diff options
Diffstat (limited to 'src/smooth/ftsmooth.c')
-rw-r--r-- | src/smooth/ftsmooth.c | 62 |
1 files changed, 40 insertions, 22 deletions
diff --git a/src/smooth/ftsmooth.c b/src/smooth/ftsmooth.c index ef176bdf1..f12e37511 100644 --- a/src/smooth/ftsmooth.c +++ b/src/smooth/ftsmooth.c @@ -31,6 +31,22 @@ static FT_Error ft_smooth_init( FT_Renderer render ) { + +#ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING + + FT_Vector* sub = render->root.library->lcd_geometry; + + + /* set up default subpixel geometry for striped RGB panels. */ + sub[0].x = -21; + sub[0].y = 0; + sub[1].x = 0; + sub[1].y = 0; + sub[2].x = 21; + sub[2].y = 0; + +#endif + render->clazz->raster_class->raster_reset( render->raster, NULL, 0 ); return 0; @@ -235,33 +251,33 @@ unsigned int width = bitmap->width; int pitch = bitmap->pitch; + FT_Vector* sub = slot->library->lcd_geometry; - /* Render 3 separate monochrome bitmaps, shifting the outline */ - /* by 1/3 pixel. */ - width /= 3; - bitmap->buffer += width; + /* Render 3 separate monochrome bitmaps, shifting the outline. */ + width /= 3; + FT_Outline_Translate( outline, -sub[0].x, -sub[0].y ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; - FT_Outline_Translate( outline, -21, 0 ); - x_shift -= 21; bitmap->buffer += width; - + FT_Outline_Translate( outline, sub[0].x - sub[1].x, sub[0].y - sub[1].y ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; - FT_Outline_Translate( outline, 42, 0 ); - x_shift += 42; - bitmap->buffer -= 2 * width; - + bitmap->buffer += width; + FT_Outline_Translate( outline, sub[1].x - sub[2].x, sub[1].y - sub[2].y ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; + x_shift -= sub[2].x; + y_shift -= sub[2].y; + bitmap->buffer -= 2 * width; + /* XXX: Rearrange the bytes according to FT_PIXEL_MODE_LCD. */ /* XXX: It is more efficient to render every third byte above. */ @@ -286,34 +302,36 @@ { int pitch = bitmap->pitch; + FT_Vector* sub = slot->library->lcd_geometry; - /* Render 3 separate monochrome bitmaps, shifting the outline */ - /* by 1/3 pixel. Triple the pitch to render on each third row. */ + + /* Render 3 separate monochrome bitmaps, shifting the outline. */ + /* Notice that the subpixel geometry vectors are rotated. */ + /* Triple the pitch to render on each third row. */ bitmap->pitch *= 3; bitmap->rows /= 3; - bitmap->buffer += pitch; - + FT_Outline_Translate( outline, -sub[0].y, sub[0].x ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; - FT_Outline_Translate( outline, 0, 21 ); - y_shift += 21; bitmap->buffer += pitch; - + FT_Outline_Translate( outline, sub[0].y - sub[1].y, sub[1].x - sub[0].x ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; - FT_Outline_Translate( outline, 0, -42 ); - y_shift -= 42; - bitmap->buffer -= 2 * pitch; - + bitmap->buffer += pitch; + FT_Outline_Translate( outline, sub[1].y - sub[2].y, sub[2].x - sub[1].x ); error = render->raster_render( render->raster, ¶ms ); if ( error ) goto Exit; + x_shift -= sub[2].y; + y_shift += sub[2].x; + bitmap->buffer -= 2 * pitch; + bitmap->pitch /= 3; bitmap->rows *= 3; } |