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2014/10/15 ¤U¤È 10:12:27
iphone Programming Glossary: paintHow to erase finger paint on Custom UIView in iPhone http://stackoverflow.com/questions/11132546/how-to-erase-finger-paint-on-custom-uiview-in-iphone to erase finger paint on Custom UIView in iPhone I have created a custom UIView without .xib for a finger paint application. Paint is working.. to erase finger paint on Custom UIView in iPhone I have created a custom UIView without .xib for a finger paint application. Paint is working fine with custom UIView but my problem is that when I try to erase the painted path I am getting.. a finger paint application. Paint is working fine with custom UIView but my problem is that when I try to erase the painted path I am getting Error Invalid context Below is my class .h file @interface draw2D UIView CGPoint previousPoint CGPoint..
color replacement in image for iphone application http://stackoverflow.com/questions/15082025/color-replacement-in-image-for-iphone-application replacement in image for iphone application Basically i want to implement color replacement feature for my paint application. Below are original and expected output Original After changing wall color selected by user along with some..
How to make a drawing program [closed] http://stackoverflow.com/questions/16417841/how-to-make-a-drawing-program answer here but just to be pointed in the right direction. Let's say i wanted to make a drawing program like microsoft paint or the app draw something how can i do this Do I basicly set colors on pixels and nearby pixels for thickness when I hover..
Implementing a gauge control with UIKit on the iPhone http://stackoverflow.com/questions/2220650/implementing-a-gauge-control-with-uikit-on-the-iphone I can actually get this to work. I tried around with two UIView subclasses but the view rendering the dial would just paint at some unexpected location on the screen and wouldn't be clipped by the parent view. I'm really just looking for general..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript on the screen. Mobile Safari is pretty slow and displaying big images so it needs time after the image has loaded to paint the screen. shrinkImages goes through all previously loaded images except the active one and changes the .src to the dataurl..
how to draw airbrush on UIImageView? http://stackoverflow.com/questions/3412526/how-to-draw-airbrush-on-uiimageview to draw airbrush on UIImageView I am a beginner working on paint application on iphone. adding new tool for my iphone App called airbrush... which will spray on UIImageView. can any one..
Undo drawing in Paint Application http://stackoverflow.com/questions/6689600/undo-drawing-in-paint-application drawing in Paint Application I am making a paint application using OpenGl framework and I'm stuck at UNDO REDO option.. The code I implemented is like this void undo_called..
How to draw signature with lines on iPhone screen? http://stackoverflow.com/questions/679983/how-to-draw-signature-with-lines-on-iphone-screen If I only use 'touchesMoved' method I can only get one touch point. iphone objective c opengl quartz graphics paint share improve this question As per the UIResponder Class Reference you will also need to implement touchesBegan withEvent..
Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES http://stackoverflow.com/questions/6980402/blur-effect-wet-in-wet-effect-in-paint-application-using-opengl-es am developing Paint application using OpenGL ES for iPhone and i want to implement Gaussian blur effect Wet in Wet for painting. Please have look at the image describing my requirement for Blur effect I tried to search how for OpenGL function but.. in this problem.. Any kind of help or suggestion will be highly appreciated.. Thanks.. iphone ios ipad opengl es paint share improve this question You should be able to render the same brush stroke many times pixels apart to get the effect..
How to write text on image in objective-c iPhone? http://stackoverflow.com/questions/6992830/how-to-write-text-on-image-in-objective-c-iphone img atPoint CGPointMake 0 0 Change the origin of the text inside the image from 0 0 to whatever point you like. To paint a rectangle of solid color behind the text add the following before the line UIColor whiteColor set UIColor brownColor set..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone in which to execute your drawing code Or is this method supposed to also redraw regions that are damaged and need repainting Can I just draw my stuff once and then it sticks or must I repaint the whole scene at any time via drawRect Java's Graphics2D.. also redraw regions that are damaged and need repainting Can I just draw my stuff once and then it sticks or must I repaint the whole scene at any time via drawRect Java's Graphics2D object works this way you must draw your whole image every time.. whole scene at any time via drawRect Java's Graphics2D object works this way you must draw your whole image every time paint is called so you must be prepared to re construct it at any time or cache it . How would you implement a simple drawing..
Overlay an image over another image in iOS http://stackoverflow.com/questions/7313023/overlay-an-image-over-another-image-in-ios image share improve this question If you are concerned with table scrolling performance retrieve the thumbnail and paint the play button over it. UIImage drawImage UIImage fgImage inImage UIImage bgImage atPoint CGPoint point UIGraphicsBeginImageContextWithOptions..
How to set this Layout in iPhone need Some help http://stackoverflow.com/questions/7411496/how-to-set-this-layout-in-iphone-need-some-help to set this Layout in iPhone need Some help I have Implement Some paint like application. For that the Layout is like as below Here there is One View and two buttons. In My application i am selecting.. View. But the Problem is while i am selecting the Colour and if i do the Paint on the View all works file but if that paint come over the Button1 it also paint on that button1. I want set as like that the selection colour Should not be paint on.. selecting the Colour and if i do the Paint on the View all works file but if that paint come over the Button1 it also paint on that button1. I want set as like that the selection colour Should not be paint on the Button1 and only paint on the View...
