f, +w, -w, -w, t + 3);
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draw_envbox_aux(0.0f, 1.0f, -w, w, w, 0.0f, 0.0f, +w, w, w, 1.0f, 0.0f,
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+w, -w, w, 1.0f, 1.0f, -w, -w, w, t + 4);
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draw_envbox_aux(0.0f, 1.0f, +w, w, -w, 0.0f, 0.0f, -w, w, -w, 1.0f,
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0.0f, -w, -w, -w, 1.0f, 1.0f, +w, -w, -w, t + 5);
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glDepthMask(GL_TRUE);
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}
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