void intro_csv()
{
int i;
int sn;
int r, g, b;
/* define those as static, or the compiler optimizes the stack a bit too much */
static struct tmu_td tmu_task;
static struct tmu_vertex src_vertices[TMU_MESH_MAXSIZE][TMU_MESH_MAXSIZE];
static struct tmu_vertex dst_vertices[TMU_MESH_MAXSIZE][TMU_MESH_MAXSIZE];
tmu_task.flags = 0;
tmu_task.hmeshlast = HMESHLAST;
tmu_task.vmeshlast = VMESHLAST;
tmu_task.brightness = 62;
tmu_task.chromakey = 0;
tmu_task.srcmesh = &src_vertices[0][0];
tmu_task.srchres = vga_hres;
tmu_task.srcvres = vga_vres;
tmu_task.dstmesh = &dst_vertices[0][0];
tmu_task.dsthres = vga_hres;
tmu_task.dstvres = vga_vres;
tmu_task.profile = 0;
tmu_task.callback = tmu_complete;
tmu_task.user = NULL;
make_mesh(&src_vertices[0][0], &dst_vertices[0][0], 100000);
sn = 0;
for(i=0;i<DURATION;i++) {
tmu_task.srcfbuf = vga_frontbuffer;
tmu_task.dstfbuf = vga_backbuffer;
if(i > (DURATION/3))
make_mesh(&src_vertices[0][0], &dst_vertices[0][0], 100000-(4000*(i-DURATION/3)/DURATION));
if(i > (DURATION/2)) {
r = 2*(DURATION-(i-DURATION/2))/DURATION;
g = 63*(DURATION-(i-DURATION/2))/DURATION;
b = 0;
} else {
r = 2;
g = 63;
b = 0;
}
tmu_wait = 0;
tmu_submit_task(&tmu_task);
while(!tmu_wait);
if((rand() % 4) == 0) {
draw_text((rand() % vga_hres) + 1 , (rand() % vga_vres) + 2, MAKERGB565(r, g, b), csv_strings[sn]);
sn++;
if(sn == NSTRINGS) sn = 0;
flush_bridge_cache();
}
vga_swap_buffers();
}
for(i=0;i<POST;i++) {
tmu_task.srcfbuf = vga_frontbuffer;
tmu_task.dstfbuf = vga_backbuffer;
tmu_wait = 0;
tmu_submit_task(&tmu_task);
while(!tmu_wait);
vga_swap_buffers();
}
}
int main(int argc, char *argv[])
{
char *finname;
char *foutname;
char *c;
FILE *fin, *fout;
gdImagePtr im;
int x, y;
if(argc != 2) {
fprintf(stderr, "Usage: %s <file.png>\n", argv[0]);
return 1;
}
finname = argv[1];
foutname = strdup(finname);
if(!foutname) {
perror("strdup");
return 1;
}
c = strrchr(foutname, '.');
if(!c || strcasecmp(c, ".png")) {
fprintf(stderr, "Incorrect filename - must end with '.png'\n");
free(foutname);
return 1;
}
c[1] = 'r'; c[2] = 'a'; c[3] = 'w';
fin = fopen(finname, "rb");
if(!fin) {
perror("Unable to open input file");
free(foutname);
return 1;
}
fout = fopen(foutname, "wb");
if(!fout) {
perror("Unable to open output file");
free(foutname);
return 1;
}
im = gdImageCreateFromPng(fin);
if(!im) {
fprintf(stderr, "Unable to read PNG format\n");
return 1;
}
for(y=0;y<gdImageSY(im);y++)
for(x=0;x<gdImageSX(im);x++) {
int c;
unsigned short int o;
c = gdImageGetPixel(im, x, y);
o = MAKERGB565(gdImageRed(im, c), gdImageGreen(im, c), gdImageBlue(im, c));
o = HTOBE(o);
fwrite(&o, 2, 1, fout);
}
fclose(fin);
if(fclose(fout) != 0) {
perror("fclose");
gdImageDestroy(im);
free(foutname);
return 1;
}
gdImageDestroy(im);
free(foutname);
return 0;
}
