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Commit 688c6b0e authored by Laurent Aimar's avatar Laurent Aimar
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Small clean up/simplifications in freetype.

parent 14774023
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Inline Side-by-side
Showing with 82 additions and 142 deletions
modules/misc/text_renderer/freetype.c
View file @ 688c6b0e
......@@ -212,8 +212,9 @@ struct line_desc_t
int *pi_underline_offset;
uint16_t *pi_underline_thickness;
int i_height;
int i_width;
int i_height;
int i_alpha;
line_desc_t *p_next;
......@@ -290,7 +291,7 @@ static int LoadFontsFromAttachments( filter_t *p_filter )
return VLC_EGENERIC;
p_sys->i_font_attachments = 0;
p_sys->pp_font_attachments = malloc( i_attachments_cnt * sizeof( input_attachment_t * ));
p_sys->pp_font_attachments = malloc( i_attachments_cnt * sizeof(*p_sys->pp_font_attachments));
if( !p_sys->pp_font_attachments )
return VLC_ENOMEM;
......@@ -871,20 +872,15 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
i_pitch = p_region->p_picture->A_PITCH;
/* Initialize the region pixels */
memset( p_dst_y, 0x00, i_pitch * p_region->fmt.i_height );
memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
if( p_filter->p_sys->i_effect != EFFECT_BACKGROUND )
{
memset( p_dst_y, 0x00, i_pitch * p_region->fmt.i_height );
memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
memset( p_dst_a, 0, i_pitch * p_region->fmt.i_height );
}
memset( p_dst_a, 0x00, i_pitch * p_region->fmt.i_height );
else
{
memset( p_dst_y, 0x0, i_pitch * p_region->fmt.i_height );
memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
memset( p_dst_a, 0x80, i_pitch * p_region->fmt.i_height );
}
if( p_filter->p_sys->i_effect == EFFECT_OUTLINE ||
p_filter->p_sys->i_effect == EFFECT_OUTLINE_FAT )
{
......@@ -1011,7 +1007,7 @@ static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
static text_style_t *CreateStyle( char *psz_fontname, int i_font_size,
uint32_t i_font_color, uint32_t i_karaoke_bg_color,
bool b_bold, bool b_italic, bool b_uline, bool b_through )
int i_style_flags )
{
text_style_t *p_style = text_style_New();
if( !p_style )
......@@ -1023,15 +1019,7 @@ static text_style_t *CreateStyle( char *psz_fontname, int i_font_size,
p_style->i_font_alpha = (i_font_color & 0xff000000) >> 24;
p_style->i_karaoke_background_color = (i_karaoke_bg_color & 0x00ffffff) >> 0;
p_style->i_karaoke_background_alpha = (i_karaoke_bg_color & 0xff000000) >> 24;
if( b_bold )
p_style->i_style_flags |= STYLE_BOLD;
if( b_italic )
p_style->i_style_flags |= STYLE_ITALIC;
if( b_uline )
p_style->i_style_flags |= STYLE_UNDERLINE;
if( b_through )
p_style->i_style_flags |= STYLE_STRIKEOUT;
p_style->i_style_flags |= i_style_flags;
return p_style;
}
......@@ -1077,13 +1065,11 @@ static void IconvText( filter_t *p_filter, const char *psz_string,
static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
uint32_t i_color, uint32_t i_karaoke_bg_color )
{
font_stack_t *p_new;
if( !p_font )
