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-rw-r--r--libass/Makefile.am7
-rw-r--r--libass/ass_cache.c4
-rw-r--r--libass/ass_font.c30
-rw-r--r--libass/ass_font.h10
-rw-r--r--libass/ass_fontconfig.c593
-rw-r--r--libass/ass_fontconfig.h32
-rw-r--r--libass/ass_fontselect.c514
-rw-r--r--libass/ass_fontselect.h74
-rw-r--r--libass/ass_parse.c3
-rw-r--r--libass/ass_render.c11
-rw-r--r--libass/ass_render.h4
-rw-r--r--libass/ass_render_api.c12
-rw-r--r--libass/ass_shaper.c2
13 files changed, 733 insertions, 563 deletions
diff --git a/libass/Makefile.am b/libass/Makefile.am
index 4bf9584..b8659e6 100644
--- a/libass/Makefile.am
+++ b/libass/Makefile.am
@@ -20,14 +20,13 @@ SRC_INTEL_RASTERIZER = x86/rasterizer.asm
SRC_RASTERIZER = ass_rasterizer.h ass_rasterizer.c ass_rasterizer_c.c
lib_LTLIBRARIES = libass.la
-libass_la_SOURCES = ass.c ass_cache.c ass_font.c ass_fontconfig.c ass_render.c \
+libass_la_SOURCES = ass.c ass_cache.c ass_font.c ass_fontselect.c ass_render.c \
ass_utils.c ass_bitmap.c ass_blur.c ass_library.c ass_bitmap.h \
- ass_cache.h ass_fontconfig.h ass_font.h ass.h \
+ ass_cache.h ass_fontselect.h ass_font.h ass.h \
ass_library.h ass_types.h ass_utils.h ass_drawing.c \
ass_drawing.h ass_cache_template.h ass_render.h \
ass_parse.c ass_parse.h ass_render_api.c ass_shaper.c \
- ass_shaper.h ass_strtod.c ass_func_template.h
-
+ ass_shaper.h ass_strtod.c ass_fontconfig.c ass_fontconfig.h
libass_la_LDFLAGS = -no-undefined -version-info $(LIBASS_LT_CURRENT):$(LIBASS_LT_REVISION):$(LIBASS_LT_AGE)
libass_la_LDFLAGS += -export-symbols $(srcdir)/libass.sym
diff --git a/libass/ass_cache.c b/libass/ass_cache.c
index 2381e88..d1aaec0 100644
--- a/libass/ass_cache.c
+++ b/libass/ass_cache.c
@@ -43,8 +43,6 @@ static unsigned font_hash(void *buf, size_t len)
hval = fnv_32a_str(desc->family, FNV1_32A_INIT);
hval = fnv_32a_buf(&desc->bold, sizeof(desc->bold), hval);
hval = fnv_32a_buf(&desc->italic, sizeof(desc->italic), hval);
- hval = fnv_32a_buf(&desc->treat_family_as_pattern,
- sizeof(desc->treat_family_as_pattern), hval);
hval = fnv_32a_buf(&desc->vertical, sizeof(desc->vertical), hval);
return hval;
}
@@ -59,8 +57,6 @@ static unsigned 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;
if (a->vertical != b->vertical)
return 0;
return 1;
diff --git a/libass/ass_font.c b/libass/ass_font.c
index 5a2645e..13ec654 100644
--- a/libass/ass_font.c
+++ b/libass/ass_font.c
@@ -31,7 +31,7 @@
#include "ass.h"
#include "ass_library.h"
#include "ass_font.h"
-#include "ass_fontconfig.h"
+#include "ass_fontselect.h"
#include "ass_utils.h"
#include "ass_shaper.h"
@@ -127,7 +127,7 @@ static void buggy_font_workaround(FT_Face face)
