1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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);
|
