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@Sorumi
Sorumi / TransparentBackgroundScreenshotRecorder.cs
Last active April 12, 2024 07:38 — forked from bitbutter/TransparentBackgroundScreenshotRecorder.cs
Rendering screenshots from Unity3d with transparent backgrounds
using UnityEngine;
using System.Collections;
using System.IO;
/*
Usage:
1. Create a camera for rendering texture.
2. Create a RenderTexture object and set it as targetTexture on renderer camera.
1. Attach this script to the renderer camera's game object.
@marchinram
marchinram / UIImage+PixelColor.swift
Last active January 19, 2022 08:53
iOS Swift UIImage subscript extension to get pixel color
import UIKit
extension UIImage {
subscript (x: Int, y: Int) -> UIColor? {
guard x >= 0 && x < Int(size.width) && y >= 0 && y < Int(size.height),
let cgImage = cgImage,
let provider = cgImage.dataProvider,
let providerData = provider.data,
let data = CFDataGetBytePtr(providerData) else {
return nil
@sketchytech
sketchytech / gist:a4e615c8c895c6500cf4
Last active June 27, 2021 11:59
Capture Still Images from Video and add to a View: Swift 2
// MARK: THANKS TO: http://stackoverflow.com/questions/4294996/get-uiimage-from-the-calayer-attached-to-avplayer-extract-frame-from-video-play
func finshedCapture(im:CGImage?, view:UIView, error:NSError?) {
if let img = im {
print("OK")
addImageViewWithImage(img, toView: view)
}
else {
print("Fail")
}
}
@watr
watr / UIImage+BezierPath.h
Created April 23, 2014 01:07
Convenient category to create UIImage from UIBezierPath
#import <UIKit/UIKit.h>
@interface UIImage (BezierPath)
+ (UIImage *)imageWithBezierPathFill:(UIBezierPath *)bezierPath;
+ (UIImage *)imageWithBezierPathStroke:(UIBezierPath *)bezierPath;
@end
@rizo
rizo / plist-util.md
Last active March 7, 2026 18:03
Convert new plist files between XML and binary

Apple has introduced a new .plist file format in 10.4. You'll notice that you can no longer just edit a .plist file in TextEdit or other text editors. The reason for this is that the files are now binary rather than raw XML.

Luckily for us, there is a command line utility called plutil that can convert back and forth between the two formats. You can convert the .plist file you want to edit to XML format, edit it in TextEdit, then convert back to binary for use. To convert a binary .plist file to XML format for editing, type this in the Terminal:

plutil -convert xml1 some_file.plist

To convert an XML .plist file to binary for use:

plutil -convert binary1 some_other_file.plist
@mayoff
mayoff / makeAnimatedGif.m
Created February 16, 2013 23:00
Example of creating an animated GIF on iOS, with no 3rd-party code required. This should also be easy to port to OS X.
#import <UIKit/UIKit.h>
#import <ImageIO/ImageIO.h>
#import <MobileCoreServices/MobileCoreServices.h>
static UIImage *frameImage(CGSize size, CGFloat radians) {
UIGraphicsBeginImageContextWithOptions(size, YES, 1); {
[[UIColor whiteColor] setFill];
UIRectFill(CGRectInfinite);
CGContextRef gc = UIGraphicsGetCurrentContext();
CGContextTranslateCTM(gc, size.width / 2, size.height / 2);
@mayoff
mayoff / curveArea.m
Created January 11, 2013 22:30
Compute the area of a closed curve by counting pixels. http://stackoverflow.com/questions/14220719/ios-how-to-calculate-number-of-pixels-area-enclosed-by-a-curve
static CGPathRef createClosedPathWithPoints(const CGPoint *points, size_t count) {
CGMutablePathRef path = CGPathCreateMutable();
CGPathAddLines(path, NULL, points, count);
CGPathCloseSubpath(path);
return path;
}
static CGRect integralFrameForPath(CGPathRef path) {
CGRect frame = CGPathGetBoundingBox(path);
return CGRectIntegral(frame);
@spinogrizz
spinogrizz / UIImage+Trim.m
Created August 31, 2012 07:37
Trim transparent pixels around UIImage
- (UIImage *) imageByTrimmingTransparentPixels {
int rows = self.size.height;
int cols = self.size.width;
int bytesPerRow = cols*sizeof(uint8_t);
if ( rows < 2 || cols < 2 ) {
return self;
}
//allocate array to hold alpha channel
@PaulSolt
PaulSolt / ImageHelper.h
Created December 13, 2010 15:54
A simple UIImage to RGBA8 conversion function
/*
* The MIT License
*
* Copyright (c) 2011 Paul Solt, PaulSolt@gmail.com
*
* https://github.com/PaulSolt/UIImage-Conversion/blob/master/MITLicense.txt
*
*/
#import <Foundation/Foundation.h>