* \brief Select a face with the given charcode and add it to ASS_Font
* \return index of the new face in font->faces, -1 if failed
*/
-static int add_face(void *fc_priv, ASS_Font *font, uint32_t ch)
+static int add_face(ASS_FontSelector *fontsel, ASS_Font *font, uint32_t ch)
{
char *path;
int index;
@@ -138,10 +138,9 @@ static int add_face(void *fc_priv, ASS_Font *font, uint32_t ch)
if (font->n_faces == ASS_FONT_MAX_FACES)
return -1;
- path =
- fontconfig_select(font->library, fc_priv, font->desc.family,
- font->desc.treat_family_as_pattern,
- font->desc.bold, font->desc.italic, &index, ch);
+ path = ass_font_select(fontsel, font->library, font->desc.family,
+ font->desc.bold, font->desc.italic, &index, ch);
+
if (!path)
return -1;
@@ -181,7 +180,7 @@ static int add_face(void *fc_priv, ASS_Font *font, uint32_t ch)
* \brief Create a new ASS_Font according to "desc" argument
*/
ASS_Font *ass_font_new(Cache *font_cache, ASS_Library *library,
- FT_Library ftlibrary, void *fc_priv,
+ FT_Library ftlibrary, ASS_FontSelector *fontsel,
ASS_FontDesc *desc)
{
int error;
@@ -197,7 +196,6 @@ ASS_Font *ass_font_new(Cache *font_cache, ASS_Library *library,
font.shaper_priv = NULL;
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;
font.desc.vertical = desc->vertical;
@@ -206,7 +204,7 @@ ASS_Font *ass_font_new(Cache *font_cache, ASS_Library *library,
font.v.x = font.v.y = 0;
font.size = 0.;
- error = add_face(fc_priv, &font, 0);
+ error = add_face(fontsel, &font, 0);
if (error == -1) {
free(font.desc.family);
return 0;
@@ -484,8 +482,8 @@ static void ass_glyph_embolden(FT_GlyphSlot slot)
* Finds a face that has the requested codepoint and returns both face
* and glyph index.
*/
-int ass_font_get_index(void *fcpriv, ASS_Font *font, uint32_t symbol,
- int *face_index, int *glyph_index)
+int ass_font_get_index(ASS_FontSelector *fontsel, ASS_Font *font,
+ uint32_t symbol, int *face_index, int *glyph_index)
{
int index = 0;
int i;
@@ -519,14 +517,13 @@ int ass_font_get_index(void *fcpriv, ASS_Font *font, uint32_t symbol,
*face_index = i;
}
-#ifdef CONFIG_FONTCONFIG
if (index == 0) {
int face_idx;
ass_msg(font->library, MSGL_INFO,
"Glyph 0x%X not found, selecting one more "
"font for (%s, %d, %d)", symbol, font->desc.family,
font->desc.bold, font->desc.italic);
- face_idx = *face_index = add_face(fcpriv, font, symbol);
+ face_idx = *face_index = add_face(fontsel, font, symbol);
if (face_idx >= 0) {
face = font->faces[face_idx];
index = FT_Get_Char_Index(face, ass_font_index_magic(face, symbol));
@@ -547,7 +544,7 @@ int ass_font_get_index(void *fcpriv, ASS_Font *font, uint32_t symbol,
}
}
}
-#endif
+
// FIXME: make sure we have a valid face_index. this is a HACK.
