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#include "goom_config.h"
#include "gfontrle.c"
#include <string.h>
#include <stdlib.h>
static int ***font_chars;
static int *font_width;
static int *font_height;
static int ***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] =
(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] =
(((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 (guint32 * buf,int resolx,int resoly,
int x, int y,
const char *str, float charspace, int center) {
float fx = (float) x;
int fin = 0;
int ***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++)
{
unsigned int color = cur_font_chars[c][yy - ymin][xx - x];
unsigned int transparency = color & 0xff000000;
if (transparency)
{
if (transparency==0xff000000) buf[yy * resolx + xx] = color;
else
{
unsigned int back = buf[yy * resolx + xx];
unsigned int a1 = (color & 0xff000000) >> 24;
unsigned int a2 = 255 - a1;
buf[yy * resolx + xx] =
(((((color & 0x00ff0000) * a1) + ((back & 0x00ff0000) * a2)) & 0xff000000) >> 8) |
(((((color & 0x0000ff00) * a1) + ((back & 0x0000ff00) * a2)) & 0x00ff0000) >> 8) |
((((color & 0x000000ff) * a1) + ((back & 0x000000ff) * a2)) >> 8);
}
}
}
}
fx += cur_font_width[c] + charspace;
}
str++;
}
}
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