From b85255a2b51a601b4819b150ade9b16887a06c23 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Tue, 17 Apr 2012 17:06:10 +0200
Subject: Print the current frame as feed-back
---
src/cameras/uca-mock-camera.c | 92 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 92 insertions(+)
(limited to 'src/cameras')
diff --git a/src/cameras/uca-mock-camera.c b/src/cameras/uca-mock-camera.c
index da186a8..d27423e 100644
--- a/src/cameras/uca-mock-camera.c
+++ b/src/cameras/uca-mock-camera.c
@@ -71,6 +71,7 @@ struct _UcaMockCameraPrivate {
gfloat frame_rate;
gfloat max_frame_rate;
guint8 *dummy_data;
+ guint current_frame;
gboolean thread_running;
@@ -78,6 +79,94 @@ struct _UcaMockCameraPrivate {
GValueArray *binnings;
};
+static const char g_digits[10][20] = {
+ /* 0 */
+ { 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0xff, 0x00, 0x00, 0xff,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0x00 },
+ /* 1 */
+ { 0x00, 0x00, 0xff, 0x00,
+ 0x00, 0xff, 0xff, 0x00,
+ 0x00, 0x00, 0xff, 0x00,
+ 0x00, 0x00, 0xff, 0x00,
+ 0x00, 0x00, 0xff, 0x00 },
+ /* 2 */
+ { 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0x00, 0xff, 0x00,
+ 0x00, 0xff, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff },
+ /* 3 */
+ { 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0x00, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0x00 },
+ /* 4 */
+ { 0xff, 0x00, 0x00, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0xff,
+ 0x00, 0x00, 0x00, 0xff },
+ /* 5 */
+ { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0x00, 0x00, 0x00,
+ 0x00, 0xff, 0xff, 0x00,
+ 0x00, 0x00, 0x00, 0xff,
+ 0xff, 0xff, 0xff, 0x00 },
+ /* 6 */
+ { 0x00, 0xff, 0xff, 0xff,
+ 0xff, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0x00 },
+ /* 7 */
+ { 0xff, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0xff,
+ 0x00, 0x00, 0xff, 0x00,
+ 0x00, 0xff, 0x00, 0x00,
+ 0xff, 0x00, 0x00, 0x00 },
+ /* 8 */
+ { 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0x00 },
+ /* 9 */
+ { 0x00, 0xff, 0xff, 0x00,
+ 0xff, 0x00, 0x00, 0xff,
+ 0x00, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0xff,
+ 0xff, 0xff, 0xff, 0x00 }
+};
+
+const guint DIGIT_WIDTH = 4;
+const guint DIGIT_HEIGHT = 5;
+
+static void print_number(gchar *buffer, guint number, guint x, guint y, guint width)
+{
+ for (int i = 0; i < DIGIT_WIDTH; i++) {
+ for (int j = 0; j < DIGIT_HEIGHT; j++) {
+ buffer[(y+j)*width + (x+i)] = g_digits[number][j*DIGIT_WIDTH+i];
+ }
+ }
+}
+
+static void print_current_frame(UcaMockCameraPrivate *priv, gchar *buffer)
+{
+ guint number = priv->current_frame;
+ guint divisor = 100000000;
+ int x = 10;
+ while (divisor > 1) {
+ print_number(buffer, number / divisor, x, 10, priv->width);
+ number = number % divisor;
+ divisor = divisor / 10;
+ x += DIGIT_WIDTH + 1;
+ }
+}
+
/**
* uca_mock_camera_new:
* @error: Location for error
@@ -163,6 +252,8 @@ static void uca_mock_camera_grab(UcaCamera *camera, gpointer *data, GError **err
*data = g_malloc0(priv->width * priv->height);
g_memmove(*data, priv->dummy_data, priv->width * priv->height);
+ print_current_frame(priv, *data);
+ priv->current_frame++;
}
static void uca_mock_camera_set_property(GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
@@ -290,6 +381,7 @@ static void uca_mock_camera_init(UcaMockCamera *self)
self->priv->frame_rate = self->priv->max_frame_rate = 100000.0f;
self->priv->dummy_data = (guint8 *) g_malloc0(self->priv->width * self->priv->height);
self->priv->grab_thread = NULL;
+ self->priv->current_frame = 0;
self->priv->binnings = g_value_array_new(1);
GValue val = {0};
--
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