*face_index = FFMAX(*face_index, 0);
*glyph_index = index;
@@ -559,9 +556,8 @@ int ass_font_get_index(void *fcpriv, ASS_Font *font, uint32_t symbol,
* \brief Get a glyph
* \param ch character code
**/
-FT_Glyph ass_font_get_glyph(void *fontconfig_priv, ASS_Font *font,
- uint32_t ch, int face_index, int index,
- ASS_Hinting hinting, int deco)
+FT_Glyph ass_font_get_glyph(ASS_Font *font, uint32_t ch, int face_index,
+ int index, ASS_Hinting hinting, int deco)
{
int error;
FT_Glyph glyph;
diff --git a/libass/ass_font.h b/libass/ass_font.h
index f3c3f8e..9ccc83a 100644
--- a/libass/ass_font.h
+++ b/libass/ass_font.h
@@ -26,6 +26,7 @@
#include "ass.h"
#include "ass_types.h"
+#include "ass_fontselect.h"
#define VERTICAL_LOWER_BOUND 0x02f1
@@ -39,7 +40,6 @@ typedef struct {
char *family;
unsigned bold;
unsigned italic;
- int treat_family_as_pattern;
int vertical; // @font vertical layout
} ASS_FontDesc;
@@ -58,7 +58,7 @@ typedef struct {
#include "ass_cache.h"
ASS_Font *ass_font_new(Cache *font_cache, ASS_Library *library,
- FT_Library ftlibrary, void *fc_priv,
+ FT_Library ftlibrary, ASS_FontSelector *fontsel,
ASS_FontDesc *desc);
void ass_font_set_transform(ASS_Font *font, double scale_x,
double scale_y, FT_Vector *v);
@@ -66,10 +66,10 @@ void ass_face_set_size(FT_Face face, double size);
void ass_font_set_size(ASS_Font *font, double size);
void ass_font_get_asc_desc(ASS_Font *font, uint32_t ch, int *asc,
int *desc);
-int ass_font_get_index(void *fcpriv, ASS_Font *font, uint32_t symbol,
- int *face_index, int *glyph_index);
+int ass_font_get_index(ASS_FontSelector *fontsel, ASS_Font *font,
+ uint32_t symbol, int *face_index, int *glyph_index);
uint32_t ass_font_index_magic(FT_Face face, uint32_t symbol);
-FT_Glyph ass_font_get_glyph(void *fontconfig_priv, ASS_Font *font,
+FT_Glyph ass_font_get_glyph(ASS_Font *font,
uint32_t ch, int face_index, int index,
ASS_Hinting hinting, int deco);
FT_Vector ass_font_get_kerning(ASS_Font *font, uint32_t c1, uint32_t c2);
diff --git a/libass/ass_fontconfig.c b/libass/ass_fontconfig.c
index f0e9000..c65cd20 100644
--- a/libass/ass_fontconfig.c
+++ b/libass/ass_fontconfig.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
+ * Copyright (C) 2011 Grigori Goronzy <greg@chown.ath.cx>
*
* This file is part of libass.
*
@@ -18,545 +18,144 @@
#include "config.h"
-#include <stdlib.h>
+#ifdef CONFIG_FONTCONFIG
+
#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-#include <strings.h>
+#include <stdlib.h>
#include <sys/types.h>
-#include <sys/stat.h>
-#include <inttypes.h>
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include "ass_utils.h"
-#include "ass.h"
-#include "ass_library.h"
-#include "ass_fontconfig.h"
-
-#ifdef CONFIG_FONTCONFIG
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
-#endif
-
-struct fc_instance {
-#ifdef CONFIG_FONTCONFIG
- FcConfig *config;
-#endif
- char *family_default;
- char *path_default;
- int index_default;
-};
-
-#ifdef CONFIG_FONTCONFIG
-/**
- * \brief Case-insensitive match ASS/SSA font family against full name. (also
- * known as "name for humans")
- *
- * \param lib library instance
- * \param priv fontconfig instance
- * \param family font fullname
- * \param bold weight attribute
- * \param italic italic attribute
- * \return font set
- */
-static FcFontSet *
-match_fullname(ASS_Library *lib, FCInstance *priv, const char *family,
- unsigned bold, unsigned italic)
-{
- FcFontSet *sets[2];
- FcFontSet *result = FcFontSetCreate();
- int nsets = 0;
- int i, fi;
-
- if (!result)
- return NULL;
-
- if ((sets[nsets] = FcConfigGetFonts(priv->config, FcSetSystem)))
- nsets++;
- if ((sets[nsets] = FcConfigGetFonts(priv->config, FcSetApplication)))
- nsets++;
-
