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Sync libass with r28935 from MPlayer.

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Originally committed to SVN as r2761.
This commit is contained in:
Amar Takhar 2009-03-12 03:46:44 +00:00
parent a9180cfcf7
commit 8b21bd2b9f
13 changed files with 360 additions and 304 deletions
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4
aegisub/libass/ass.c
View file

@ -347,6 +347,8 @@ void process_force_style(ass_track_t* track) {
track->Timer = atof(token);
else if(!strcasecmp(*fs, "WrapStyle"))
track->WrapStyle = atoi(token);
else if(!strcasecmp(*fs, "ScaledBorderAndShadow"))
track->ScaledBorderAndShadow = parse_bool(token);
dt = strrchr(*fs, '.');
if (dt) {
@ -520,6 +522,8 @@ static int process_info_line(ass_track_t* track, char *str)
track->Timer = atof(str + 6);
} else if (!strncmp(str,"WrapStyle:", 10)) {
track->WrapStyle = atoi(str + 10);
} else if (!strncmp(str, "ScaledBorderAndShadow:", 22)) {
track->ScaledBorderAndShadow = parse_bool(str + 22);
}
return 0;
}

66
aegisub/libass/ass_bitmap.c
View file

@ -214,6 +214,7 @@ static bitmap_t* glyph_to_bitmap_internal(FT_Glyph glyph, int bord)
dst += bm->w;
}
FT_Done_Glyph(glyph);
return bm;
}
@ -255,56 +256,33 @@ static bitmap_t* fix_outline_and_shadow(bitmap_t* bm_g, bitmap_t* bm_o)
}
/**
* \brief Blur with [1,2,1] kernel
* This simple blur is exactly the same as the one employed by vsfilter.
* In addition, it's slightly faster than gaussian blur.
* \brief Blur with [[1,2,1]. [2,4,2], [1,2,1]] kernel
* This blur is the same as the one employed by vsfilter.
*/
static void be_blur(unsigned char *buf, ass_be_priv_t* priv, int w, int h) {
static void be_blur(unsigned char *buf, int w, int h) {
unsigned int x, y;
unsigned int p;
unsigned char *tmp_buf = priv->buf;
const int wh = w*h;
unsigned int old_sum, new_sum;
if (priv->size < wh) {
priv->buf = realloc(priv->buf, wh);
priv->size = wh;
tmp_buf = priv->buf;
for (y=0; y<h; y++) {
old_sum = 2 * buf[y*w];
for (x=0; x<w-1; x++) {
new_sum = buf[y*w+x] + buf[y*w+x+1];
buf[y*w+x] = (old_sum + new_sum) >> 2;
old_sum = new_sum;
}
}
memset(tmp_buf, 0, wh);
for (y=0; y<h; y++)
for (x=1; x<w-1; x++) {
p = buf[y*w+x-1];
p += 2 * buf[y*w+x];
p += buf[y*w+x+1];
p = p >> 2;
tmp_buf[y*w+x] = p;
}
for (x=0; x<w; x++)
for (y=1; y<h-1; y++) {
p = tmp_buf[((y-1)*w+x)];
p += 2 * tmp_buf[y*w+x];
p += tmp_buf[((y+1)*w+x)];
p = p >> 2;
buf[y*w+x] = p;
for (x=0; x<w; x++) {
old_sum = 2 * buf[x];
for (y=0; y<h-1; y++) {
new_sum = buf[y*w+x] + buf[(y+1)*w+x];
buf[y*w+x] = (old_sum + new_sum) >> 2;
old_sum = new_sum;
}
}
}
ass_be_priv_t* ass_be_init(void) {
ass_be_priv_t* priv;
priv = calloc(1, sizeof(ass_be_priv_t));
return priv;
}
void ass_be_done(ass_be_priv_t* priv) {
if (priv->buf)
free(priv->buf);
free(priv);
}
int glyph_to_bitmap(ass_be_priv_t* priv_be, ass_synth_priv_t* priv_blur,
int glyph_to_bitmap(ass_synth_priv_t* priv_blur,
FT_Glyph glyph, FT_Glyph outline_glyph, bitmap_t** bm_g,
bitmap_t** bm_o, bitmap_t** bm_s, int be, double blur_radius)
{
@ -335,9 +313,9 @@ int glyph_to_bitmap(ass_be_priv_t* priv_be, ass_synth_priv_t* priv_blur,
if (be) {
while (be--) {
if (*bm_o)
be_blur((*bm_o)->buffer, priv_be, (*bm_o)->w, (*bm_o)->h);
be_blur((*bm_o)->buffer, (*bm_o)->w, (*bm_o)->h);
else
be_blur((*bm_g)->buffer, priv_be, (*bm_g)->w, (*bm_g)->h);
be_blur((*bm_g)->buffer, (*bm_g)->w, (*bm_g)->h);
}
} else {
if (blur_radius > 0.0) {

9
aegisub/libass/ass_bitmap.h
View file

@ -28,13 +28,6 @@
typedef struct ass_synth_priv_s ass_synth_priv_t;
typedef struct ass_be_priv_s {
int size;
unsigned char *buf;
} ass_be_priv_t;
ass_be_priv_t* ass_be_init(void);
void ass_be_done(ass_be_priv_t* priv);
ass_synth_priv_t* ass_synth_init(double);
void ass_synth_done(ass_synth_priv_t* priv);
@ -53,7 +46,7 @@ typedef struct bitmap_s {
* \param bm_g out: pointer to the bitmap of glyph shadow is returned here
* \param be 1 = produces blurred bitmaps, 0 = normal bitmaps
*/
int glyph_to_bitmap(ass_be_priv_t* priv_be, ass_synth_priv_t* priv_blur, FT_Glyph glyph, FT_Glyph outline_glyph, bitmap_t** bm_g, bitmap_t** bm_o, bitmap_t** bm_s, int be, double blur_radius);
int glyph_to_bitmap(ass_synth_priv_t* priv_blur, FT_Glyph glyph, FT_Glyph outline_glyph, bitmap_t** bm_g, bitmap_t** bm_o, bitmap_t** bm_s, int be, double blur_radius);
void ass_free_bitmap(bitmap_t* bm);

52
aegisub/libass/ass_cache.c
View file

@ -192,6 +192,8 @@ static int font_compare(void* key1, void* key2, size_t key_size) {
return 0;
if (a->italic != b->italic)
return 0;
if (a->treat_family_as_pattern != b->treat_family_as_pattern)
return 0;
return 1;
}
@ -324,3 +326,53 @@ void ass_glyph_cache_reset(void)
ass_glyph_cache_done();
ass_glyph_cache_init();
}
//---------------------------------
// composite cache
hashmap_t* composite_cache;
static void composite_hash_dtor(void* key, size_t key_size, void* value, size_t value_size)
{
composite_hash_val_t* v = value;
free(v->a);
free(v->b);
free(key);
free(value);
}
void* cache_add_composite(composite_hash_key_t* key, composite_hash_val_t* val)
{
return hashmap_insert(composite_cache, key, val);
}
/**
* \brief Get a composite bitmap from composite cache.
* \param key hash key
* \return requested hash val or 0 if not found
*/
composite_hash_val_t* cache_find_composite(composite_hash_key_t* key)
{
return hashmap_find(composite_cache, key);
}
void ass_composite_cache_init(void)
{
composite_cache = hashmap_init(sizeof(composite_hash_key_t),
sizeof(composite_hash_val_t),
0xFFFF + 13,
composite_hash_dtor, NULL, NULL);
}
void ass_composite_cache_done(void)
{
hashmap_done(composite_cache);
}
void ass_composite_cache_reset(void)
{
ass_composite_cache_done();
ass_composite_cache_init();
}

21
aegisub/libass/ass_cache.h
View file

@ -65,6 +65,27 @@ bitmap_hash_val_t* cache_find_bitmap(bitmap_hash_key_t* key);
void ass_bitmap_cache_reset(void);
void ass_bitmap_cache_done(void);
// Cache for composited bitmaps
typedef struct composite_hash_key_s {
int aw, ah, bw, bh;
int ax, ay, bx, by;
bitmap_hash_key_t a;
bitmap_hash_key_t b;
} composite_hash_key_t;
typedef struct composite_hash_val_s {
unsigned char* a;
unsigned char* b;
} composite_hash_val_t;
void ass_composite_cache_init(void);
void* cache_add_composite(composite_hash_key_t* key, composite_hash_val_t* val);
composite_hash_val_t* cache_find_composite(composite_hash_key_t* key);
void ass_composite_cache_reset(void);
void ass_composite_cache_done(void);
// describes an outline glyph
typedef struct glyph_hash_key_s {
ass_font_t* font;

3
aegisub/libass/ass_font.c
View file

@ -125,7 +125,7 @@ static int add_face(void* fc_priv, ass_font_t* font, uint32_t ch)
if (font->n_faces == ASS_FONT_MAX_FACES)
return -1;
path = fontconfig_select(fc_priv, font->desc.family, font->desc.bold,
path = fontconfig_select(fc_priv, font->desc.family, font->desc.treat_family_as_pattern, font->desc.bold,
font->desc.italic, &index, ch);
mem_idx = find_font(font->library, path);
@ -169,6 +169,7 @@ ass_font_t* ass_font_new(ass_library_t* library, FT_Library ftlibrary, void* fc_
font.ftlibrary = ftlibrary;
font.n_faces = 0;
font.desc.family = strdup(desc->family);
font.desc.treat_family_as_pattern = desc->treat_family_as_pattern;
font.desc.bold = desc->bold;
font.desc.italic = desc->italic;

1
aegisub/libass/ass_font.h
View file

@ -33,6 +33,7 @@ typedef struct ass_font_desc_s {
char* family;
unsigned bold;
unsigned italic;
int treat_family_as_pattern;
} ass_font_desc_t;
#define ASS_FONT_MAX_FACES 10

86
aegisub/libass/ass_fontconfig.c
View file

@ -28,7 +28,6 @@
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <inttypes.h>
#include <ft2build.h>
#include FT_FREETYPE_H
@ -71,14 +70,15 @@ struct fc_instance_s {
* \brief Low-level font selection.
* \param priv private data
* \param family font family
* \param treat_family_as_pattern treat family as fontconfig pattern
* \param bold font weight value
* \param italic font slant value
* \param index out: font index inside a file
* \param code: the character that should be present in the font, can be 0
* \return font file path
*/
static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index,
uint32_t code)
static char* _select_font(fc_instance_t* priv, const char* family, int treat_family_as_pattern,
unsigned bold, unsigned italic, int* index, uint32_t code)
{
FcBool rc;
FcResult result;
@ -94,34 +94,40 @@ static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold
*index = 0;
pat = FcPatternCreate();
if (treat_family_as_pattern)
pat = FcNameParse((const FcChar8*)family);
else
pat = FcPatternCreate();
if (!pat)
goto error;
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)family);
if (!treat_family_as_pattern) {
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)family);
// In SSA/ASS fonts are sometimes referenced by their "full name",
// which is usually a concatenation of family name and font
// style (ex. Ottawa Bold). Full name is available from
// FontConfig pattern element FC_FULLNAME, but it is never
// used for font matching.
// Therefore, I'm removing words from the end of the name one
// by one, and adding shortened names to the pattern. It seems
// that the first value (full name in this case) has
// precedence in matching.
// An alternative approach could be to reimplement FcFontSort
// using FC_FULLNAME instead of FC_FAMILY.
family_cnt = 1;
{
char* s = strdup(family);
char* p = s + strlen(s);
while (--p > s)
if (*p == ' ' || *p == '-') {
*p = '\0';
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)s);
++ family_cnt;
}
free(s);
// In SSA/ASS fonts are sometimes referenced by their "full name",
// which is usually a concatenation of family name and font
// style (ex. Ottawa Bold). Full name is available from
// FontConfig pattern element FC_FULLNAME, but it is never
// used for font matching.
// Therefore, I'm removing words from the end of the name one
// by one, and adding shortened names to the pattern. It seems
// that the first value (full name in this case) has
// precedence in matching.
// An alternative approach could be to reimplement FcFontSort
// using FC_FULLNAME instead of FC_FAMILY.
family_cnt = 1;
{
char* s = strdup(family);
char* p = s + strlen(s);
while (--p > s)
if (*p == ' ' || *p == '-') {
*p = '\0';
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)s);
++ family_cnt;
}
free(s);
}
}
FcPatternAddBool(pat, FC_OUTLINE, FcTrue);
FcPatternAddInteger(pat, FC_SLANT, italic);
@ -187,7 +193,8 @@ static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold
if (result != FcResultMatch)
r_fullname = NULL;
if (!(r_family && strcasecmp((const char*)r_family, family) == 0) &&
if (!treat_family_as_pattern &&
!(r_family && strcasecmp((const char*)r_family, family) == 0) &&
!(r_fullname && strcasecmp((const char*)r_fullname, family) == 0))
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_SelectedFontFamilyIsNotTheRequestedOne,
(const char*)(r_fullname ? r_fullname : r_family), family);
@ -224,14 +231,15 @@ static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold
* \brief Find a font. Use default family or path if necessary.
* \param priv_ private data
* \param family font family
* \param treat_family_as_pattern treat family as fontconfig pattern
* \param bold font weight value
* \param italic font slant value
* \param index out: font index inside a file
* \param code: the character that should be present in the font, can be 0
* \return font file path
*/
char* fontconfig_select(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index,
uint32_t code)
char* fontconfig_select(fc_instance_t* priv, const char* family, int treat_family_as_pattern,
unsigned bold, unsigned italic, int* index, uint32_t code)
{
char* res = 0;
if (!priv->config) {
@ -239,9 +247,9 @@ char* fontconfig_select(fc_instance_t* priv, const char* family, unsigned bold,
return priv->path_default;
}
if (family && *family)
res = _select_font(priv, family, bold, italic, index, code);
res = _select_font(priv, family, treat_family_as_pattern, bold, italic, index, code);
if (!res && priv->family_default) {
res = _select_font(priv, priv->family_default, bold, italic, index, code);
res = _select_font(priv, priv->family_default, 0, bold, italic, index, code);
if (res)
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_UsingDefaultFontFamily,
family, bold, italic, res, *index);
@ -253,7 +261,7 @@ char* fontconfig_select(fc_instance_t* priv, const char* family, unsigned bold,
family, bold, italic, res, *index);
}
if (!res) {
res = _select_font(priv, "Arial", bold, italic, index, code);
res = _select_font(priv, "Arial", 0, bold, italic, index, code);
if (res)
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_UsingArialFontFamily,
family, bold, italic, res, *index);
@ -412,7 +420,8 @@ fc_instance_t* fontconfig_init(ass_library_t* library, FT_Library ftlibrary, con
char *config_dir;
#endif
int i;
if (!fc) {
mp_msg(MSGT_ASS, MSGL_WARN,
MSGTR_LIBASS_FontconfigDisabledDefaultFontWillBeUsed);
@ -425,8 +434,8 @@ fc_instance_t* fontconfig_init(ass_library_t* library, FT_Library ftlibrary, con
free(config_dir);
priv->config = FcConfigCreate();
rc = FcConfigParseAndLoad(priv->config, config_path, FcTrue);
FcConfigBuildFonts(priv->config);
FcConfigSetCurrent(priv->config);
FcConfigBuildFonts(priv->config);
FcConfigSetCurrent(priv->config);
if (!rc) {
#else
@ -434,7 +443,6 @@ fc_instance_t* fontconfig_init(ass_library_t* library, FT_Library ftlibrary, con
assert(rc);
priv->config = FcConfigGetCurrent();
if (!priv->config) {
#endif
@ -497,8 +505,8 @@ exit:
#else /* CONFIG_FONTCONFIG */
char* fontconfig_select(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index,
uint32_t code)
char* fontconfig_select(fc_instance_t* priv, const char* family, int treat_family_as_pattern,
unsigned bold, unsigned italic, int* index, uint32_t code)
{
*index = priv->index_default;
return priv->path_default;

2
aegisub/libass/ass_fontconfig.h
View file

@ -35,7 +35,7 @@
typedef struct fc_instance_s fc_instance_t;
fc_instance_t* fontconfig_init(ass_library_t* library, FT_Library ftlibrary, const char* family, const char* path, int fc);
char* fontconfig_select(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index, uint32_t code);
char* fontconfig_select(fc_instance_t* priv, const char* family, int treat_family_as_pattern, unsigned bold, unsigned italic, int* index, uint32_t code);
void fontconfig_done(fc_instance_t* priv);
#endif /* LIBASS_FONTCONFIG_H */

