mirror of
https://github.com/michaelrsweet/pdfio.git
synced 2024-12-26 05:18:21 +01:00
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
//
|
|
// Header file for TTF library
|
|
//
|
|
// https://github.com/michaelrsweet/ttf
|
|
//
|
|
// Copyright © 2018-2024 by Michael R Sweet.
|
|
//
|
|
// Licensed under Apache License v2.0. See the file "LICENSE" for more
|
|
// information.
|
|
//
|
|
|
|
#ifndef TTF_H
|
|
# define TTF_H
|
|
# include <stddef.h>
|
|
# include <stdbool.h>
|
|
# include <sys/types.h>
|
|
# ifdef __cplusplus
|
|
extern "C" {
|
|
# endif // __cplusplus
|
|
|
|
|
|
//
|
|
// Types...
|
|
//
|
|
|
|
typedef struct _ttf_s ttf_t; // Font object
|
|
|
|
typedef void (*ttf_err_cb_t)(void *data, const char *message);
|
|
// Font error callback
|
|
|
|
typedef enum ttf_stretch_e // Font stretch
|
|
{
|
|
TTF_STRETCH_NORMAL, // normal
|
|
TTF_STRETCH_ULTRA_CONDENSED, // ultra-condensed
|
|
TTF_STRETCH_EXTRA_CONDENSED, // extra-condensed
|
|
TTF_STRETCH_CONDENSED, // condensed
|
|
TTF_STRETCH_SEMI_CONDENSED, // semi-condensed
|
|
TTF_STRETCH_SEMI_EXPANDED, // semi-expanded
|
|
TTF_STRETCH_EXPANDED, // expanded
|
|
TTF_STRETCH_EXTRA_EXPANDED, // extra-expanded
|
|
TTF_STRETCH_ULTRA_EXPANDED // ultra-expanded
|
|
} ttf_stretch_t;
|
|
|
|
typedef enum ttf_style_e // Font style
|
|
{
|
|
TTF_STYLE_NORMAL, // Normal font
|
|
TTF_STYLE_ITALIC, // Italic font
|
|
TTF_STYLE_OBLIQUE // Oblique (angled) font
|
|
} ttf_style_t;
|
|
|
|
typedef enum ttf_variant_e // Font variant
|
|
{
|
|
TTF_VARIANT_NORMAL, // Normal font
|
|
TTF_VARIANT_SMALL_CAPS // Font whose lowercase letters are small capitals
|
|
} ttf_variant_t;
|
|
|
|
typedef enum ttf_weight_e // Font weight
|
|
{
|
|
TTF_WEIGHT_100 = 100, // Weight 100 (Thin)
|
|
TTF_WEIGHT_200 = 200, // Weight 200 (Extra/Ultra-Light)
|
|
TTF_WEIGHT_300 = 300, // Weight 300 (Light)
|
|
TTF_WEIGHT_400 = 400, // Weight 400 (Normal/Regular)
|
|
TTF_WEIGHT_500 = 500, // Weight 500 (Medium)
|
|
TTF_WEIGHT_600 = 600, // Weight 600 (Semi/Demi-Bold)
|
|
TTF_WEIGHT_700 = 700, // Weight 700 (Bold)
|
|
TTF_WEIGHT_800 = 800, // Weight 800 (Extra/Ultra-Bold)
|
|
TTF_WEIGHT_900 = 900 // Weight 900 (Black/Heavy)
|
|
} ttf_weight_t;
|
|
|
|
typedef struct ttf_rect_s // Bounding rectangle
|
|
{
|
|
float left; // Left offset
|
|
float top; // Top offset
|
|
float right; // Right offset
|
|
float bottom; // Bottom offset
|
|
} ttf_rect_t;
|
|
|
|
|
|
//
|
|
// Functions...
|
|
//
|
|
|
|
extern ttf_t *ttfCreate(const char *filename, size_t idx, ttf_err_cb_t err_cb, void *err_data);
|
|
extern void ttfDelete(ttf_t *font);
|
|
extern int ttfGetAscent(ttf_t *font);
|
|
extern ttf_rect_t *ttfGetBounds(ttf_t *font, ttf_rect_t *bounds);
|
|
extern const int *ttfGetCMap(ttf_t *font, size_t *num_cmap);
|
|
extern int ttfGetCapHeight(ttf_t *font);
|
|
extern const char *ttfGetCopyright(ttf_t *font);
|
|
extern int ttfGetDescent(ttf_t *font);
|
|
extern ttf_rect_t *ttfGetExtents(ttf_t *font, float size, const char *s, ttf_rect_t *extents);
|
|
extern const char *ttfGetFamily(ttf_t *font);
|
|
extern float ttfGetItalicAngle(ttf_t *font);
|
|
extern int ttfGetMaxChar(ttf_t *font);
|
|
extern int ttfGetMinChar(ttf_t *font);
|
|
extern size_t ttfGetNumFonts(ttf_t *font);
|
|
extern const char *ttfGetPostScriptName(ttf_t *font);
|
|
extern ttf_stretch_t ttfGetStretch(ttf_t *font);
|
|
extern ttf_style_t ttfGetStyle(ttf_t *font);
|
|
extern const char *ttfGetVersion(ttf_t *font);
|
|
extern int ttfGetWidth(ttf_t *font, int ch);
|
|
extern ttf_weight_t ttfGetWeight(ttf_t *font);
|
|
extern int ttfGetXHeight(ttf_t *font);
|
|
extern bool ttfIsFixedPitch(ttf_t *font);
|
|
|
|
|
|
# ifdef __cplusplus
|
|
}
|
|
# endif // __cplusplus
|
|
#endif // !TTF_H
|