- // Run over font sets and patterns and try to match against full name
- for (i = 0; i < nsets; i++) {
- FcFontSet *set = sets[i];
- for (fi = 0; fi < set->nfont; fi++) {
- FcPattern *pat = set->fonts[fi];
- char *fullname;
- int pi = 0, at;
- FcBool ol;
- while (FcPatternGetString(pat, FC_FULLNAME, pi++,
- (FcChar8 **) &fullname) == FcResultMatch) {
- if (FcPatternGetBool(pat, FC_OUTLINE, 0, &ol) != FcResultMatch
- || ol != FcTrue)
- continue;
- if (FcPatternGetInteger(pat, FC_SLANT, 0, &at) != FcResultMatch
- || at < italic)
- continue;
- if (FcPatternGetInteger(pat, FC_WEIGHT, 0, &at) != FcResultMatch
- || at < bold)
- continue;
- if (strcasecmp(fullname, family) == 0) {
- FcFontSetAdd(result, FcPatternDuplicate(pat));
- break;
- }
- }
- }
- }
+#include "ass_fontconfig.h"
+#include "ass_fontselect.h"
+#include "ass_utils.h"
- return result;
-}
+#define MAX_FULLNAME 100
-/**
- * \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(ASS_Library *library, FCInstance *priv,
- const char *family, int treat_family_as_pattern,
- unsigned bold, unsigned italic, int *index,
- uint32_t code)
+static int check_glyph(void *priv, uint32_t code)
{
- FcBool rc;
- FcResult result;
- FcPattern *pat = NULL, *rpat = NULL;
- int r_index, r_slant, r_weight;
- FcChar8 *r_family, *r_style, *r_file, *r_fullname;
- FcBool r_outline, r_embolden;
- FcCharSet *r_charset;
- FcFontSet *ffullname = NULL, *fsorted = NULL, *fset = NULL;
- int curf;
- char *retval = NULL;
- int family_cnt = 0;
-
- *index = 0;
-
- if (treat_family_as_pattern)
- pat = FcNameParse((const FcChar8 *) family);
- else
- pat = FcPatternCreate();
+ FcPattern *pat = (FcPattern *)priv;
+ FcCharSet *charset;
if (!pat)
- goto error;
-
- if (!treat_family_as_pattern) {
- FcPatternAddString(pat, FC_FAMILY, (const FcChar8 *) family);
+ return 1;
- // 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);
- if (!s)
- goto error;
- 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);
- FcPatternAddInteger(pat, FC_WEIGHT, bold);
-
- FcDefaultSubstitute(pat);
-
- rc = FcConfigSubstitute(priv->config, pat, FcMatchPattern);
- if (!rc)
- goto error;
- /* Fontconfig defaults include a language setting, which it sets based on
- * some environment variables or defaults to "en". Unset this as we don't
- * know the real language, and because some some attached fonts lack
- * non-ascii characters included in fontconfig's list of characters
- * required for English support and therefore don't match the lang=en
- * criterion.
- */
- FcPatternDel(pat, "lang");
-
- fsorted = FcFontSort(priv->config, pat, FcFalse, NULL, &result);
- ffullname = match_fullname(library, priv, family, bold, italic);
- if (!fsorted || !ffullname)
- goto error;
-
- fset = FcFontSetCreate();
- for (curf = 0; curf < ffullname->nfont; ++curf) {
- FcPattern *curp = ffullname->fonts[curf];
- FcPatternReference(curp);
- FcFontSetAdd(fset, curp);
- }
- for (curf = 0; curf < fsorted->nfont; ++curf) {
- FcPattern *curp = fsorted->fonts[curf];
- FcPatternReference(curp);
- FcFontSetAdd(fset, curp);
- }
-
- for (curf = 0; curf < fset->nfont; ++curf) {
- FcPattern *curp = fset->fonts[curf];
-
- result = FcPatternGetBool(curp, FC_OUTLINE, 0, &r_outline);
- if (result != FcResultMatch)
- continue;
- if (r_outline != FcTrue)
- continue;
- if (!code)
- break;
- result = FcPatternGetCharSet(curp, FC_CHARSET, 0, &r_charset);
- if (result != FcResultMatch)
- continue;
- if (FcCharSetHasChar(r_charset, code))
- break;
- }
-
- if (curf >= fset->nfont)
- goto error;
-
- if (!treat_family_as_pattern) {
- // Remove all extra family names from original pattern.
- // After this, FcFontRenderPrepare will select the most relevant family
- // name in case there are more than one of them.
