From: Olaf Wintermann <olaf.wintermann@gmail.com>
Date: Mon, 7 Sep 2026 16:57:18 +0000 (+0200)
Subject: improve imageviewer
X-Git-Url: https://uap-core.de/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fmain;p=note.git

improve imageviewer
---

diff --git a/ui/gtk/image.c b/ui/gtk/image.c
index 0ed45c7..af5f45c 100644
--- a/ui/gtk/image.c
+++ b/ui/gtk/image.c
@@ -206,6 +206,8 @@ UIWIDGET ui_imageviewer_create(UiObject *obj, UiImageViewerArgs *args) {
 
 static void imageviewer_reset(UiImageViewer *imgviewer) {
     imgviewer->isautoscaled = FALSE;
+    imgviewer->autoscaled_for_width = 0;
+    imgviewer->autoscaled_for_height = 0;
     imgviewer->transx = 0;
     imgviewer->transy;
     imgviewer->begin_transx = 0;
@@ -300,7 +302,10 @@ void ui_cairo_draw_image(UiImageViewer *imgviewer, cairo_t *cr, int width, int h
     // if autoscale is enabled, scale the image to fill available space
     // if useradjustable is also enabled, the autoscaling is only done once
     if(imgviewer->autoscale && imgviewer->scale != 0) {
-        if(!imgviewer->isautoscaled) {
+        if(!imgviewer->isautoscaled || 
+           width != imgviewer->autoscaled_for_width || 
+           height != imgviewer->autoscaled_for_height)
+        {
             scale = dwidth / dpixwidth;
             if(dpixheight * scale > dheight) {
                 scale = dheight / dpixheight;
diff --git a/ui/gtk/image.h b/ui/gtk/image.h
index 0721032..a95efed 100644
--- a/ui/gtk/image.h
+++ b/ui/gtk/image.h
@@ -57,6 +57,8 @@ typedef struct UiImageViewer {
     UiBool isautoscaled;
     double user_scale;
     double scale;
+    int autoscaled_for_width;
+    int autoscaled_for_height;
     
     ui_callback onbuttonpress;
     void *onbuttonpressdata;