volmetrics
changeset 1:cca2e05dbabe
display one slide (debugging)
| author | Eleni Maria Stea <eleni@mutantstargoat.com> |
|---|---|
| date | Sat, 11 Jan 2014 17:50:16 +0200 |
| parents | 88d390af583f |
| children | 46a24c493efd |
| files | src/main.cc src/volume.h |
| diffstat | 2 files changed, 44 insertions(+), 6 deletions(-) [+] |
line diff
1.1 --- a/src/main.cc Sat Jan 11 17:22:36 2014 +0200 1.2 +++ b/src/main.cc Sat Jan 11 17:50:16 2014 +0200 1.3 @@ -4,6 +4,8 @@ 1.4 #include <stdio.h> 1.5 #include <assert.h> 1.6 1.7 +#include "image.h" 1.8 + 1.9 //static void init(void); 1.10 static void display(void); 1.11 static void reshape(int x, int y); 1.12 @@ -13,6 +15,13 @@ 1.13 1.14 static int win_xsz, win_ysz; 1.15 1.16 +///////////////////////////// 1.17 +// debug TODO remove 1.18 +//////////////////////////// 1.19 +static bool init(); 1.20 +Image img; 1.21 +unsigned int tex; 1.22 + 1.23 int main(int argc, char **argv) 1.24 { 1.25 glutInit(&argc, argv); 1.26 @@ -30,6 +39,10 @@ 1.27 glutMotionFunc(motion); 1.28 1.29 glewInit(); 1.30 + if(!init()) { 1.31 + fprintf(stderr, "Failed to initialize La votre Colonoscopie\n"); 1.32 + return 1; 1.33 + } 1.34 1.35 //call init 1.36 1.37 @@ -37,15 +50,18 @@ 1.38 return 0; 1.39 } 1.40 1.41 -int init(void) 1.42 -{ 1.43 - //TODO 1.44 - return 0; 1.45 -} 1.46 - 1.47 void display(void) 1.48 { 1.49 //render 1.50 + glBindTexture(GL_TEXTURE_2D, tex); 1.51 + glEnable(GL_TEXTURE_2D); 1.52 + glBegin(GL_QUADS); 1.53 + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0); 1.54 + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0); 1.55 + glTexCoord2f(1, 1); glVertex3f(1, 1, 0); 1.56 + glTexCoord2f(1, 0); glVertex3f(1, -1, 0); 1.57 + glEnd(); 1.58 + glDisable(GL_TEXTURE_2D); 1.59 1.60 glutSwapBuffers(); 1.61 assert(glGetError() == GL_NO_ERROR); 1.62 @@ -85,3 +101,20 @@ 1.63 prev_x = x; 1.64 prev_y = y; 1.65 } 1.66 + 1.67 +bool init() 1.68 +{ 1.69 + if(!img.load("data/la_colonoscopie/IM-0001-0248.png")) { 1.70 + fprintf(stderr, "Failed to load votre Colonoscopie\n"); 1.71 + return false; 1.72 + } 1.73 + 1.74 + glGenTextures(1, &tex); 1.75 + glBindTexture(GL_TEXTURE_2D, tex); 1.76 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 1.77 + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 1.78 + glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE16F_ARB, img.get_width(), 1.79 + img.get_height(), 0, GL_LUMINANCE, GL_FLOAT, img.get_pixels()); 1.80 + 1.81 + return true; 1.82 +}