/* VIPS display class. * * Hide details of im_col_display API. */ /* This file is part of VIPS. VIPS is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk */ #ifndef IM_VDISPLAY_H #define IM_VDISPLAY_H /* SWIG includes this file directly rather than going through vipscpp.h ... so * we have to define these macros here as well. */ #ifdef SWIG #define VIPS_NAMESPACE_START namespace vips { #define VIPS_NAMESPACE_END } #endif /*SWIG*/ /* Wrap pointers to these, but we don't want to import all the old C API. Just * declare them. */ extern "C" { struct im_col_display; struct im_col_tab_disp; } VIPS_NAMESPACE_START // Wrapper over im_col_display with ref counting class VIPS_CC_API VDisplay { struct refblock { im_col_display *disp; // im_col_display struct im_col_tab_disp *luts; // luts built from this display int priv; // disp is ours, or system int nrefs; // Refs to us // Invalidate lut void cleanlut(); // Break attached stuff void cleanref(); // Get ready to write void wready(); // Check that luts are up-to-date void cluts(); refblock() : disp(0), luts(0), priv(0), nrefs(1) {} ~refblock() { cleanref(); } }; refblock *ref; public: enum VDisplayType { BARCO, // Does many corrections for us DUMB // Needs many corrections }; // Get named display VDisplay( const char *name ); // Get default display VDisplay(); // Copy constructor VDisplay( const VDisplay &a ) { ref = a.ref; ref->nrefs++; } // Assignment VDisplay &operator=( const VDisplay &a ); // Destructor virtual ~VDisplay(); // The matrix type we use typedef float matrix[3][3]; // Extract display pointer void *disp() const { return( ref->disp ); } // Extract luts pointer, rebuilding luts if necessary im_col_tab_disp *luts() const { ref->cluts(); return( ref->luts ); } }; VIPS_NAMESPACE_END #endif /*IM_VDISPLAY_H*/