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Commit f8486788 authored by Laurent Aimar's avatar Laurent Aimar
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No functionnal changes. 

Reorder functions to avoid forward declarations.
parent 127fa733
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Showing with 454 additions and 475 deletions
modules/misc/text_renderer/freetype.c
View file @ f8486788
...@@ -197,31 +197,6 @@ vlc_module_end () ...@@ -197,31 +197,6 @@ vlc_module_end ()
* Local prototypes * Local prototypes
*****************************************************************************/ *****************************************************************************/
/* The RenderText call maps to pf_render_string, defined in vlc_filter.h */
static int RenderText( filter_t *, subpicture_region_t *,
subpicture_region_t * );
#ifdef HAVE_STYLES
static int RenderHtml( filter_t *, subpicture_region_t *,
subpicture_region_t * );
#endif
#ifdef HAVE_FONTCONFIG
static void FontConfig_BuildCache( filter_t * );
static char* FontConfig_Select( FcConfig *, const char *,
bool, bool, int, int * );
#endif
#ifdef WIN32
static char* Win32_Select( filter_t *, const char *,
bool, bool, int, int * );
#endif
static int LoadFontsFromAttachments( filter_t *p_filter );
static int GetFontSize( filter_t *p_filter );
static int SetFontSize( filter_t *, int );
static void YUVFromRGB( uint32_t i_argb,
uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v );
typedef struct line_desc_t line_desc_t; typedef struct line_desc_t line_desc_t;
struct line_desc_t struct line_desc_t
{ {
...@@ -249,6 +224,7 @@ struct line_desc_t ...@@ -249,6 +224,7 @@ struct line_desc_t
line_desc_t *p_next; line_desc_t *p_next;
}; };
static line_desc_t *NewLine( int ); static line_desc_t *NewLine( int );
static void FreeLines( line_desc_t * );
typedef struct typedef struct
{ {
...@@ -273,10 +249,6 @@ struct font_stack_t ...@@ -273,10 +249,6 @@ struct font_stack_t
font_stack_t *p_next; font_stack_t *p_next;
}; };
static int RenderYUVP( filter_t *, subpicture_region_t *, line_desc_t *, int, int);
static void FreeLines( line_desc_t * );
static void FreeLine( line_desc_t * );
/***************************************************************************** /*****************************************************************************
* filter_sys_t: freetype local data * filter_sys_t: freetype local data
***************************************************************************** *****************************************************************************
...@@ -308,191 +280,19 @@ struct filter_sys_t ...@@ -308,191 +280,19 @@ struct filter_sys_t
}; };
/* */ /* */
/***************************************************************************** static void YUVFromRGB( uint32_t i_argb,
* Create: allocates osd-text video thread output method uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v )
*****************************************************************************
* This function allocates and initializes a Clone vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
char *psz_fontfile = NULL;
char *psz_fontfamily = NULL;
int i_error = 0, fontindex = 0;
/* Allocate structure */
p_filter->p_sys = p_sys = malloc( sizeof( filter_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->psz_fontfamily = NULL;
#ifdef HAVE_STYLES
p_sys->p_xml = NULL;
#endif
p_sys->p_face = 0;
p_sys->p_library = 0;
p_sys->i_font_size = 0;