398
aegisub/libass/ass_render.c
View file

@ -44,7 +44,9 @@
#define MAX_GLYPHS 3000
#define MAX_LINES 300
#define BLUR_MAX_RADIUS 50.0
#define MAX_BE 100
#define ROUND(x) ((int) ((x) + .5))
#define SUBPIXEL_MASK 56 // d6 bitmask for subpixel accuracy adjustment
static int last_render_id = 0;
@ -81,8 +83,7 @@ struct ass_renderer_s {
fc_instance_t* fontconfig_priv;
ass_settings_t settings;
int render_id;
ass_be_priv_t* be_priv;
ass_synth_priv_t* synth_priv_blur;
ass_synth_priv_t* synth_priv;
ass_image_t* images_root; // rendering result is stored here
ass_image_t* prev_images_root;
@ -183,6 +184,7 @@ typedef struct render_context_s {
char* family;
unsigned bold;
unsigned italic;
int treat_family_as_pattern;
} render_context_t;
@ -201,19 +203,11 @@ typedef struct frame_context_s {
double border_scale;
} frame_context_t;
// List of objects to free after each frame
typedef struct free_list_s {
int count;
int size;
void** obj;
} free_list_t;
static ass_renderer_t* ass_renderer;
static ass_settings_t* global_settings;
static text_info_t text_info;
static render_context_t render_context;
static frame_context_t frame_context;
static free_list_t free_list;
struct render_priv_s {
int top, height;
@ -277,8 +271,7 @@ ass_renderer_t* ass_renderer_init(ass_library_t* library)
goto ass_init_exit;
}
priv->be_priv = ass_be_init();
priv->synth_priv_blur = ass_synth_init(BLUR_MAX_RADIUS);
priv->synth_priv = ass_synth_init(BLUR_MAX_RADIUS);
priv->library = library;
priv->ftlibrary = ft;
@ -286,6 +279,7 @@ ass_renderer_t* ass_renderer_init(ass_library_t* library)
ass_font_cache_init();
ass_bitmap_cache_init();
ass_composite_cache_init();
ass_glyph_cache_init();
text_info.glyphs = calloc(MAX_GLYPHS, sizeof(glyph_info_t));
@ -297,34 +291,11 @@ ass_init_exit:
return priv;
}
static void ass_free_objects(void) {
int i = 0;
while (free_list.count--)
free(free_list.obj[i++]);
free_list.count = 0;
}
static void ass_free_add(void * obj) {
if (free_list.size == 0) {
free_list.size = 2;
free_list.obj = malloc(free_list.size * sizeof(void *));
} else if (free_list.size <= free_list.count+1) {
free_list.size *= 2;
free_list.obj = realloc(free_list.obj, free_list.size * sizeof(void *));
}
free_list.obj[free_list.count++] = obj;
}
static void ass_free_done(void) {
if (free_list.obj)
free(free_list.obj);
free_list.obj = 0;
}
void ass_renderer_done(ass_renderer_t* priv)
{
ass_font_cache_done();
ass_bitmap_cache_done();
ass_composite_cache_done();
ass_glyph_cache_done();
if (render_context.stroker) {
FT_Stroker_Done(render_context.stroker);
@ -332,13 +303,10 @@ void ass_renderer_done(ass_renderer_t* priv)
}
if (priv && priv->ftlibrary) FT_Done_FreeType(priv->ftlibrary);
if (priv && priv->fontconfig_priv) fontconfig_done(priv->fontconfig_priv);
if (priv && priv->synth_priv_blur) ass_synth_done(priv->synth_priv_blur);
if (priv && priv->be_priv) ass_be_done(priv->be_priv);
if (priv && priv->synth_priv) ass_synth_done(priv->synth_priv);
if (priv && priv->eimg) free(priv->eimg);
if (priv) free(priv);
if (text_info.glyphs) free(text_info.glyphs);
ass_free_objects();
ass_free_done();
}
/**
@ -445,60 +413,90 @@ static ass_image_t** render_glyph(bitmap_t* bm, int dst_x, int dst_y, uint32_t c
* Mainly useful for translucent glyphs and especially borders, to avoid the
* luminance adding up where they overlap (which looks ugly)
*/
static void render_overlap(ass_image_t** last_tail, ass_image_t** tail) {
static void render_overlap(ass_image_t** last_tail, ass_image_t** tail, bitmap_hash_key_t *last_hash, bitmap_hash_key_t* hash) {
int left, top, bottom, right;
int old_left, old_top, w, h, cur_left, cur_top;
int x, y, opos, cpos;
char m;
composite_hash_key_t hk;
composite_hash_val_t *hv;
composite_hash_key_t *nhk;
int ax = (*last_tail)->dst_x;
int ay = (*last_tail)->dst_y;
int aw = (*last_tail)->w;
int as = (*last_tail)->stride;
int ah = (*last_tail)->h;
int bx = (*tail)->dst_x;
int by = (*tail)->dst_y;
int bw = (*tail)->w;
int bs = (*tail)->stride;
int bh = (*tail)->h;
unsigned char* a;
unsigned char* b;
// Calculate overlap as coordinates
if ((*last_tail)->bitmap == (*tail)->bitmap)
return;
if ((*last_tail)->color != (*tail)->color)
return;
// Calculate overlap coordinates
left = (ax > bx) ? ax : bx;
top = (ay > by) ? ay : by;
right = ((ax+aw) < (bx+bw)) ?
(ax+aw) : (bx+bw);
bottom = ((ay+ah) < (by+bh)) ?
(ay+ah) : (by+bh);
// Check whether overlap rect is valid
right = ((ax+aw) < (bx+bw)) ? (ax+aw) : (bx+bw);
bottom = ((ay+ah) < (by+bh)) ? (ay+ah) : (by+bh);
if ((right <= left) || (bottom <= top))
return;
// Translate into coordinates+width/height for each bitmap
old_left = left-(ax);
old_top = top-(ay);
old_left = left-ax;
old_top = top-ay;
w = right-left;
h = bottom-top;
cur_left = left-(bx);
cur_top = top-(by);
cur_left = left-bx;
cur_top = top-by;
// Query cache
memcpy(&hk.a, last_hash, sizeof(*last_hash));
memcpy(&hk.b, hash, sizeof(*hash));
hk.aw = aw;
hk.ah = ah;
hk.bw = bw;
hk.bh = bh;
hk.ax = ax;
hk.ay = ay;
hk.bx = bx;
hk.by = by;
hv = cache_find_composite(&hk);
if (hv) {
(*last_tail)->bitmap = hv->a;
(*tail)->bitmap = hv->b;
return;
}
// Allocate new bitmaps and copy over data
a = (*last_tail)->bitmap;
b = (*tail)->bitmap;
(*last_tail)->bitmap = malloc(aw*ah);
ass_free_add((*last_tail)->bitmap);
(*tail)->bitmap = malloc(bw*bh);
ass_free_add((*tail)->bitmap);
memcpy((*last_tail)->bitmap, a, aw*ah);
memcpy((*tail)->bitmap, b, bw*bh);
(*last_tail)->bitmap = malloc(as*ah);
(*tail)->bitmap = malloc(bs*bh);
memcpy((*last_tail)->bitmap, a, as*ah);
memcpy((*tail)->bitmap, b, bs*bh);
// Composite overlapping area
for (y=0; y<h; y++)
for (x=0; x<w; x++) {
opos = (old_top+y)*(aw) + (old_left+x);
cpos = (cur_top+y)*(bw) + (cur_left+x);
opos = (old_top+y)*(as) + (old_left+x);
cpos = (cur_top+y)*(bs) + (cur_left+x);
m = (a[opos] > b[cpos]) ? a[opos] : b[cpos];
(*last_tail)->bitmap[opos] = 0;
(*tail)->bitmap[cpos] = m;
}
// Insert bitmaps into the cache
nhk = calloc(1, sizeof(*nhk));
memcpy(nhk, &hk, sizeof(*nhk));
hv = calloc(1, sizeof(*hv));
hv->a = (*last_tail)->bitmap;
