1 #ifndef COIN_SOCAMERAUTILS_H 2 #define COIN_SOCAMERAUTILS_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #include <Inventor/SbBasic.h> 37 38 class SoCamera; 39 class SbVec3f; 40 41 class SoCameraManager { 42 public: 43 static SoCameraManager * createFor(SoCamera * camera); 44 45 virtual ~SoCameraManager(void); 46 47 virtual void setZoomLimits(float minzoomvalue = 0.0f, float maxzoomvalue = 0.0f); 48 virtual SbBool getZoomLimits(float & minzoomvalue, float & maxzoomvalue) const; 49 50 virtual void setZoomValue(float zoomvalue, SbBool limit = FALSE) = 0; 51 virtual void adjustZoomValue(float diffvalue, SbBool limit = TRUE) = 0; // diffvalue=0.0 is identity 52 virtual void adjustZoom(float factor, SbBool limit = TRUE) = 0; // factor=1.0 is identity 53 54 virtual float getZoomValue(void) const; 55 56 virtual void setZoomByDollyLimits(float mindollydistance = 0.0f, float maxdollydistance = 0.0f, float unitydistance = 0.0f); 57 virtual SbBool getZoomByDollyLimits(float & mindollydistance, float & maxdollydistance, float & unitydistance) const; 58 59 virtual void setZoomValueByDolly(float zoomvalue, SbBool limit = FALSE) = 0; 60 virtual void adjustZoomByDollyDistance(float distance, SbBool limit = TRUE) = 0; // distance=0.0 is identity 61 virtual void adjustZoomByDolly(float factor, SbBool limit = TRUE) = 0; // factor=1.0 is identity 62 63 virtual float getZoomByDollyValue(void) const; 64 getCamera(void)65 SoCamera * getCamera(void) const { return this->camera; } 66 SbVec3f getFocalPoint(void) const; 67 68 virtual void copyLimits(const SoCameraManager * other); 69 70 protected: 71 SoCameraManager(SoCamera * camera); 72 73 SbBool havezoomlimits; 74 float minzoom, maxzoom; 75 SbBool havezoombydollylimits; 76 float mindollydistance, maxdollydistance, unitydistance; 77 78 private: 79 SoCamera * camera; 80 81 }; // SoCameraManager 82 83 #endif // !COIN_SOCAMERAUTILS_H 84