Changeset 949

Timestamp:

09/26/10 23:06:02 (3 years ago)

Author:

reyalp

Message:

add aspect correction for ixus95, should fix zebra and grids etc

Location:

trunk

Files:

• include/camera.h (modified) (1 diff)
• platform/ixus95_sd1200/sub/100c/lib.c (modified) (1 diff)

trunk/include/camera.h

@@ -2189 +2189 @@
         // camera name
         #define PARAM_CAMERA_NAME 4 // parameter number for GetParameterData
-// TODO this was in the original zebra mess, not clear if needed or just for mem saving ?
-   #define CAM_ZEBRA_ASPECT_ADJUST 1
+
+        // aspect correction
+    #undef CAM_USES_ASPECT_CORRECTION
+    #undef CAM_USES_ASPECT_YCORRECTION
+    #define CAM_USES_ASPECT_CORRECTION          1  //camera uses the modified graphics primitives to map screens an viewports to buffers more sized 
+    #define CAM_USES_ASPECT_YCORRECTION         0  //only uses mappings on x coordinate
+
+    #undef ASPECT_XCORRECTION
+    #define ASPECT_XCORRECTION(x)   ( ((x)<<1) )
+
+    // Note color palette affects grids!
+    #undef ASPECT_GRID_XCORRECTION
+    #define ASPECT_GRID_XCORRECTION(x)   ( (x) )
+
+    #undef ASPECT_GRID_YCORRECTION
+    #define ASPECT_GRID_YCORRECTION(y)  ( (y) )
+
+    #undef ASPECT_VIEWPORT_XCORRECTION 
+    #define ASPECT_VIEWPORT_XCORRECTION(x) ASPECT_GRID_XCORRECTION(x)
+    #undef ASPECT_VIEWPORT_YCORRECTION 
+    #define ASPECT_VIEWPORT_YCORRECTION(y) ( (y) )
+
+        //games mappings
+        #undef GAMES_SCREEN_WIDTH
+        #undef GAMES_SCREEN_HEIGHT
+        #define GAMES_SCREEN_WIDTH              360
+        #define GAMES_SCREEN_HEIGHT             240
+        #undef ASPECT_GAMES_XCORRECTION
+        // 720/360=2 same aspect than grids and viewport but another approach: there is a lot of corrections to do in game's code, and we decide to paint directly on display buffer wirh another resolution
+        // used by gui.c that configures the draw environment (trhough new draw_gui function) depending on gui_mode: we have then 360x240 for games (but deformed output:circles are not circles) and 320x240 for
+        // other modes in perfect aspect ratio 4/3: slightly better visualization: file menus more readable, ...
+        #define ASPECT_GAMES_XCORRECTION(x)   ( ((x)<<1) )
+        #undef ASPECT_GAMES_YCORRECTION
+        #define ASPECT_GAMES_YCORRECTION(y)   ( (y) )  //none
+
+    #define CAM_ZEBRA_ASPECT_ADJUST 1
+
 //----------------------------------------------------------
 

trunk/platform/ixus95_sd1200/sub/100c/lib.c

@@ -85 +85 @@
 
 
+// note real width is 720, report 360 for aspect adjustment
 long vid_get_bitmap_screen_width()
 {
-    return 720;
+    return 360;
 }