hv->b = (*tail)->bitmap;
cache_add_composite(nhk, hv);
}
/**
@ -514,7 +512,8 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
ass_image_t** tail = &head;
ass_image_t** last_tail = 0;
ass_image_t** here_tail = 0;
bitmap_hash_key_t* last_hash = 0;
for (i = 0; i < text_info->length; ++i) {
glyph_info_t* info = text_info->glyphs + i;
if ((info->symbol == 0) || (info->symbol == '\n') || !info->bm_s || (info->shadow == 0))
@ -524,9 +523,15 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
pen_y = dst_y + info->pos.y + ROUND(info->shadow * frame_context.border_scale);
bm = info->bm_s;
here_tail = tail;
tail = render_glyph(bm, pen_x, pen_y, info->c[3], 0, 1000000, tail);
if (last_tail && tail != here_tail && ((info->c[3] & 0xff) > 0))
render_overlap(last_tail, here_tail, last_hash, &info->hash_key);
last_tail = here_tail;
last_hash = &info->hash_key;
}
last_tail = 0;
for (i = 0; i < text_info->length; ++i) {
glyph_info_t* info = text_info->glyphs + i;
if ((info->symbol == 0) || (info->symbol == '\n') || !info->bm_o)
@ -542,8 +547,9 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
here_tail = tail;
tail = render_glyph(bm, pen_x, pen_y, info->c[2], 0, 1000000, tail);
if (last_tail && tail != here_tail && ((info->c[2] & 0xff) > 0))
render_overlap(last_tail, here_tail);
render_overlap(last_tail, here_tail, last_hash, &info->hash_key);
last_tail = here_tail;
last_hash = &info->hash_key;
}
}
for (i = 0; i < text_info->length; ++i) {
@ -577,17 +583,22 @@ static int x2scr(double x) {
return x*frame_context.orig_width_nocrop / frame_context.track->PlayResX +
FFMAX(global_settings->left_margin, 0);
}
static int x2scr_pos(double x) {
static double x2scr_pos(double x) {
return x*frame_context.orig_width / frame_context.track->PlayResX +
global_settings->left_margin;
}
/**
* \brief Mapping between script and screen coordinates
*/
static int y2scr(double y) {
static double y2scr(double y) {
return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY +
FFMAX(global_settings->top_margin, 0);
}
static double y2scr_pos(double y) {
return y * frame_context.orig_height / frame_context.track->PlayResY +
global_settings->top_margin;
}
// the same for toptitles
static int y2scr_top(double y) {
if (global_settings->use_margins)
@ -666,6 +677,7 @@ static void update_font(void)
ass_renderer_t* priv = frame_context.ass_priv;
ass_font_desc_t desc;
desc.family = strdup(render_context.family);
desc.treat_family_as_pattern = render_context.treat_family_as_pattern;
val = render_context.bold;
// 0 = normal, 1 = bold, >1 = exact weight
@ -816,31 +828,31 @@ static char* parse_tag(char* p, double pwr) {
mp_msg(MSGT_ASS, MSGL_V, "stub: \\ybord%.2f\n", val);
} else if (mystrcmp(&p, "xshad")) {
int val;
if (mystrtoi(&p, 10, &val))
if (mystrtoi(&p, &val))
mp_msg(MSGT_ASS, MSGL_V, "stub: \\xshad%d\n", val);
} else if (mystrcmp(&p, "yshad")) {
int val;
if (mystrtoi(&p, 10, &val))
if (mystrtoi(&p, &val))
mp_msg(MSGT_ASS, MSGL_V, "stub: \\yshad%d\n", val);
} else if (mystrcmp(&p, "fax")) {
int val;
if (mystrtoi(&p, 10, &val))
if (mystrtoi(&p, &val))
mp_msg(MSGT_ASS, MSGL_V, "stub: \\fax%d\n", val);
} else if (mystrcmp(&p, "fay")) {
int val;
if (mystrtoi(&p, 10, &val))
if (mystrtoi(&p, &val))
mp_msg(MSGT_ASS, MSGL_V, "stub: \\fay%d\n", val);
} else if (mystrcmp(&p, "iclip")) {
int x0, y0, x1, y1;
int res = 1;
skip('(');
res &= mystrtoi(&p, 10, &x0);
res &= mystrtoi(&p, &x0);
skip(',');
res &= mystrtoi(&p, 10, &y0);
res &= mystrtoi(&p, &y0);
skip(',');
res &= mystrtoi(&p, 10, &x1);
res &= mystrtoi(&p, &x1);
skip(',');
res &= mystrtoi(&p, 10, &y1);
res &= mystrtoi(&p, &y1);
skip(')');
mp_msg(MSGT_ASS, MSGL_V, "stub: \\iclip(%d,%d,%d,%d)\n", x0, y0, x1, y1);
} else if (mystrcmp(&p, "blur")) {
@ -890,29 +902,29 @@ static char* parse_tag(char* p, double pwr) {
val = -1.; // reset to default
change_border(val);
} else if (mystrcmp(&p, "move")) {
int x1, x2, y1, y2;
double x1, x2, y1, y2;
long long t1, t2, delta_t, t;
double x, y;
double k;
skip('(');
mystrtoi(&p, 10, &x1);
mystrtod(&p, &x1);
skip(',');
mystrtoi(&p, 10, &y1);
mystrtod(&p, &y1);
skip(',');
mystrtoi(&p, 10, &x2);
mystrtod(&p, &x2);
skip(',');
mystrtoi(&p, 10, &y2);
mystrtod(&p, &y2);
if (*p == ',') {
skip(',');
mystrtoll(&p, 10, &t1);
mystrtoll(&p, &t1);
skip(',');
mystrtoll(&p, 10, &t2);
mp_msg(MSGT_ASS, MSGL_DBG2, "movement6: (%d, %d) -> (%d, %d), (%" PRId64 " .. %" PRId64 ")\n",
mystrtoll(&p, &t2);
mp_msg(MSGT_ASS, MSGL_DBG2, "movement6: (%f, %f) -> (%f, %f), (%" PRId64 " .. %" PRId64 ")\n",
x1, y1, x2, y2, (int64_t)t1, (int64_t)t2);
} else {
t1 = 0;
t2 = render_context.event->Duration;
mp_msg(MSGT_ASS, MSGL_DBG2, "movement: (%d, %d) -> (%d, %d)\n", x1, y1, x2, y2);
mp_msg(MSGT_ASS, MSGL_DBG2, "movement: (%f, %f) -> (%f, %f)\n", x1, y1, x2, y2);
}
skip(')');
delta_t = t2 - t1;
@ -981,7 +993,7 @@ static char* parse_tag(char* p, double pwr) {
// FIXME: simplify
} else if (mystrcmp(&p, "an")) {
int val;
if (mystrtoi(&p, 10, &val) && val) {
if (mystrtoi(&p, &val) && val) {
int v = (val - 1) / 3; // 0, 1 or 2 for vertical alignment
mp_msg(MSGT_ASS, MSGL_DBG2, "an %d\n", val);
if (v != 0) v = 3 - v;
@ -993,18 +1005,18 @@ static char* parse_tag(char* p, double pwr) {
render_context.alignment = render_context.style->Alignment;
} else if (mystrcmp(&p, "a")) {
int val;
if (mystrtoi(&p, 10, &val) && val)
if (mystrtoi(&p, &val) && val)
render_context.alignment = val;
else
render_context.alignment = render_context.style->Alignment;
} else if (mystrcmp(&p, "pos")) {
int v1, v2;
double v1, v2;
skip('(');
mystrtoi(&p, 10, &v1);
mystrtod(&p, &v1);
skip(',');
mystrtoi(&p, 10, &v2);
mystrtod(&p, &v2);
skip(')');
mp_msg(MSGT_ASS, MSGL_DBG2, "pos(%d, %d)\n", v1, v2);
mp_msg(MSGT_ASS, MSGL_DBG2, "pos(%f, %f)\n", v1, v2);
if (render_context.evt_type != EVENT_POSITIONED) {
render_context.evt_type = EVENT_POSITIONED;
render_context.detect_collisions = 0;
@ -1016,9 +1028,9 @@ static char* parse_tag(char* p, double pwr) {
long long t1, t2, t3, t4;
if (*p == 'e') ++p; // either \fad or \fade
