Get image color

Get image color

How to get image color in iPhone SDK application?

View Answers

February 15, 2012 at 12:03 PM

- (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size {
  //Context
  UIGraphicsBeginImageContext(size);
  CGContextRef currentContext = UIGraphicsGetCurrentContext();

  //size
  CGRect fillRect = CGRectMake(0,0,size.width,size.height);

  / color
  CGContextSetFillColorWithColor(currentContext, color.CGColor);

  //color
  CGContextFillRect(currentContext, fillRect);

  //Sclose the context
  UIImage *retval = UIGraphicsGetImageFromCurrentImageContext(void);
  UIGraphicsEndImageContext();

  return retval;
}









Related Tutorials/Questions & Answers:
Get image color
Get image color  How to get image color in iPhone SDK application
Get the color values as a matrix of color image
Get the color values as a matrix of color image  I am new to java and image processing, i want to get the color values as a matrix from the color image for giving input to the compression algorithm by using java. plz provide
Advertisements
PHP GD image negative Color
= imagecolorat($image, $x, $y); $rgb = imagecolorsforindex($index); $color... <?php function negate($image) { if(function_exists('imagefilter')) { return imagefilter($image, IMG_FILTER_NEGATE); } for($x = 0; $x <
Storing the Color Image pixel values into 2d array
Storing the Color Image pixel values into 2d array  i want to store the color image pixel values into 2d array and agiain the array have to store into a text file using java... plz provide the code
which values we have to use for compressing any color image
which values we have to use for compressing any color image  Sir........... in the process of compressing of any color image, which values do use as input for comprseeing algorithm. and how to get the image matrix from color
Conversion from color to Gray Image - Java Beginners
Conversion from color to Gray Image  Hi... Sakthi here.. i am new to java. and i haven't try this so far How to convert the color image...... Thanks in advance ...  Hi Friend, You can convert the color image
Convert Black & White Image to Color Image
Convert Black & White Image to Color Image  ..._TO_REPLACE_3 Color Setting: Now you have a selected black and white image to add color. Go to image > Adjustment > Color Balance and set the color as given below
How to change the color of a base64-encoded png image JQuery?
How to change the color of a base64-encoded png image JQuery?  I am going to change the colors of the pixels of a png image(which is in base64 format.... the original image is shown, but the color does not change. Do you know why
Java program to get the color of pixel
for getting the pixel color of an image. To get the pixel color we need to first have an image and then we will be able to get the pixel color of any specific... Java program to get the color of pixel   
how to create menubar and the below background color/image in java swing
how to create menubar and the below background color/image in java swing  how to create menubar and the below background color/image in java swing
Get Image
Get Image       This Example shows you get the image. Description of the code.... Toolkit.getImage() : getImage method return a Image class object and this object get
image store and get it back
image store and get it back  store the image in the oracle using blob and get it back hi i am facing problem in the following code . this code can store the image in table but at time of reading it back it never shows me
Color Effect On Image
Color Effect On Image     ... Image. We are providing you an example, where an image shows different color effects... performs a pixel-to-pixel color conversion of the data in the source image
Jmagick get image size
Jmagick get image size  Hi, How I can get the image size while using... to get the image size when using Jmagick ImageInfo ii = new ImageInfo(path...); Thanks,   hi, the code given below may help you to get the image
Get Image Size Example
Get Image Size Example       This Example shows you get the image size.... Image.getWidth() : getwidth method is used for get the image width
get image height and width html
get image height and width html  How to get image height and width in html?    var img = new Image(); img.src = your_src img.width img.height
how to get the image of a selected JRadioButton to another panel?
how to get the image of a selected JRadioButton to another panel?  how to get the image of a selected JRadioButton to another panel
can u help me to get a calendar with color codes on days ???
can u help me to get a calendar with color codes on days ???  hi roseindia, Can you help me to get the code, I need a calendar with color codes.i,e Sunday,Saturday dates display in blue color and my calendar should takes
ModuleNotFoundError: No module named 'opsdroid-get-image-size'
ModuleNotFoundError: No module named 'opsdroid-get-image-size'  Hi...: No module named 'opsdroid-get-image-size' How to remove the ModuleNotFoundError: No module named 'opsdroid-get-image-size' error? Thanks   
PHP GD get image dimensions
will get the following output OUTPUT :image exists , here is some info width = 143..._TO_REPLACE_1 echo "image exists , here is some info<br>"; echo...;";ADS_TO_REPLACE_2 } else {ADS_TO_REPLACE_3 echo"image does
PHP GD Replace Color
;FCFF00"; $im = imagecreatefromJPEG($image);ADS_TO_REPLACE_3 $color... <?php $image = "images.jpg"; $data = getimagesize($image...,$cloneH, $oldhex) ) imagesetpixel($im, $x, $cloneH, $color); }ADS
How to get the value of <html:image></html:image> - Struts
How to get the value of   I am trying to submit the form through and trying to get the value of this button by String param... java.lang.NullPointerException Please help me how to get the value of this param into action
