I am using wxwidget on my Mac OSX and just cant make my app access my resources directoy within my app bundle.
I have a file name image.bmp in my resources folder and accessing it through :
m_bitmap1 = new wxStaticBitmap( this, wxID_ANY, wxBitmap( wxT("Resources/image.bmp"), wxBITMAP_TYPE_ANY ), wxDefaultPosition, wxDefaultSize, 0 );
my app yell : "File not found error" on that file. I also tried ./Resource, or just image.bmp but nothing seems to work.
Looking into the app file I can see the file in there. but for some strange reason it seems to ignore it.
Any idea ?
By default wxOSX will only load PNG and JPEG bitmaps from the resources, so I advise you to convert your bitmap to PNG and use wxBITMAP_TYPE_PNG_RESOURCE in the ctor. You also need to remove the explicit "Resources/" as the path is looked up under this directory of your bundle automatically. I.e. the recommended solution is to use wxBitmap("image.png", wxBITMAP_TYPE_PNG_RESOURCE).
Notice that this works under Windows too, provided you embed your PNG into the resources using RCDATA type as explained in wxBITMAP_PNG() documentation. For the other platforms you would need to embed it directly into the program code, this is also explained in the same link.
Otherwise, i.e. if you really want to use BMP, you need to use wxStandardPaths::GetResourcesDir() to construct the full path to your bitmap explicitly.
Related
We have a Cocoa Mac OS X application in which we want to bundle around 500 images. Each image is around 10kb so size isn't a problem.
These images are not exactly resources in the app, they are sample images.
Basically, we have simple button that would let the user copy these images to a directory.
The solution also needs to be "dump in, dump out" -- so we don't want to store individual image file names somewhere in our application; we just want to have a directory of images that can be copied.
How do I package these into my application?
The question turns into: How do I make a directory resource containing the images.
In our case everything gets flattened into the MyApp.app/Contents/Resources and this approach would require us to put image names in the app so that we can copy those.
Put the images into a folder. Drag the folder into your project in Xcode. In the resulting dialog, make sure you copy, make sure you create a folder reference, and make sure you add to your app target. Done. Now the folder is part of your app bundle and you can refer to it from your code without knowing anything about its contents.
The folder /Library/Application Support is for support files that, if deleted, would not affect the execution of an application. I would suggest this is ideal for your product's sample images.
As Apple's documentation states for Application Support:
Use this directory to store all app data files except those associated with the user’s documents. For example, you might use this directory to store app-created data files, configuration files, templates, or other fixed or modifiable resources that are managed by the app. An app might use this directory to store a modifiable copy of resources contained initially in the app’s bundle.
So, use pkgbuild / productbuild to install them to /Library/Application Support/<ProductName>/
Because size is not an issue, you can just put all your sample images in separate Asset Catalog file.
my question is quite simple.
I have a Qt application with a Gui developed with QML.
My back-end side generates and saves jpg images in a folder called /images .
I am able to send from C++ to QML the strings holding the name of the images that I want to show. Sadly my QML Image object doesn't display anything.
It seems that if an image can be displayed only if it has been previously declared in the qml.qrc file.
Sadly, again, qrc files do not support wildcards yet!
https://bugreports.qt.io/browse/QTBUG-1400
Is there a workaround?
The name of the images are not fixed, they are generated with certain runtime values i.e. timestamp.
Thank you
By default it will search the image source in the qrc file. To make it go to the actual file system, prepend a file:/// to the path.
I'm working with an existing ActiveX control, we have a NPAPI for it, and it works well for the most part in FireFox.
It supports viewing image types, one type, TIFF works well but for some reason JPG doesn't.
So I simplified MIMEType in my .rc file to be simply "image/tiff". That works well, I can drag a *.tif file into FireFox and the plugin loads.
However when I my MIMEType is defined as simply "image/jpeg", it doesn't work for *.jpg files and FF just natively displays the JPG instead of letting my plugin do it. I tried "image/jpe" and that works for *.jpe files. I also tried "image/jpg", but no luck. Is JPG a special case for NPAPI?
Additionally, I can get my plugin to load for *.jp2 files when I specify "image/jp2". I don't seem to have any other plugin installed that would be loading the JPG instead. In fact, plugin-container.exe doesn't even load when FireFox displays the JPG so that makes me think it has something to do with FF's native display overriding my plugin.
For supported (built-in) image types, plugins are not considered (i don't think any browser does that).
TIFF is not a supported image type for Firefox, hence plugins are used if they handle that mimetype/extension.
