46 lines
824 B
C
46 lines
824 B
C
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/*
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Copyright (C) 2016-2019 The University of Notre Dame
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This software is distributed under the GNU General Public License.
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See the file LICENSE for details.
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*/
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#include "bitmap.h"
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#include "kernelcore.h"
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#include "kmalloc.h"
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static struct bitmap root_bitmap;
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struct bitmap *bitmap_create_root()
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{
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root_bitmap.width = video_xres;
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root_bitmap.height = video_yres;
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root_bitmap.format = BITMAP_FORMAT_RGB;
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root_bitmap.data = video_buffer;
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return &root_bitmap;
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}
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struct bitmap *bitmap_create(int width, int height, int format)
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{
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struct bitmap *b = kmalloc(sizeof(*b));
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if(!b)
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return 0;
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b->data = kmalloc(width * height * 3);
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if(!b->data) {
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kfree(b);
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return 0;
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}
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b->width = width;
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b->height = height;
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b->format = format;
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return b;
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}
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void bitmap_delete(struct bitmap *b)
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{
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kfree(b->data);
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kfree(b);
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}
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