skip('(');
mystrtoi(&p, 10, &a1);
mystrtoi(&p, &a1);
skip(',');
mystrtoi(&p, 10, &a2);
mystrtoi(&p, &a2);
if (*p == ')') {
// 2-argument version (\fad, according to specs)
// a1 and a2 are fade-in and fade-out durations
@ -1033,31 +1045,33 @@ static char* parse_tag(char* p, double pwr) {
// 6-argument version (\fade)
// a1 and a2 (and a3) are opacity values
skip(',');
mystrtoi(&p, 10, &a3);
mystrtoi(&p, &a3);
skip(',');
mystrtoll(&p, 10, &t1);
mystrtoll(&p, &t1);
skip(',');
mystrtoll(&p, 10, &t2);
mystrtoll(&p, &t2);
skip(',');
mystrtoll(&p, 10, &t3);
mystrtoll(&p, &t3);
skip(',');
mystrtoll(&p, 10, &t4);
mystrtoll(&p, &t4);
}
skip(')');
render_context.fade = interpolate_alpha(frame_context.time - render_context.event->Start, t1, t2, t3, t4, a1, a2, a3);
} else if (mystrcmp(&p, "org")) {
int v1, v2;
skip('(');
mystrtoi(&p, 10, &v1);
mystrtoi(&p, &v1);
skip(',');
mystrtoi(&p, 10, &v2);
mystrtoi(&p, &v2);
skip(')');
mp_msg(MSGT_ASS, MSGL_DBG2, "org(%d, %d)\n", v1, v2);
// render_context.evt_type = EVENT_POSITIONED;
render_context.org_x = v1;
render_context.org_y = v2;
render_context.have_origin = 1;
render_context.detect_collisions = 0;
if (!render_context.have_origin) {
render_context.org_x = v1;
render_context.org_y = v2;
render_context.have_origin = 1;
render_context.detect_collisions = 0;
}
} else if (mystrcmp(&p, "t")) {
double v[3];
int v1, v2;
@ -1104,13 +1118,13 @@ static char* parse_tag(char* p, double pwr) {
int x0, y0, x1, y1;
int res = 1;
skip('(');
res &= mystrtoi(&p, 10, &x0);
res &= mystrtoi(&p, &x0);
skip(',');
res &= mystrtoi(&p, 10, &y0);
res &= mystrtoi(&p, &y0);
skip(',');
res &= mystrtoi(&p, 10, &x1);
res &= mystrtoi(&p, &x1);
skip(',');
res &= mystrtoi(&p, 10, &y1);
res &= mystrtoi(&p, &y1);
skip(')');
if (res) {
render_context.clip_x0 = render_context.clip_x0 * (1-pwr) + x0 * pwr;
@ -1153,16 +1167,16 @@ static char* parse_tag(char* p, double pwr) {
reset_render_context();
} else if (mystrcmp(&p, "be")) {
int val;
if (mystrtoi(&p, 10, &val)) {
// Clamp to 10, since high values need excessive CPU
if (mystrtoi(&p, &val)) {
// Clamp to a safe upper limit, since high values need excessive CPU
val = (val < 0) ? 0 : val;
val = (val > 10) ? 10 : val;
val = (val > MAX_BE) ? MAX_BE : val;
render_context.be = val;
} else
render_context.be = 0;
} else if (mystrcmp(&p, "b")) {
int b;
if (mystrtoi(&p, 10, &b)) {
if (mystrtoi(&p, &b)) {
if (pwr >= .5)
render_context.bold = b;
} else
@ -1170,7 +1184,7 @@ static char* parse_tag(char* p, double pwr) {
update_font();
} else if (mystrcmp(&p, "i")) {
int i;
if (mystrtoi(&p, 10, &i)) {
if (mystrtoi(&p, &i)) {
if (pwr >= .5)
render_context.italic = i;
} else
@ -1178,37 +1192,37 @@ static char* parse_tag(char* p, double pwr) {
update_font();
} else if (mystrcmp(&p, "kf") || mystrcmp(&p, "K")) {
int val = 0;
mystrtoi(&p, 10, &val);
mystrtoi(&p, &val);
render_context.effect_type = EF_KARAOKE_KF;
if (render_context.effect_timing)
render_context.effect_skip_timing += render_context.effect_timing;
render_context.effect_timing = val * 10;
} else if (mystrcmp(&p, "ko")) {
int val = 0;
mystrtoi(&p, 10, &val);
mystrtoi(&p, &val);
render_context.effect_type = EF_KARAOKE_KO;
if (render_context.effect_timing)
render_context.effect_skip_timing += render_context.effect_timing;
render_context.effect_timing = val * 10;
} else if (mystrcmp(&p, "k")) {
int val = 0;
mystrtoi(&p, 10, &val);
mystrtoi(&p, &val);
render_context.effect_type = EF_KARAOKE;
if (render_context.effect_timing)
render_context.effect_skip_timing += render_context.effect_timing;
render_context.effect_timing = val * 10;
} else if (mystrcmp(&p, "shad")) {
int val;
if (mystrtoi(&p, 10, &val))
if (mystrtoi(&p, &val))
render_context.shadow = val;
else
render_context.shadow = render_context.style->Shadow;
} else if (mystrcmp(&p, "pbo")) {
int val = 0;
mystrtoi(&p, 10, &val); // ignored
mystrtoi(&p, &val); // ignored
} else if (mystrcmp(&p, "p")) {
int val;
if (!mystrtoi(&p, 10, &val))
if (!mystrtoi(&p, &val))
val = 0;
render_context.drawing_mode = !!val;
}
@ -1347,6 +1361,7 @@ static void reset_render_context(void)
if (render_context.family)
free(render_context.family);
render_context.family = strdup(render_context.style->FontName);
render_context.treat_family_as_pattern = render_context.style->treat_fontname_as_pattern;
render_context.bold = render_context.style->Bold;
render_context.italic = render_context.style->Italic;
update_font();
@ -1496,8 +1511,7 @@ static void get_bitmap_glyph(glyph_info_t* info)
transform_3d(shift, &info->glyph, &info->outline_glyph, info->frx, info->fry, info->frz);
// render glyph
error = glyph_to_bitmap(ass_renderer->be_priv,
ass_renderer->synth_priv_blur,
error = glyph_to_bitmap(ass_renderer->synth_priv,
info->glyph, info->outline_glyph,
&info->bm, &info->bm_o,
&info->bm_s, info->be, info->blur * frame_context.border_scale);
@ -1790,75 +1804,46 @@ static void get_base_point(FT_BBox bbox, int alignment, int* bx, int* by)
}
/**
* \brief Multiply 4-vector by 4-matrix
* \param a 4-vector
* \param m 4-matrix]
* \param b out: 4-vector
* Calculates a * m and stores result in b
* \brief Apply transformation to outline points of a glyph
* Applies rotations given by frx, fry and frz and projects the points back
* onto the screen plane.
*/
static inline void transform_point_3d(double *a, double *m, double *b)
{
b[0] = a[0] * m[0] + a[1] * m[4] + a[2] * m[8] + a[3] * m[12];
b[1] = a[0] * m[1] + a[1] * m[5] + a[2] * m[9] + a[3] * m[13];
b[2] = a[0] * m[2] + a[1] * m[6] + a[2] * m[10] + a[3] * m[14];
b[3] = a[0] * m[3] + a[1] * m[7] + a[2] * m[11] + a[3] * m[15];
}
/**
* \brief Apply 3d transformation to a vector
* \param v FreeType vector (2d)
* \param m 4-matrix
* Transforms v by m, projects the result back to the screen plane
* Result is returned in v.
*/
static inline void transform_vector_3d(FT_Vector* v, double *m) {
const double camera = 2500 * frame_context.border_scale; // camera distance
const double cutoff_z = 10.;
double a[4], b[4];
a[0] = d6_to_double(v->x);
a[1] = d6_to_double(v->y);
