When changing format, if viewer is not zoomed or panned then fit to f…

…ormat

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Bugs
 
-- Viewer is not refreshing when the reader's paths contain unicode characters https://github.com/MrKepzie/Natron/issues/1416
+- Windows: If Natron is not installed in Program Files using the installer, Fontconfig does not work properly thus the Text node will not work
 
 # History
 
@@ -13,6 +13,9 @@
 - PyPlug: fix a bug where removing a node inside a Group would break any expression on its siblings
 - Reader: fix a bug where copy/pasting a node would display a "Bad Image Format" error
 - The whole user interface now uses the same font, and dialogs were cleaned up to use standard buttons
+- Roto: fix a bug where the selected tool in the viewer would not refresh properly
+- Fix a bug where Natron would not work properly when installed in a directory containing unicode characters 
+- OpenEXR: fix a bug where auto-crop files would not have their origin placed correctly
 
 ### Plugins
 

Gui/ViewerGL.cpp

@@ -3052,9 +3052,13 @@ ViewerGL::setFormat(const std::string& formatName, const RectD& format, double p
     if ( !_imp->viewerTab->getGui() ) {
         return;
     }
-
-    _imp->displayTextures[textureIndex].format = format;
-    _imp->displayTextures[textureIndex].pixelAspectRatio = par;
+    if (_imp->displayTextures[textureIndex].format != format || _imp->displayTextures[textureIndex].pixelAspectRatio != par) {
+        _imp->displayTextures[textureIndex].format = format;
+        _imp->displayTextures[textureIndex].pixelAspectRatio = par;
+        if (!getZoomOrPannedSinceLastFit() && _imp->zoomCtx.screenWidth() != 0 && _imp->zoomCtx.screenHeight() != 0) {
+            fitImageToFormat();
+        }
+    }
 
     _imp->currentViewerInfo_resolutionOverlay[textureIndex] = QString::fromUtf8(formatName.c_str());
 }