int font_load(font *font, const char* filename, unsigned int size) {
sd_rgba_image *img;
sd_font *sdfont;
int pixsize;
texture *tex;
// Find vertical size
switch(size) {
case FONT_BIG: pixsize = 8; break;
case FONT_SMALL: pixsize = 6; break;
default:
return 1;
}
// Open font file
sdfont = sd_font_create();
if(sd_font_load(sdfont, filename, pixsize)) {
sd_font_delete(sdfont);
return 2;
}
// Load into textures
img = sd_rgba_image_create(pixsize, pixsize);
for(int i = 0; i < 224; i++) {
tex = malloc(sizeof(texture));
sd_font_decode(sdfont, img, i, 0xFF, 0xFF, 0xFF);
texture_create(tex);
texture_init(tex, img->data, img->w, img->h);
vector_append(&font->textures, &tex);
}
// Set font info vars
font->w = pixsize;
font->h = pixsize;
font->size = size;
// Free resources
sd_rgba_image_delete(img);
sd_font_delete(sdfont);
return 0;
}
int main(int argc, char* argv[]) {
// commandline argument parser options
struct arg_lit *help = arg_lit0("h", "help", "print this help and exit");
struct arg_lit *vers = arg_lit0("v", "version", "print version information and exit");
struct arg_file *file = arg_file1("f", "file", "<file>", "font file");
struct arg_int *fh = arg_int1("g", "height", "<value>", "font height in pixels (6 or 8)");
struct arg_str *text = arg_str0("t", "text", "<value>", "text to show");
struct arg_int *scale = arg_int0("s", "scale", "<value>", "scaling for the window");
struct arg_file *export = arg_file0("e", "export", "<file>", "Export the full font to a PNG file");
struct arg_lit *split = arg_lit0(NULL, "split", "Split to separate PNG files (set path in -e).");
struct arg_end *end = arg_end(20);
void* argtable[] = {help,vers,file,fh,text,scale,export,split,end};
const char* progname = "fonttool";
// Make sure everything got allocated
if(arg_nullcheck(argtable) != 0) {
printf("%s: insufficient memory\n", progname);
goto exit_0;
}
// Parse arguments
int nerrors = arg_parse(argc, argv, argtable);
// Handle help
if(help->count > 0) {
printf("Usage: %s", progname);
arg_print_syntax(stdout, argtable, "\n");
printf("\nArguments:\n");
arg_print_glossary(stdout, argtable, "%-25s %s\n");
goto exit_0;
}
// Handle version
if(vers->count > 0) {
printf("%s v0.1\n", progname);
printf("Command line One Must Fall 2097 Font file editor.\n");
printf("Source code is available at https://github.com/omf2097 under MIT license.\n");
printf("(C) 2013 Tuomas Virtanen\n");
goto exit_0;
}
// Handle errors
if(nerrors > 0) {
arg_print_errors(stdout, end, progname);
printf("Try '%s --help' for more information.\n", progname);
goto exit_0;
}
// Requite either export or text
if(export->count <= 0 && text->count <= 0) {
printf("Use either --export or --text arguments!\n");
goto exit_0;
}
// Font size
int _fs = fh->ival[0];
if(_fs < 6 || _fs > 8 || _fs == 7) {
printf("Only valid values for fontsize are 6 and 8.\n");
goto exit_0;
}
// Load fonts
sd_font font;
sd_font_create(&font);
int ret = sd_font_load(&font, file->filename[0], _fs);
if(ret != SD_SUCCESS) {
printf("Couldn't load small font file! Error [%d] %s.\n", ret, sd_get_error(ret));
goto exit_1;
}
// Export or display
if(export->count > 0) {
export_to(&font, export->filename[0], (split->count > 0));
} else {
int main(int argc, char* argv[]) {
// commandline argument parser options
