From f1a347e745c0570ffaaac9bd270f4d8578d3d1b3 Mon Sep 17 00:00:00 2001
From: jstebbins <jstebbins.hb@gmail.com>
Date: Thu, 4 Jun 2009 18:45:02 +0000
Subject: [PATCH] LinGui: fix a couple problems with showing the cropped region
 in the preview

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@2484 b64f7644-9d1e-0410-96f1-a4d463321fa5
---
 gtk/src/callbacks.c  | 16 ++++++++++++++--
 gtk/src/ghb.ui       |  2 +-
 gtk/src/hb-backend.c |  9 +++++++--
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/gtk/src/callbacks.c b/gtk/src/callbacks.c
index 9e449e34f..df76073a4 100644
--- a/gtk/src/callbacks.c
+++ b/gtk/src/callbacks.c
@@ -1563,7 +1563,7 @@ display_width_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 	update_preview = TRUE;
 }
 
-void
+G_MODULE_EXPORT void
 display_height_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 {
 	g_debug("display_height_changed_cb ()");
@@ -1589,7 +1589,7 @@ display_height_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 	update_preview = TRUE;
 }
 
-void
+G_MODULE_EXPORT void
 scale_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 {
 	g_debug("scale_changed_cb ()");
@@ -1631,6 +1631,18 @@ scale_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 	gtk_label_set_text (GTK_LABEL(widget), text);
 }
 
+G_MODULE_EXPORT void
+show_crop_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
+{
+	g_debug("show_crop_changed_cb ()");
+	ghb_widget_to_setting(ud->settings, widget);
+	ghb_check_dependency(ud, widget);
+	ghb_live_reset(ud);
+	if (GTK_WIDGET_SENSITIVE(widget))
+		ghb_set_scale (ud, 0);
+	update_preview = TRUE;
+}
+
 G_MODULE_EXPORT void
 generic_entry_changed_cb(GtkEntry *entry, signal_user_data_t *ud)
 {
diff --git a/gtk/src/ghb.ui b/gtk/src/ghb.ui
index e182d0a0a..109f0ac68 100644
--- a/gtk/src/ghb.ui
+++ b/gtk/src/ghb.ui
@@ -5385,7 +5385,7 @@ the required multiple.</property>
                         <property name="can_focus">True</property>
                         <property name="tooltip-text" translatable="yes">Show Cropped area of the preview</property>
                         <property name="label" translatable="yes">Show Crop</property>
-                        <signal name="toggled" handler="scale_changed_cb"/>
+                        <signal name="toggled" handler="show_crop_changed_cb"/>
                       </object>
                       <packing>
                         <property name="expand">False</property>
diff --git a/gtk/src/hb-backend.c b/gtk/src/hb-backend.c
index 7746af2cd..4b2e607c2 100644
--- a/gtk/src/hb-backend.c
+++ b/gtk/src/hb-backend.c
@@ -3116,12 +3116,17 @@ set_preview_job_settings(hb_job_t *job, GValue *settings)
 	job->height = ghb_settings_get_int(settings, "scale_height");
 	if (ghb_settings_get_boolean(settings, "show_crop"))
 	{
+		gdouble xscale = (gdouble)job->width / 
+			(gdouble)(job->title->width - job->crop[2] - job->crop[3]);
+		gdouble yscale = (gdouble)job->height / 
+			(gdouble)(job->title->height - job->crop[0] - job->crop[1]);
+	
+		job->width += xscale * (job->crop[2] + job->crop[3]);
+		job->height += yscale * (job->crop[0] + job->crop[1]);
 		job->crop[0] = 0;
 		job->crop[1] = 0;
 		job->crop[2] = 0;
 		job->crop[3] = 0;
-		job->width = job->title->width;
-		job->height = job->title->height;
 		job->anamorphic.modulus = 2;
 	}
 
-- 
2.40.0