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#include "goom_config.h"
#include "gfontrle.h"
#include "gfontlib.h"
#include <string.h>
#include <stdlib.h>
static Pixel ***font_chars;
static int *font_width;
static int *font_height;
static Pixel ***small_font_chars;
static int *small_font_width;
static int *small_font_height;
void
gfont_load (void)
{
unsigned char *gfont;
unsigned int i = 0, j = 0;
unsigned int nba = 0;
unsigned int current = 32;
int *font_pos;
/* decompress le rle */
gfont = malloc (the_font.width * the_font.height * the_font.bytes_per_pixel);
while (i < the_font.rle_size) {
unsigned char c = the_font.rle_pixel[i++];
if (c == 0) {
unsigned int nb = the_font.rle_pixel[i++];
while (nb--)
gfont[j++] = 0;
} else
gfont[j++] = c;
}
/* determiner les positions de chaque lettre. */
font_height = calloc (256, sizeof (int));
small_font_height = calloc (256, sizeof (int));
font_width = calloc (256, sizeof (int));
small_font_width = calloc (256, sizeof (int));
font_chars = calloc (256, sizeof (int **));
small_font_chars = calloc (256, sizeof (int **));
font_pos = calloc (256, sizeof (int));
for (i = 0; i < the_font.width; i++) {
unsigned char a = gfont[i * 4 + 3];
if (a)
nba++;
else
nba = 0;
if (nba == 2) {
font_width[current] = i - font_pos[current];
small_font_width[current] = font_width[current] / 2;
font_pos[++current] = i;
font_height[current] = the_font.height - 2;
small_font_height[current] = font_height[current] / 2;
}
}
font_pos[current] = 0;
font_height[current] = 0;
small_font_height[current] = 0;
/* charger les lettres et convertir au format de la machine */
for (i = 33; i < current; i++) {
int x;
int y;
font_chars[i] = malloc (font_height[i] * sizeof (int *));
small_font_chars[i] = malloc (font_height[i] * sizeof (int *) / 2);
for (y = 0; y < font_height[i]; y++) {
font_chars[i][y] = malloc (font_width[i] * sizeof (int));
for (x = 0; x < font_width[i]; x++) {
unsigned int r, g, b, a;
r = gfont[(y + 2) * (the_font.width * 4) + (x * 4 + font_pos[i] * 4)];
g = gfont[(y + 2) * (the_font.width * 4) + (x * 4 + font_pos[i] * 4 +
1)];
b = gfont[(y + 2) * (the_font.width * 4) + (x * 4 + font_pos[i] * 4 +
2)];
a = gfont[(y + 2) * (the_font.width * 4) + (x * 4 + font_pos[i] * 4 +
3)];
font_chars[i][y][x].val =
(r << (ROUGE * 8)) | (g << (VERT * 8)) | (b << (BLEU *
8)) | (a << (ALPHA * 8));
}
}
for (y = 0; y < font_height[i] / 2; y++) {
small_font_chars[i][y] = malloc (font_width[i] * sizeof (int) / 2);
for (x = 0; x < font_width[i] / 2; x++) {
unsigned int r1, g1, b1, a1, r2, g2, b2, a2, r3, g3, b3, a3, r4, g4, b4,
a4;
r1 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4)];
g1 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 1)];
b1 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 2)];
a1 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 3)];
r2 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 4)];
g2 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 5)];
b2 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 6)];
a2 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 7)];
r3 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4)];
g3 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 1)];
b3 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 2)];
a3 = gfont[(2 * y + 3) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 3)];
r4 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 4)];
g4 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 5)];
b4 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 6)];
a4 = gfont[2 * (y + 1) * (the_font.width * 4) + (x * 8 +
font_pos[i] * 4 + 7)];
small_font_chars[i][y][x].val =
(((r1 + r2 + r3 + r4) >> 2) << (ROUGE * 8)) | (((g1 + g2 + g3 +
g4) >> 2) << (VERT * 8)) | (((b1 + b2 + b3 +
b4) >> 2) << (BLEU * 8)) | (((a1 + a2 + a3 +
a4) >> 2) << (ALPHA * 8));
}
}
}
/* definir les lettres restantes */
for (i = 0; i < 256; i++) {
if (font_chars[i] == 0) {
font_chars[i] = font_chars[42];
small_font_chars[i] = small_font_chars[42];
font_width[i] = font_width[42];
font_pos[i] = font_pos[42];
font_height[i] = font_height[42];
small_font_width[i] = small_font_width[42];
small_font_height[i] = small_font_height[42];
}
}
font_width[32] = (the_font.height / 2) - 1;
small_font_width[32] = font_width[32] / 2;
font_chars[32] = 0;
small_font_chars[32] = 0;
}
void
goom_draw_text (Pixel * buf, int resolx, int resoly,
int x, int y, const char *str, float charspace, int center)
{
float fx = (float) x;
int fin = 0;
Pixel ***cur_font_chars;
int *cur_font_width;
int *cur_font_height;
if (resolx > 320) {
/* printf("use big\n"); */
cur_font_chars = font_chars;
cur_font_width = font_width;
cur_font_height = font_height;
} else {
/* printf ("use small\n"); */
cur_font_chars = small_font_chars;
cur_font_width = small_font_width;
cur_font_height = small_font_height;
}
if (cur_font_chars == NULL)
return;
if (center) {
unsigned char *tmp = (unsigned char *) str;
float lg = -charspace;
while (*tmp != '\0')
lg += cur_font_width[*(tmp++)] + charspace;
fx -= lg / 2;
}
while (!fin) {
unsigned char c = *str;
x = (int) fx;
if (c == '\0')
fin = 1;
else if (cur_font_chars[c] == 0) {
fx += cur_font_width[c] + charspace;
} else {
int xx, yy;
int xmin = x;
int xmax = x + cur_font_width[c];
int ymin = y - cur_font_height[c];
int ymax = y;
yy = ymin;
if (xmin < 0)
xmin = 0;
if (xmin >= resolx - 1)
return;
if (xmax >= (int) resolx)
xmax = resolx - 1;
if (yy < 0)
yy = 0;
if (yy <= (int) resoly - 1) {
if (ymax >= (int) resoly - 1)
ymax = resoly - 1;
for (; yy < ymax; yy++)
for (xx = xmin; xx < xmax; xx++) {
Pixel color = cur_font_chars[c][yy - ymin][xx - x];
Pixel transparency;
transparency.val = color.val & A_CHANNEL;
if (transparency.val) {
if (transparency.val == A_CHANNEL)
buf[yy * resolx + xx] = color;
else {
Pixel back = buf[yy * resolx + xx];
unsigned int a1 = color.channels.a;
unsigned int a2 = 255 - a1;
buf[yy * resolx + xx].channels.r =
(unsigned char) ((((unsigned int) color.channels.r * a1) +
((unsigned int) back.channels.r * a2)) >> 8);
buf[yy * resolx + xx].channels.g =
(unsigned char) ((((unsigned int) color.channels.g * a1) +
((unsigned int) back.channels.g * a2)) >> 8);
buf[yy * resolx + xx].channels.b =
(unsigned char) ((((unsigned int) color.channels.b * a1) +
((unsigned int) back.channels.b * a2)) >> 8);
}
}
}
}
fx += cur_font_width[c] + charspace;
}
str++;
}
}
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