From 49dbdd4940aa78021f4ba516f4edb632058262bf Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@fe.uni-lj.si>
Date: Wed, 25 Jun 2014 09:44:48 +0000
Subject: [PATCH] Fixes bugs in creating IsakPrograms compatible image

---
 src/cross-section.c |   52 +++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 45 insertions(+), 7 deletions(-)

diff --git a/src/cross-section.c b/src/cross-section.c
index d25f934..d4da81c 100644
--- a/src/cross-section.c
+++ b/src/cross-section.c
@@ -2,6 +2,7 @@
 #include<cross-section.h>
 #include<coord.h>
 #include<cairo/cairo.h>
+#include<stdint.h>
 /** @brief Calculates cross-section of vesicle with plane.
  *
  * Function returns points of cross-section of vesicle with plane. Plane is described with equation $ax+by+cz+d=0$. Algorithm extracts coordinates of each vertex of a vesicle and then:
@@ -77,17 +78,17 @@
 	cairo_surface_t *surface;
 	cairo_t *cr;
 	ts_uint i;
-	surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 1800, 1800);
+	surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 768, 576);
 	cr = cairo_create (surface);
-	cairo_rectangle(cr, 0.0, 0.0, 1800,1800);
-	cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
+	cairo_rectangle(cr, 0.0, 0.0, 768,576);
+	cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
 	cairo_fill(cr);
-	cairo_set_line_width (cr, 5.0/30.0);
+	cairo_set_line_width (cr, 2.0/8.0);
 	cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
 	cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND); 
-	cairo_translate(cr, 900,900);
-	cairo_scale (cr, 30, 30);
-	cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
+	cairo_translate(cr, 380,250);
+	cairo_scale (cr, 8.0, 8.0);
+	cairo_set_source_rgb (cr, 0.3, 0.3, 0.3);
 
 	for(i=0;i<pts->n;i+=2){
 		cairo_move_to(cr, pts->coord[i]->e1, pts->coord[i]->e2);
@@ -95,6 +96,7 @@
 	}
 	cairo_stroke(cr);
 	cairo_surface_write_to_png (surface,filename);
+    append_to_isak_program_raw(surface,"experimental.img");
 	cairo_surface_finish (surface);	
 	return TS_SUCCESS;
 }
@@ -106,3 +108,39 @@
 	crossection_to_png(pts,filename);
 	return TS_SUCCESS;
 }
+
+ts_bool append_to_isak_program_raw(cairo_surface_t *surface, char *filename){
+    
+    unsigned char *d=cairo_image_surface_get_data(surface);
+    int w=cairo_image_surface_get_width(surface);
+    int h=cairo_image_surface_get_height(surface);
+    int s=cairo_image_surface_get_stride(surface);
+    int i,j;
+    FILE *fd=fopen(filename, "a+");
+
+    uint32_t *pixelptr; 
+    uint32_t my_pixel;
+    uint8_t pixel_channel;
+//       red = (pixel[8] >> 16) & 0xFF;
+
+
+
+       fwrite (&w,sizeof(uint32_t),1,fd);
+       fwrite (&h,sizeof(uint32_t),1,fd);
+       fwrite (&w,sizeof(uint32_t),1,fd);//time!
+    for(i=0;i<h;i++){
+        for(j=0;j<w;j++){
+            pixelptr=(uint32_t *)(d + i * s);
+            my_pixel = pixelptr[j];
+            pixel_channel=(my_pixel>>16)&0xFF;
+            fwrite(&pixel_channel,sizeof(uint8_t), 1,fd);
+        }
+    }
+    fclose(fd);
+    return TS_SUCCESS;
+}
+
+/*ts_bool init_isak_program_raw_output_file(ts_uint w, ts_uint h, char *filename){
+
+
+}*/

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