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aeslib: image assembly

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All 3 authentec drivers now use a shared image assembly function.
This commit is contained in:
Daniel Drake
2007-11-26 23:28:14 +00:00
parent e228f2c7da
commit 3479dee0e4
5 changed files with 33 additions and 44 deletions
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19
libfprint/drivers/aes1610.c
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@@ -231,15 +231,8 @@ static unsigned int assemble(unsigned char *input, unsigned char *output,
if (reverse)
output += (num_strips - 1) * FRAME_SIZE;
for (frame = 0; frame < num_strips; frame++) {
int column;
for (column = 0; column < FRAME_WIDTH; column++) {
int row;
for (row = 0; row < (FRAME_HEIGHT / 2); row++) {
output[FRAME_WIDTH * ( 2 * row) + column] = *input & 0x0F;
output[FRAME_WIDTH * ( 2 * row + 1) + column] = *input >> 4;
input++;
}
}
aes_assemble_image(input, FRAME_WIDTH, FRAME_HEIGHT, output);
input += FRAME_WIDTH * (FRAME_HEIGHT / 2);
if (reverse)
output -= FRAME_SIZE;
@@ -410,6 +403,7 @@ static int capture(struct fp_img_dev *dev, gboolean unconditional,
unsigned char *cooked;
unsigned char *imgptr;
unsigned char buf[665];
int final_size;
int sum;
unsigned int count_blank = 0;
int i;
@@ -511,10 +505,9 @@ static int capture(struct fp_img_dev *dev, gboolean unconditional,
fp_dbg("reversed scan direction");
}
for (i = 0; i < img->height * FRAME_WIDTH; i++)
img->data[i] = (cooked[i] << 4) | 0xf;
img = fpi_img_resize(img, img->height * FRAME_WIDTH);
final_size = img->height * FRAME_WIDTH;
memcpy(img->data, cooked, final_size);
img = fpi_img_resize(img, final_size);
*ret = img;
return 0;
err: