d2/image_weighted_avg.h

   1 // Copyright 2002, 2003, 2004 David Hilvert <dhilvert@auricle.dyndns.org>,
   2 //                                          <dhilvert@ugcs.caltech.edu>
   3
   4 /*  This file is part of the Anti-Lamenessing Engine.
   5
   6     The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 3 of the License, or
   9     (at your option) any later version.
  10
  11     The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with the Anti-Lamenessing Engine; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 /*
  22  * image_weighted_avg.h: Image representing a weighted average of inputs.
  23  */
  24
  25 #ifndef __image_weighted_avg_h__
  26 #define __image_weighted_avg_h__
  27
  28 #include "image_ale_real.h"
  29 #include "exposure/exposure.h"
  30 #include "point.h"
  31 #include "image.h"
  32
  33 #define ALE_GLSL_IMAGE_WEIGHTED_AVG_INCLUDE \
  34 ALE_GLSL_IMAGE_INCLUDE \
  35 "struct image_weighted_avg {\n"\
  36 "       int type;\n"\
  37 "       vec2 offset;\n"\
  38 "};\n"\
  39 "bool image_weighted_avg_accumulate_norender(inout image_weighted_avg _this, vec4 pos);\n"\
  40 "void image_weighted_avg_accumulate(inout image_weighted_avg _this, vec4 pos, int frame, vec3 value, vec3 confidence);\n"\
  41 "image image_weighted_avg_get_weights(inout image_weighted_avg _this);\n"\
  42 "vec3 image_weighted_avg_get_pixel(inout image_weighted_avg _this, vec4 pos);\n"
  43
  44 class image_weighted_avg : public image, public gpu::program::library {
  45 private:
  46         void trigger(pixel multiplier) {
  47                 assert(0);
  48         }
  49
  50 public:
  51         image_weighted_avg (unsigned int dimy, unsigned int dimx, unsigned int
  52                         depth, const char *name = "anonymous")
  53                         : image(dimy, dimx, depth, name, NULL) {
  54         }
  55
  56         virtual ~image_weighted_avg() {
  57         }
  58
  59         void set_pixel(unsigned int y, unsigned int x, spixel p) {
  60                 assert(0);
  61         }
  62
  63         spixel get_pixel(unsigned int y, unsigned int x) const {
  64                 assert(0);
  65
  66                 return spixel(0, 0, 0);
  67         }
  68
  69         void set_chan(unsigned int y, unsigned int x, unsigned int k, ale_sreal c) {
  70                 assert(0);
  71         }
  72
  73         ale_sreal get_chan(unsigned int y, unsigned int x, unsigned int k) const {
  74                 assert(0);
  75
  76                 return 0;
  77         }
  78
  79         /*
  80          * Make a new image suitable for receiving scaled values.
  81          */
  82         virtual image *scale_generator(int height, int width, int depth, const char *name) const {
  83                 return new_image_ale_real(height, width, depth, name, _exp);
  84         }
  85
  86         /*
  87          * Pre-transformation check for whether an area should be skipped.
  88          * Takes image weights as an argument.
  89          */
  90         virtual int accumulate_norender(int i, int j) = 0;
  91
  92         /*
  93          * Accumulate pixels
  94          */
  95         virtual void accumulate(int i, int j, int f, pixel new_value, pixel new_weight) = 0;
  96
  97         virtual void accumulate_accel(const gpu::program *p) {
  98                 assert(0);
  99         }
 100
 101         /*
 102          * Get color map
 103          */
 104         virtual image *get_colors() = 0;
 105
 106         /*
 107          * Get weight map
 108          */
 109         virtual image *get_weights() = 0;
 110 };
 111
 112 #endif