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Improved image dimension handling

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Drivers now specify the size of the image they provide, and theres an API
so that you can get the size of an image before you capture it.
This commit is contained in:
Daniel Drake
2007-10-27 14:45:14 +01:00
parent 9960a7ff34
commit c2a83ec948
4 changed files with 26 additions and 6 deletions
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7
libfprint/drivers/uru4000.c
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@@ -39,8 +39,6 @@
#define DATABLK2_EXPECT 0xb1c0
#define CAPTURE_HDRLEN 64
#define IRQ_LENGTH 64
#define IMG_WIDTH 384
#define IMG_HEIGHT 289
enum {
IRQDATA_SCANPWR_ON = 0x56aa,
@@ -292,8 +290,6 @@ static int capture(struct fp_img_dev *dev, gboolean unconditional,
/* remove header and shrink allocation */
g_memmove(img->data, img->data + CAPTURE_HDRLEN, image_size);
img = fpi_img_resize(img, image_size);
img->width = IMG_WIDTH;
img->height = IMG_HEIGHT;
img->flags = FP_IMG_V_FLIPPED | FP_IMG_H_FLIPPED | FP_IMG_COLORS_INVERTED;
*ret = img;
@@ -498,6 +494,9 @@ struct fp_img_driver uru4000_driver = {
.id_table = id_table,
},
.flags = FP_IMGDRV_SUPPORTS_UNCONDITIONAL_CAPTURE,
.img_height = 289,
.img_width = 384,
.init = dev_init,
.exit = dev_exit,
.await_finger_on = await_finger_on,