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* src/base/ftobjs.c (FT_Render_Glyph_Internal): Formatting.
This commit is contained in:
Alexei Podtelezhnikov
parent
6d9fc45fc4
commit
590b77014b
1 changed files with 87 additions and 95 deletions
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@ -4737,121 +4737,113 @@
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FT_Error error = FT_Err_Ok;
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FT_Face face = slot->face;
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FT_Renderer renderer;
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FT_ListNode node = NULL;
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switch ( slot->format )
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/* try to render colored glyph layers as a special case */
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if ( slot->internal->load_flags & FT_LOAD_COLOR )
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{
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default:
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if ( slot->internal->load_flags & FT_LOAD_COLOR )
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FT_LayerIterator iterator;
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FT_UInt base_glyph = slot->glyph_index;
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FT_Bool have_layers;
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FT_UInt glyph_index;
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FT_UInt color_index;
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iterator.p = NULL;
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have_layers = FT_Get_Color_Glyph_Layer( face,
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base_glyph,
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&glyph_index,
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&color_index,
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&iterator );
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if ( have_layers )
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{
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FT_LayerIterator iterator;
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FT_UInt base_glyph = slot->glyph_index;
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FT_Bool have_layers;
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FT_UInt glyph_index;
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FT_UInt color_index;
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/* check whether we have colored glyph layers */
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iterator.p = NULL;
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have_layers = FT_Get_Color_Glyph_Layer( face,
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base_glyph,
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&glyph_index,
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&color_index,
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&iterator );
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if ( have_layers )
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error = FT_New_GlyphSlot( face, NULL );
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if ( !error )
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{
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error = FT_New_GlyphSlot( face, NULL );
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if ( !error )
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TT_Face ttface = (TT_Face)face;
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SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
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do
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{
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TT_Face ttface = (TT_Face)face;
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SFNT_Service sfnt = (SFNT_Service)ttface->sfnt;
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FT_Int32 load_flags = slot->internal->load_flags;
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do
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{
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FT_Int32 load_flags = slot->internal->load_flags;
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/* disable the `FT_LOAD_COLOR' flag to avoid recursion */
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/* right here in this function */
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load_flags &= ~FT_LOAD_COLOR;
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/* render into the new `face->glyph' glyph slot */
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load_flags |= FT_LOAD_RENDER;
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/* disable the `FT_LOAD_COLOR' flag to avoid recursion */
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/* right here in this function */
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load_flags &= ~FT_LOAD_COLOR;
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error = FT_Load_Glyph( face, glyph_index, load_flags );
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if ( error )
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break;
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/* render into the new `face->glyph' glyph slot */
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load_flags |= FT_LOAD_RENDER;
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/* blend new `face->glyph' into old `slot'; */
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/* at the first call, `slot' is still empty */
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error = sfnt->colr_blend( ttface,
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color_index,
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slot,
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face->glyph );
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if ( error )
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break;
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error = FT_Load_Glyph( face, glyph_index, load_flags );
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if ( error )
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break;
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/* blend new `face->glyph' into old `slot'; */
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/* at the first call, `slot' is still empty */
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error = sfnt->colr_blend( ttface,
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color_index,
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slot,
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face->glyph );
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if ( error )
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break;
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} while ( FT_Get_Color_Glyph_Layer( face,
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base_glyph,
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&glyph_index,
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&color_index,
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&iterator ) );
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if ( !error )
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slot->format = FT_GLYPH_FORMAT_BITMAP;
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/* this call also restores `slot' as the glyph slot */
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FT_Done_GlyphSlot( face->glyph );
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}
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} while ( FT_Get_Color_Glyph_Layer( face,
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base_glyph,
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&glyph_index,
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&color_index,
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&iterator ) );
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if ( !error )
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return error;
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slot->format = FT_GLYPH_FORMAT_BITMAP;
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/* Failed to do the colored layer. Draw outline instead. */
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slot->format = FT_GLYPH_FORMAT_OUTLINE;
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}
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}
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{
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FT_ListNode node = NULL;
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/* small shortcut for the very common case */
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if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
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{
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renderer = library->cur_renderer;
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node = library->renderers.head;
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}
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else
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renderer = FT_Lookup_Renderer( library, slot->format, &node );
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error = FT_ERR( Cannot_Render_Glyph );
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while ( renderer )
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{
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error = renderer->render( renderer, slot, render_mode, NULL );
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if ( !error ||
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FT_ERR_NEQ( error, Cannot_Render_Glyph ) )
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break;
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/* FT_Err_Cannot_Render_Glyph is returned if the render mode */
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/* is unsupported by the current renderer for this glyph image */
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/* format. */
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/* now, look for another renderer that supports the same */
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/* format. */
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renderer = FT_Lookup_Renderer( library, slot->format, &node );
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/* this call also restores `slot' as the glyph slot */
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FT_Done_GlyphSlot( face->glyph );
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}
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/* it is not an error if we cannot render a bitmap glyph */
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if ( FT_ERR_EQ( error, Cannot_Render_Glyph ) &&
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slot->format == FT_GLYPH_FORMAT_BITMAP )
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error = FT_Err_Ok;
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if ( !error )
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return error;
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/* Failed to do the colored layer. Draw outline instead. */
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slot->format = FT_GLYPH_FORMAT_OUTLINE;
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}
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}
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/* small shortcut for the very common case */
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if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
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{
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renderer = library->cur_renderer;
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node = library->renderers.head;
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}
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else
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renderer = FT_Lookup_Renderer( library, slot->format, &node );
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error = FT_ERR( Cannot_Render_Glyph );
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while ( renderer )
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{
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error = renderer->render( renderer, slot, render_mode, NULL );
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if ( !error ||
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FT_ERR_NEQ( error, Cannot_Render_Glyph ) )
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break;
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/* FT_Err_Cannot_Render_Glyph is returned if the render mode */
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/* is unsupported by the current renderer for this glyph image */
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/* format. */
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/* now, look for another renderer that supports the same */
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/* format. */
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renderer = FT_Lookup_Renderer( library, slot->format, &node );
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}
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/* it is not an error if we cannot render a bitmap glyph */
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if ( FT_ERR_EQ( error, Cannot_Render_Glyph ) &&
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slot->format == FT_GLYPH_FORMAT_BITMAP )
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error = FT_Err_Ok;
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#ifdef FT_DEBUG_LEVEL_TRACE
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#undef FT_COMPONENT
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