Avoid error when image filename is empty

sdottaka · sdottaka · commit 053bf31b8323 · 2025-12-26T06:51:43.000+09:00
diff --git a/src/WinIMergeLib/ImgDiffBuffer.hpp b/src/WinIMergeLib/ImgDiffBuffer.hpp
@@ -1535,7 +1535,7 @@ class CImgDiffBuffer
 						if (m_imgConverter[i].load(m_filename[i].c_str()))
 							m_imgConverter[i].render(m_imgOrig[i], 0, m_vectorImageZoomRatio);
 					}
-					if (!m_imgConverter[i].isValid())
+					if (!m_imgConverter[i].isValid() && !m_filename[i].empty())
 					{
 						bSucceeded = false;
 						m_lastErrorCode = (errno != 0) ? errno : ENOTSUP;

Original file line number	Diff line number	Diff line change
`@@ -1535,7 +1535,7 @@ class CImgDiffBuffer`
`1535`	`1535`	`if (m_imgConverter[i].load(m_filename[i].c_str()))`
`1536`	`1536`	`m_imgConverter[i].render(m_imgOrig[i], 0, m_vectorImageZoomRatio);`
`1537`	`1537`	`}`
`1538`		`- if (!m_imgConverter[i].isValid())`
	`1538`	`+ if (!m_imgConverter[i].isValid() && !m_filename[i].empty())`
`1539`	`1539`	`{`
`1540`	`1540`	`bSucceeded = false;`
`1541`	`1541`	`m_lastErrorCode = (errno != 0) ? errno : ENOTSUP;`