return VLC_EGENERIC;
p_new = malloc( sizeof( font_stack_t ) );
if( ! p_new )
font_stack_t *p_new = malloc( sizeof(*p_new) );
if( !p_new )
return VLC_ENOMEM;
p_new->p_next = NULL;
......@@ -1465,23 +1451,21 @@ static void SetupKaraoke( xml_reader_t *p_xml_reader, uint32_t *pi_k_runs,
if( *ppi_k_durations )
{
*ppi_k_durations = realloc_or_free( *ppi_k_durations,
*pi_k_runs * sizeof( uint32_t ) );
*pi_k_runs * sizeof(**ppi_k_durations) );
}
else if( *pi_k_runs == 1 )
{
*ppi_k_durations = (uint32_t *)
malloc( *pi_k_runs * sizeof( uint32_t ) );
*ppi_k_durations = malloc( *pi_k_runs * sizeof(**ppi_k_durations) );
}
if( *ppi_k_run_lengths )
{
*ppi_k_run_lengths = realloc_or_free( *ppi_k_run_lengths,
*pi_k_runs * sizeof( uint32_t ) );
*pi_k_runs * sizeof(**ppi_k_run_lengths) );
}
else if( *pi_k_runs == 1 )
{
*ppi_k_run_lengths = (uint32_t *)
malloc( *pi_k_runs * sizeof( uint32_t ) );
*ppi_k_run_lengths = malloc( *pi_k_runs * sizeof(**ppi_k_run_lengths) );
}
if( *ppi_k_durations )
(*ppi_k_durations)[ *pi_k_runs - 1 ] = atoi( value );
......@@ -1514,8 +1498,7 @@ static void HandleWhiteSpace( char *psz_node )
static text_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
font_stack_t **p_fonts,
bool b_bold, bool b_italic,
bool b_uline, bool b_through )
int i_style_flags )
{
char *psz_fontname = NULL;
uint32_t i_font_color = p_sys->i_font_color & 0x00ffffff;
......@@ -1527,7 +1510,8 @@ static text_style_t *GetStyleFromFontStack( filter_sys_t *p_sys,
return NULL;
return CreateStyle( psz_fontname, i_font_size, i_font_color,
i_karaoke_bg_color, b_bold, b_italic, b_uline, b_through );
i_karaoke_bg_color,
i_style_flags );
}
static int RenderTag( filter_t *p_filter, FT_Face p_face,
......@@ -1752,11 +1736,11 @@ static void SetupLine( filter_t *p_filter, const char *psz_text_in,
if( *ppp_styles )
{
*ppp_styles = realloc_or_free( *ppp_styles,
*pi_runs * sizeof( text_style_t * ) );
*pi_runs * sizeof(**ppp_styles) );
}
else if( *pi_runs == 1 )
{
*ppp_styles = malloc( *pi_runs * sizeof( text_style_t * ) );
*ppp_styles = malloc( *pi_runs * sizeof(**ppp_styles) );
}
/* We have just malloc'ed this memory successfully -
......@@ -1772,12 +1756,11 @@ static void SetupLine( filter_t *p_filter, const char *psz_text_in,
if( *ppi_run_lengths )
{
*ppi_run_lengths = realloc_or_free( *ppi_run_lengths,
*pi_runs * sizeof( uint32_t ) );
*pi_runs * sizeof(**ppi_run_lengths) );
}
else if( *pi_runs == 1 )
{
*ppi_run_lengths = (uint32_t *)
malloc( *pi_runs * sizeof( uint32_t ) );
*ppi_run_lengths = malloc( *pi_runs * sizeof(**ppi_run_lengths) );
}
/* same remarks here */
......@@ -1808,25 +1791,14 @@ static int CheckForEmbeddedFont( filter_sys_t *p_sys, FT_Face *pp_face, text_sty
{
if( p_face )
{
bool match = !strcasecmp( p_face->family_name,
p_style->psz_fontname );
if( p_face->style_flags & FT_STYLE_FLAG_BOLD )
match &= (p_style->i_style_flags & STYLE_BOLD) != 0;
else
match &= (p_style->i_style_flags & STYLE_BOLD) == 0;
if( p_face->style_flags & FT_STYLE_FLAG_ITALIC )