p_sys->i_display_height = 0;
var_Create( p_filter, "freetype-rel-fontsize",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
psz_fontfamily = var_InheritString( p_filter, "freetype-font" );
p_sys->i_default_font_size = var_InheritInteger( p_filter, "freetype-fontsize" );
p_sys->i_effect = var_InheritInteger( p_filter, "freetype-effect" );
p_sys->i_font_opacity = var_InheritInteger( p_filter,"freetype-opacity" );
p_sys->i_font_opacity = __MAX( __MIN( p_sys->i_font_opacity, 255 ), 0 );
p_sys->i_font_color = var_InheritInteger( p_filter, "freetype-color" );
p_sys->i_font_color = __MAX( __MIN( p_sys->i_font_color , 0xFFFFFF ), 0 );
#ifdef WIN32
/* Get Windows Font folder */
wchar_t wdir[MAX_PATH];
if( S_OK != SHGetFolderPathW( NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, wdir ) )
{
GetWindowsDirectoryW( wdir, MAX_PATH );
wcscat( wdir, L"\\fonts" );
}
p_sys->psz_win_fonts_path = FromWide( wdir );
#endif
/* Set default psz_fontfamily */
if( !psz_fontfamily || !*psz_fontfamily )
{
free( psz_fontfamily );
#ifdef HAVE_STYLES
psz_fontfamily = strdup( DEFAULT_FAMILY );
#else
# ifdef WIN32
if( asprintf( &psz_fontfamily, "%s"DEFAULT_FONT_FILE, p_sys->psz_win_fonts_path ) == -1 )
goto error;
# else
psz_fontfamily = strdup( DEFAULT_FONT_FILE );
# endif
msg_Err( p_filter,"User specified an empty fontfile, using %s", psz_fontfamily );
#endif
}
/* Set the current font file */
p_sys->psz_fontfamily = psz_fontfamily;
#ifdef HAVE_STYLES
#ifdef HAVE_FONTCONFIG
FontConfig_BuildCache( p_filter );
/* */
psz_fontfile = FontConfig_Select( NULL, psz_fontfamily, false, false,
p_sys->i_default_font_size, &fontindex );
#elif defined(WIN32)
psz_fontfile = Win32_Select( p_filter, psz_fontfamily, false, false,
p_sys->i_default_font_size, &fontindex );
#endif
msg_Dbg( p_filter, "Using %s as font from file %s", psz_fontfamily, psz_fontfile );
/* If nothing is found, use the default family */
if( !psz_fontfile )
psz_fontfile = strdup( psz_fontfamily );
#else /* !HAVE_STYLES */
/* Use the default file */
psz_fontfile = psz_fontfamily;
#endif
/* */
i_error = FT_Init_FreeType( &p_sys->p_library );
if( i_error )
{
msg_Err( p_filter, "couldn't initialize freetype" );
goto error;
}
i_error = FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
fontindex, &p_sys->p_face );
if( i_error == FT_Err_Unknown_File_Format )
{
msg_Err( p_filter, "file %s have unknown format",
psz_fontfile ? psz_fontfile : "(null)" );
goto error;
}
else if( i_error )
{
msg_Err( p_filter, "failed to load font file %s",
psz_fontfile ? psz_fontfile : "(null)" );
goto error;
}
#ifdef HAVE_STYLES
free( psz_fontfile );
#endif
i_error = FT_Select_Charmap( p_sys->p_face, ft_encoding_unicode );
if( i_error )
{
msg_Err( p_filter, "font has no unicode translation table" );
goto error;
}
p_sys->i_use_kerning = FT_HAS_KERNING( p_sys->p_face );
if( SetFontSize( p_filter, 0 ) != VLC_SUCCESS ) goto error;
p_sys->pp_font_attachments = NULL;
p_sys->i_font_attachments = 0;
p_filter->pf_render_text = RenderText;
#ifdef HAVE_STYLES
p_filter->pf_render_html = RenderHtml;
#else
p_filter->pf_render_html = NULL;
#endif
LoadFontsFromAttachments( p_filter );
return VLC_SUCCESS;
error:
if( p_sys->p_face ) FT_Done_Face( p_sys->p_face );
if( p_sys->p_library ) FT_Done_FreeType( p_sys->p_library );
#ifdef HAVE_STYLES
free( psz_fontfile );
#endif
free( psz_fontfamily );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* Destroy: destroy Clone video thread output method
