LookingGlass/common/include/common/rects.h
Quantum e945955d13 [common] rects: add rectsRejectContained function
This function will remove rectangles in a list that are entirely contained
in another rectangle in the same list.
2021-08-13 20:21:27 +10:00

53 lines
1.7 KiB
C

/**
* Looking Glass
* Copyright © 2017-2021 The Looking Glass Authors
* https://looking-glass.io
*
* This program 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; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LG_COMMON_RECTS_H_
#define _LG_COMMON_RECTS_H_
#include <stdint.h>
#include <string.h>
#include "common/framebuffer.h"
#include "common/types.h"
inline static void rectCopyUnaligned(uint8_t * dest, const uint8_t * src,
int ystart, int yend, int dx, int dstStride, int srcStride, int width)
{
for (int i = ystart; i < yend; ++i)
{
unsigned int srcOffset = i * srcStride + dx;
unsigned int dstOffset = i * dstStride + dx;
memcpy(dest + dstOffset, src + srcOffset, width);
}
}
void rectsBufferToFramebuffer(FrameDamageRect * rects, int count,
FrameBuffer * frame, int dstStride, int height,
const uint8_t * src, int srcStride);
void rectsFramebufferToBuffer(FrameDamageRect * rects, int count,
uint8_t * dst, int dstStride, int height,
const FrameBuffer * frame, int srcStride);
int rectsMergeOverlapping(FrameDamageRect * rects, int count);
int rectsRejectContained(FrameDamageRect * rects, int count);
#endif