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https://git.libcamera.org/libcamera/libcamera.git
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6c0afb8b33
Pipeline handlers commonly have to calculate the minimum or maximum of multiple sizes, or align a size's width and height. Add helper functions to the Size class to perform those tasks. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
146 lines
2.7 KiB
C++
146 lines
2.7 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* geometry.h - Geometry-related structure
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*/
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#ifndef __LIBCAMERA_GEOMETRY_H__
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#define __LIBCAMERA_GEOMETRY_H__
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#include <algorithm>
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#include <string>
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namespace libcamera {
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struct Rectangle {
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int x;
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int y;
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unsigned int width;
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unsigned int height;
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const std::string toString() const;
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};
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bool operator==(const Rectangle &lhs, const Rectangle &rhs);
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static inline bool operator!=(const Rectangle &lhs, const Rectangle &rhs)
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{
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return !(lhs == rhs);
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}
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struct Size {
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Size()
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: Size(0, 0)
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{
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}
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Size(unsigned int w, unsigned int h)
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: width(w), height(h)
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{
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}
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unsigned int width;
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unsigned int height;
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bool isNull() const { return !width && !height; }
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const std::string toString() const;
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Size alignedDownTo(unsigned int hAlignment, unsigned int vAlignment) const
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{
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return {
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width / hAlignment * hAlignment,
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height / vAlignment * vAlignment
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};
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}
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Size alignedUpTo(unsigned int hAlignment, unsigned int vAlignment) const
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{
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return {
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(width + hAlignment - 1) / hAlignment * hAlignment,
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(height + vAlignment - 1) / vAlignment * vAlignment
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};
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}
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Size boundedTo(const Size &bound) const
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{
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return {
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std::min(width, bound.width),
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std::min(height, bound.height)
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};
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}
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Size expandedTo(const Size &expand) const
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{
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return {
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std::max(width, expand.width),
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std::max(height, expand.height)
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};
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}
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};
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bool operator==(const Size &lhs, const Size &rhs);
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bool operator<(const Size &lhs, const Size &rhs);
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static inline bool operator!=(const Size &lhs, const Size &rhs)
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{
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return !(lhs == rhs);
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}
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static inline bool operator<=(const Size &lhs, const Size &rhs)
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{
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return lhs < rhs || lhs == rhs;
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}
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static inline bool operator>(const Size &lhs, const Size &rhs)
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{
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return !(lhs <= rhs);
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}
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static inline bool operator>=(const Size &lhs, const Size &rhs)
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{
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return !(lhs < rhs);
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}
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class SizeRange
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{
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public:
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SizeRange()
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: hStep(0), vStep(0)
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{
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}
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SizeRange(const Size &size)
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: min(size), max(size), hStep(1), vStep(1)
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{
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}
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SizeRange(const Size &minSize, const Size &maxSize)
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: min(minSize), max(maxSize), hStep(1), vStep(1)
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{
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}
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SizeRange(const Size &minSize, const Size &maxSize,
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unsigned int hstep, unsigned int vstep)
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: min(minSize), max(maxSize), hStep(hstep), vStep(vstep)
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{
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}
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bool contains(const Size &size) const;
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std::string toString() const;
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Size min;
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Size max;
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unsigned int hStep;
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unsigned int vStep;
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};
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bool operator==(const SizeRange &lhs, const SizeRange &rhs);
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static inline bool operator!=(const SizeRange &lhs, const SizeRange &rhs)
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{
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return !(lhs == rhs);
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}
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_GEOMETRY_H__ */
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