*****************************************************************************
* Clean up all data and library connections
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{ {
filter_t *p_filter = (filter_t *)p_this; int i_red = ( i_argb & 0x00ff0000 ) >> 16;
filter_sys_t *p_sys = p_filter->p_sys; int i_green = ( i_argb & 0x0000ff00 ) >> 8;
int i_blue = ( i_argb & 0x000000ff );
if( p_sys->pp_font_attachments )
{
for( int k = 0; k < p_sys->i_font_attachments; k++ )
vlc_input_attachment_Delete( p_sys->pp_font_attachments[k] );
free( p_sys->pp_font_attachments );
}
#ifdef HAVE_STYLES
if( p_sys->p_xml ) xml_ReaderDelete( p_sys->p_xml );
#endif
free( p_sys->psz_fontfamily );
/* FcFini asserts calling the subfunction FcCacheFini()
* even if no other library functions have been made since FcInit(),
* so don't call it. */
FT_Done_Face( p_sys->p_face ); *pi_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
FT_Done_FreeType( p_sys->p_library ); 802 * i_blue + 4096 + 131072 ) >> 13, 235);
free( p_sys ); *pi_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
3598 * i_blue + 4096 + 1048576) >> 13, 240);
*pi_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
-585 * i_blue + 4096 + 1048576) >> 13, 240);
} }
/***************************************************************************** /*****************************************************************************
...@@ -533,26 +333,283 @@ static int LoadFontsFromAttachments( filter_t *p_filter ) ...@@ -533,26 +333,283 @@ static int LoadFontsFromAttachments( filter_t *p_filter )
return VLC_SUCCESS; return VLC_SUCCESS;
} }
/***************************************************************************** static int GetFontSize( filter_t *p_filter )
* RenderYUVP: place string in picture
*****************************************************************************
* This function merges the previously rendered freetype glyphs into a picture
*****************************************************************************/
static int RenderYUVP( filter_t *p_filter, subpicture_region_t *p_region,
line_desc_t *p_line, int i_width, int i_height )
{ {
VLC_UNUSED(p_filter); filter_sys_t *p_sys = p_filter->p_sys;
static const uint8_t pi_gamma[16] = vlc_value_t val;
{0x00, 0x52, 0x84, 0x96, 0xb8, 0xca, 0xdc, 0xee, 0xff, int i_size = 0;
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
uint8_t *p_dst; if( p_sys->i_default_font_size )
video_format_t fmt; {
int i, x, y, i_pitch; if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
uint8_t i_y, i_u, i_v; /* YUV values, derived from incoming RGB */ i_size = p_sys->i_default_font_size * val.i_int / 1000;
else
i_size = p_sys->i_default_font_size;
}
else
{
var_Get( p_filter, "freetype-rel-fontsize", &val );
if( val.i_int > 0 )
{
i_size = (int)p_filter->fmt_out.video.i_height / val.i_int;
p_filter->p_sys->i_display_height =
p_filter->fmt_out.video.i_height;
}
}
if( i_size <= 0 )
{
msg_Warn( p_filter, "invalid fontsize, using 12" );
if( VLC_SUCCESS == var_Get( p_filter, "scale", &val ))
i_size = 12 * val.i_int / 1000;
else
i_size = 12;
}
return i_size;
}
/* Create a new subpicture region */ static int SetFontSize( filter_t *p_filter, int i_size )
memset( &fmt, 0, sizeof(video_format_t) ); {
filter_sys_t *p_sys = p_filter->p_sys;
if( !i_size )
{
i_size = GetFontSize( p_filter );
msg_Dbg( p_filter, "using fontsize: %i", i_size );
}
p_sys->i_font_size = i_size;
if( FT_Set_Pixel_Sizes( p_sys->p_face, 0, i_size ) )
