Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Don't allow adding image to invalid wxImageList (generic)

Browse Source 
Native wxMSW implementation doesn't allow to do this.
This commit is contained in:
Artur Wieczorek
2021-04-04 21:07:15 +02:00
parent 4b7ca0b33d
commit f1c3ff4037
1 changed files with 10 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/generic/imaglist.cpp
View File

@@ -150,16 +150,14 @@ wxBitmap GetImageListBitmap(const wxBitmap& bitmap, bool useMask, const wxSize&
int wxGenericImageList::Add( const wxBitmap &bitmap )
{
// We use the scaled, i.e. logical, size here as image list images size is
// specified in logical pixels, just as window coordinates and sizes are.
const wxSize bitmapSize = bitmap.GetScaledSize();
// Cannot add image to invalid list
if ( m_size == wxSize(0, 0) )
return -1;
if ( m_images.empty() )
{
// This is the first time Add() is called and we hadn't had any fixed
// size: adopt the size of our first bitmap as image size.
m_size = bitmapSize;
// Save scale factor to check if all images have the same scaling
// This is the first time Add() is called so we should save
// scale factor to check if further images will have the same scaling
m_scaleFactor = bitmap.GetScaleFactor();
}
else if ( bitmap.GetScaleFactor() != m_scaleFactor )
@@ -168,6 +166,10 @@ int wxGenericImageList::Add( const wxBitmap &bitmap )
return -1;
}
// We use the scaled, i.e. logical, size here as image list images size is
// specified in logical pixels, just as window coordinates and sizes are.
const wxSize bitmapSize = bitmap.GetScaledSize();
// There is a special case: a bitmap may contain more than one image,
// in which case we're supposed to chop it in parts, just as Windows
// ImageList_Add() does.