Dmitry Timoshkov : windowscodecs: Make JPEG decoder fallback to 96 dpi resolution for density_unit == 0 case .
Alexandre Julliard
julliard at winehq.org
Mon Mar 25 14:19:38 CDT 2013
Module: wine
Branch: master
Commit: fb87ee2464ea9904b8aa3f1bbdb52a94f610e492
URL: http://source.winehq.org/git/wine.git/?a=commit;h=fb87ee2464ea9904b8aa3f1bbdb52a94f610e492
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Mon Mar 18 14:22:13 2013 +0900
windowscodecs: Make JPEG decoder fallback to 96 dpi resolution for density_unit == 0 case.
---
dlls/windowscodecs/jpegformat.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/dlls/windowscodecs/jpegformat.c b/dlls/windowscodecs/jpegformat.c
index 6f2653d..c742f78 100644
--- a/dlls/windowscodecs/jpegformat.c
+++ b/dlls/windowscodecs/jpegformat.c
@@ -548,16 +548,23 @@ static HRESULT WINAPI JpegDecoder_Frame_GetResolution(IWICBitmapFrameDecode *ifa
EnterCriticalSection(&This->lock);
- if (This->cinfo.density_unit == 2) /* pixels per centimeter */
+ switch (This->cinfo.density_unit)
{
+ case 2: /* pixels per centimeter */
*pDpiX = This->cinfo.X_density * 2.54;
*pDpiY = This->cinfo.Y_density * 2.54;
- }
- else
- {
- /* 1 = pixels per inch, 0 = unknown */
+ break;
+
+ case 1: /* pixels per inch */
*pDpiX = This->cinfo.X_density;
*pDpiY = This->cinfo.Y_density;
+ break;
+
+ case 0: /* unknown */
+ default:
+ *pDpiX = 96.0;
+ *pDpiY = 96.0;
+ break;
}
LeaveCriticalSection(&This->lock);
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