Is it possible to select the text rendered by Core Text in iPhone? http://stackoverflow.com/questions/7979592/is-it-possible-to-select-the-text-rendered-by-core-text-in-iphone screenshot. For that loupe I used the code shown in this post . Edit To draw the blue background selection you have to paint the rect using CGContextFillRect . Unfortunately there's no background color in NSAttributedString . share improve this..
Filling a portion of an image with color http://stackoverflow.com/questions/8124308/filling-a-portion-of-an-image-with-color a portion of an image with color I'm doing an IPhone painting app. I would like to paint a particular portion of an image using touchevent to find the pixel data and then use that.. a portion of an image with color I'm doing an IPhone painting app. I would like to paint a particular portion of an image using touchevent to find the pixel data and then use that pixel data to paint the remaining.. like to paint a particular portion of an image using touchevent to find the pixel data and then use that pixel data to paint the remaining part of the image. Using touchevent I got the pixel value for the portion void touchesBegan NSSet touches..
How to erase finger paint on Custom UIView in iPhone http://stackoverflow.com/questions/11132546/how-to-erase-finger-paint-on-custom-uiview-in-iphone finger paint on Custom UIView in iPhone I have created a custom UIView without .xib for a finger paint application. Paint is working fine with custom UIView but my problem is that when I try to erase the painted path I am getting Error Invalid.. UIEvent event UITouch touch touches anyObject NSLog @ Touch Began d touch tapCount if touch tapCount 1 NSLog @ Paint Start path CGPathCreateMutable previousPoint lastPoint self setNeedsDisplay self.backgroundColor UIColor clearColor void..
Improving Finger Painting Performance http://stackoverflow.com/questions/1355527/improving-finger-painting-performance Finger Painting Performance Simple Painting Fingering the iPhone screen paints temporary graphics to a UIView. These temporary graphics.. Finger Painting Performance Simple Painting Fingering the iPhone screen paints temporary graphics to a UIView. These temporary graphics are erased after a touch.. erased after a touch ends and are then stored into an underlying UIView. The process is simple 1 Touch Starts Moves 2 Paint Temporary Graphics on top UIView 3 Touch Ends 4 Pass Temporary Graphics To underlying UIView 5 Underlying UIView adds Temporary..
How to make a drawing program [closed] http://stackoverflow.com/questions/16417841/how-to-make-a-drawing-program Alexander iphone drawing share improve this question try this demo for your application http code4app.net ios Paint Pad 4fcf74876803faec66000000 https www.cocoacontrols.com controls smooth line view https www.cocoacontrols.com controls..
http://stackoverflow.com/questions/3841231/custom-progressbar-widget to physically draw the text strings in the right place. You can specify the style and color of the text using a Paint object Paint textPaint new Paint Paint.ANTI_ALIAS_FLAG textPaint.setColor r.getColor R.color.text_color textPaint.setFakeBoldText.. draw the text strings in the right place. You can specify the style and color of the text using a Paint object Paint textPaint new Paint Paint.ANTI_ALIAS_FLAG textPaint.setColor r.getColor R.color.text_color textPaint.setFakeBoldText true.. the text strings in the right place. You can specify the style and color of the text using a Paint object Paint textPaint new Paint Paint.ANTI_ALIAS_FLAG textPaint.setColor r.getColor R.color.text_color textPaint.setFakeBoldText true textPaint.setSubpixelText..
Undo drawing in Paint Application http://stackoverflow.com/questions/6689600/undo-drawing-in-paint-application drawing in Paint Application I am making a paint application using OpenGl framework and I'm stuck at UNDO REDO option.. The code I implemented.. am posting answer to my own Question as so many people seem to refer this question. There is an application named TouchPainter and its source code is available. It contains drawing color blending Undo Redo Amazing.. Save Open drawings.. Note It..
Blur Effect (Wet in Wet effect) in Paint Application Using OpenGL-ES http://stackoverflow.com/questions/6980402/blur-effect-wet-in-wet-effect-in-paint-application-using-opengl-es Effect Wet in Wet effect in Paint Application Using OpenGL ES I am developing Paint application using OpenGL ES for iPhone and i want to implement Gaussian.. Effect Wet in Wet effect in Paint Application Using OpenGL ES I am developing Paint application using OpenGL ES for iPhone and i want to implement Gaussian blur effect Wet in Wet for painting. Please have..
How to set this Layout in iPhone need Some help http://stackoverflow.com/questions/7411496/how-to-set-this-layout-in-iphone-need-some-help colour from Button2 and then doing drawing on View. But the Problem is while i am selecting the Colour and if i do the Paint on the View all works file but if that paint come over the Button1 it also paint on that button1. I want set as like that..
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