{
msg_Err( p_filter, "couldn't set font size to %d", i_size );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
#ifdef HAVE_STYLES
#ifdef HAVE_FONTCONFIG
static void FontConfig_BuildCache( filter_t *p_filter )
{
/* */
msg_Dbg( p_filter, "Building font databases.");
mtime_t t1, t2;
t1 = mdate();
#ifdef WIN32
dialog_progress_bar_t *p_dialog = NULL;
FcConfig *fcConfig = FcInitLoadConfig();
p_dialog = dialog_ProgressCreate( p_filter,
_("Building font cache"),
_("Please wait while your font cache is rebuilt.\n"
"This should take less than a few minutes."), NULL );
/* if( p_dialog )
dialog_ProgressSet( p_dialog, NULL, 0.5 ); */
FcConfigBuildFonts( fcConfig );
if( p_dialog )
{
// dialog_ProgressSet( p_dialog, NULL, 1.0 );
dialog_ProgressDestroy( p_dialog );
p_dialog = NULL;
}
#endif
t2 = mdate();
msg_Dbg( p_filter, "Took %ld microseconds", (long)((t2 - t1)) );
}
/***
* \brief Selects a font matching family, bold, italic provided
***/
static char* FontConfig_Select( FcConfig* config, const char* family,
bool b_bold, bool b_italic, int i_size, int *i_idx )
{
FcResult result = FcResultMatch;
FcPattern *pat, *p_pat;
FcChar8* val_s;
FcBool val_b;
/* Create a pattern and fills it */
pat = FcPatternCreate();
if (!pat) return NULL;
/* */
FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
if( i_size != -1 )
{
char *psz_fontsize;
if( asprintf( &psz_fontsize, "%d", i_size ) != -1 )
{
FcPatternAddString( pat, FC_SIZE, (const FcChar8 *)psz_fontsize );
free( psz_fontsize );
}
}
/* */
FcDefaultSubstitute( pat );
if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
{
FcPatternDestroy( pat );
return NULL;
}
/* Find the best font for the pattern, destroy the pattern */
p_pat = FcFontMatch( config, pat, &result );
FcPatternDestroy( pat );
if( !p_pat || result == FcResultNoMatch ) return NULL;
/* Check the new pattern */
if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
|| ( val_b != FcTrue ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
{
*i_idx = 0;
}
if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
/* if( strcasecmp((const char*)val_s, family ) != 0 )
msg_Warn( p_filter, "fontconfig: selected font family is not"
"the requested one: '%s' != '%s'\n",
(const char*)val_s, family ); */
if( FcResultMatch != FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
FcPatternDestroy( p_pat );
return strdup( (const char*)val_s );
}
#endif
#ifdef WIN32
#define UNICODE
#define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
static int GetFileFontByName( const char *font_name, char **psz_filename )
{
HKEY hKey;
wchar_t vbuffer[MAX_PATH];
wchar_t dbuffer[256];
if( RegOpenKeyEx(HKEY_LOCAL_MACHINE, FONT_DIR_NT, 0, KEY_READ, &hKey) != ERROR_SUCCESS )
return 1;
for( int index = 0;; index++ )
{
DWORD vbuflen = MAX_PATH - 1;
DWORD dbuflen = 255;
if( RegEnumValueW( hKey, index, vbuffer, &vbuflen,
NULL, NULL, (LPBYTE)dbuffer, &dbuflen) != ERROR_SUCCESS )
return 2;
char *psz_value = FromWide( vbuffer );
char *s = strchr( psz_value,'(' );
if( s != NULL && s != psz_value ) s[-1] = '\0';
/* Manage concatenated font names */
if( strchr( psz_value, '&') ) {
if( strcasestr( psz_value, font_name ) != NULL )
break;
}
else {
if( strcasecmp( psz_value, font_name ) == 0 )
break;
}
}
*psz_filename = FromWide( dbuffer );
return 0;
}
static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *lpelfe, const NEWTEXTMETRICEX *metric,
DWORD type, LPARAM lParam)
{
VLC_UNUSED( metric );
