X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fgtk2%2Fproducer_pango.c;h=a7ac1fa0b5b5e583c3d7a0276df8a9ecc34c6b7e;hb=72b3bc4629d011be72a82a7c5351d49271af200b;hp=11f9285093fb90f405bf1df9999babd4e42f3a08;hpb=8a3795b090723264c973d274eedc28da480e76fd;p=melted diff --git a/src/modules/gtk2/producer_pango.c b/src/modules/gtk2/producer_pango.c index 11f9285..a7ac1fa 100644 --- a/src/modules/gtk2/producer_pango.c +++ b/src/modules/gtk2/producer_pango.c @@ -55,6 +55,24 @@ static void pango_draw_background( GdkPixbuf *pixbuf, rgba_color bg ); static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const char *font, rgba_color fg, rgba_color bg, int pad, int align ); +/** Parse the alignment property. +*/ + +static int alignment_parse( char* align ) +{ + int ret = pango_align_left; + + if ( align == NULL ); + else if ( isdigit( align[ 0 ] ) ) + ret = atoi( align ); + else if ( align[ 0 ] == 'c' || align[ 0 ] == 'm' ) + ret = pango_align_center; + else if ( align[ 0 ] == 'r' ) + ret = pango_align_right; + + return ret; +} + mlt_producer producer_pango_init( const char *filename ) { producer_pango this = calloc( sizeof( struct producer_pango_s ), 1 ); @@ -81,7 +99,6 @@ mlt_producer producer_pango_init( const char *filename ) if ( filename == NULL ) { - mlt_properties_set( properties, "resource", "pango" ); mlt_properties_set( properties, "markup", "" ); } else if ( filename[ 0 ] == '+' || strstr( filename, "/+" ) ) @@ -131,7 +148,6 @@ mlt_producer producer_pango_init( const char *filename ) } else { - mlt_properties_set( properties, "resource", "pango" ); mlt_properties_set( properties, "markup", "" ); } } @@ -224,16 +240,16 @@ static void refresh_image( mlt_frame frame, int width, int height ) // Get producer properties char *fg = mlt_properties_get( producer_props, "fgcolour" ); char *bg = mlt_properties_get( producer_props, "bgcolour" ); - int align = mlt_properties_get_int( producer_props, "align" ); + int align = alignment_parse( mlt_properties_get( producer_props, "align" ) ); int pad = mlt_properties_get_int( producer_props, "pad" ); char *markup = mlt_properties_get( producer_props, "markup" ); char *text = mlt_properties_get( producer_props, "text" ); char *font = mlt_properties_get( producer_props, "font" ); // See if any properties changed - int property_changed = ( this->fgcolor == NULL || strcmp( fg, this->fgcolor ) ); - property_changed = property_changed || ( this->bgcolor == NULL || strcmp( bg, this->bgcolor ) ); - property_changed = property_changed || ( align != this->align ); + int property_changed = ( align != this->align ); + property_changed = property_changed || ( this->fgcolor == NULL || ( fg && strcmp( fg, this->fgcolor ) ) ); + property_changed = property_changed || ( this->bgcolor == NULL || ( bg && strcmp( bg, this->bgcolor ) ) ); property_changed = property_changed || ( pad != this->pad ); property_changed = property_changed || ( markup && this->markup && strcmp( markup, this->markup ) ); property_changed = property_changed || ( text && this->text && strcmp( text, this->text ) ); @@ -253,8 +269,8 @@ static void refresh_image( mlt_frame frame, int width, int height ) rgba_color fgcolor = parse_color( this->fgcolor ); rgba_color bgcolor = parse_color( this->bgcolor ); - free( this->image ); - free( this->alpha ); + mlt_pool_release( this->image ); + mlt_pool_release( this->alpha ); this->image = NULL; this->alpha = NULL; @@ -272,53 +288,52 @@ static void refresh_image( mlt_frame frame, int width, int height ) // Store the width/height of the pixbuf temporarily this->width = gdk_pixbuf_get_width( pixbuf ); this->height = gdk_pixbuf_get_height( pixbuf ); - - mlt_properties_set_int( producer_props, "bpp", gdk_pixbuf_get_has_alpha( pixbuf ) ? 4 : 3 ); } } - else if ( this->image == NULL || width != this->width || height != this->height ) + else if ( width > 0 && ( this->image == NULL || width != this->width || height != this->height ) ) { - free( this->image ); - free( this->alpha ); + mlt_pool_release( this->image ); + mlt_pool_release( this->alpha ); this->image = NULL; this->alpha = NULL; pixbuf = mlt_properties_get_data( producer_props, "pixbuf", NULL ); - mlt_properties_set_int( producer_props, "bpp", gdk_pixbuf_get_has_alpha( pixbuf ) ? 