match &= (p_style->i_style_flags & STYLE_ITALIC) != 0;
else
match &= (p_style->i_style_flags & STYLE_ITALIC) == 0;
if( match )
int i_style_received = ((p_face->style_flags & FT_STYLE_FLAG_BOLD) ? STYLE_BOLD : 0) |
((p_face->style_flags & FT_STYLE_FLAG_ITALIC ) ? STYLE_ITALIC : 0);
if( !strcasecmp( p_face->family_name, p_style->psz_fontname ) &&
(p_style->i_style_flags & (STYLE_BOLD | STYLE_BOLD)) == i_style_received )
{
*pp_face = p_face;
return VLC_SUCCESS;
}
FT_Done_Face( p_face );
}
i_font_idx++;
......@@ -1855,10 +1827,7 @@ static int ProcessNodes( filter_t *p_filter,
uint32_t *psz_text_orig = psz_text;
font_stack_t *p_fonts = NULL;
bool b_italic = false;
bool b_bold = false;
bool b_uline = false;
bool b_through = false;
int i_style_flags = 0;
if( p_font_style )
{
......@@ -1870,14 +1839,10 @@ static int ProcessNodes( filter_t *p_filter,
(p_font_style->i_karaoke_background_color & 0xffffff) |
((p_font_style->i_karaoke_background_alpha & 0xff) << 24));
if( p_font_style->i_style_flags & STYLE_BOLD )
b_bold = true;
if( p_font_style->i_style_flags & STYLE_ITALIC )
b_italic = true;
if( p_font_style->i_style_flags & STYLE_UNDERLINE )
b_uline = true;
if( p_font_style->i_style_flags & STYLE_STRIKEOUT )
b_through = true;
i_style_flags = p_font_style->i_style_flags & (STYLE_BOLD |
STYLE_ITALIC |
STYLE_UNDERLINE |
STYLE_STRIKEOUT);
}
#ifdef HAVE_STYLES
else
......@@ -1905,36 +1870,33 @@ static int ProcessNodes( filter_t *p_filter,
if( !strcasecmp( "font", node ) )
PopFont( &p_fonts );
else if( !strcasecmp( "b", node ) )
b_bold = false;
i_style_flags &= ~STYLE_BOLD;
else if( !strcasecmp( "i", node ) )
b_italic = false;
i_style_flags &= ~STYLE_ITALIC;
else if( !strcasecmp( "u", node ) )
b_uline = false;
i_style_flags &= ~STYLE_UNDERLINE;
else if( !strcasecmp( "s", node ) )
b_through = false;
i_style_flags &= ~STYLE_STRIKEOUT;
break;
case XML_READER_STARTELEM:
if( !strcasecmp( "font", node ) )
rv = HandleFontAttributes( p_xml_reader, &p_fonts );
else if( !strcasecmp( "b", node ) )
b_bold = true;
i_style_flags |= STYLE_BOLD;
else if( !strcasecmp( "i", node ) )
b_italic = true;
i_style_flags |= STYLE_ITALIC;
else if( !strcasecmp( "u", node ) )
b_uline = true;
i_style_flags |= STYLE_UNDERLINE;
else if( !strcasecmp( "s", node ) )
b_through = true;
i_style_flags |= STYLE_STRIKEOUT;
else if( !strcasecmp( "br", node ) )
{
SetupLine( p_filter, "\n", &psz_text,
pi_runs, ppi_run_lengths, ppp_styles,
GetStyleFromFontStack( p_sys,
&p_fonts,
b_bold,
b_italic,
b_uline,
b_through) );
i_style_flags ) );
}
else if( !strcasecmp( "k", node ) )
{
......@@ -1963,10 +1925,7 @@ static int ProcessNodes( filter_t *p_filter,
pi_runs, ppi_run_lengths, ppp_styles,
GetStyleFromFontStack( p_sys,
&p_fonts,
b_bold,
b_italic,
b_uline,
b_through) );
i_style_flags ) );
free( psz_node );
break;
}
......@@ -1992,11 +1951,9 @@ static int ProcessNodes( filter_t *p_filter,
static void FreeLine( line_desc_t *p_line )
{
unsigned int i;
for( i = 0; p_line->pp_glyphs[ i ] != NULL; i++ )
{
FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[ i ] );
}
for( int i = 0; p_line->pp_glyphs && p_line->pp_glyphs[i] != NULL; i++ )
FT_Done_Glyph( (FT_Glyph)p_line->pp_glyphs[i] );
free( p_line->pp_glyphs );
free( p_line->p_glyph_pos );
free( p_line->p_fg_rgb );
......@@ -2009,53 +1966,43 @@ static void FreeLine( line_desc_t *p_line )
static void FreeLines( line_desc_t *p_lines )
{
line_desc_t *p_line, *p_next;
if( !p_lines ) return;
for( p_line = p_lines; p_line != NULL; p_line = p_next )
for( line_desc_t *p_line = p_lines; p_line != NULL; )
{
p_next = p_line->p_next;
line_desc_t *p_next = p_line->p_next;
FreeLine( p_line );
p_line = p_next;
}
}
static line_desc_t *NewLine( int i_count )
{
line_desc_t *p_line = malloc( sizeof(line_desc_t) );
line_desc_t *p_line = malloc( sizeof(*p_line) );
if( !p_line )
return NULL;
if( !p_line ) return NULL;
p_line->i_height = 0;
p_line->i_width = 0;
p_line->i_height = 0;
p_line->i_alpha = 0xff;
p_line->p_next = NULL;
p_line->pp_glyphs = malloc( sizeof(FT_BitmapGlyph) * ( i_count + 1 ) );
p_line->p_glyph_pos = malloc( sizeof( FT_Vector ) * ( i_count + 1 ) );
p_line->p_fg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
p_line->p_bg_rgb = malloc( sizeof( uint32_t ) * ( i_count + 1 ) );
p_line->p_fg_bg_ratio = calloc( i_count + 1, sizeof( uint8_t ) );
p_line->pi_underline_offset = calloc( i_count + 1, sizeof( int ) );
p_line->pi_underline_thickness = calloc( i_count + 1, sizeof( uint16_t ) );
if( ( p_line->pp_glyphs == NULL ) ||
( p_line->p_glyph_pos == NULL ) ||
( p_line->p_fg_rgb == NULL ) ||
( p_line->p_bg_rgb == NULL ) ||
( p_line->p_fg_bg_ratio == NULL ) ||
( p_line->pi_underline_offset == NULL ) ||
( p_line->pi_underline_thickness == NULL ) )
p_line->pp_glyphs = calloc( i_count + 1, sizeof(*p_line->pp_glyphs) );
p_line->p_glyph_pos = calloc( i_count + 1, sizeof(*p_line->p_glyph_pos) );
p_line->p_fg_rgb = calloc( i_count + 1, sizeof(*p_line->p_fg_rgb) );
p_line->p_bg_rgb = calloc( i_count + 1, sizeof(*p_line->p_bg_rgb) );
p_line->p_fg_bg_ratio = calloc( i_count + 1, sizeof(*p_line->p_fg_bg_ratio) );
p_line->pi_underline_offset = calloc( i_count + 1, sizeof(*p_line->pi_underline_offset) );
p_line->pi_underline_thickness = calloc( i_count + 1, sizeof(*p_line->pi_underline_thickness) );
if( !p_line->pp_glyphs || !p_line->p_glyph_pos ||
!p_line->p_fg_rgb || !p_line->p_bg_rgb || !p_line->p_fg_bg_ratio ||
!p_line->pi_underline_offset || !p_line->pi_underline_thickness )
{
free( p_line->pi_underline_thickness );
free( p_line->pi_underline_offset );
free( p_line->p_fg_rgb );
free( p_line->p_bg_rgb );
free( p_line->p_fg_bg_ratio );
free( p_line->p_glyph_pos );
free( p_line->pp_glyphs );
free( p_line );
FreeLine( p_line );
return NULL;
}
p_line->pp_glyphs[0] = NULL;
return p_line;
}
......@@ -2088,13 +2035,13 @@ static int ProcessLines( filter_t *p_filter,
* after the characters have been shuffled around by Fribidi, we can re-apply
* the styles, and to simplify the calculation of runs within a line.
