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| author | Matthias Vogelgesang <matthias.vogelgesang@kit.edu> | 2013-09-23 08:47:48 +0200 |
|---|---|---|
| committer | Matthias Vogelgesang <matthias.vogelgesang@kit.edu> | 2013-09-23 08:47:48 +0200 |
| commit | 8ca77449016890ea5b39f9ad76be9390e649994b (patch) | |
| tree | 45b2ed4c141395b8ab20e7f24d74ecc9c7a9458d /bin | |
| parent | 1e0f5c0e7db5983ea4ceadc9ebb6992144eddc37 (diff) | |
| download | libuca-8ca77449016890ea5b39f9ad76be9390e649994b.tar.gz libuca-8ca77449016890ea5b39f9ad76be9390e649994b.tar.bz2 libuca-8ca77449016890ea5b39f9ad76be9390e649994b.tar.xz libuca-8ca77449016890ea5b39f9ad76be9390e649994b.zip | |
Do not query button for each pixel
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/gui/control.c | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/bin/gui/control.c b/bin/gui/control.c index b161e9b..0ea2a31 100644 --- a/bin/gui/control.c +++ b/bin/gui/control.c @@ -89,6 +89,7 @@ down_scale (ThreadData *data, gpointer buffer) gdouble max; gdouble factor; gdouble dval; + gboolean do_log; guint8 *output; gint stride; gint i = 0; @@ -99,6 +100,7 @@ down_scale (ThreadData *data, gpointer buffer) factor = 255.0 / (max - min); output = data->pixels; stride = (gint) 1 / data->zoom_factor; + do_log = gtk_toggle_button_get_active (data->log_button); if (data->state == RUNNING) { gint page_width = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->hadjustment)); @@ -107,7 +109,8 @@ down_scale (ThreadData *data, gpointer buffer) start_hval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->vadjustment)); data->page_width = (page_width + start_wval); data->page_height = (page_height + start_hval); - } else { + } + else { start_wval = 0; start_hval = 0; data->page_width = data->display_width; @@ -121,20 +124,17 @@ down_scale (ThreadData *data, gpointer buffer) gint offset = y * stride * data->width; for (gint x = 0; x < data->display_width; x++, offset += stride) { - if (y >= start_hval && y < data->page_height) { if (x >= start_wval && x < data->page_width) { - if (gtk_toggle_button_get_active (data->log_button)) - { - dval = log((input[offset] - min) * factor); - } else { + if (do_log) + dval = log ((input[offset] - min) * factor); + else dval = (input[offset] - min) * factor; - } } } - guchar val = (guchar) CLAMP(dval, 0.0, 255.0); + guchar val = (guchar) CLAMP(dval, 0.0, 255.0); output[i++] = val; output[i++] = val; output[i++] = val; @@ -148,20 +148,17 @@ down_scale (ThreadData *data, gpointer buffer) gint offset = y * stride * data->width; for (gint x = 0; x < data->display_width; x++, offset += stride) { - if (y >= start_hval && y < data->page_height) { if (x >= start_wval && x < data->page_width) { - if (gtk_toggle_button_get_active (data->log_button)) - { - dval = log((input[offset] - min) * factor); - } else { + if (do_log) + dval = log ((input[offset] - min) * factor); + else dval = (input[offset] - min) * factor; - } } } - guchar val = (guchar) CLAMP(dval, 0.0, 255.0); + guchar val = (guchar) CLAMP(dval, 0.0, 255.0); output[i++] = val; output[i++] = val; output[i++] = val; @@ -177,6 +174,7 @@ up_scale (ThreadData *data, gpointer buffer) gdouble max; gdouble factor; gdouble dval; + gboolean do_log; guint8 *output; gint i = 0; gint zoom; @@ -187,6 +185,7 @@ up_scale (ThreadData *data, gpointer buffer) factor = 255.0 / (max - min); output = data->pixels; zoom = (gint) data->zoom_factor; + do_log = gtk_toggle_button_get_active (data->log_button); if (data->state == RUNNING) { gint page_width = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->hadjustment)); @@ -195,7 +194,8 @@ up_scale (ThreadData *data, gpointer buffer) start_hval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->vadjustment)); data->page_width = (page_width + start_wval); data->page_height = (page_height + start_hval); - } else { + } + else { start_wval = 0; start_hval = 0; data->page_width = data->display_width; @@ -212,16 +212,14 @@ up_scale (ThreadData *data, gpointer buffer) if (y >= start_hval && y < data->page_height) { if (x >= start_wval && x < data->page_width) { - if (gtk_toggle_button_get_active (data->log_button)) - { - dval = log((input[offset] - min) * factor); - } else { + if (do_log) + dval = log ((input[offset] - min) * factor); + else dval = (input[offset] - min) * factor; - } } } - guchar val = (guchar) CLAMP(dval, 0.0, 255.0); + guchar val = (guchar) CLAMP(dval, 0.0, 255.0); output[i++] = val; output[i++] = val; output[i++] = val; @@ -238,16 +236,14 @@ up_scale (ThreadData *data, gpointer buffer) if (y >= start_hval && y < data->page_height) { if (x >= start_wval && x < data->page_width) { - if (gtk_toggle_button_get_active (data->log_button)) - { - dval = log((input[offset] - min) * factor); - } else { + if (do_log) + dval = log ((input[offset] - min) * factor); + else dval = (input[offset] - min) * factor; - } } } - guchar val = (guchar) CLAMP(dval, 0.0, 255.0); + guchar val = (guchar) CLAMP(dval, 0.0, 255.0); output[i++] = val; output[i++] = val; output[i++] = val; @@ -298,14 +294,15 @@ get_statistics (ThreadData *data, gdouble *mean, gdouble *sigma, guint *_max, gu } } - if (gtk_toggle_button_get_active (data->log_button)) - { + if (gtk_toggle_button_get_active (data->log_button)) { *mean = log(sum/n); - *sigma = log(sqrt((squared_sum - sum*sum/n) / (n - 1))); - } else { + *sigma = log (sqrt((squared_sum - sum*sum/n) / (n - 1))); + } + else { *mean = sum / n; - *sigma = sqrt((squared_sum - sum*sum/n) / (n - 1)); + *sigma = sqrt ((squared_sum - sum*sum/n) / (n - 1)); } + *_min = min; *_max = max; } |