Note: When handling image mimetypes you are prone to colliding with other plugins (Quicktime specifically) - there are no real guarantees on which plugin will be used if more than one supports a specific mimetype or extension.
It wouldn't surprise me at all if Firefox is overriding your plugin; the last thing they want is for a plugin to be able to take over viewing basic filetypes. I'm kinda surprised overriding tiff worked, to be honest.
I'm using Adobe AIR to make APK file for my Android phone. Inside the APK package there is a SWF file and in the same folder as the SWF file there is a subfolder named "images", which contains image.jpg.
I'm trying to read that image.jpg into the program at runtime but can't get the location of it (the program doesn't seem to find it.
Here's what I'm trying:
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
loader.load(new URLRequest("images/image.jpg"));
while (bitmapData==null) {} //wait until loaded
return bitmapData;
The onComplete-function puts sets the bitmapData field. However, the COMPLETE event never happens so the while loop never exists.
I have also tried:
loader.load(new URLRequest("/images/image.jpg"));
loader.load(new URLRequest("app:/images/image.jpg"));
loader.load(new URLRequest("app-storage:/images/image.jpg"));
loader.load(new URLRequest("file:/images/image.jpg"));
None of it works.
I can't get this to work even when trying without the APK file, when only running the SWF file that is generated (the images subfolder is in the same folder as the SWF file).
I can't embed the JPG into the SWF file itself because I need to have a lot of image files and Flash CS6 runs out of memory when making such a big SWF file (reading the images externally would also mean a whole lot less compilation time).
Any ideas? How can I get put the external JPG file into BitmapData? Remember that the image is not outside of the APK file, it is packaged inside it.
Note: I'll also export the thing into a iOS ipa package later so it have to work there as well.
Edit because I can't self-answer due to my reputation.
Strille made me realize that the ActionScript Virtual Machine is single-threaded.
So it's impossible to make a thread sleep (wait) for an image being loaded. Instead I have to sigh rewrite a lot of code so that things are halted and continues when the onComplete function is called.
This thing that I tried before actually works but couldn't complete due to the while loop:
loader.load(new URLRequest("app:/images/image.jpg"));
If I remember correctly, you should be able to do it like this:
loader.load(new URLRequest(new File("app:/images/image.jpg").url));
Since we're using the File class, the above will not run in the Flash Player, just on iOS or Android.
From my experience there are two practical methods to load assets from a running Android APP using AIR
using URLLoader and .url property of the File instance
using FileStream (which receives a File instance)
Adding to project
You can package the files inside the APK using
the same technique as packaging ICONS, inside the .xml descriptor file for your app.
And make sure you add those to your IDE in the Android section (applies to IntelliJ and Flash Builder) "Files and folders to package"
- add the path to your wanted assets folder, and give it a relative name alias.
Elaboration
The assets themselves are placed (when the APP is installed),
inside the ''applicationDirectory'' which is available for AIR,
Yet since newer Android OS's, and Flash player security issues,
it is not possible to access those assets via the nativePath,
only the 'url' property of the File instance.
Best Practice
Use URLLoader and .url property of the File instance,
as it is also Asynchronous by nature and can resolve PNG / JPG files
using native decoder instead of having to do this manually
reading a FileStream (which returns a a ByteArray)
var f:File = File.applicationDirectory.resolvePath('images/myimage.png');
loader.load(new URLRequest(f.url));
and,
If I'm missing more ways, please let know... )
I am currently writing an application working with specially prepared image data. Another tool prepares the images (basically PNGs with additional data stored in the meta-data section). Now my tool works with these files, but not with all PNGs, so "we" decided to use a different file extension. So far, so good.
Now, because I am a lazy sack I implemented some file type registration to allow double-clicking on the file and opening it in my application (no problem at all).
And here is my Question:
It would be cool if the windows explorer could still show me the thumbnail previews for my files. Since they basically are still PNG files, it should be possible without writing my own shell extension (at least I believe so).
I quickly tried to copy all registry keys and values from HKCR.png to HKCR.mInDat (my file name ext) and it worked. However, I would prefere knowning what I am doing ;-)
Which of the registry settings are responsible for the thumbnail preview control and which can I use to get the preview for my file types?
I tried to google it, but I failed, since it seems I am unable to come up with the right buzz-words to find the info I need. Please, help me.
Thank you!
Yours,
3of4
Simple:
[HKEY_CLASSES_ROOT\.apng]
#="apng"
"Content Type"="image/png"
"PerceivedType"="image"
[HKEY_CLASSES_ROOT\apng\shellex\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}]
#="{3F30C968-480A-4C6C-862D-EFC0897BB84B}"