150 lines
4.4 KiB
C++
150 lines
4.4 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGDB_IMAGEOPTIONS
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#define OSGDB_IMAGEOPTIONS 1
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#include <osgDB/Options>
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namespace osgDB {
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class OSGDB_EXPORT ImageOptions : public osgDB::Options
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{
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public:
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ImageOptions();
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ImageOptions(const std::string& str);
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ImageOptions(const ImageOptions& options,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
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osgDB::Options(options,copyop),
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_sourceImageSamplingMode(options._sourceImageSamplingMode),
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_sourceImageWindowMode(options._sourceImageWindowMode),
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_sourceRatioWindow(options._sourceRatioWindow),
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_sourcePixelWindow(options._sourcePixelWindow),
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_destinationImage(options._destinationImage),
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_destinationImageWindowMode(options._destinationImageWindowMode),
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_destinationRatioWindow(options._destinationRatioWindow),
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_destinationPixelWindow(options._destinationPixelWindow),
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_destinationDataType(options._destinationDataType),
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_destinationPixelFormat(options._destinationPixelFormat) {}
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META_Object(osgDB,ImageOptions);
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/** RatioWindow stores the window (as ratios of 0.0 to 1.0) from the overall imagery from which to extract the osg::Image*/
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struct RatioWindow
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{
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RatioWindow():
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windowX(0.0),
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windowY(0.0),
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windowWidth(1.0),
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windowHeight(1.0) {}
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void set(double x, double y, double w, double h)
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{
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windowX = x;
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windowY = y;
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windowWidth = w;
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windowHeight = h;
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}
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double windowX;
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double windowY;
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double windowWidth;
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double windowHeight;
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};
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/** PixelWindow stores the window (in exact pixels) from the overall imagery from which to extract the osg::Image*/
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struct PixelWindow
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{
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PixelWindow():
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windowX(0),
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windowY(0),
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windowWidth(0),
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windowHeight(0) {}
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void set(unsigned int x, unsigned int y, unsigned int w, unsigned int h)
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{
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windowX = x;
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windowY = y;
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windowWidth = w;
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windowHeight = h;
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}
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unsigned int windowX;
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unsigned int windowY;
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unsigned int windowWidth;
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unsigned int windowHeight;
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};
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enum ImageWindowMode
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{
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ALL_IMAGE,
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RATIO_WINDOW,
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PIXEL_WINDOW
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};
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enum ImageSamplingMode
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{
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NEAREST,
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LINEAR,
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CUBIC
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};
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/** Used as UserData attached to generated osg::Image's*/
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struct TexCoordRange : public osg::Referenced
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{
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TexCoordRange():
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_x(0.0),
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_y(0.0),
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_w(1.0),
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_h(1.0) {}
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void set(double x,double y, double w, double h)
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{
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_x = x;
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_y = y;
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_w = w;
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_h = h;
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}
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double _x,_y,_w,_h;
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};
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// source
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ImageSamplingMode _sourceImageSamplingMode;
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ImageWindowMode _sourceImageWindowMode;
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RatioWindow _sourceRatioWindow;
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PixelWindow _sourcePixelWindow;
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// destination
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osg::ref_ptr<osg::Image> _destinationImage;
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ImageWindowMode _destinationImageWindowMode;
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RatioWindow _destinationRatioWindow;
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PixelWindow _destinationPixelWindow;
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GLenum _destinationDataType;
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GLenum _destinationPixelFormat;
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void init();
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};
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}
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#endif // OSGDB_IMAGEOPTIONS
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