fbgrab: add support for monochrome framebuffer

diff --git a/packages/fbgrab/fbgrab/fbgrab_1bpp.patch b/packages/fbgrab/fbgrab/fbgrab_1bpp.patch
new file mode 100644 (file)
index 0000000..8c6dff2
--- /dev/null
+++ b/packages/fbgrab/fbgrab/fbgrab_1bpp.patch
@@ -0,0 +1,52 @@
+--- fbgrab-1.0.orig/fbgrab.c   2002-04-15 22:22:54.000000000 +0200
++++ fbgrab-1.0/fbgrab.c        2008-12-15 20:18:55.000000000 +0100
+@@ -135,6 +135,26 @@
+       fatal_error("Error: Not enough memory or data\n");
+ }
+ 
++static void convert1to32(int width, int height, 
++                          unsigned char *inbuffer, 
++                          unsigned char *outbuffer)
++{
++    unsigned int i, j;
++    unsigned char *ptr = outbuffer;
++
++    for (i=0; i < (unsigned int) height*width >> 3; i++)
++    {
++      for(j=0; j < 8; j++)
++      {
++          /* BLUE = 0, GREEN = 1, RED = 2 */
++          *ptr = *(ptr+1) = *(ptr+2) = ((inbuffer[i] >> (7-j)) & 1) ? 255 : 0;
++          /* ALPHA = 3 */
++          *(ptr+3) = '\0';
++          ptr += 4;
++      }
++    }
++}
++
+ static void convert1555to32(int width, int height, 
+                           unsigned char *inbuffer, 
+                           unsigned char *outbuffer)
+@@ -270,6 +290,10 @@
+     
+     switch(bits) 
+     {
++    case 1:
++      convert1to32(width, height, inbuffer, outbuffer);
++      write_PNG(outbuffer, filename, width, height, interlace);
++      break;
+     case 15:
+       convert1555to32(width, height, inbuffer, outbuffer);
+       write_PNG(outbuffer, filename, width, height, interlace);
+@@ -405,7 +429,10 @@
+       strncpy(infile, device, MAX_LEN - 1);
+     }
+     
+-    buf_size = width * height * (((unsigned int) bitdepth + 7) >> 3);
++    if (bitdepth == 1)
++      buf_size = (width * height) >> 3;
++    else
++      buf_size = width * height * (((unsigned int) bitdepth + 7) >> 3);
+ 
+     buf_p = malloc(buf_size);
+     

diff --git a/packages/fbgrab/fbgrab_1.0.bb b/packages/fbgrab/fbgrab_1.0.bb
index 8790fe0..28ac55f 100644 (file)
--- a/packages/fbgrab/fbgrab_1.0.bb
+++ b/packages/fbgrab/fbgrab_1.0.bb
@@ -2,13 +2,14 @@ SECTION = "console/network"
 DESCRIPTION = "framebuffer screenshot program"
 LICENSE = "GPL"
 
-PR = "r1"
+PR = "r2"
 
 DEPENDS = " zlib libpng "
 
 SRC_URI = "http://hem.bredband.net/gmogmo/fbgrab/fbgrab-${PV}.tar.gz \
            file://makefile.patch;patch=1 \
           http://people.openezx.org/ao2/fbgrab_network_mode.diff;patch=1 \
+          file://fbgrab_1bpp.patch;patch=1 \
           "
 
 do_install() {