From f35d2124c36f8d39a953b76620e081b79c2faffd Mon Sep 17 00:00:00 2001
From: Miguel <m.i@gmx.at>
Date: Sun, 14 Oct 2018 23:08:07 +0200
Subject: moved newlib specific stuff and similar into ./interface/

---
 video/compositor.c | 61 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 33 insertions(+), 28 deletions(-)

(limited to 'video')

diff --git a/video/compositor.c b/video/compositor.c
index 3751c05..645900e 100644
--- a/video/compositor.c
+++ b/video/compositor.c
@@ -349,43 +349,48 @@ double sqroot(double n){
 
 void compositor_set_background(char *ppm_raw_filename)
 {
-//  uint64_t t=timer_get_ms()/333;
-    /*
-    klog("loading bg...");
-    fd bg=mount_file_open(ppm_raw_filename);
-
-    uint32_t i=0;
+    // TODO: think about funny things to do with timer and update
+    // some generated / or modified bg regularly //
+    // uint64_t t=timer_get_ms()/333; //
 
-    for(int y=0;y<vesa_width;y++)
+    if(ppm_raw_filename!=0)
     {
-        for(int x=0;x<vesa_height;x++)
+        klog("loading bg...");
+        fd bg=mount_file_open(ppm_raw_filename);
+
+        uint32_t i=0;
+
+        for(int y=0;y<vesa_width;y++)
         {
-            bgimage[i]=(fd_read(&bg)<<16)+(fd_read(&bg)<<8)+fd_read(&bg);
-            backbuffer[i]=bgimage[i];
-            i++;
+            for(int x=0;x<vesa_height;x++)
+            {
+                bgimage[i]=(fd_read(&bg)<<16)+(fd_read(&bg)<<8)+fd_read(&bg);
+                backbuffer[i]=bgimage[i];
+                i++;
+            }
         }
-    }
-
-    klog("finished");
-    */
 
-    int center_x=vesa_width/2;
-    int center_y=vesa_height/2;
+        klog("finished");
+    }
+    else
+    {
+        int center_x=vesa_width/2;
+        int center_y=vesa_height/2;
 
-    int max_dist = center_x*center_x+center_y*center_y;
+        int max_dist = center_x*center_x+center_y*center_y;
 
-    for(int x=0;x<vesa_width;x++)
-    {
-        for(int y=0;y<vesa_height;y++)
+        for(int x=0;x<vesa_width;x++)
         {
-            int diffx=center_x-x;
-            int diffy=center_y-y;
-            int dist=diffx*diffx+diffy*diffy;
-            int val = 0xff*dist/max_dist;
+            for(int y=0;y<vesa_height;y++)
+            {
+                int diffx=center_x-x;
+                int diffy=center_y-y;
+                int dist=diffx*diffx+diffy*diffy;
+                int val = 0xff*dist/max_dist;
 
-            bgimage[x+y*vesa_width]=val;
-            //backbuffer[x+y*vesa_width]=valr<<16;
+                bgimage[x+y*vesa_width]=val;
+                //backbuffer[x+y*vesa_width]=valr<<16;
+            }
         }
     }
-
 }
-- 
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