- for (; family_cnt > 1; --family_cnt)
- FcPatternRemove(pat, FC_FAMILY, family_cnt - 1);
- }
-
- rpat = FcFontRenderPrepare(priv->config, pat, fset->fonts[curf]);
- if (!rpat)
- goto error;
-
- result = FcPatternGetInteger(rpat, FC_INDEX, 0, &r_index);
- if (result != FcResultMatch)
- goto error;
- *index = r_index;
-
- result = FcPatternGetString(rpat, FC_FILE, 0, &r_file);
- if (result != FcResultMatch)
- goto error;
- retval = strdup((const char *) r_file);
- if (!retval)
- goto error;
-
- result = FcPatternGetString(rpat, FC_FAMILY, 0, &r_family);
- if (result != FcResultMatch)
- r_family = NULL;
-
- result = FcPatternGetString(rpat, FC_FULLNAME, 0, &r_fullname);
- if (result != FcResultMatch)
- r_fullname = NULL;
-
- if (!treat_family_as_pattern &&
- !(r_family && strcasecmp((const char *) r_family, family) == 0) &&
- !(r_fullname && strcasecmp((const char *) r_fullname, family) == 0)) {
- char *fallback = (char *) (r_fullname ? r_fullname : r_family);
- if (code) {
- ass_msg(library, MSGL_WARN,
- "fontconfig: cannot find glyph U+%04X in font '%s', falling back to '%s'",
- (unsigned int)code, family, fallback);
- } else {
- ass_msg(library, MSGL_WARN,
- "fontconfig: cannot find font '%s', falling back to '%s'",
- family, fallback);
- }
- }
+ if (code == 0)
+ return 1;
- result = FcPatternGetString(rpat, FC_STYLE, 0, &r_style);
+ FcResult result = FcPatternGetCharSet(pat, FC_CHARSET, 0, &charset);
if (result != FcResultMatch)
- r_style = NULL;
-
- result = FcPatternGetInteger(rpat, FC_SLANT, 0, &r_slant);
- if (result != FcResultMatch)
- r_slant = 0;
-
- result = FcPatternGetInteger(rpat, FC_WEIGHT, 0, &r_weight);
- if (result != FcResultMatch)
- r_weight = 0;
-
- result = FcPatternGetBool(rpat, FC_EMBOLDEN, 0, &r_embolden);
- if (result != FcResultMatch)
- r_embolden = 0;
-
- ass_msg(library, MSGL_V,
- "Font info: family '%s', style '%s', fullname '%s',"
- " slant %d, weight %d%s", (const char *) r_family,
- (const char *) r_style, (const char *) r_fullname, r_slant,
- r_weight, r_embolden ? ", embolden" : "");
-
- error:
- if (pat)
- FcPatternDestroy(pat);
- if (rpat)
- FcPatternDestroy(rpat);
- if (fsorted)
- FcFontSetDestroy(fsorted);
- if (ffullname)
- FcFontSetDestroy(ffullname);
- if (fset)
- FcFontSetDestroy(fset);
- return retval;
+ return 0;
+ if (FcCharSetHasChar(charset, code) == FcTrue)
+ return 1;
+ return 0;
}
-/**
- * \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(ASS_Library *library, FCInstance *priv,
- const char *family, int treat_family_as_pattern,
- unsigned bold, unsigned italic, int *index,
- uint32_t code)
+static void destroy(void *priv)
{
- char *res = 0;
- if (!priv->config) {
- *index = priv->index_default;
- res = priv->path_default ? strdup(priv->path_default) : 0;
- return res;
- }
- if (family && *family)
- res =
- select_font(library, priv, family, treat_family_as_pattern,
- bold, italic, index, code);
- if (!res && priv->family_default) {
- res =
- select_font(library, priv, priv->family_default, 0, bold,
- italic, index, code);
- if (res)
- ass_msg(library, MSGL_WARN, "fontconfig_select: Using default "
- "font family: (%s, %d, %d) -> %s, %d",
- family, bold, italic, res, *index);
- }
- if (!res && priv->path_default) {
- res = strdup(priv->path_default);
- *index = priv->index_default;
- if (res)
- ass_msg(library, MSGL_WARN, "fontconfig_select: Using default font: "
- "(%s, %d, %d) -> %s, %d", family, bold, italic,
- res, *index);
- }
- if (!res) {
- res = select_font(library, priv, "Arial", 0, bold, italic,
- index, code);
- if (res)
- ass_msg(library, MSGL_WARN, "fontconfig_select: Using 'Arial' "
- "font family: (%s, %d, %d) -> %s, %d", family, bold,
- italic, res, *index);
- }
- if (res)
- ass_msg(library, MSGL_V,
- "fontconfig_select: (%s, %d, %d) -> %s, %d", family, bold,
- italic, res, *index);
- return res;
+ FcConfig *config = (FcConfig *)priv;
+ FcConfigDestroy(config);
}
-/**
- * \brief Process memory font.