struct arg_lit *help = arg_lit0("h", "help", "print this help and exit");
struct arg_lit *vers = arg_lit0("v", "version", "print version information and exit");
struct arg_file *file = arg_file1("f", "file", "<file>", "font file");
struct arg_int *fh = arg_int1("g", "height", "<value>", "font height in pixels (6 or 8)");
struct arg_str *text = arg_str1("t", "text", "<value>", "text to show");
struct arg_int *scale = arg_int0("s", "scale", "<value>", "scaling for the window");
struct arg_end *end = arg_end(20);
void* argtable[] = {help,vers,file,fh,text,scale,end};
const char* progname = "fonttool";
// Make sure everything got allocated
if(arg_nullcheck(argtable) != 0) {
printf("%s: insufficient memory\n", progname);
goto exit_0;
}
// Parse arguments
int nerrors = arg_parse(argc, argv, argtable);
// Handle help
if(help->count > 0) {
printf("Usage: %s", progname);
arg_print_syntax(stdout, argtable, "\n");
printf("\nArguments:\n");
arg_print_glossary(stdout, argtable, "%-25s %s\n");
goto exit_0;
}
// Handle version
if(vers->count > 0) {
printf("%s v0.1\n", progname);
printf("Command line One Must Fall 2097 Font file editor.\n");
printf("Source code is available at https://github.com/omf2097 under MIT license.\n");
printf("(C) 2013 Tuomas Virtanen\n");
goto exit_0;
}
// Handle errors
if(nerrors > 0) {
arg_print_errors(stdout, end, progname);
printf("Try '%s --help' for more information.\n", progname);
goto exit_0;
}
// Init SDL
SDL_Init(SDL_INIT_VIDEO);
// Scale
int _sc = 1;
if(scale->count > 0) {
_sc = scale->ival[0];
}
if(_sc > 4) _sc = 4;
if(_sc < 1) _sc = 1;
// Font size
int _fs = fh->ival[0];
if(_fs < 6 || _fs > 8 || _fs == 7) {
printf("Only valid values for fontsize are 6 and 8.\n");
goto exit_1;
}
// Load fonts
sd_font *font = sd_font_create();
if(sd_font_load(font, file->filename[0], _fs)) {
printf("Couldn't load small font file!\n");
goto exit_2;
}
// Create surface for font rendering
SDL_Surface *surface = 0;
if((surface = render_text(font, text->sval[0], 320)) == 0) {
printf("Failed to render text!\n");
goto exit_3;
}
// Init window
SDL_Window *window = SDL_CreateWindow(
"Fonttool v0.1",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
320 * _sc,
200 * _sc,
SDL_WINDOW_SHOWN
);
if (!window) {
printf("Could not create window: %s\n", SDL_GetError());
goto exit_3;
}
// Rects
SDL_Rect srcrect, dstrect;
srcrect.x = 0;
srcrect.y = 0;
srcrect.w = surface->w;
srcrect.h = surface->h;
dstrect.x = 0;
dstrect.y = 0;
dstrect.w = surface->w * _sc;
dstrect.h = surface->h * _sc;
// Run until windows closed.
SDL_Surface *window_surface = SDL_GetWindowSurface(window);
Uint32 tcolor = SDL_MapRGBA(window_surface->format, 0, 0, 0, 0);
SDL_Event e;
int run = 1;
while(run) {
if(SDL_PollEvent(&e)) {
if (e.type == SDL_QUIT) {
run = 0;
}
}
SDL_FillRect(window_surface, NULL, tcolor);
if(_sc == 1) {
SDL_BlitSurface(surface, &srcrect, window_surface, &dstrect);
} else {
SDL_SoftStretch(surface, &srcrect, window_surface, &dstrect);
}
SDL_UpdateWindowSurface(window);
SDL_Delay(10);
}
// Quit
SDL_DestroyWindow(window);
exit_3:
if(surface) SDL_FreeSurface(surface);
exit_2:
sd_font_delete(font);
exit_1:
SDL_Quit();
exit_0:
arg_freetable(argtable, sizeof(argtable)/sizeof(argtable[0]));
return 0;
}
