137 lines
4 KiB
C
137 lines
4 KiB
C
/*
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* Example fingerprint device prints listing and deletion
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* Enrolls your right index finger and saves the print to disk
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* Copyright (C) 2019 Benjamin Berg <bberg@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <glib.h>
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#include <cairo.h>
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#include "fpi-assembling.h"
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#include "fpi-image.h"
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#include "test-config.h"
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typedef struct
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{
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struct fpi_frame frame;
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cairo_surface_t *surf;
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guchar *data;
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guint stride;
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guint width;
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guint height;
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guint x;
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guint y;
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} cairo_frame;
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static unsigned char
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cairo_get_pixel (struct fpi_frame_asmbl_ctx *ctx,
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struct fpi_frame *frame,
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unsigned int x,
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unsigned int y)
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{
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cairo_frame *c_frame = (void *) frame; /* Indirect cast to avoid alignment warning. */
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x = x + c_frame->x;
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y = y + c_frame->y;
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g_assert (x < c_frame->width);
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g_assert (y < c_frame->height);
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return c_frame->data[x * 4 + y * c_frame->stride + 1];
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}
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static void
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test_frame_assembling (void)
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{
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g_autofree char *path = NULL;
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cairo_surface_t *img = NULL;
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int width, height, stride, offset;
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int test_height;
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guchar *data;
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struct fpi_frame_asmbl_ctx ctx = { 0, };
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g_autoptr(FpImage) fp_img = NULL;
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GSList *frames = NULL;
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g_assert_false (SOURCE_ROOT == NULL);
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path = g_build_path (G_DIR_SEPARATOR_S, SOURCE_ROOT, "tests", "vfs5011", "capture.png", NULL);
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img = cairo_image_surface_create_from_png (path);
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data = cairo_image_surface_get_data (img);
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width = cairo_image_surface_get_width (img);
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height = cairo_image_surface_get_height (img);
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stride = cairo_image_surface_get_stride (img);
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g_assert_cmpint (cairo_image_surface_get_format (img), ==, CAIRO_FORMAT_RGB24);
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ctx.get_pixel = cairo_get_pixel;
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ctx.frame_width = width;
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ctx.frame_height = 20;
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ctx.image_width = width;
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g_assert (height > ctx.frame_height);
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offset = 10;
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test_height = height - (height - ctx.frame_height) % offset;
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/* for now, fixed offset */
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for (int y = 0; y + ctx.frame_height < height; y += offset)
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{
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cairo_frame *frame = g_new0 (cairo_frame, 1);
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frame->surf = img;
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frame->width = width;
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frame->height = height;
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frame->stride = stride;
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frame->data = data;
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frame->x = 0;
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frame->y = y;
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//frame->y = test_height - ctx.frame_height - y;
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frames = g_slist_append (frames, frame);
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}
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//offset = -offset;
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fpi_do_movement_estimation (&ctx, frames);
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for (GSList *l = frames->next; l != NULL; l = l->next)
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{
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cairo_frame * frame = l->data;
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g_assert_cmpint (frame->frame.delta_x, ==, 0);
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g_assert_cmpint (frame->frame.delta_y, ==, offset);
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}
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fp_img = fpi_assemble_frames (&ctx, frames);
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g_assert_cmpint (fp_img->height, ==, test_height);
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/* The FpImage and cairo surface need to be identical in the test area */
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for (int y = 0; y < test_height; y++)
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for (int x = 0; x < width; x++)
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g_assert_cmpint (data[x * 4 + y * stride + 1], ==, fp_img->data[x + y * width]);
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g_slist_free_full (frames, g_free);
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cairo_surface_destroy (img);
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g_assert (1);
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/assembling/frames", test_frame_assembling);
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return g_test_run ();
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}
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