- * \param priv private data
- * \param library library object
- * \param ftlibrary freetype library object
- * \param idx index of the processed font in library->fontdata
- *
- * Builds a font pattern in memory via FT_New_Memory_Face/FcFreeTypeQueryFace.
-*/
-static void process_fontdata(FCInstance *priv, ASS_Library *library,
- FT_Library ftlibrary, int idx)
+static void scan_fonts(FcConfig *config, ASS_FontProvider *provider)
{
- int rc;
- const char *name = library->fontdata[idx].name;
- const char *data = library->fontdata[idx].data;
- int data_size = library->fontdata[idx].size;
-
- FT_Face face;
- FcPattern *pattern;
- FcFontSet *fset;
- FcBool res;
- int face_index, num_faces = 1;
-
- for (face_index = 0; face_index < num_faces; ++face_index) {
- ass_msg(library, MSGL_V, "Adding memory font '%s'", name);
+ int i;
+ FcFontSet *fonts;
+ ASS_FontProviderMetaData meta;
+
+ // get list of fonts
+ fonts = FcConfigGetFonts(config, FcSetSystem);
+
+ // fill font_info list
+ for (i = 0; i < fonts->nfont; i++) {
+ FcPattern *pat = fonts->fonts[i];
+ FcBool outline;
+ int index;
+ char *path;
+ char *fullnames[MAX_FULLNAME];
+
+ // skip non-outline fonts
+ FcResult result = FcPatternGetBool(pat, FC_OUTLINE, 0, &outline);
+ if (result != FcResultMatch || outline != FcTrue)
+ continue;
- rc = FT_New_Memory_Face(ftlibrary, (unsigned char *) data,
- data_size, face_index, &face);
- if (rc) {
- ass_msg(library, MSGL_WARN, "Error opening memory font: %s",
- name);
- return;
- }
- num_faces = face->num_faces;
+ // simple types
+ result = FcPatternGetInteger(pat, FC_SLANT, 0, &meta.slant);
+ result |= FcPatternGetInteger(pat, FC_WEIGHT, 0, &meta.weight);
+ result |= FcPatternGetInteger(pat, FC_INDEX, 0, &index);
+ if (result != FcResultMatch)
+ continue;
- pattern =
- FcFreeTypeQueryFace(face, (unsigned char *) name, face_index,
- FcConfigGetBlanks(priv->config));
- if (!pattern) {
- ass_msg(library, MSGL_WARN, "%s failed", "FcFreeTypeQueryFace");
- FT_Done_Face(face);
- return;
- }
+ // family name
+ // HACK: get the last family name. that fixes fonts
+ // like Arial Narrow in some versions
+ int n_family = 0;
+ while (FcPatternGetString(pat, FC_FAMILY, n_family,
+ (FcChar8 **)&meta.family) == FcResultMatch)
+ n_family++;
- fset = FcConfigGetFonts(priv->config, FcSetSystem); // somehow it failes when asked for FcSetApplication
- if (!fset) {
- ass_msg(library, MSGL_WARN, "%s failed", "FcConfigGetFonts");
- FT_Done_Face(face);
- return;
- }
+ // path
+ result = FcPatternGetString(pat, FC_FILE, 0, (FcChar8 **)&path);
+ if (result != FcResultMatch)
+ continue;
- res = FcFontSetAdd(fset, pattern);
- if (!res) {
- ass_msg(library, MSGL_WARN, "%s failed", "FcFontSetAdd");
- FT_Done_Face(face);
- return;
- }
+ // read and strdup fullnames
+ meta.n_fullname = 0;
+ while (FcPatternGetString(pat, FC_FULLNAME, meta.n_fullname,
+ (FcChar8 **)&fullnames[meta.n_fullname]) == FcResultMatch
+ && meta.n_fullname < MAX_FULLNAME)
+ meta.n_fullname++;
+ meta.fullnames = fullnames;
- FT_Done_Face(face);
+ ass_font_provider_add_font(provider, &meta, path, index, (void *)pat);
}
}
-/**
- * \brief Init fontconfig.