if( (type & RASTER_FONTTYPE) ) return 1;
// if( lpelfe->elfScript ) FIXME
return GetFileFontByName( (const char *)lpelfe->elfFullName, (char **)lParam );
}
static char* Win32_Select( filter_t *p_filter, const char* family,
bool b_bold, bool b_italic, int i_size, int *i_idx )
{
VLC_UNUSED( i_size );
// msg_Dbg( p_filter, "Here in Win32_Select, asking for %s", family );
/* */
LOGFONT lf;
lf.lfCharSet = DEFAULT_CHARSET;
if( b_italic )
lf.lfItalic = true;
if( b_bold )
lf.lfWeight = FW_BOLD;
strncpy( (LPSTR)&lf.lfFaceName, family, 32);
/* */
char *psz_filename = NULL;
HDC hDC = GetDC( NULL );
EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)&EnumFontCallback, (LPARAM)&psz_filename, 0);
ReleaseDC(NULL, hDC);
if( psz_filename == NULL )
return NULL;
/* FIXME: increase i_idx, when concatenated strings */
i_idx = 0;
/* */
char *psz_tmp;
if( asprintf( &psz_tmp, "%s\\%s", p_filter->p_sys->psz_win_fonts_path, psz_filename ) == -1 )
return NULL;
return psz_tmp;
}
#endif
#endif
/*****************************************************************************
* RenderYUVP: place string in picture
*****************************************************************************
* This function merges the previously rendered freetype glyphs into a picture
*****************************************************************************/
static int RenderYUVP( filter_t *p_filter, subpicture_region_t *p_region,
line_desc_t *p_line, int i_width, int i_height )
{
VLC_UNUSED(p_filter);
static const uint8_t pi_gamma[16] =
{0x00, 0x52, 0x84, 0x96, 0xb8, 0xca, 0xdc, 0xee, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
uint8_t *p_dst;
video_format_t fmt;
int i, x, y, i_pitch;
uint8_t i_y, i_u, i_v; /* YUV values, derived from incoming RGB */
/* Create a new subpicture region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_CODEC_YUVP; fmt.i_chroma = VLC_CODEC_YUVP;
fmt.i_width = fmt.i_visible_width = i_width + 4; fmt.i_width = fmt.i_visible_width = i_width + 4;
fmt.i_height = fmt.i_visible_height = i_height + 4; fmt.i_height = fmt.i_visible_height = i_height + 4;
...@@ -2621,205 +2678,9 @@ static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out, ...@@ -2621,205 +2678,9 @@ static int RenderHtml( filter_t *p_filter, subpicture_region_t *p_region_out,
return RenderCommon( p_filter, p_region_out, p_region_in, true ); return RenderCommon( p_filter, p_region_out, p_region_in, true );
} }
#ifdef WIN32 #endif
#define UNICODE
#define FONT_DIR_NT "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"
static int GetFileFontByName( const char *font_name, char **psz_filename ) static void FreeLine( line_desc_t *p_line )
{
HKEY hKey;
wchar_t vbuffer[MAX_PATH];
wchar_t dbuffer[256];
if( RegOpenKeyEx(HKEY_LOCAL_MACHINE, FONT_DIR_NT, 0, KEY_READ, &hKey) != ERROR_SUCCESS )
return 1;
for( int index = 0;; index++ )
{
DWORD vbuflen = MAX_PATH - 1;
DWORD dbuflen = 255;
if( RegEnumValueW( hKey, index, vbuffer, &vbuflen,
NULL, NULL, (LPBYTE)dbuffer, &dbuflen) != ERROR_SUCCESS )
return 2;
char *psz_value = FromWide( vbuffer );
char *s = strchr( psz_value,'(' );
if( s != NULL && s != psz_value ) s[-1] = '\0';
/* Manage concatenated font names */
if( strchr( psz_value, '&') ) {
if( strcasestr( psz_value, font_name ) != NULL )
break;
}
else {
if( strcasecmp( psz_value, font_name ) == 0 )
break;
}
}
*psz_filename = FromWide( dbuffer );
return 0;
}
static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *lpelfe, const NEWTEXTMETRICEX *metric,
