diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/mock/uca-mock-camera.c | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/plugins/mock/uca-mock-camera.c b/plugins/mock/uca-mock-camera.c index 18ac7db..b75882e 100644 --- a/plugins/mock/uca-mock-camera.c +++ b/plugins/mock/uca-mock-camera.c @@ -155,6 +155,7 @@ static void print_current_frame (UcaMockCameraPrivate *priv, gchar *buffer) { guint number = priv->current_frame; + char default_line[priv->width]; guint divisor = 10000000; int x = 1; @@ -165,45 +166,33 @@ print_current_frame (UcaMockCameraPrivate *priv, gchar *buffer) x += DIGIT_WIDTH + 1; } - - //Rainbow pattern is the same for every row. Just calculate one single - //Scanline, so we can reuse it and dont have to do the whole calculation - //for every row again. - char default_line[priv->width]; for (int p = 0; p < priv->width; p++) { default_line[p] = (char) ((p*256) / (priv->width)); } - - //Use memcpy to quickly fill every row with the precalculated rainbow - //pattern for (guint y = 16; y < priv->height; y++) { guint index = y * priv->width; - memcpy(&buffer[index], &default_line[0], priv->width); + memcpy (&buffer[index], &default_line[0], priv->width); } - #ifdef __CREATE_RANDOM_IMAGE_DATA__ - - //This block will fill a square at the center of the image with noraml - //distributed random data - const double mean = 128.0; - const double std = 32.0; - - for (guint y = (priv->height/3); y < ((priv->height*2)/3); y++) { - guint row_start = y * priv->width; - for (guint i = (priv->width/3); i < ((priv->width*2)/3); i++) { - int index = row_start + i; - double u1 = g_rand_double(priv->rand); - double u2 = g_rand_double(priv->rand); - double r = sqrt(-2 * log(u1)) * cos(2 * G_PI * u2); - buffer[index] = (guint8) (r * std + mean); - } +#ifdef __CREATE_RANDOM_IMAGE_DATA__ + //This block will fill a square at the center of the image with noraml + //distributed random data + const double mean = 128.0; + const double std = 32.0; + + for (guint y = (priv->height/3); y < ((priv->height*2)/3); y++) { + guint row_start = y * priv->width; + + for (guint i = (priv->width/3); i < ((priv->width*2)/3); i++) { + int index = row_start + i; + double u1 = g_rand_double (priv->rand); + double u2 = g_rand_double (priv->rand); + double r = sqrt (-2 * log(u1)) * cos(2 * G_PI * u2); + buffer[index] = (guint8) (r * std + mean); } - - #endif - - - + } +#endif } static gpointer |