4 : 3 ); } - int bpp = mlt_properties_get_int( producer_props, "bpp" ); - // If we have a pixbuf and a valid width if ( pixbuf && width > 0 ) { + char *interps = mlt_properties_get( properties, "rescale.interp" ); + int interp = GDK_INTERP_BILINEAR; + + if ( strcmp( interps, "nearest" ) == 0 ) + interp = GDK_INTERP_NEAREST; + else if ( strcmp( interps, "tiles" ) == 0 ) + interp = GDK_INTERP_TILES; + else if ( strcmp( interps, "hyper" ) == 0 ) + interp = GDK_INTERP_HYPER; + +// fprintf( stderr, "SCALING PANGO from %dx%d to %dx%d was %dx%d\n", gdk_pixbuf_get_width( pixbuf ), gdk_pixbuf_get_height( pixbuf ), width, height, this->width, this->height ); + // Note - the original pixbuf is already safe and ready for destruction - pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, GDK_INTERP_NEAREST ); + pixbuf = gdk_pixbuf_scale_simple( pixbuf, width, height, interp ); // Store width and height this->width = width; this->height = height; // Allocate/define image - // IRRIGATE ME - uint8_t *image = malloc( width * ( height + 1 ) * bpp ); - uint8_t *alpha = NULL; - - // Allocate the alpha mask - alpha = malloc( this->width * this->height ); + this->image = mlt_pool_alloc( width * ( height + 1 ) * 2 ); + this->alpha = mlt_pool_alloc( this->width * this->height ); // Convert the image mlt_convert_rgb24a_to_yuv422( gdk_pixbuf_get_pixels( pixbuf ), this->width, this->height, gdk_pixbuf_get_rowstride( pixbuf ), - image, alpha ); + this->image, this->alpha ); // Finished with pixbuf now g_object_unref( pixbuf ); - - // reference the image in the producer - this->image = image; - this->alpha = alpha; } // Set width/height @@ -328,7 +343,7 @@ static void refresh_image( mlt_frame frame, int width, int height ) mlt_properties_set_int( properties, "real_height", mlt_properties_get_int( producer_props, "real_height" ) ); // pass the image data without destructor - mlt_properties_set_data( properties, "image", this->image, this->width * ( this->height + 1 ) * bpp, NULL, NULL ); + mlt_properties_set_data( properties, "image", this->image, this->width * ( this->height + 1 ) * 2, NULL, NULL ); mlt_properties_set_data( properties, "alpha", this->alpha, this->width * this->height, NULL, NULL ); } @@ -361,15 +376,14 @@ static int producer_get_image( mlt_frame frame, uint8_t **buffer, mlt_image_form if ( writable ) { // Clone our image - // IRRIGATE ME - uint8_t *copy = malloc( size ); + uint8_t *copy = mlt_pool_alloc( size ); memcpy( copy, image, size ); // We're going to pass the copy on image = copy; // Now update properties so we free the copy after - mlt_properties_set_data( properties, "image", copy, size, free, NULL ); + mlt_properties_set_data( properties, "image", copy, size, ( mlt_destructor )mlt_pool_release, NULL ); } // Pass on the image @@ -405,7 +419,7 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i // Set producer-specific frame properties mlt_properties_set_int( properties, "progressive", 1 ); - mlt_properties_set_double( properties, "aspect_ratio", mlt_properties_get_double( properties, "real_width" ) / mlt_properties_get_double( properties, "real_height" ) ); + mlt_properties_set_double( properties, "aspect_ratio", 1 ); // Set alpha call back ( *frame )->get_alpha_mask = producer_get_alpha_mask; @@ -425,8 +439,8 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i static void producer_close( mlt_producer parent ) { producer_pango this = parent->child; - free( this->image ); - free( this->alpha ); + mlt_pool_release( this->image ); + mlt_pool_release( this->alpha ); free( this->fgcolor ); free( this->bgcolor ); free( this->markup ); @@ -490,10 +504,12 @@ static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const bitmap.width = w; bitmap.pitch = 32 * ( ( w + 31 ) / 31 ); bitmap.rows = h; - bitmap.buffer = ( unsigned char * ) calloc( 1, h * bitmap.pitch ); + bitmap.buffer = mlt_pool_alloc( h * bitmap.pitch ); bitmap.num_grays = 256; bitmap.pixel_mode = ft_pixel_mode_grays; + memset( bitmap.buffer, 0, h * bitmap.pitch ); + pango_ft2_render_layout( &bitmap, layout, 0, 0 ); src = bitmap.buffer; @@ -512,12 +528,10 @@ static GdkPixbuf *pango_get_pixbuf( const char *markup, const char *text, const } dest += stride; } - free( bitmap.buffer ); - + mlt_pool_release( bitmap.buffer ); g_object_unref( layout ); g_object_unref( context ); g_object_unref( fontmap ); return pixbuf; } -