a[2] = 0.;
a[3] = 1.;
transform_point_3d(a, m, b);
/* Apply perspective projection with the following matrix:
2500 0 0 0
0 2500 0 0
0 0 0 0
0 0 8 2500
where 2500 is camera distance, 8 - z-axis scale.
Camera is always located in (org_x, org_y, -2500). This means
that different subtitle events can be displayed at the same time
using different cameras. */
b[0] *= camera;
b[1] *= camera;
b[3] = 8 * b[2] + camera;
if (b[3] < cutoff_z)
b[3] = cutoff_z;
v->x = double_to_d6(b[0] / b[3]);
v->y = double_to_d6(b[1] / b[3]);
}
/**
* \brief Apply 3d transformation to a glyph
* \param glyph FreeType glyph
* \param m 4-matrix
* Transforms glyph by m, projects the result back to the screen plane
* Result is returned in glyph.
*/
static inline void transform_glyph_3d(FT_Glyph glyph, double *m, FT_Vector shift) {
int i;
FT_Outline* outline = &((FT_OutlineGlyph)glyph)->outline;
static void transform_3d_points(FT_Vector shift, FT_Glyph glyph, double frx, double fry, double frz) {
double sx = sin(frx);
double sy = sin(fry);
double sz = sin(frz);
double cx = cos(frx);
double cy = cos(fry);
double cz = cos(frz);
FT_Outline *outline = &((FT_OutlineGlyph) glyph)->outline;
FT_Vector* p = outline->points;
double x, y, z, xx, yy, zz;
int i;
for (i=0; i<outline->n_points; i++) {
p[i].x += shift.x;
p[i].y += shift.y;
transform_vector_3d(p + i, m);
p[i].x -= shift.x;
p[i].y -= shift.y;
}
x = p[i].x + shift.x;
y = p[i].y + shift.y;
z = 0.;
//transform_vector_3d(&glyph->advance, m);
xx = x*cz + y*sz;
yy = -(x*sz - y*cz);
zz = z;
x = xx;
y = yy*cx + zz*sx;
z = yy*sx - zz*cx;
xx = x*cy + z*sy;
yy = y;
zz = x*sy - z*cy;
zz = FFMAX(zz, -19000);
x = (xx * 20000) / (zz + 20000);
y = (yy * 20000) / (zz + 20000);
p[i].x = x - shift.x + 0.5;
p[i].y = y - shift.y + 0.5;
}
}
/**
@ -1873,28 +1858,18 @@ static inline void transform_glyph_3d(FT_Glyph glyph, double *m, FT_Vector shift
*/
static void transform_3d(FT_Vector shift, FT_Glyph* glyph, FT_Glyph* glyph2, double frx, double fry, double frz)
{
fry = - fry; // FreeType's y axis goes in the opposite direction
frx = - frx;
frz = - frz;
if (frx != 0. || fry != 0. || frz != 0.) {
double m[16];
double sx = sin(frx);
double sy = sin(fry);
double sz = sin(frz);
double cx = cos(frx);
double cy = cos(fry);
double cz = cos(frz);
m[0] = cy * cz; m[1] = cy*sz; m[2] = -sy; m[3] = 0.0;
m[4] = -cx*sz + sx*sy*cz; m[5] = cx*cz + sx*sy*sz; m[6] = sx*cy; m[7] = 0.0;
m[8] = sx*sz + cx*sy*cz; m[9] = -sx*cz + cx*sy*sz; m[10] = cx*cy; m[11] = 0.0;
m[12] = 0.0; m[13] = 0.0; m[14] = 0.0; m[15] = 1.0;
if (glyph && *glyph)
transform_glyph_3d(*glyph, m, shift);
transform_3d_points(shift, *glyph, frx, fry, frz);
if (glyph2 && *glyph2)
transform_glyph_3d(*glyph2, m, shift);
transform_3d_points(shift, *glyph2, frx, fry, frz);
}
}
/**
* \brief Main ass rendering function, glues everything together
* \param event event to render
@ -1962,8 +1937,13 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
pen.y += delta.y * render_context.scale_y;
}
shift.x = pen.x & 63;
shift.y = pen.y & 63;
shift.x = pen.x & SUBPIXEL_MASK;
shift.y = pen.y & SUBPIXEL_MASK;
if (render_context.evt_type == EVENT_POSITIONED) {
shift.x += double_to_d6(x2scr_pos(render_context.pos_x)) & SUBPIXEL_MASK;
shift.y -= double_to_d6(y2scr_pos(render_context.pos_y)) & SUBPIXEL_MASK;
}
ass_font_set_transform(render_context.font,
render_context.scale_x * frame_context.font_scale_x,
@ -2129,15 +2109,15 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
mp_msg(MSGT_ASS, MSGL_DBG2, "positioned event at %f, %f\n", render_context.pos_x, render_context.pos_y);
get_base_point(bbox, alignment, &base_x, &base_y);
device_x = x2scr_pos(render_context.pos_x) - base_x;
device_y = y2scr(render_context.pos_y) - base_y;
device_y = y2scr_pos(render_context.pos_y) - base_y;
}
// fix clip coordinates (they depend on alignment)
render_context.clip_x0 = x2scr(render_context.clip_x0);
render_context.clip_x1 = x2scr(render_context.clip_x1);
if (render_context.evt_type == EVENT_NORMAL ||
render_context.evt_type == EVENT_HSCROLL ||
render_context.evt_type == EVENT_VSCROLL) {
render_context.clip_x0 = x2scr(render_context.clip_x0);
render_context.clip_x1 = x2scr(render_context.clip_x1);
if (valign == VALIGN_TOP) {
render_context.clip_y0 = y2scr_top(render_context.clip_y0);
render_context.clip_y1 = y2scr_top(render_context.clip_y1);
@ -2149,8 +2129,10 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
render_context.clip_y1 = y2scr_sub(render_context.clip_y1);
}
} else if (render_context.evt_type == EVENT_POSITIONED) {
render_context.clip_y0 = y2scr(render_context.clip_y0);
render_context.clip_y1 = y2scr(render_context.clip_y1);
render_context.clip_x0 = x2scr_pos(render_context.clip_x0);
render_context.clip_x1 = x2scr_pos(render_context.clip_x1);
render_context.clip_y0 = y2scr_pos(render_context.clip_y0);
render_context.clip_y1 = y2scr_pos(render_context.clip_y1);
}
// calculate rotation parameters
@ -2214,6 +2196,7 @@ static void ass_reconfigure(ass_renderer_t* priv)
priv->render_id = ++last_render_id;
ass_glyph_cache_reset();
ass_bitmap_cache_reset();
ass_composite_cache_reset();
ass_free_images(priv->prev_images_root);
priv->prev_images_root = 0;
}
@ -2318,8 +2301,6 @@ static int ass_start_frame(ass_renderer_t *priv, ass_track_t* track, long long n
if (track->n_events == 0)
return 1; // nothing to do
ass_free_objects();
frame_context.ass_priv = priv;
frame_context.width = global_settings->frame_width;
frame_context.height = global_settings->frame_height;
@ -2338,7 +2319,10 @@ static int ass_start_frame(ass_renderer_t *priv, ass_track_t* track, long long n
frame_context.font_scale = global_settings->font_size_coeff *
frame_context.orig_height / frame_context.track->PlayResY;
frame_context.border_scale = ((double)frame_context.orig_height) / frame_context.track->PlayResY;
if (frame_context.track->ScaledBorderAndShadow)
frame_context.border_scale = ((double)frame_context.orig_height) / frame_context.track->PlayResY;
else
frame_context.border_scale = 1.;
frame_context.font_scale_x = 1.;

