crop

问题 Goal : How Crop a image after zooming. can i crop image after zooming at predefined coordinates like (10,10,320,312). my UIImageView has this size? I have a UIImageView in a UIScrollView and I can zoom my image. I wants after zooming when I press cropButton the image which is displaying in UIImage is cropped. I wants size of image equal to UIImageView size. thanks !! before zooming after zoom and crop my code is here. -(void)cropButtonClicked { //Calculate the required area from the

问题 I Have Two View controllers. First UIViewController contain one UIImage, when I click "crop" button, go to second view controller I pass the image by push view controller, here I'am cropping my UIImage. In second UIViewController after cropping my image, clicking "done" button, I need to pass the cropped image to first view. Problem is when I use pop-view controller, image is not passing. 回答1: Try like this. First view controller should have a property @property (assign)UIImage *croppedImage;

问题 I am dealing with manual image crop functionality. For this am drawing CAShapeLayer with four coordinates called topLeft, topRight, bottomRight and bottomLeft. User can pan the points and select the crop area. I am stuck at converting these points to Core image coordinates and further cropping with CIPerspectiveTransform. 回答1: Set image to imageView And masking imageView with shape layer. self.imageView = img imageView.layer.mask = shapeLayer // set here your shape layer Now your imageView

问题 I have an byte[] array of a greyvalue image dataIn with dimension width * height. Now, I want to crop the image by applying a translation (dx, dy) and cut-off the out-of-border regions, so that the dataOut has dimension (width-abs(dx))*(height-abs(dy)). In RenderScript I would use a 2-d uchar-Allocation both for the input and the output. In order to efficiently apply the crop operation, it was thinking of using the LaunchOptions with (for example) setX(dx,width) and setY(0, height-dy) and

问题 I want to change the cropper size of UIImagePickerView from (320*320) to (320 * 240) . I have searched it everywhere, but none them is working fine for me . I have used GKImagePicker https://github.com/gekitz/GKImagePicker But when i just drag its classes to my project . It gives me error . What to do ??? Any help much appreciated . Need to resize cropper like in image below 回答1: Those errors are fixed by importing UIKit/UIKit.h to GKImagePicker.h 来源： https://stackoverflow.com/questions

问题 I'm running a web application built on Seam. I would like to have an image upload + crop component.Preferably on client side, so the image uploaded to the server would be the result of the crop. I read this can be made with Flash 10. I was thinking flex is also a possibility. Does anyone has good hints to give me, what component to choose or what is the best way to connect the backing bean I have with the flash/flex? Thank you! 回答1: A search for Flash uploaders shows many: From the

问题 I've image has been crop. I want that image save to folder (sdcard)...I've already done crop image and show to imageview, but my problem is, I don't know how saving image crop to sdcard ? here is my code has success to crop an image.. Bundle extras = data.getExtras(); if (extras != null) { Bitmap photo = extras.getParcelable("data"); mImageView.setImageBitmap(photo); } where I can add the code to save an image that have been cropped? 回答1: Try out this way: Bundle m_extras = data.getExtras();

问题 I wanted to know if it was possible to crop a picture to any other shape not just square, rectangle or circle. Basically what I am looking for is that, the user can select a template of a png file (already present) and it cuts the picture in that shape. 回答1: Check out this code: public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final ImageView

问题 In my application requirement is select the image from gallery and then crop the selected image and set to the imageview. Below is my sample code for cropping the image. //call the standard crop action intent (the user device may not support it) Intent cropIntent = new Intent("com.android.camera.action.CROP"); cropIntent.setClassName("com.android.camera", "com.android.camera.CropImage"); //indicate image type and Uri cropIntent.setDataAndType(mImageCaptureUri, "image/*"); //set crop

问题 I followed this to use camera from web-view..with upload,,, So in that I am getting Default camera.. and I am capturing.. and Uploading... So I want to Crop them...and Upload.. with Max 2 Megapixel resolution not more than 2Mp... I followed this to use Crop... I it Possible to use both intents together in web-view... and resolution should be low.. I mean after capture it should show crop... option... and then upload,,, Can any one suggest me... 回答1: private void pickImage() { AlertDialog