Changeset 98895c5c in mainline for kernel/genarch/src/fb/fb.c

Timestamp:

2009-03-24T16:09:17Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2fce275

Parents:

6a75902c

Message:

simplify glyph mapping function
draw invalid glyphs with a distinctive color

File:

• kernel/genarch/src/fb/fb.c (modified) (3 diffs)

kernel/genarch/src/fb/fb.c

@@ -78 +78 @@
 #define BG_COLOR     0x000080
 #define FG_COLOR     0xffff00
+#define INV_COLOR    0xaaaaaa
 
 #define CURSOR       0x2588
@@ -345 +346 @@
         
         for (glyph = 0; glyph < FONT_GLYPHS; glyph++) {
+                uint32_t fg_color;
+                
+                if (glyph == FONT_GLYPHS - 1)
+                        fg_color = INV_COLOR;
+                else
+                        fg_color = FG_COLOR;
+                
                 unsigned int y;
                 
@@ -354 +362 @@
                                     x * pixelbytes];
                                 uint32_t rgb = (fb_font[glyph][y] &
-                                    (1 << (7 - x))) ? FG_COLOR : BG_COLOR;
+                                    (1 << (7 - x))) ? fg_color : BG_COLOR;
                                 rgb_conv(dst, rgb);
                         }