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How can i add two uiimageview and save it to iphone photo gallery in iphone application development?

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问题 I am going straight to the point,my problem is, I have a uiview controller which is taking 3 buttons and a uiimage view.Now, When i am pressing first button i am taking image from iphone default photo gallery and placing on uiimageview. When i am pressing second button it will take another image from photo gallery and placing on previous image. Now when i will press third button those two image will add and make it one image and save in the photo album. i have done step 1 and step 2 but how

How can i add two uiimageview and save it to iphone photo gallery in iphone application development?

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How do I set the default 'save image as' name for an image generated in PHP?

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问题 I have a page in my site, displaying some images that are produced my PHP. When I right click on an image and click Save Image As I get as default name the name of the php file used for generating the image. This is for example the html for the image : <img src="picture_generator.php?image_id=5&extension=.png"> and the name I get is: picture_generator.php.png Is there a way to set this name to a default one? Thanks in advance 回答1: You can try to set the file name using the HTTP headers but

Is there any native functions in Linux that load and save images without using external libraries? [closed]

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问题 This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. Closed 6 years ago . In Windows LoadImage API loads image to the memory. FreeImage (http://freeimage.sourceforge.net) is a cross-platform library for loading and saving

Save scaled image to sdcard android

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问题 i've the following code, that scale the object. Now i want to save the scaled image to sdcard, please help me regarding that i've searched many but didn't find any public boolean onTouch(View v, MotionEvent event) { ImageView view = (ImageView) v; // Dump touch event to log dumpEvent(event); // Handle touch events here... switch (event.getAction() & MotionEvent.ACTION_MASK) { case MotionEvent.ACTION_DOWN: savedMatrix.set(matrix); start.set(event.getX(), event.getY()); Log.d(TAG, "mode=DRAG");

iOS 10 - Save pictures without internet - Swift 3.0 and Xcode 8.2

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问题 I'm making an application (with Xcode 8.2.1, iOS 10 and swift 3.0) where the user can make thermal photos and normal photos (RGB). Then he can upload them to Amazon s3. But what happens if the user does not have internet at the moment of uploading an image or several images? How do I solve that problem? I can only think of two solutions, with coredata or sqlite, which one do you advise me? On the other hand, as I detect that the phone has no Internet connection. 回答1: You can, alternatively,

Getting Black Image when saving a JavaFX snapshot

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问题 I have set up a background Task that waits several seconds after a given Panel/Chart become visible. That is performed by running a sleep on a background non-GUI thread and then upon waking up it runs a Platform.runLater to create the snapshot and image. Before the real 'action' for saving the image occurs we can see the window come up: While that image is rendering we have the background code that has been put to sleep by a Task . After 5000 millis that background task wakes up and launches

GIMP Python-fu exporting file only exports transparent layer

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问题 I am having issues saving images in python via GIMP. I can get the image and apply the effects I want, but when I go to save, it only saves one layer and not everything (NOTE: The background is transparent) and because the background is transparent, I cannot get it to save anything besides the transparent background. The code I am using is posted below: image_array = gimp.image_list() i=0 for image in image_array: img = image_array[i] layers = img.layers last_layer = len(layers)-1 try:

Android: how to take picture with camera and convert bitmap to byte array and save to sqlite db?

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问题 I'm still fairly new to android and still trying to figure out how to save an image to a SQLite DB. As is I am trying to call the camera with a button click event to take the photo and on the return trying to save it to a database as a blob. I understand that this may not be the best way, and with that being said I'm at a loss of how to do this. What I ultimaley need to do is to access the camera with my app, allow for it to take a photo, and to be able to save the photo in a data base. I've

Getting Black Image when saving a JavaFX snapshot

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I have set up a background Task that waits several seconds after a given Panel/Chart become visible. That is performed by running a sleep on a background non-GUI thread and then upon waking up it runs a Platform.runLater to create the snapshot and image. Before the real 'action' for saving the image occurs we can see the window come up: While that image is rendering we have the background code that has been put to sleep by a Task . After 5000 millis that background task wakes up and launches a Platform.runLater to save the scene/pane/chart to a file. Here is the snapshot and image code: All