mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-25 21:46:57 +03:00
128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
/*
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* Copyright 2011 Daniel Silverstone <dsilvers@digital-scurf.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include "image/bitmap.h"
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struct bitmap {
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void *ptr;
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size_t rowstride;
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int width;
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int height;
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unsigned int state;
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};
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void *bitmap_create(int width, int height, unsigned int state)
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{
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struct bitmap *ret = calloc(sizeof(*ret), 1);
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if (ret == NULL)
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return NULL;
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ret->width = width;
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ret->height = height;
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ret->state = state;
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ret->ptr = calloc(width, height * 4);
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if (ret->ptr == NULL) {
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free(ret);
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return NULL;
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}
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return ret;
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}
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void bitmap_destroy(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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free(bmap->ptr);
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free(bmap);
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}
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void bitmap_set_opaque(void *bitmap, bool opaque)
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{
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struct bitmap *bmap = bitmap;
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if (opaque)
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bmap->state |= (BITMAP_OPAQUE);
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else
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bmap->state &= ~(BITMAP_OPAQUE);
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}
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bool bitmap_test_opaque(void *bitmap)
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{
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return false;
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}
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bool bitmap_get_opaque(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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return (bmap->state & BITMAP_OPAQUE) == BITMAP_OPAQUE;
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}
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unsigned char *bitmap_get_buffer(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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return (unsigned char *)(bmap->ptr);
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}
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size_t bitmap_get_rowstride(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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return bmap->width * 4;
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}
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size_t bitmap_get_bpp(void *bitmap)
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{
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/* OMG?! */
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return 4;
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}
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bool bitmap_save(void *bitmap, const char *path, unsigned flags)
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{
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return true;
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}
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void bitmap_modified(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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bmap->state |= BITMAP_MODIFIED;
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}
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void bitmap_set_suspendable(void *bitmap, void *private_word,
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void (*invalidate)(void *bitmap, void *private_word))
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{
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}
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int bitmap_get_width(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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return bmap->width;
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}
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int bitmap_get_height(void *bitmap)
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{
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struct bitmap *bmap = bitmap;
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return bmap->height;
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}
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