- * \param library libass library object
- * \param ftlibrary freetype library object
- * \param family default font family
- * \param path default font path
- * \param fc whether fontconfig should be used
- * \param config path to a fontconfig configuration file, or NULL
- * \param update whether the fontconfig cache should be built/updated
- * \return pointer to fontconfig private data
-*/
-FCInstance *fontconfig_init(ASS_Library *library,
- FT_Library ftlibrary, const char *family,
- const char *path, int fc, const char *config,
- int update)
+static ASS_FontProviderFuncs fontconfig_callbacks = {
+ NULL,
+ check_glyph,
+ NULL,
+ destroy
+};
+
+ASS_FontProvider *
+ass_fontconfig_add_provider(ASS_Library *lib, ASS_FontSelector *selector,
+ const char *config)
{
int rc;
- FCInstance *priv = calloc(1, sizeof(FCInstance));
- const char *dir = library->fonts_dir;
- int i;
-
- if (!priv)
- return NULL;
-
- if (!fc) {
- ass_msg(library, MSGL_WARN,
- "Fontconfig disabled, only default font will be used.");
- goto exit;
- }
+ FcConfig *fc_config;
+ ASS_FontProvider *provider = NULL;
- priv->config = FcConfigCreate();
- rc = FcConfigParseAndLoad(priv->config, (unsigned char *) config, FcTrue);
+ // build and load fontconfig configuration
+ fc_config = FcConfigCreate();
+ rc = FcConfigParseAndLoad(fc_config, (unsigned char *) config, FcTrue);
if (!rc) {
- ass_msg(library, MSGL_WARN, "No usable fontconfig configuration "
+ ass_msg(lib, MSGL_WARN, "No usable fontconfig configuration "
"file found, using fallback.");
- FcConfigDestroy(priv->config);
- priv->config = FcInitLoadConfig();
+ FcConfigDestroy(fc_config);
+ fc_config = FcInitLoadConfig();
rc++;
}
- if (rc && update) {
- FcConfigBuildFonts(priv->config);
- }
+ if (rc)
+ FcConfigBuildFonts(fc_config);
- if (!rc || !priv->config) {
- ass_msg(library, MSGL_FATAL,
+ if (!rc || !fc_config) {
+ ass_msg(lib, MSGL_FATAL,
"No valid fontconfig configuration found!");
- FcConfigDestroy(priv->config);
+ FcConfigDestroy(fc_config);
goto exit;
}
- for (i = 0; i < library->num_fontdata; ++i)
- process_fontdata(priv, library, ftlibrary, i);
+ // create font provider
+ provider = ass_font_provider_new(selector, &fontconfig_callbacks,
+ (void *)fc_config);
- if (dir) {
- ass_msg(library, MSGL_V, "Updating font cache");
-
- rc = FcConfigAppFontAddDir(priv->config, (const FcChar8 *) dir);
- if (!rc) {
- ass_msg(library, MSGL_WARN, "%s failed", "FcConfigAppFontAddDir");
- }
- }
+ // scan fonts
+ scan_fonts(fc_config, provider);
- priv->family_default = family ? strdup(family) : NULL;
exit:
- priv->path_default = path ? strdup(path) : NULL;
- priv->index_default = 0;
-
- return priv;
-}
-
-int fontconfig_update(FCInstance *priv)
-{
- return FcConfigBuildFonts(priv->config);
-}
-
-#else /* CONFIG_FONTCONFIG */
-
-char *fontconfig_select(ASS_Library *library, FCInstance *priv,
- const char *family, int treat_family_as_pattern,
- unsigned bold, unsigned italic, int *index,
- uint32_t code)
-{
- *index = priv->index_default;
