diff options
Diffstat (limited to 'src/post/goom/gfontlib.c')
| -rwxr-xr-x | src/post/goom/gfontlib.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/post/goom/gfontlib.c b/src/post/goom/gfontlib.c new file mode 100755 index 000000000..efae26fc5 --- /dev/null +++ b/src/post/goom/gfontlib.c @@ -0,0 +1,226 @@ +#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 () { + 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++; + } +} |