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Diffstat (limited to 'frontends/amiga/bitmap.h')
-rwxr-xr-x | frontends/amiga/bitmap.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/frontends/amiga/bitmap.h b/frontends/amiga/bitmap.h new file mode 100755 index 000000000..d7dd70bce --- /dev/null +++ b/frontends/amiga/bitmap.h @@ -0,0 +1,192 @@ +/* + * Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf 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; version 2 of the License. + * + * NetSurf 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef AMIGA_BITMAP_H +#define AMIGA_BITMAP_H + +#include <stdbool.h> +#include <exec/types.h> +#include <proto/graphics.h> +#include <intuition/classusr.h> +#include <libraries/Picasso96.h> + +#define AMI_BITMAP_FORMAT RGBFB_R8G8B8A8 +#define AMI_BITMAP_SCALE_ICON 0xFF + +struct gui_bitmap_table *amiga_bitmap_table; +struct bitmap; +struct nsurl; + +struct BitMap *ami_bitmap_get_native(struct bitmap *bitmap, + int width, int height, struct BitMap *friendbm); +PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width, + int height, struct BitMap *n_bm); + +Object *ami_datatype_object_from_bitmap(struct bitmap *bitmap); +struct bitmap *ami_bitmap_from_datatype(char *filename); + +/** + * Set bitmap URL + * + * \param bm a bitmap, as returned by bitmap_create() + * \param title a pointer to a title string + * + * A reference will be kept by the bitmap object. + * The URL can only ever be set once for a bitmap. + */ +void ami_bitmap_set_url(struct bitmap *bm, struct nsurl *url); + +/** + * Set bitmap title + * + * \param bm a bitmap, as returned by bitmap_create() + * \param title a pointer to a title string + * + * This is copied by the bitmap object. + * The title can only ever be set once for a bitmap. + */ +void ami_bitmap_set_title(struct bitmap *bm, const char *title); + +/** + * Get an icondata pointer + * + * \param bm a bitmap, as returned by bitmap_create() + * \return pointer to the icondata area + * + * This function probably shouldn't be here! + */ +ULONG *ami_bitmap_get_icondata(struct bitmap *bm); + +/** + * Set an icondata pointer + * + * \param bm a bitmap, as returned by bitmap_create() + * \param icondata a pointer to memory + * + * This function probably shouldn't be here! + */ +void ami_bitmap_set_icondata(struct bitmap *bm, ULONG *icondata); + +/** + * Test if a BitMap is owned by a bitmap. + * + * \param bm a bitmap, as returned by bitmap_create() + * \param nbm a BitMap, as created by AllocBitMap() + * \return true if the BitMap is owned by the bitmap + */ +bool ami_bitmap_is_nativebm(struct bitmap *bm, struct BitMap *nbm); + +/** + * Cleanup bitmap allocations + */ +void ami_bitmap_fini(void); + +/** + * Create a bitmap. + * + * \param width width of image in pixels + * \param height width of image in pixels + * \param state a flag word indicating the initial state + * \return an opaque struct bitmap, or NULL on memory exhaustion + */ +void *amiga_bitmap_create(int width, int height, unsigned int state); + +/** + * Return a pointer to the pixel data in a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return pointer to the pixel buffer + * + * The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end + * of rows. The width of a row in bytes is given by bitmap_get_rowstride(). + */ +unsigned char *amiga_bitmap_get_buffer(void *bitmap); + +/** + * Find the width of a pixel row in bytes. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return width of a pixel row in the bitmap + */ +size_t amiga_bitmap_get_rowstride(void *bitmap); + +/** + * Return the width of a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return width in pixels + */ +int bitmap_get_width(void *bitmap); + +/** + * Return the height of a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return height in pixels + */ +int bitmap_get_height(void *bitmap); + +/** + * Free a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +void amiga_bitmap_destroy(void *bitmap); + +/** + * Save a bitmap in the platform's native format. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param path pathname for file + * \param flags flags controlling how the bitmap is saved. + * \return true on success, false on error and error reported + */ +bool amiga_bitmap_save(void *bitmap, const char *path, unsigned flags); + +/** + * The bitmap image has changed, so flush any persistant cache. + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +void amiga_bitmap_modified(void *bitmap); + +/** + * Sets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param opaque whether the bitmap should be plotted opaque + */ +void amiga_bitmap_set_opaque(void *bitmap, bool opaque); + +/** + * Tests whether a bitmap has an opaque alpha channel + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return whether the bitmap is opaque + */ +bool amiga_bitmap_test_opaque(void *bitmap); + +/** + * Gets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +bool amiga_bitmap_get_opaque(void *bitmap); + + +#endif |