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Diffstat (limited to 'src/libplybootsplash/ply-pixel-buffer.h')
| -rw-r--r-- | src/libplybootsplash/ply-pixel-buffer.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/libplybootsplash/ply-pixel-buffer.h b/src/libplybootsplash/ply-pixel-buffer.h new file mode 100644 index 00000000..52a93b55 --- /dev/null +++ b/src/libplybootsplash/ply-pixel-buffer.h @@ -0,0 +1,103 @@ +/* ply-pixel-buffer.h - pixel buffer abstraction + * + * Copyright (C) 2007, 2009 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + * + * Written By: Ray Strode <rstrode@redhat.com> + */ +#ifndef PLY_PIXEL_BUFFER_H +#define PLY_PIXEL_BUFFER_H + +#include <stdbool.h> +#include <stdint.h> + +#include "ply-rectangle.h" +#include "ply-region.h" +#include "ply-utils.h" + +typedef struct _ply_pixel_buffer ply_pixel_buffer_t; + +#define PLY_PIXEL_BUFFER_COLOR_TO_PIXEL_VALUE(r,g,b,a) \ + (((uint8_t) (CLAMP (a * 255.0, 0.0, 255.0)) << 24) \ + | ((uint8_t) (CLAMP (r * 255.0, 0.0, 255.0)) << 16) \ + | ((uint8_t) (CLAMP (g * 255.0, 0.0, 255.0)) << 8) \ + | ((uint8_t) (CLAMP (b * 255.0, 0.0, 255.0)))) + +#ifndef PLY_HIDE_FUNCTION_DECLARATIONS +ply_pixel_buffer_t *ply_pixel_buffer_new (unsigned long width, + unsigned long height); +void ply_pixel_buffer_free (ply_pixel_buffer_t *buffer); +void ply_pixel_buffer_get_size (ply_pixel_buffer_t *buffer, + ply_rectangle_t *size); +ply_region_t *ply_pixel_buffer_get_updated_areas (ply_pixel_buffer_t *buffer); + +void ply_pixel_buffer_fill_with_color (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + double red, + double green, + double blue, + double alpha); +void ply_pixel_buffer_fill_with_hex_color (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + uint32_t hex_color); + +void ply_pixel_buffer_fill_with_hex_color_at_opacity (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + uint32_t hex_color, + double opacity); + +void ply_pixel_buffer_fill_with_gradient (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + uint32_t start, + uint32_t end); + +void ply_pixel_buffer_fill_with_argb32_data (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + unsigned long x, + unsigned long y, + uint32_t *data); +void ply_pixel_buffer_fill_with_argb32_data_at_opacity (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + unsigned long x, + unsigned long y, + uint32_t *data, + double opacity); + +void ply_pixel_buffer_fill_with_argb32_data_with_clip (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + ply_rectangle_t *clip_area, + unsigned long x, + unsigned long y, + uint32_t *data); +void ply_pixel_buffer_fill_with_argb32_data_at_opacity_with_clip (ply_pixel_buffer_t *buffer, + ply_rectangle_t *fill_area, + ply_rectangle_t *clip_area, + unsigned long x, + unsigned long y, + uint32_t *data, + double opacity); + +void ply_pixel_buffer_push_clip_area (ply_pixel_buffer_t *buffer, + ply_rectangle_t *clip_area); +void ply_pixel_buffer_pop_clip_area (ply_pixel_buffer_t *buffer); + +uint32_t *ply_pixel_buffer_get_argb32_data (ply_pixel_buffer_t *buffer); + +#endif + +#endif /* PLY_PIXEL_BUFFER_H */ +/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */ |