center text vertically. use the font's height because all that space is needed for...

[chaz/openbox] / render / color.c

diff --git a/render/color.c b/render/color.c
index 3a5b6cdb2234b39c826841b535ac13b857326181..af57b78aad1efbe36311b639782e9eef1abaa5de 100644 (file)
--- a/render/color.c
+++ b/render/color.c
@@ -1,5 +1,6 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#include <string.h>
 #include "render.h"
 #include "color.h"
 #include "../kernel/openbox.h"
@@ -82,9 +83,9 @@ void reduce_depth(pixel32 *data, XImage *im)
                     r = (data[x] >> default_red_offset) & 0xFF;
                     g = (data[x] >> default_green_offset) & 0xFF;
                     b = (data[x] >> default_blue_offset) & 0xFF;
-                    p32[x] = (r << render_red_offset)
-                           + (g << render_green_offset)
-                           + (b << render_blue_offset);
+                    p32[x] = (r << render_red_shift)
+                           + (g << render_green_shift)
+                           + (b << render_blue_shift);
                 }
                 data += im->width;
                 p32 += im->width;
@@ -125,6 +126,7 @@ void reduce_depth(pixel32 *data, XImage *im)
         g_message("your bit depth is currently unhandled\n");
     }
 }
+
 XColor *pickColor(int r, int g, int b) 
 {
   r = (r & 0xff) >> (8-pseudo_bpc);
@@ -132,3 +134,104 @@ XColor *pickColor(int r, int g, int b)
   b = (b & 0xff) >> (8-pseudo_bpc);
   return &pseudo_colors[(r << (2*pseudo_bpc)) + (g << (1*pseudo_bpc)) + b];
 }
+
+static void swap_byte_order(XImage *im)
+{
+    int x, y, di;
+
+    g_message("SWAPPING BYTE ORDER");
+
+    di = 0;
+    for (y = 0; y < im->height; ++y) {
+        for (x = 0; x < im->height; ++x) {
+            char *c = &im->data[di + x * im->bits_per_pixel / 8];
+            char t;
+
+            switch (im->bits_per_pixel) {
+            case 32:
+                t = c[2];
+                c[2] = c[3];
+                c[3] = t;
+            case 16:
+                t = c[0];
+                c[0] = c[1];
+                c[1] = t;
+            case 8:
+                break;
+            default:
+                g_message("your bit depth is currently unhandled\n");
+            }
+        }
+        di += im->bytes_per_line;
+    }
+
+    if (im->byte_order == LSBFirst)
+        im->byte_order = MSBFirst;
+    else
+        im->byte_order = LSBFirst;
+}
+
+void increase_depth(pixel32 *data, XImage *im)
+{
+    int r, g, b;
+    int x,y;
+    pixel32 *p32 = (pixel32 *) im->data;
+    pixel16 *p16 = (pixel16 *) im->data;
+    unsigned char *p8 = (unsigned char *)im->data;
+
+    if (im->byte_order != render_endian)
+        swap_byte_order(im);
+
+    switch (im->bits_per_pixel) {
+    case 32:
+        for (y = 0; y < im->height; y++) {
+            for (x = 0; x < im->width; x++) {
+                r = (p32[x] >> render_red_offset) & 0xff;
+                g = (p32[x] >> render_green_offset) & 0xff;
+                b = (p32[x] >> render_blue_offset) & 0xff;
+                data[x] = (r << default_red_offset)
+                    + (g << default_green_offset)
+                    + (b << default_blue_offset)
+                    + (0xff << default_alpha_offset);
+            }
+            data += im->width;
+            p32 += im->bytes_per_line/4;
+        }
+        break;
+    case 16:
+        for (y = 0; y < im->height; y++) {
+            for (x = 0; x < im->width; x++) {
+                r = (p16[x] & render_red_mask) >> render_red_offset <<
+                    render_red_shift;
+                g = (p16[x] & render_green_mask) >> render_green_offset <<
+                    render_green_shift;
+                b = (p16[x] & render_blue_mask) >> render_blue_offset <<
+                    render_blue_shift;
+                data[x] = (r << default_red_offset)
+                    + (g << default_green_offset)
+                    + (b << default_blue_offset)
+                    + (0xff << default_alpha_offset);
+            }
+            data += im->width;
+            p16 += im->bytes_per_line/2;
+        }
+        break;
+    case 8:
+        g_message("this image bit depth is currently unhandled\n");
+        break;
+    case 1:
+        for (y = 0; y < im->height; y++) {
+            for (x = 0; x < im->width; x++) {
+                if (!(((p8[x / 8]) >> (x % 8)) & 0x1))
+                    data[x] = 0xff << default_alpha_offset; /* black */
+                else
+                    data[x] = 0xffffffff; /* white */
+            }
+            data += im->width;
+            p8 += im->bytes_per_line;
+        }
+        break;
+    default:
+        g_message("this image bit depth is currently unhandled\n");
+    }
+}