76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
#include "main.h"
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#include "font.h"
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#include "glapi.h"
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#include <string.h>
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Texture *fonttexture;
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void drawChar(float x, float y, char ch, float size) {
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fonttexture->enable();
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int tx = (ch & 15) * 64;
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int ty = (ch >> 4) * 64;
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float w = size, h = size * 4 / 3;
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glEnable(GL_BLEND);
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
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glBegin(GL_QUADS);
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glTexCoord2f((tx) / 1024.0, (ty) / 1024.0);
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glVertex2f(x, y);
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glTexCoord2f((tx) / 1024.0, (ty + 64) / 1024.0);
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glVertex2f(x, y + h);
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glTexCoord2f((tx + 64) / 1024.0, (ty + 64) / 1024.0);
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glVertex2f(x + w, y + h);
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glTexCoord2f((tx + 64) / 1024.0, (ty) / 1024.0);
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glVertex2f(x + w, y);
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glEnd();
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fonttexture->disable();
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}
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float letterwidth[256] = {
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.2, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.45, 0.2, 0.5, 0.6, 0.5, 0.6, 0.6,
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0.65, 0.65, 0.6, 0.65, 0.6, 0.6, 0.2, 1.0, 1.0, 1.0, 1.0, 0.5, 1.0,
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0.7, 0.6, 0.7, 0.7, 0.65, 0.6, 0.7, 0.8, 0.6, 0.7, 0.7, 0.6, 0.9,
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0.85, 0.8, 0.6, 0.9, 0.7, 0.7, 0.7, 0.7, 0.7, 1.0, 0.8, 0.7, 0.8,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.6, 0.6, 0.6, 0.6, 0.6, 0.5, 0.6,
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0.6, 0.2, 0.4, 0.6, 0.2, 0.8, 0.5, 0.55, 0.55, 0.55, 0.5, 0.55, 0.55,
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0.55, 0.6, 0.8, 0.6, 0.6, 0.6, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
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void print(float x, float y, char *text, float size) {
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int i;
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int textlength = strlen(text);
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float px = x;
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float py = y;
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for (i = 0; i < textlength; i++) {
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unsigned char ch = text[i];
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if (ch == '\n') {
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px = x;
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py += size * 1.2;
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} else {
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drawChar(px, py, ch, size);
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px += size * letterwidth[ch];
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}
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}
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}
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