DWORD type, LPARAM lParam)
{
VLC_UNUSED( metric );
if( (type & RASTER_FONTTYPE) ) return 1;
// if( lpelfe->elfScript ) FIXME
return GetFileFontByName( (const char *)lpelfe->elfFullName, (char **)lParam );
}
static char* Win32_Select( filter_t *p_filter, const char* family,
bool b_bold, bool b_italic, int i_size, int *i_idx )
{
VLC_UNUSED( i_size );
// msg_Dbg( p_filter, "Here in Win32_Select, asking for %s", family );
/* */
LOGFONT lf;
lf.lfCharSet = DEFAULT_CHARSET;
if( b_italic )
lf.lfItalic = true;
if( b_bold )
lf.lfWeight = FW_BOLD;
strncpy( (LPSTR)&lf.lfFaceName, family, 32);
/* */
char *psz_filename = NULL;
HDC hDC = GetDC( NULL );
EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)&EnumFontCallback, (LPARAM)&psz_filename, 0);
ReleaseDC(NULL, hDC);
if( psz_filename == NULL )
return NULL;
/* FIXME: increase i_idx, when concatenated strings */
i_idx = 0;
/* */
char *psz_tmp;
if( asprintf( &psz_tmp, "%s\\%s", p_filter->p_sys->psz_win_fonts_path, psz_filename ) == -1 )
return NULL;
return psz_tmp;
}
#endif
#ifdef HAVE_FONTCONFIG
static void FontConfig_BuildCache( filter_t *p_filter )
{
/* */
msg_Dbg( p_filter, "Building font databases.");
mtime_t t1, t2;
t1 = mdate();
#ifdef WIN32
dialog_progress_bar_t *p_dialog = NULL;
FcConfig *fcConfig = FcInitLoadConfig();
p_dialog = dialog_ProgressCreate( p_filter,
_("Building font cache"),
_("Please wait while your font cache is rebuilt.\n"
"This should take less than a few minutes."), NULL );
/* if( p_dialog )
dialog_ProgressSet( p_dialog, NULL, 0.5 ); */
FcConfigBuildFonts( fcConfig );
if( p_dialog )
{
// dialog_ProgressSet( p_dialog, NULL, 1.0 );
dialog_ProgressDestroy( p_dialog );
p_dialog = NULL;
}
#endif
t2 = mdate();
msg_Dbg( p_filter, "Took %ld microseconds", (long)((t2 - t1)) );
}
/***
* \brief Selects a font matching family, bold, italic provided
***/
static char* FontConfig_Select( FcConfig* config, const char* family,
bool b_bold, bool b_italic, int i_size, int *i_idx )
{
FcResult result = FcResultMatch;
FcPattern *pat, *p_pat;
FcChar8* val_s;
FcBool val_b;
/* Create a pattern and fills it */
pat = FcPatternCreate();
if (!pat) return NULL;
/* */
FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
if( i_size != -1 )
{
char *psz_fontsize;
if( asprintf( &psz_fontsize, "%d", i_size ) != -1 )
{
FcPatternAddString( pat, FC_SIZE, (const FcChar8 *)psz_fontsize );
free( psz_fontsize );
}
}
/* */
FcDefaultSubstitute( pat );
if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
{
FcPatternDestroy( pat );
return NULL;
}
/* Find the best font for the pattern, destroy the pattern */
p_pat = FcFontMatch( config, pat, &result );
FcPatternDestroy( pat );
if( !p_pat || result == FcResultNoMatch ) return NULL;
/* Check the new pattern */
if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
|| ( val_b != FcTrue ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
{
*i_idx = 0;
}
if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
/* if( strcasecmp((const char*)val_s, family ) != 0 )
msg_Warn( p_filter, "fontconfig: selected font family is not"
"the requested one: '%s' != '%s'\n",
(const char*)val_s, family ); */
if( FcResultMatch != FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
FcPatternDestroy( p_pat );
return strdup( (const char*)val_s );
}
#endif
#endif
static void FreeLine( line_desc_t *p_line )
{ {
unsigned int i; unsigned int i;
for( i = 0; p_line->pp_glyphs[ i ] != NULL; i++ ) for( i = 0; p_line->pp_glyphs[ i ] != NULL; i++ )
