clip.h File Reference

#include "deodxr.h"

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Functions
bool	ClipCheckIntersect (Rect *r1, Rect *r2)
	Check if two rectangle intersects.
void	ClipCalculateRect (Rect *sub_rect, Rect *cut_rect, Rect *list, int *count)
	ClipCalculateRect – calculate visible rectanlges of current window.
void	ClipSubtractRect (Rect *sub_rect, Rect *cut_rect, Rect *list, int r_count)
	ClipSubtractRect – calculate visible rectanlges of current window.
void	ClipGetBehindRect (Rect *sub_rect, Rect *cut_rect, Rect *list, int *r_count)

Detailed Description

BSD 2-Clause License

Copyright (c) 2022-2026, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

ClipCalculateRect()

void ClipCalculateRect ( Rect *  sub_rect, Rect *  cut_rect, Rect *  list, int *  count  )

extern

ClipCalculateRect – calculate visible rectanlges of current window.

Parameters

sub_rect	– subject rectangle
cut_rect	– cutting rectangle
list	– pointer to the list, where to store all visible rectangles
count	– number of rectangles stored in the list

ClipCheckIntersect()

bool ClipCheckIntersect ( Rect *  r1, Rect *  r2  )

extern

Check if two rectangle intersects.

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Parameters

r1	– rectangle one
r2	– rectangle two

ClipGetBehindRect()

void ClipGetBehindRect ( Rect *  sub_rect, Rect *  cut_rect, Rect *  list, int *  r_count  )

extern

ClipSubtractRect()

void ClipSubtractRect ( Rect *  sub_rect, Rect *  cut_rect, Rect *  list, int  r_count  )

extern

ClipSubtractRect – calculate visible rectanlges of current window.

Parameters

sub_rect	– subject rectangle
cut_rect	– cutting rectangle
list	– pointer to the list, where to store all visible rectangles
count	– number of rectangles stored in the list