gamma_ctrl.cpp File Reference

#include <stdio.h>
#include <stdlib.h>
#include "agg_rendering_buffer.h"
#include "agg_rasterizer_scanline_aa.h"
#include "agg_scanline_p.h"
#include "agg_renderer_scanline.h"
#include "agg_gsv_text.h"
#include "agg_conv_stroke.h"
#include "agg_path_storage.h"
#include "ctrl/agg_gamma_ctrl.h"
#include "platform/agg_platform_support.h"
#include "pixel_formats.h"

Go to the source code of this file.

Classes

class the_application

Defines

#define AGG_BGR24

Enumerations

enum flip_y_e { flip_y = true }

Functions

void read_gamma (const char *fname)

void write_gamma_bin (const char *fname)

void write_gamma_txt (const char *fname)

int agg_main (int argc, char *argv[])

Variables

agg::gamma_ctrl< agg::rgba8 > g_ctrl (10.0, 10.0, 300.0, 200.0,!flip_y)

Define Documentation

#define AGG_BGR24

Definition at line 13 of file gamma_ctrl.cpp.

Enumeration Type Documentation

enum flip_y_e

Enumerator:

flip_y

Definition at line 23 of file gamma_ctrl.cpp.
00023 { flip_y = true };

Function Documentation

int agg_main ( int argc,

char * argv[]

)

Definition at line 237 of file gamma_ctrl.cpp.
References platform_support::caption(), flip_y, platform_support::init(), pix_format, platform_support::run(), and agg::window_resize.
00238 { 00239 the_application app(pix_format, flip_y); 00240 app.caption("Anti-Aliasing Gamma Correction"); 00241 00242 if(app.init(500, 400, agg::window_resize)) 00243 { 00244 return app.run(); 00245 } 00246 return 1; 00247 }

void read_gamma ( const char * fname )

Definition at line 28 of file gamma_ctrl.cpp.
References g_ctrl, and gamma_ctrl_impl::values().
Referenced by the_application::on_init().
00029 { 00030 FILE* fd = fopen(fname, "rb"); 00031 if(fd) 00032 { 00033 char buf[32]; 00034 double kx1, ky1, kx2, ky2; 00035 fgets(buf, 30, fd); kx1 = atof(buf); 00036 fgets(buf, 30, fd); ky1 = atof(buf); 00037 fgets(buf, 30, fd); kx2 = atof(buf); 00038 fgets(buf, 30, fd); ky2 = atof(buf); 00039 g_ctrl.values(kx1, ky1, kx2, ky2); 00040 fclose(fd); 00041 } 00042 }

void write_gamma_bin ( const char * fname )

Definition at line 46 of file gamma_ctrl.cpp.
References g_ctrl, and gamma_ctrl_impl::gamma().
Referenced by the_application::~the_application().
00047 { 00048 const unsigned char* gamma = g_ctrl.gamma(); 00049 FILE* fd = fopen(fname, "wb"); 00050 if(fd) 00051 { 00052 fwrite(gamma, 256, 1, fd); 00053 fclose(fd); 00054 } 00055 }

void write_gamma_txt ( const char * fname )

Definition at line 58 of file gamma_ctrl.cpp.
References g_ctrl, gamma_ctrl_impl::gamma(), and gamma_ctrl_impl::values().
Referenced by the_application::~the_application().
00059 { 00060 const unsigned char* gamma = g_ctrl.gamma(); 00061 FILE* fd = fopen(fname, "w"); 00062 if(fd) 00063 { 00064 double kx1, ky1, kx2, ky2; 00065 g_ctrl.values(&kx1, &ky1, &kx2, &ky2); 00066 fprintf(fd, "%5.3f\n", kx1); 00067 fprintf(fd, "%5.3f\n", ky1); 00068 fprintf(fd, "%5.3f\n", kx2); 00069 fprintf(fd, "%5.3f\n", ky2); 00070 for(int i = 0; i < 16; i++) 00071 { 00072 for(int j = 0; j < 16; j++) 00073 { 00074 fprintf(fd, "%3d,", gamma[i*16 + j]); 00075 } 00076 fprintf(fd, "\n"); 00077 } 00078 fclose(fd); 00079 } 00080 }

Variable Documentation

agg::gamma_ctrl<agg::rgba8> g_ctrl(10.0, 10.0, 300.0, 200.0,!flip_y)

Referenced by the_application::on_draw(), read_gamma(), the_application::the_application(), write_gamma_bin(), and write_gamma_txt().


Classes
class	the_application
Defines
#define	AGG_BGR24
Enumerations
enum	flip_y_e { flip_y = true }
Functions
void	read_gamma (const char *fname)
void	write_gamma_bin (const char *fname)
void	write_gamma_txt (const char *fname)
int	agg_main (int argc, char *argv[])
Variables
agg::gamma_ctrl< agg::rgba8 >	g_ctrl (10.0, 10.0, 300.0, 200.0,!flip_y)