Merge TTF changes to fix off-by-one error.

This commit is contained in:
Michael R Sweet 2023-10-06 16:44:20 -04:00
parent 19c45871fa
commit 59959bf0e5
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2 changed files with 7 additions and 15 deletions

9
ttf.c
View File

@ -3,16 +3,12 @@
// //
// https://github.com/michaelrsweet/ttf // https://github.com/michaelrsweet/ttf
// //
// Copyright © 2018-2021 by Michael R Sweet. // Copyright © 2018-2023 by Michael R Sweet.
// //
// Licensed under Apache License v2.0. See the file "LICENSE" for more // Licensed under Apache License v2.0. See the file "LICENSE" for more
// information. // information.
// //
//
// Include necessary headers...
//
#ifdef _WIN32 #ifdef _WIN32
# define _CRT_SECURE_NO_WARNINGS # define _CRT_SECURE_NO_WARNINGS
#endif // _WIN32 #endif // _WIN32
@ -691,6 +687,9 @@ ttfGetExtents(
ch = *s++; ch = *s++;
} }
// Issue #1: Offset past ".notdef"...
ch ++;
// Find its width... // Find its width...
if ((widths = font->widths[ch / 256]) != NULL) if ((widths = font->widths[ch / 256]) != NULL)
{ {

13
ttf.h
View File

@ -3,7 +3,7 @@
// //
// https://github.com/michaelrsweet/ttf // https://github.com/michaelrsweet/ttf
// //
// Copyright © 2018-2021 by Michael R Sweet. // Copyright © 2018-2023 by Michael R Sweet.
// //
// Licensed under Apache License v2.0. See the file "LICENSE" for more // Licensed under Apache License v2.0. See the file "LICENSE" for more
// information. // information.
@ -11,17 +11,11 @@
#ifndef TTF_H #ifndef TTF_H
# define TTF_H # define TTF_H
//
// Include necessary headers...
//
# include <stdbool.h> # include <stdbool.h>
# include <sys/types.h> # include <sys/types.h>
# ifdef __cplusplus # ifdef __cplusplus
extern "C" { extern "C" {
# endif // # endif // __cplusplus
// //
@ -89,8 +83,8 @@ extern ttf_t *ttfCreate(const char *filename, size_t idx, ttf_err_cb_t err_cb,
extern void ttfDelete(ttf_t *font); extern void ttfDelete(ttf_t *font);
extern int ttfGetAscent(ttf_t *font); extern int ttfGetAscent(ttf_t *font);
extern ttf_rect_t *ttfGetBounds(ttf_t *font, ttf_rect_t *bounds); extern ttf_rect_t *ttfGetBounds(ttf_t *font, ttf_rect_t *bounds);
extern int ttfGetCapHeight(ttf_t *font);
extern const int *ttfGetCMap(ttf_t *font, size_t *num_cmap); 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 const char *ttfGetCopyright(ttf_t *font);
extern int ttfGetDescent(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 ttf_rect_t *ttfGetExtents(ttf_t *font, float size, const char *s, ttf_rect_t *extents);
@ -112,5 +106,4 @@ extern bool ttfIsFixedPitch(ttf_t *font);
# ifdef __cplusplus # ifdef __cplusplus
} }
# endif // __cplusplus # endif // __cplusplus
#endif // !TTF_H #endif // !TTF_H