1 /* 2 */ 3 4 /* 5 6 Copyright (C) 2014 Ferrero Andrea 7 8 This program is free software: you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. 20 21 22 */ 23 24 /* 25 26 These files are distributed with PhotoFlow - http://aferrero2707.github.io/PhotoFlow/ 27 28 */ 29 30 #ifndef PF_PERSPECTIVE_H 31 #define PF_PERSPECTIVE_H 32 33 #include <string> 34 35 #include "../base/property.hh" 36 #include "../base/operation.hh" 37 #include "../base/processor.hh" 38 39 namespace PF 40 { 41 42 class PerspectivePar: public OpParBase 43 { 44 Property< std::vector<std::pair<float,float> > > keystones; 45 46 public: 47 PerspectivePar(); 48 has_opacity()49 bool has_opacity() { return false; } has_intensity()50 bool has_intensity() { return false; } 51 get_keystones()52 std::vector< std::pair<float,float> >& get_keystones() { return keystones.get(); } 53 54 /* Function to derive the output area from the input area 55 *//* 56 virtual void transform(const Rect* rin, Rect* rout) 57 { 58 int in_w2 = in_width/2; 59 int in_h2 = in_height/2; 60 int out_w2 = out_width/2; 61 int out_h2 = out_height/2; 62 float xout = cos_angle*(rin->left-in_w2) - sin_angle*(rin->top-in_h2) + out_w2 - crop.left; 63 float yout = sin_angle*(rin->left-in_w2) + cos_angle*(rin->top-in_h2) + out_h2 - crop.top; 64 //std::cout<<"xout="<<xout<<" = "<<cos_angle<<"*("<<rin->left<<"-"<<in_w2<<") - "<<sin_angle<<"*("<<rin->top<<"-"<<in_h2<<") + "<<out_w2<<std::endl; 65 //std::cout<<"sin_angle="<<sin_angle<<" cos_angle="<<cos_angle<<" xout="<<xout<<" yout="<<yout<<std::endl; 66 rout->left = xout*scale_mult; 67 rout->top = yout*scale_mult; 68 rout->width = rin->width*scale_mult; 69 rout->height = rin->height*scale_mult; 70 } 71 */ 72 73 /* Function to derive the area to be read from input images, 74 based on the requested output area 75 *//* 76 virtual void transform_inv(const Rect* rout, Rect* rin) 77 { 78 float minus = -1.0; 79 int in_w2 = in_width/2; 80 int in_h2 = in_height/2; 81 int out_w2 = out_width/2; 82 int out_h2 = out_height/2; 83 float xin = cos_angle*(rout->left-out_w2) + sin_angle*(rout->top-out_h2) + in_w2 + crop.left; 84 float yin = minus*sin_angle*(rout->left-out_w2) + cos_angle*(rout->top-out_h2) + in_h2 + crop.top; 85 //std::cout<<"xin="<<xin<<" = "<<cos_angle<<"*("<<rout->left<<"-"<<out_w2<<") - "<<sin_angle<<"*("<<rout->top<<"-"<<out_h2<<") + "<<in_w2<<std::endl; 86 //std::cout<<"sin_angle="<<sin_angle<<" cos_angle="<<cos_angle<<" xin="<<xin<<" yin="<<yin<<std::endl; 87 rin->left = xin/scale_mult; 88 rin->top = yin/scale_mult; 89 rin->width = rout->width/scale_mult; 90 rin->height = rout->height/scale_mult; 91 } 92 */ 93 94 95 VipsImage* build(std::vector<VipsImage*>& in, int first, 96 VipsImage* imap, VipsImage* omap, 97 unsigned int& level); 98 }; 99 100 101 102 template < OP_TEMPLATE_DEF > 103 class PerspectiveProc 104 { 105 public: render(VipsRegion ** ireg,int n,int in_first,VipsRegion * imap,VipsRegion * omap,VipsRegion * oreg,OpParBase * par)106 void render(VipsRegion** ireg, int n, int in_first, 107 VipsRegion* imap, VipsRegion* omap, 108 VipsRegion* oreg, OpParBase* par) 109 { 110 } 111 }; 112 113 ProcessorBase* new_perspective(); 114 } 115 116 #endif 117 118 119