From 1cbd5dfd3195eb7c802eca9771d5f1ce1c50337e Mon Sep 17 00:00:00 2001 From: eugeni Date: Sun, 26 Nov 2006 22:49:27 +0000 Subject: Move fonts-related code to a separate file. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@21293 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libass/Makefile | 1 + libass/ass_cache.c | 48 +++--------------- libass/ass_cache.h | 3 ++ libass/ass_font.c | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++++ libass/ass_font.h | 38 ++++++++++++++ libass/ass_render.c | 37 ++++---------- 6 files changed, 197 insertions(+), 69 deletions(-) create mode 100644 libass/ass_font.c create mode 100644 libass/ass_font.h (limited to 'libass') diff --git a/libass/Makefile b/libass/Makefile index 9a7ddde92d..32952a06f5 100644 --- a/libass/Makefile +++ b/libass/Makefile @@ -11,6 +11,7 @@ SRCS = ass.c \ ass_mp.c \ ass_bitmap.c \ ass_library.c \ + ass_font.c \ CFLAGS = -I../libmpcodecs -D_GNU_SOURCE diff --git a/libass/ass_cache.c b/libass/ass_cache.c index e4d41e45b0..e3ef630708 100644 --- a/libass/ass_cache.c +++ b/libass/ass_cache.c @@ -30,6 +30,7 @@ #include "ass_fontconfig.h" #include "ass_bitmap.h" #include "ass_cache.h" +#include "ass_font.h" #define MAX_FONT_CACHE_SIZE 100 @@ -48,24 +49,6 @@ static int font_compare(ass_font_desc_t* a, ass_font_desc_t* b) { return 1; } -/** - * Select Microfost Unicode CharMap, if the font has one. - * Otherwise, let FreeType decide. - */ -static void charmap_magic(FT_Face face) -{ - int i; - for (i = 0; i < face->num_charmaps; ++i) { - FT_CharMap cmap = face->charmaps[i]; - unsigned pid = cmap->platform_id; - unsigned eid = cmap->encoding_id; - if (pid == 3 /*microsoft*/ && (eid == 1 /*unicode bmp*/ || eid == 10 /*full unicode*/)) { - FT_Set_Charmap(face, cmap); - break; - } - } -} - /** * \brief Get a face object, either from cache or created through FreeType+FontConfig. * \param library FreeType library object @@ -75,12 +58,9 @@ static void charmap_magic(FT_Face face) */ ass_font_t* ass_new_font(FT_Library library, void* fontconfig_priv, ass_font_desc_t* desc) { - FT_Error error; int i; - char* path; - int index; ass_font_t* item; - FT_Face face; + int error; for (i=0; ifamily, desc->bold, desc->italic, &index); - - error = FT_New_Face(library, path, index, &face); - if (error) { - if (!no_more_font_messages) - mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorOpeningFont, path, index); - no_more_font_messages = 1; - return 0; - } - - charmap_magic(face); - item = font_cache + font_cache_size; - item->path = strdup(path); - item->index = index; - item->face = face; - memcpy(&(item->desc), desc, sizeof(ass_font_desc_t)); + error = ass_font_init(library, fontconfig_priv, item, desc); + if (error) // FIXME: mp_msg + return 0; font_cache_size++; + return item; } @@ -123,9 +91,7 @@ void ass_font_cache_done(void) int i; for (i = 0; i < font_cache_size; ++i) { ass_font_t* item = font_cache + i; - if (item->face) FT_Done_Face(item->face); - if (item->path) free(item->path); - // FIXME: free desc ? + ass_font_free(item); } free(font_cache); font_cache_size = 0; diff --git a/libass/ass_cache.h b/libass/ass_cache.h index 9609547955..4fd5f79463 100644 --- a/libass/ass_cache.h +++ b/libass/ass_cache.h @@ -38,6 +38,9 @@ typedef struct ass_font_s { char* path; int index; FT_Face face; + FT_Matrix m; // current transformation + FT_Vector v; // current shift + int size; } ass_font_t; void