*/
pp_char_styles = (text_style_t **) malloc( i_len * sizeof( text_style_t * ));
pp_char_styles = malloc( i_len * sizeof(*pp_char_styles));
if( !pp_char_styles )
return VLC_ENOMEM;
if( b_karaoke )
{
pi_karaoke_bar = (uint8_t *) malloc( i_len * sizeof( uint8_t ));
pi_karaoke_bar = malloc( i_len * sizeof(*pi_karaoke_bar));
/* If we can't allocate sufficient memory for karaoke, continue anyway -
* we just won't be able to display the progress bar; at least we'll
* get the text.
......@@ -2113,16 +2060,12 @@ static int ProcessLines( filter_t *p_filter,
uint32_t *p_fribidi_string;
int start_pos, pos = 0;
pp_char_styles_new = (text_style_t **)malloc( i_len * sizeof( text_style_t * ));
pp_char_styles_new = malloc( i_len * sizeof(*pp_char_styles_new));
p_fribidi_string = (uint32_t *)
malloc( (i_len + 1) * sizeof(uint32_t) );
p_old_positions = (int *)
malloc( (i_len + 1) * sizeof( int ) );
p_new_positions = (int *)
malloc( (i_len + 1) * sizeof( int ) );
p_levels = (int8_t *)
malloc( (i_len + 1) * sizeof( int8_t ) );
p_fribidi_string = malloc( (i_len + 1) * sizeof(*p_fribidi_string) );
p_old_positions = malloc( (i_len + 1) * sizeof(*p_old_positions) );
p_new_positions = malloc( (i_len + 1) * sizeof(*p_new_positions) );
p_levels = malloc( (i_len + 1) * sizeof(*p_levels) );
if( ! pp_char_styles_new ||
! p_fribidi_string ||
......@@ -2354,8 +2297,7 @@ static int ProcessLines( filter_t *p_filter,
FT_HAS_KERNING( ( p_face ? p_face : p_sys->p_face ) );
uint32_t *psz_unicode = (uint32_t *)
malloc( (k - i_prev + 1) * sizeof( uint32_t ));
uint32_t *psz_unicode = malloc( (k - i_prev + 1) * sizeof(*psz_unicode) );
if( !psz_unicode )
{
if( p_face ) FT_Done_Face( p_face );
......@@ -2386,7 +2328,6 @@ static int ProcessLines( filter_t *p_filter,
return VLC_ENOMEM;
}
p_line->i_alpha = p_style->i_font_alpha & 0xff;
p_line->p_next = NULL;
i_pen_x = 0;
i_pen_y += tmp_result.y;
tmp_result.x = 0;
......@@ -2628,17 +2569,16 @@ static int RenderCommon( filter_t *p_filter, subpicture_region_t *p_region_out,
(p_region_in->p_style->i_font_color & 0xffffff) |
((p_region_in->p_style->i_font_alpha & 0xff) << 24),
0x00ffffff,
p_region_in->p_style->i_style_flags & STYLE_BOLD,
p_region_in->p_style->i_style_flags & STYLE_ITALIC,
p_region_in->p_style->i_style_flags & STYLE_UNDERLINE,
p_region_in->p_style->i_style_flags & STYLE_STRIKEOUT);
p_region_in->p_style->i_style_flags & (STYLE_BOLD |
STYLE_ITALIC |
STYLE_UNDERLINE |
STYLE_STRIKEOUT) );
else
p_style = CreateStyle( p_sys->psz_fontfamily,
p_sys->i_font_size,
(p_sys->i_font_color & 0xffffff) |
(((255-p_sys->i_font_opacity) & 0xff) << 24),
0x00ffffff,
false, false, false, false );
0x00ffffff, 0);
uint32_t i_run_length = i_text_length;
rv = ProcessLines( p_filter, psz_text, i_text_length,
......@@ -2698,7 +2638,7 @@ static int Create( vlc_object_t *p_this )
int i_error = 0, fontindex = 0;
/* Allocate structure */
p_filter->p_sys = p_sys = malloc( sizeof( filter_sys_t ) );
p_filter->p_sys = p_sys = malloc( sizeof(*p_sys) );
if( !p_sys )
return VLC_ENOMEM;
......
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