tuxpaint-pencil-sharpener/src/fonts.h
2006-02-20 06:14:12 +00:00

134 lines
3.7 KiB
C

/*
fonts.h
*/
#ifndef FONTS_H
#define FONTS_H
// plan to rip this out as soon as it is considered stable
//#define THREADED_FONTS
#define FORKED_FONTS
#ifdef WIN32
#undef FORKED_FONTS
#endif
#include "SDL.h"
#include "SDL_ttf.h"
#include "compiler.h"
#ifndef FORKED_FONTS
#include "SDL_thread.h"
#include "SDL_mutex.h"
#else
/* This shouldn't really be here :-)
* Move into 'fonts.c' and the code in 'tuxpaint.c'
* that uses this lot should be put into 'fonts.c' as well.
*/
#define SDL_CreateThread(fn,vp) (void*)(long)(fn(vp))
#define SDL_WaitThread(tid,rcp) do{(void)tid;(void)rcp;}while(0)
#define SDL_Thread int
#define SDL_mutex int
#define SDL_CreateMutex() 0 // creates in released state
#define SDL_DestroyMutex(lock)
#define SDL_mutexP(lock) // take lock
#define SDL_mutexV(lock) // release lock
#endif
extern SDL_Thread *font_thread;
extern volatile long font_thread_done, font_thread_aborted;
extern volatile long waiting_for_fonts;
extern int font_scanner_pid;
extern int font_socket_fd;
extern int no_system_fonts;
extern int was_bad_font;
TTF_Font *BUGFIX_TTF_OpenFont206(const char * const file, int ptsize);
#define TTF_OpenFont BUGFIX_TTF_OpenFont206
TTF_Font *try_alternate_font(int size);
TTF_Font *load_locale_font(TTF_Font *fallback, int size);
int load_user_fonts(SDL_Surface * screen, void *vp);
#ifdef FORKED_FONTS
void reliable_write(int fd, const void *buf, size_t count);
void reliable_read(int fd, void *buf, size_t count);
void run_font_scanner(SDL_Surface * screen);
void receive_some_font_info(SDL_Surface * screen);
#endif
//////////////////////////////////////////////////////////////////////
// font stuff
// example from a Debian box with MS fonts:
// start with 232 files
// remove "Cursor", "Webdings", "Dingbats", "Standard Symbols L"
// split "Condensed" faces out into own family
// group by family
// end up with 34 user choices
extern int text_state;
extern unsigned text_size;
// nice progression (alternating 33% and 25%) 9 12 18 24 36 48 72 96 144 192
// commonly hinted sizes seem to be: 9, 10, 12, 14, 18, 20 (less so), 24
// reasonable: 9,12,18... and 10,14,18...
static int text_sizes[] = {9, 12, 18, 24, 36, 48,
56, 64, 96, 112, 128, 160}; // point sizes
#define MIN_TEXT_SIZE 0u
#define MAX_TEXT_SIZE (sizeof text_sizes / sizeof text_sizes[0] - 1)
// for sorting through the font files at startup
typedef struct style_info {
char *filename;
char *directory;
char *family; // name like "FooCorp Thunderstruck"
char *style; // junk like "Oblique Demi-Bold"
int italic;
int boldness;
int score;
int truetype; // Is it? (TrueType gets priority)
} style_info;
// user's notion of a font
typedef struct family_info {
char *directory;
char *family;
char *filename[4];
TTF_Font *handle;
int score;
} family_info;
extern TTF_Font * medium_font, * small_font, * large_font, * locale_font;
extern family_info **user_font_families;
extern int num_font_families;
extern int num_font_families_max;
extern style_info **user_font_styles;
extern int num_font_styles;
extern int num_font_styles_max;
int compar_fontgroup(const void *v1, const void *v2);
int compar_fontkiller(const void *v1, const void *v2);
int compar_fontscore(const void *v1, const void *v2);
void parse_font_style(style_info *si);
void groupfonts_range(style_info **base, int count);
void dupe_markdown_range(family_info **base, int count);
void groupfonts(void);
TTF_Font *getfonthandle(int desire);
void loadfonts(SDL_Surface * screen, const char * const dir);
int do_surfcmp(const SDL_Surface *const *const v1, const SDL_Surface *const *const v2);
int surfcmp(const void *s1, const void *s2);
int charset_works(TTF_Font *font, const char *s);
#endif