ass_font_cache_init(void); diff --git a/libass/ass_font.c b/libass/ass_font.c new file mode 100644 index 0000000000..5778935d6b --- /dev/null +++ b/libass/ass_font.c @@ -0,0 +1,139 @@ +// -*- c-basic-offset: 8; indent-tabs-mode: t -*- +// vim:ts=8:sw=8:noet:ai: +/* + Copyright (C) 2006 Evgeniy Stepanov + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "config.h" + +#include +#include +#include FT_FREETYPE_H +#include FT_SYNTHESIS_H +#include FT_GLYPH_H + +#include "ass_font.h" +#include "ass_fontconfig.h" +#include "mputils.h" + +extern int no_more_font_messages; + +/** + * Select Microfost Unicode CharMap, if the font has one. + * Otherwise, let FreeType decide. + */ +static void charmap_magic(FT_Face face) +{ + int i; + for (i = 0; i < face->num_charmaps; ++i) { + FT_CharMap cmap = face->charmaps[i]; + unsigned pid = cmap->platform_id; + unsigned eid = cmap->encoding_id; + if (pid == 3 /*microsoft*/ && (eid == 1 /*unicode bmp*/ || eid == 10 /*full unicode*/)) { + FT_Set_Charmap(face, cmap); + break; + } + } +} + +int ass_font_init(FT_Library ftlibrary, void* fc_priv, ass_font_t* font, ass_font_desc_t* desc) +{ + char* path; + int index; + FT_Face face; + int error; + + path = fontconfig_select(fc_priv, desc->family, desc->bold, desc->italic, &index); + + error = FT_New_Face(ftlibrary, path, index, &face); + if (error) { + if (!no_more_font_messages) + mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorOpeningFont, path, index); + no_more_font_messages = 1; + return 1; + } + + charmap_magic(face); + + font->path = strdup(path); + font->index = index; + font->face = face; + font->desc.family = strdup(desc->family); + font->desc.bold = desc->bold; + font->desc.italic = desc->italic; + + font->m.xx = font->m.yy = (FT_Fixed)0x10000L; + font->m.xy = font->m.yy = 0; + font->v.x = font->v.y = 0; + + return 0; +} + +void ass_font_set_transform(ass_font_t* font, FT_Matrix* m, FT_Vector* v) +{ + font->m.xx = m->xx; + font->m.xy = m->xy; + font->m.yx = m->yx; + font->m.yy = m->yy; + font->v.x = v->x; + font->v.y = v->y; + FT_Set_Transform(font->face, &font->m, &font->v); +} + +void ass_font_set_size(ass_font_t* font, int size) +{ + font->size = size; + FT_Set_Pixel_Sizes(font->face, 0, size); +} + +FT_Glyph ass_font_get_glyph(void* fontconfig_priv, ass_font_t* font, uint32_t ch) +{ + int error; + int index; + FT_Glyph glyph; + + index = FT_Get_Char_Index(font->face, ch); + error = FT_Load_Glyph(font->face, index, FT_LOAD_NO_BITMAP ); + if (error) { + mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorLoadingGlyph); + return 0; + } + +#if (FREETYPE_MAJOR > 2) || \ + ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR >= 2)) || \ + ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR == 1) && (FREETYPE_PATCH >= 10)) +// FreeType >= 2.1.10 required + if (!(font->face->style_flags & FT_STYLE_FLAG_ITALIC) && + (font->desc.italic > 55)) { + FT_GlyphSlot_Oblique(font->face->glyph); + } +#endif + error = FT_Get_Glyph(font->face->glyph, &glyph); + if (error) { + mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorLoadingGlyph); + return 0; + } + + return glyph; +} + +void ass_font_free(ass_font_t* font) +{ + if (font->face) FT_Done_Face(font->face); + if (font->path) free(font->path); + if (font->desc.family) free(font->desc.family); +} diff --git a/libass/ass_font.h b/libass/ass_font.h new file mode 100644 index 0000000000..0e5998ca60 --- /dev/null +++ b/libass/ass_font.h @@ -0,0 +1,38 @@ +// -*- c-basic-offset: 8; indent-tabs-mode: t -*- +// vim:ts=8:sw=8:noet:ai: +/* + Copyright (C) 2006 Evgeniy Stepanov + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#ifndef __ASS_FONT_H__ +#define __ASS_FONT_H__ + +#include +#include FT_FREETYPE_H +#include FT_STROKER_H +#include FT_GLYPH_H + +#include "ass_bitmap.h" +#include "ass_cache.h" + +int ass_font_init(FT_Library ftlibrary, void* fc_priv, ass_font_t* font, ass_font_desc_t* desc); +void ass_font_set_transform(ass_font_t* font, FT_Matrix* m, FT_Vector* v); +void ass_font_set_size(ass_font_t* font, int size); +FT_Glyph ass_font_get_glyph(void* fontconfig_priv, ass_font_t* font, uint32_t ch); +void ass_font_free(ass_font_t* font); + +#endif diff --git a/libass/ass_render.c b/libass/ass_render.c index 01571d28a5..5175219c98 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -37,6 +37,7 @@ #include "ass_utils.h" #include "ass_fontconfig.h" #include "ass_library.h" +#include "ass_font.h" #define MAX_GLYPHS 1000 #define MAX_LINES 100 @@ -535,8 +536,8 @@ static void change_font_size(int sz) size = 1; else if (size > frame_context.height * 2) size = frame_context.height * 2; - - FT_Set_Pixel_Sizes(render_context.font->face, 0, size); + + ass_font_set_size(render_context.font, size); render_context.font_size = sz; } @@ -1232,27 +1233,10 @@ static int get_glyph(int index, int symbol, glyph_info_t* info, FT_Vector* advan // not found, get a new outline glyph from face // mp_msg(MSGT_ASS, MSGL_INFO, "miss, index = %d, symbol = %c, adv = (%d, %d)\n", index, symbol, advance->x, advance->y); - - error = FT_Load_Glyph(render_context.font->face, index, FT_LOAD_NO_BITMAP ); - if (error) { - mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorLoadingGlyph); - return error; - } - -#if (FREETYPE_MAJOR > 2) || \ - ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR >= 2)) || \ - ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR == 1) && (FREETYPE_PATCH >= 10)) -// FreeType >= 2.1.10 required - if (!(render_context.font->face->style_flags & FT_STYLE_FLAG_ITALIC) && - ((render_context.italic == 1) || (render_context.italic > 55))) { - FT_GlyphSlot_Oblique(render_context.font->face->glyph); - } -#endif - error = FT_Get_Glyph(render_context.font->face->glyph, &(info->glyph)); - if (error) { - mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorLoadingGlyph); - return error; - } + + info->glyph = ass_font_get_glyph(frame_context.ass_priv->fontconfig_priv, render_context.font, symbol); + if (!info->glyph) + return 0; info->advance.x = info->glyph->advance.x >> 10; info->advance.y = info->glyph->advance.y >> 10; @@ -1633,17 +1617,14 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images) shift.x = pen.x & 63; shift.y = pen.y & 63; - if ((render_context.scale_x != 1.) || (render_context.scale_y != 1.) || - (frame_context.font_scale_x != 1.)) { + { FT_Matrix matrix; matrix.xx = (FT_Fixed)( render_context.scale_x * frame_context.font_scale_x * 0x10000L ); matrix.xy = (FT_Fixed)( 0 * 0x10000L ); matrix.yx = (FT_Fixed)( 0 * 0x10000L ); matrix.yy = (FT_Fixed)( render_context.scale_y * 0x10000L ); - FT_Set_Transform( render_context.font->face, &matrix, &shift ); - } else { - FT_Set_Transform(render_context.font->face, 0, &shift); + ass_font_set_transform(render_context.font, &matrix, &shift ); } error = get_glyph(glyph_index, code, text_info.glyphs + text_info.length, &shift); -- cgit v1.2.3