- char* res = priv->path_default ? strdup(priv->path_default) : 0;
- return res;
-}
-
-FCInstance *fontconfig_init(ASS_Library *library,
- FT_Library ftlibrary, const char *family,
- const char *path, int fc, const char *config,
- int update)
-{
- FCInstance *priv;
-
- ass_msg(library, MSGL_WARN,
- "Fontconfig disabled, only default font will be used.");
-
- priv = calloc(1, sizeof(FCInstance));
- if (!priv)
- return NULL;
-
- priv->path_default = path ? strdup(path) : 0;
- priv->index_default = 0;
- return priv;
-}
-
-int fontconfig_update(FCInstance *priv)
-{
- // Do nothing
- return 1;
+ return provider;
}
#endif
-
-void fontconfig_done(FCInstance *priv)
-{
-
- if (priv) {
-#ifdef CONFIG_FONTCONFIG
- if (priv->config)
- FcConfigDestroy(priv->config);
-#endif
- free(priv->path_default);
- free(priv->family_default);
- }
- free(priv);
-}
diff --git a/libass/ass_fontconfig.h b/libass/ass_fontconfig.h
index 396fb72..6d4f5e9 100644
--- a/libass/ass_fontconfig.h
+++ b/libass/ass_fontconfig.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
+ * Copyright (C) 2011 Grigori Goronzy <greg@chown.ath.cx>
*
* This file is part of libass.
*
@@ -16,30 +16,20 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifndef LIBASS_FONTCONFIG_H
-#define LIBASS_FONTCONFIG_H
+#include "config.h"
-#include <stdint.h>
#include "ass_types.h"
-#include "ass.h"
-#include <ft2build.h>
-#include FT_FREETYPE_H
+#include "ass_fontselect.h"
+
+#ifndef ASS_FONTCONFIG_H
+#define ASS_FONTCONFIG_H
#ifdef CONFIG_FONTCONFIG
-#include <fontconfig/fontconfig.h>
-#endif
-typedef struct fc_instance FCInstance;
+ASS_FontProvider *
+ass_fontconfig_add_provider(ASS_Library *lib, ASS_FontSelector *selector,
+ const char *config);
-FCInstance *fontconfig_init(ASS_Library *library,
- FT_Library ftlibrary, const char *family,
- const char *path, int fc, const char *config,
- int update);
-char *fontconfig_select(ASS_Library *library, FCInstance *priv,
- const char *family, int treat_family_as_pattern,
- unsigned bold, unsigned italic, int *index,
- uint32_t code);
-void fontconfig_done(FCInstance *priv);
-int fontconfig_update(FCInstance *priv);
+#endif
-#endif /* LIBASS_FONTCONFIG_H */
+#endif
diff --git a/libass/ass_fontselect.c b/libass/ass_fontselect.c
new file mode 100644
index 0000000..481d4c9
--- /dev/null
+++ b/libass/ass_fontselect.c
@@ -0,0 +1,514 @@
+/*
+ * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
+ * Copyright (C) 2011 Grigori Goronzy <greg@chown.ath.cx>
+ *
+ * This file is part of libass.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <inttypes.h>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_SFNT_NAMES_H
+#include <iconv.h>
+
+#include "ass_utils.h"
+#include "ass.h"
+#include "ass_library.h"
+#include "ass_fontselect.h"
+#include "ass_fontconfig.h"
+
+#define ABS(x) ((x) < 0 ? -(x) : (x))
+#define MAX_FULLNAME 100
+
+// proposed structure for holding font data, used for collection
+// and matching. strings are utf-8.
+struct font_info {
+ char *famil