diff options
Diffstat (limited to 'atari/bitmap.h')
| -rw-r--r-- | atari/bitmap.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/atari/bitmap.h b/atari/bitmap.h deleted file mode 100644 index b0fa18069..000000000 --- a/atari/bitmap.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Copyright 2010 Ole Loots <ole@monochrom.net> - * - * 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/>. - */ - -/** - * \file - * Atari bitmap handling implementation. - */ - -#ifndef NS_ATARI_BITMAP_H -#define NS_ATARI_BITMAP_H - -#include <gem.h> -#include <Hermes/Hermes.h> - -#define NS_BMP_DEFAULT_BPP 4 - -/* Flags for init_mfdb function: */ -#define MFDB_FLAG_STAND 0x01 -#define MFDB_FLAG_ZEROMEM 0x02 -#define MFDB_FLAG_NOALLOC 0x04 - -#define BITMAP_SHRINK 0 -#define BITMAP_GROW 1024 /* Don't realloc when bitmap size shrinks */ -#define BITMAP_CLEAR 2048 /* Zero bitmap memory */ - - -/** - * Calculates MFDB compatible rowstride (in number of bits) - */ -#define MFDB_STRIDE( w ) (((w & 15) != 0) ? (w | 15)+1 : w) - - -/** - * Calculate size of an mfdb, - * - * \param bpp Bits per pixel. - * \param stride Word aligned rowstride (width) as returned by MFDB_STRIDE, - * \param h Height in pixels. -*/ -#define MFDB_SIZE( bpp, stride, h ) ( ((stride >> 3) * h) * bpp ) - -struct gui_bitmap_table *atari_bitmap_table; - -struct bitmap { - int width; - int height; - uint8_t *pixdata; - bool opaque; - short bpp; /* number of BYTES! per pixel */ - size_t rowstride; - struct bitmap * resized; - MFDB native; - bool converted; -}; - - - -/** - * setup an MFDB struct and allocate memory for it when it is needed. - * - * If bpp == 0, this function assumes that the MFDB shall point to the - * screen and will not allocate any memory (mfdb.fd_addr == 0). - * - * \return 0 when the memory allocation fails (out of memory), - * otherwise it returns the size of the mfdb.fd_addr as number - * of bytes. - */ -int init_mfdb(int bpp, int w, int h, uint32_t flags, MFDB * out ); - -/** - * Create a bitmap. - * - * \param w width of image in pixels - * \param h 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 *atari_bitmap_create(int w, int h, unsigned int state); - -/** - * 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 atari_bitmap_get_rowstride(void *bitmap); - -/** - * Free a bitmap. - * - * \param bitmap a bitmap, as returned by bitmap_create() - */ -void atari_bitmap_destroy(void *bitmap); - -/** - * Get bitmap width - * - * \param bitmap a bitmap, as returned by bitmap_create() - */ -int atari_bitmap_get_width(void *bitmap); - -/** - * Get bitmap height - * - * \param bitmap a bitmap, as returned by bitmap_create() - */ -int atari_bitmap_get_height(void *bitmap); - -/** - * Gets whether a bitmap should be plotted opaque - * - * \param bitmap a bitmap, as returned by bitmap_create() - */ -bool atari_bitmap_get_opaque(void *bitmap); - -size_t atari_bitmap_buffer_size(void *bitmap); - -bool atari_bitmap_resize(struct bitmap *img, HermesHandle hermes_h, HermesFormat *fmt, int nw, int nh); - -void *atari_bitmap_realloc( int w, int h, short bpp, int rowstride, unsigned int state, void * bmp ); - -#endif |