mirror of
https://github.com/SwallowOS/image_pixman
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93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/*
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* Copyright © 2007 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Red Hat not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. Red Hat makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Soren Sandmann, Red Hat, Inc.
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*/
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#include "pixman.h"
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typedef struct image image_t;
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struct image
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{
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pixman_format_code_t format;
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int width;
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int height;
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uint8_t * bits;
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int rowstride; /* in bytes */
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};
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void
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pixman_image_init_bits (pixman_image_t *image,
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pixman_format_code_t format,
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int width,
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int height
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uint8_t *bits,
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int rowstride)
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{
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image_t *img = (image_t *)image;
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img->format = format;
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img->width = width;
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img->height = height;
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img->bits = bits;
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img->rowstride = rowstride;
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}
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void
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pixman_set_clip_region (pixman_image_t *image,
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pixman_region16_t *region)
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{
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}
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void
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pixman_composite (pixman_image_t *src_img,
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pixman_image_t *mask_img,
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pixman_image_t *dest_img,
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int src_x,
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int src_y,
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int mask_x,
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int mask_y,
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int dest_x,
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int dset_y,
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int width,
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int height)
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{
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image_t *src = (image_t *) src;
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image_t *mask = (image_t *) mask;
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image_t *dest = (image_t *) dest;
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uint32_t _scanline_buffer[SCANLINE_BUFFER_LENGTH * 3];
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uint32_t *scanline_buffer = _scanline_buffer;
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if (width > SCANLINE_BUFFER_LENGTH)
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scanline_buffer = (uint32_t *)malloc (width * 3 * sizeof (uint32_t));
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if (!scanline_buffer)
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return;
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if (scanline_buffer != _scanline_buffer)
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free (scanline_buffer);
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}
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