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tools/libtxt/: make_font takes ownership of the image

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This way, we don't need to track/free the image separately.
This commit is contained in:
Werner Almesberger 2012-06-30 11:43:13 -03:00
parent 67a3ecc798
commit 3ef4fb3ca2
2 changed files with 7 additions and 6 deletions
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11
tools/libtxt/font.c
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@ -40,7 +40,7 @@ struct image {
};
struct font {
const struct image *img;
struct image *img;
struct sym sym[CHARS];
};
@ -143,7 +143,7 @@ struct image *load_image(const char *name, const char **error)
if (err) {
if (error)
*error = err;
free(img);
free_image(img);
return NULL;
}
return img;
@ -216,7 +216,7 @@ static const char *analyze_font(struct font *font)
}
struct font *make_font(const struct image *img, const char **error)
struct font *make_font(struct image *img, const char **error)
{
struct font *font;
const char *err;
@ -229,7 +229,7 @@ struct font *make_font(const struct image *img, const char **error)
if (err) {
if (error)
*error = err;
free(font);
free_font(font);
return NULL;
}
return font;
@ -238,6 +238,7 @@ struct font *make_font(const struct image *img, const char **error)
void free_font(struct font *font)
{
free_image(font->img);
free(font);
}
@ -300,7 +301,7 @@ int char_height(const struct font *font, char c)
int main(int argc, char **argv)
{
struct font *font;
const struct image *img;
struct image *img;
const char *error;
uint8_t canvas[W*H/8] = { 0 };
char *s;

2
tools/libtxt/libtxt.h
View File

@ -53,7 +53,7 @@ struct edit {
struct image *load_image(const char *name, const char **error);
void free_image(struct image *img);
struct font *make_font(const struct image *img, const char **error);
struct font *make_font(struct image *img, const char **error);
void free_font(struct font *font);
int draw_char(void *canvas, int width, int height,