2
aegisub/libass/ass_types.h
View file

@ -58,6 +58,7 @@ typedef struct ass_style_s {
int MarginV;
// int AlphaLevel;
int Encoding;
int treat_fontname_as_pattern;
} ass_style_t;
typedef struct render_priv_s render_priv_t;
@ -105,6 +106,7 @@ typedef struct ass_track_s {
int PlayResY;
double Timer;
int WrapStyle;
char ScaledBorderAndShadow;
int default_style; // index of default style

15
aegisub/libass/ass_utils.c
View file

@ -30,7 +30,7 @@
#include "mputils.h"
#include "ass_utils.h"
int mystrtoi(char** p, int base, int* res)
int mystrtoi(char** p, int* res)
{
// NOTE: base argument is ignored, but not used in libass anyway
double temp_res;
@ -41,7 +41,7 @@ int mystrtoi(char** p, int base, int* res)
else return 0;
}
int mystrtoll(char** p, int base, long long* res)
int mystrtoll(char** p, long long* res)
{
double temp_res;
char* start = *p;
@ -96,6 +96,17 @@ int strtocolor(char** q, uint32_t* res)
return result;
}
// Return a boolean value for a string
char parse_bool(char* str) {
while (*str == ' ' || *str == '\t')
str++;
if (!strncasecmp(str, "yes", 3))
return 1;
else if (strtol(str, NULL, 10) > 0)
return 1;
return 0;
}
#if 0
static void sprint_tag(uint32_t tag, char* dst)
{

5
aegisub/libass/ass_utils.h
View file

@ -25,11 +25,12 @@
#include <stdint.h>
int mystrtoi(char** p, int base, int* res);
int mystrtoll(char** p, int base, long long* res);
int mystrtoi(char** p, int* res);
int mystrtoll(char** p, long long* res);
int mystrtou32(char** p, int base, uint32_t* res);
int mystrtod(char** p, double* res);
int strtocolor(char** q, uint32_t* res);
char parse_bool(char* str);
static inline int d6_to_int(int x) {
return (x + 32) >> 6;