...@@ -2889,73 +2750,191 @@ static line_desc_t *NewLine( int i_count ) ...@@ -2889,73 +2750,191 @@ static line_desc_t *NewLine( int i_count )
return p_line; return p_line;
} }
static int GetFontSize( filter_t *p_filter ) /*****************************************************************************
* Create: allocates osd-text video thread output method
*****************************************************************************
* This function allocates and initializes a Clone vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{ {
filter_sys_t *p_sys = p_filter->p_sys; filter_t *p_filter = (filter_t *)p_this;
vlc_value_t val; filter_sys_t *p_sys;
int i_size = 0; char *psz_fontfile = NULL;
char *psz_fontfamily = NULL;
int i_error = 0, fontindex = 0;
if( p_sys->i_default_font_size ) /* Allocate structure */
p_filter->p_sys = p_sys = malloc( sizeof( filter_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->psz_fontfamily = NULL;
#ifdef HAVE_STYLES
p_sys->p_xml = NULL;
#endif
p_sys->p_face = 0;
p_sys->p_library = 0;
p_sys->i_font_size = 0;
p_sys->i_display_height = 0;
var_Create( p_filter, "freetype-rel-fontsize",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
psz_fontfamily = var_InheritString( p_filter, "freetype-font" );
p_sys->i_default_font_size = var_InheritInteger( p_filter, "freetype-fontsize" );
p_sys->i_effect = var_InheritInteger( p_filter, "freetype-effect" );
p_sys->i_font_opacity = var_InheritInteger( p_filter,"freetype-opacity" );
p_sys->i_font_opacity = __MAX( __MIN( p_sys->i_font_opacity, 255 ), 0 );
p_sys->i_font_color = var_InheritInteger( p_filter, "freetype-color" );
p_sys->i_font_color = __MAX( __MIN( p_sys->i_font_color , 0xFFFFFF ), 0 );
#ifdef WIN32
/* Get Windows Font folder */
wchar_t wdir[MAX_PATH];
if( S_OK != SHGetFolderPathW( NULL, CSIDL_FONTS, NULL, SHGFP_TYPE_CURRENT, wdir ) )
{ {
if( VLC_SUCCESS == var_Get( p_filter, "scale", &val )) GetWindowsDirectoryW( wdir, MAX_PATH );
i_size = p_sys->i_default_font_size * val.i_int / 1000; wcscat( wdir, L"\\fonts" );
else
i_size = p_sys->i_default_font_size;
} }
else p_sys->psz_win_fonts_path = FromWide( wdir );
#endif
/* Set default psz_fontfamily */
if( !psz_fontfamily || !*psz_fontfamily )
{ {
var_Get( p_filter, "freetype-rel-fontsize", &val ); free( psz_fontfamily );
if( val.i_int > 0 ) #ifdef HAVE_STYLES
psz_fontfamily = strdup( DEFAULT_FAMILY );
#else
# ifdef WIN32
if( asprintf( &psz_fontfamily, "%s"DEFAULT_FONT_FILE, p_sys->psz_win_fonts_path ) == -1 )
goto error;
# else
psz_fontfamily = strdup( DEFAULT_FONT_FILE );
# endif
msg_Err( p_filter,"User specified an empty fontfile, using %s", psz_fontfamily );
#endif
}
/* Set the current font file */
p_sys->psz_fontfamily = psz_fontfamily;
#ifdef HAVE_STYLES
#ifdef HAVE_FONTCONFIG
FontConfig_BuildCache( p_filter );
/* */
psz_fontfile = FontConfig_Select( NULL, psz_fontfamily, false, false,
p_sys->i_default_font_size, &fontindex );
#elif defined(WIN32)
psz_fontfile = Win32_Select( p_filter, psz_fontfamily, false, false,
p_sys->i_default_font_size, &fontindex );
#endif
msg_Dbg( p_filter, "Using %s as font from file %s", psz_fontfamily, psz_fontfile );
/* If nothing is found, use the default family */
if( !psz_fontfile )
psz_fontfile = strdup( psz_fontfamily );
#else /* !HAVE_STYLES */
/* Use the default file */
psz_fontfile = psz_fontfamily;
#endif
/* */
i_error = FT_Init_FreeType( &p_sys->p_library );
if( i_error )
{ {
