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this works with an 8bit indexed uncompressed BMP

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@584 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Daniel Stenberg 2002-05-16 12:48:38 +00:00
parent eae6296b56
commit 05fcd0b0e2
1 changed files with 11 additions and 6 deletions
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17
uisimulator/bmp.c
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@ -107,7 +107,7 @@ int read_bmp_file(char* filename,
long size;
unsigned int row, col, byte, bit;
int l;
char *bmp;
unsigned char *bmp;
int width;
int height;
@ -179,8 +179,12 @@ int read_bmp_file(char* filename,
background = 1;
}
width = readlong(fh.Width)*readshort(fh.BitCount);
PaddedWidth = ((width+31)&(~0x1f))/8;
/* width = readlong(fh.Width)*readshort(fh.BitCount); */
width = readlong(fh.Width);
/* PaddedWidth = ((width+31)&(~0x1f))/8; */
PaddedWidth = ((width+7)&(~0x7));
size = PaddedWidth*readlong(fh.Height);
bmp = (unsigned char *)malloc(size);
@ -231,13 +235,14 @@ int read_bmp_file(char* filename,
#else
/* Now convert the bitmap into an array with 1 byte per pixel,
exactly the size of the image */
for(row = 0;row < bitmap_height;row++) {
for(col = 0;col < bitmap_width;col++) {
if(bmp[(bitmap_height - row) * PaddedWidth]) {
bitmap[ (row/8) * bitmap_width + col ] |= 1<<(row&7);
if(bmp[(bitmap_height-1 -row) * PaddedWidth + col]) {
bitmap[ (row/8) * bitmap_width + col ] &= ~ (1<<(row&7));
}
else {
bitmap[ (row/8) * bitmap_width + col ] &= ~ 1<<(row&7);
bitmap[ (row/8) * bitmap_width + col ] |= 1<<(row&7);
}
}
}