Yes, you can load it as IStream, then convert it to WIC, like in this sample I had posted with a GIF : How to define a GIF image in resource file?
How can I use resource file and embed a .jpg file to output executable?
thebluetropics
1,046
Reputation points
My purpose is to be able to embed a .jpg file into the program executable in Visual Studio 2022, then I can use it with Direct2D using WIC.
I have zero experience of using .rc file. But I have tried to work with resource files using Visual Studio's resource editor, or whatever that called.
I prefer to manual writing of .rc file instead using managed tools...
I have background.jpg in my project folder, will this code work?
resource.rc
BackgroundImage Image "background.jpg"
Edit: I got this: 
Windows development | Windows API - Win32
Developer technologies | C++
Developer technologies | C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other
A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.
Answer accepted by question author
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Castorix31 91,501 Reputation points2022-10-19T10:17:08.693+00:00 -
thebluetropics 1,046 Reputation points
2022-10-19T10:25:09.317+00:00 I got this:
With this simple
.rcfile:BackgroundImage Image "background.jpg"I have no idea why...
Edit: This works, when I add
.rcfile usingAdd Itemoption, but not manually added.rcfile? Am I missing something to set up for the.rcfile to be work? -
thebluetropics 1,046 Reputation points
2022-10-19T10:27:20.1+00:00 -
RLWA32 51,366 Reputation points2022-10-19T10:44:02.82+00:00 The compilation errors are probably caused by code you haven't shown us, not the content of the .rc file.
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thebluetropics 1,046 Reputation points
2022-10-19T10:44:37.32+00:00 I can't refer the
.jpgfile with relative path, how can I refer to.jpgfile inside the project folder using absolute path? -
Castorix31 91,501 Reputation points
2022-10-19T10:45:36.247+00:00 BackgroundImage should be defined in resource.h
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thebluetropics 1,046 Reputation points
2022-10-19T10:53:58.397+00:00 I have done it:
But still got this error:
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Castorix31 91,501 Reputation points
2022-10-19T10:54:26.023+00:00 In the MSDN sample, they define it like you : How to Load a Bitmap from a Resource (Windows Imaging Component)
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thebluetropics 1,046 Reputation points
2022-10-19T10:54:53.41+00:00 I don't touch any .cpp or .h file, just modifying some .rc file...
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thebluetropics 1,046 Reputation points
2022-10-19T11:04:03.443+00:00 Yes, but it throws me compiler error, even if I do follow the tutorial
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RLWA32 51,366 Reputation points
2022-10-19T11:04:22.747+00:00 A possible cause of the errors could be that you have mistakenly told Visual Studio that the resource file should be treated as a C/C++ source file. The property page for an .rc file should look like this-
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Castorix31 91,501 Reputation points
2022-10-19T11:21:07.143+00:00 You can see the comment from RLWA32 about the resource file.
I just re-tested with a Win32 blank app (with a button), a Butterfly.png file in the project directory and the generated line in the .rc :IDB_PNG1 PNG "Butterfly.png"and in resource.h
#define IDB_PNG1 129and it works fine...
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Tong Xu - MSFT 2,546 Reputation points Microsoft External Staff2022-10-20T02:41:29.013+00:00 Hi， @thebluetropics
It might be helpful to check the paths of the various components in the .rc file, changing them all to relative or absolute paths.
Open the .rc file with Notepad.Here's an example of one of my projects
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thebluetropics 1,046 Reputation points
2022-10-20T10:05:40.337+00:00 Hi, @Tong Xu - MSFT
Thank you for answering my question. However, it would be better if we can manually configure the resources instead letting Visual Studio handling all of them using managed toolset...
Any idea? -
Tong Xu - MSFT 2,546 Reputation points Microsoft External Staff
2022-10-21T03:04:51.643+00:00 It seems that it can't be achieved, image files always need to be put into a folder to store, Visual Studio needs to capture packets again, and automatic configuration of paths is difficult to achieve.
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