i_size = (int)p_filter->fmt_out.video.i_height / val.i_int; msg_Err( p_filter, "couldn't initialize freetype" );
p_filter->p_sys->i_display_height = goto error;
p_filter->fmt_out.video.i_height; }
i_error = FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
fontindex, &p_sys->p_face );
if( i_error == FT_Err_Unknown_File_Format )
{
msg_Err( p_filter, "file %s have unknown format",
psz_fontfile ? psz_fontfile : "(null)" );
goto error;
} }
else if( i_error )
{
msg_Err( p_filter, "failed to load font file %s",
psz_fontfile ? psz_fontfile : "(null)" );
goto error;
} }
if( i_size <= 0 ) #ifdef HAVE_STYLES
free( psz_fontfile );
#endif
i_error = FT_Select_Charmap( p_sys->p_face, ft_encoding_unicode );
if( i_error )
{ {
msg_Warn( p_filter, "invalid fontsize, using 12" ); msg_Err( p_filter, "font has no unicode translation table" );
if( VLC_SUCCESS == var_Get( p_filter, "scale", &val )) goto error;
i_size = 12 * val.i_int / 1000;
else
i_size = 12;
} }
return i_size;
p_sys->i_use_kerning = FT_HAS_KERNING( p_sys->p_face );
if( SetFontSize( p_filter, 0 ) != VLC_SUCCESS ) goto error;
p_sys->pp_font_attachments = NULL;
p_sys->i_font_attachments = 0;
p_filter->pf_render_text = RenderText;
#ifdef HAVE_STYLES
p_filter->pf_render_html = RenderHtml;
#else
p_filter->pf_render_html = NULL;
#endif
LoadFontsFromAttachments( p_filter );
return VLC_SUCCESS;
error:
if( p_sys->p_face ) FT_Done_Face( p_sys->p_face );
if( p_sys->p_library ) FT_Done_FreeType( p_sys->p_library );
#ifdef HAVE_STYLES
free( psz_fontfile );
#endif
free( psz_fontfamily );
free( p_sys );
return VLC_EGENERIC;
} }
static int SetFontSize( filter_t *p_filter, int i_size ) /*****************************************************************************
* Destroy: destroy Clone video thread output method
*****************************************************************************
* Clean up all data and library connections
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{ {
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys; filter_sys_t *p_sys = p_filter->p_sys;
if( !i_size ) if( p_sys->pp_font_attachments )
{ {
i_size = GetFontSize( p_filter ); for( int k = 0; k < p_sys->i_font_attachments; k++ )
vlc_input_attachment_Delete( p_sys->pp_font_attachments[k] );
msg_Dbg( p_filter, "using fontsize: %i", i_size ); free( p_sys->pp_font_attachments );
} }
p_sys->i_font_size = i_size; #ifdef HAVE_STYLES
if( p_sys->p_xml ) xml_ReaderDelete( p_sys->p_xml );
#endif
free( p_sys->psz_fontfamily );
if( FT_Set_Pixel_Sizes( p_sys->p_face, 0, i_size ) ) /* FcFini asserts calling the subfunction FcCacheFini()
{ * even if no other library functions have been made since FcInit(),
msg_Err( p_filter, "couldn't set font size to %d", i_size ); * so don't call it. */
return VLC_EGENERIC;
}
return VLC_SUCCESS; FT_Done_Face( p_sys->p_face );
FT_Done_FreeType( p_sys->p_library );
free( p_sys );
} }
static void YUVFromRGB( uint32_t i_argb,
uint8_t *pi_y, uint8_t *pi_u, uint8_t *pi_v )
{
int i_red = ( i_argb & 0x00ff0000 ) >> 16;
int i_green = ( i_argb & 0x0000ff00 ) >> 8;
int i_blue = ( i_argb & 0x000000ff );
*pi_y = (uint8_t)__MIN(abs( 2104 * i_red + 4130 * i_green +
802 * i_blue + 4096 + 131072 ) >> 13, 235);
*pi_u = (uint8_t)__MIN(abs( -1214 * i_red + -2384 * i_green +
3598 * i_blue + 4096 + 1048576) >> 13, 240);
*pi_v = (uint8_t)__MIN(abs( 3598 * i_red + -3013 * i_green +
-585 * i_blue + 4096 + 1048576) >> 13, 240);
}
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