133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2015 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <iostream>
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#include <cctype>
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#include <pangolin/video/video_exception.h>
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#include <pangolin/utils/file_utils.h>
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#include <pangolin/video/stream_info.h>
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namespace pangolin
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{
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struct PANGOLIN_EXPORT Point
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{
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inline Point() : x(0), y(0) {}
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inline Point(size_t x, size_t y) : x(x), y(y) {}
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size_t x;
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size_t y;
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};
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typedef Point ImageDim;
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struct PANGOLIN_EXPORT ImageRoi
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{
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inline ImageRoi() : x(0), y(0), w(0), h(0) {}
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inline ImageRoi(size_t x, size_t y, size_t w, size_t h) : x(x), y(y), w(w), h(h) {}
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size_t x; size_t y;
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size_t w; size_t h;
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};
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inline std::istream& operator>> (std::istream &is, ImageDim &dim)
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{
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if(std::isdigit(is.peek()) ) {
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// Expect 640x480, 640*480, ...
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is >> dim.x; is.get(); is >> dim.y;
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}else{
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// Expect 'VGA', 'QVGA', etc
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std::string sdim;
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is >> sdim;
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ToUpper(sdim);
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if( !sdim.compare("QQVGA") ) {
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dim = ImageDim(160,120);
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}else if( !sdim.compare("HQVGA") ) {
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dim = ImageDim(240,160);
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}else if( !sdim.compare("QVGA") ) {
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dim = ImageDim(320,240);
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}else if( !sdim.compare("WQVGA") ) {
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dim = ImageDim(360,240);
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}else if( !sdim.compare("HVGA") ) {
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dim = ImageDim(480,320);
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}else if( !sdim.compare("VGA") ) {
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dim = ImageDim(640,480);
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}else if( !sdim.compare("WVGA") ) {
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dim = ImageDim(720,480);
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}else if( !sdim.compare("SVGA") ) {
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dim = ImageDim(800,600);
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}else if( !sdim.compare("DVGA") ) {
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dim = ImageDim(960,640);
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}else if( !sdim.compare("WSVGA") ) {
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dim = ImageDim(1024,600);
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}else{
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throw VideoException("Unrecognised image-size string.");
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}
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}
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return is;
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}
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inline std::istream& operator>> (std::istream &is, ImageRoi &roi)
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{
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is >> roi.x; is.get(); is >> roi.y; is.get();
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is >> roi.w; is.get(); is >> roi.h;
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return is;
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}
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inline std::istream& operator>> (std::istream &is, PixelFormat& fmt)
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{
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std::string sfmt;
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is >> sfmt;
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fmt = PixelFormatFromString(sfmt);
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return is;
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}
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inline std::istream& operator>> (std::istream &is, Image<unsigned char>& img)
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{
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size_t offset;
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is >> offset; is.get();
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img.ptr = (unsigned char*)(offset);
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is >> img.w; is.get();
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is >> img.h; is.get();
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is >> img.pitch;
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return is;
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}
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inline std::istream& operator>> (std::istream &is, StreamInfo &stream)
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{
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PixelFormat fmt;
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Image<unsigned char> img_offset;
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is >> img_offset; is.get();
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is >> fmt;
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stream = StreamInfo(fmt, img_offset);
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return is;
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}
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}
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