How can we get the properties (size, type, width, height) of an image using php image functions?
How can we get the properties (size, type, width, height) of an image using php image functions?  How can we get the properties (size, type, width, height) of an image using php image functions
how to get the image path when inserting the image into pdf file in jsp - JSP-Servlet
how to get the image path when inserting the image into pdf file in jsp  Hi Friend, my image path;C:/images/photo.jpg. i am getting the below error error: The type Image is ambiguous document.open(); Image
how to get the image path when inserting the image into pdf file in jsp - JSP-Servlet
how to get the image path when inserting the image into pdf file in jsp ...")); document.open(); Image image = Image.getInstance("C:/image2.png"); Image image1 = Image.getInstance("C:/node.jpg"); document.add(image); document.add
store the image in the oracle using blob and get it back - JDBC
store the image in the oracle using blob and get it back  hi i am facing problem in the following code . this code can store the image in table but at time of reading it back it never shows me the image ..so plz try this code
changing selection color of <button>
changing selection color of   dear all, i have loaded image in border less button tag when button is selected with tab key i get brown color rectangle around image. how do i change color of that rectangle from brown to white
store the image in the oracle using blob and get it back - JDBC
store the image in the oracle using blob and get it back  hi i am facing problem in the following code . this code can store the image in table but at time of reading it back it never shows me the image ..so plz try this code
Icon showing Color Gradient
Icon showing Color Gradient       This section illustrates you how the icon shows the Color Gradient. A color gradient consisting of two or more colors blending together
image
image  how to add the image in servlet code
PHP GD Colorization of image
'Image successfully shaded green.'; imagejpeg($im, 'images.jpg');ADS_TO_REPLACE_2....'; }ADS_TO_REPLACE_4 ?> After running the program you will get
Image
Image  how to insert image in xsl without using xml. the image was displayed in pdf..Please help me
Image
Image  how to insert image in xsl without using xml. the image was displayed in pdf..Please help me
Image
Image  how to insert image in xsl without using xml. the image was displayed in pdf..Please help me
image
image   Dear every body please help me how to add and retrive image and video into oracle 11g using jsp
color change
color change  how to change the color in circle using scrollbar
How to design a color tray
_TO_REPLACE_5 Your image should be similar.ADS_TO_REPLACE_6 Add Another Color... How to design a color tray       This is a design of the color tray which we used during
How to make an image full text.
How to make an image full text.       Feel relief from color text, it's not tuff to design an image full text because this tutorial has made it easy. It will provide another
color cycle
color cycle  how do you implement a program for color cycle that has a button such that when i press the button it brings a sequence for example green-red-grey-green e.t.c and should use the getter methods and set methods
How to design a changing color of the chameleon, changing color of the chameleon, color of the chameleon
: Now we have to change the color so go to Image menu >Adjustment > Hue...: Take a new layer, press Ctr + B or go to Image menu > Adjustment > Color... How to design a changing color of the chameleon  
How to color an object in the black white photograph, color an object in the black white photograph,
). ADS_TO_REPLACE_2 Color balance: Go to Image menu > Adjustment >Apply Color balance. Adjust levels: Go to Image menu > Adjustment >Apply... How to color an object in the black & white photograph
uitableviewcell selected color
uitableviewcell selected color  HI, How to add uitableviewcell selected color? Thanks   Hi, Here is the code: UIView *viewSelected... UITableViewCell background image also. Thanks
Photoshop eye color brown to blue
. Your image will be like this. Change color: Go to Image menu > Adjustment >... Photoshop eye color brown to blue       How to change the eye color from brown to blue If you want
image selection
image selection  hi my issue is : I have select dropdown list when I selected image it displays some default color having image I change the color... it redirect to error image page. can you tell how to solve this problem and where
UIWebView Background Color
UIWebView Background Color If you wanted to change the background color on UIWebView in iPhone SDK, then you required to set the background color of UIWebView using UIColor. UIColor object represents color and opacity (alpha value
change color according to the database value
change color according to the database value  any one know how to get values from database ( 1 or 0 ) and according to that change the color ( red or green) of given list
image processing - Java3D
, One way to convert a color image to gray scale, is to change the color space of the image. The sample code below shows how to change the color space...(bufferedImage, null); The easiest way to convert a color image to a gray
UITableView Background Color
UITableView Background Color To change the background color of UITableView...]; The above line will change the default background color into gray color. You can... changing the color of all the cells or table view background. But you can also draw
MKMapView Change Red Pin Color
MKMapView Change Red Pin Color  MKMapView Change Pin Color Hi, in my iphone map view application, i displayed the image on annotation instead of custom pin. But however on click it changes to red color pin. Can any one please
HTML color codes
HTML Color Codes In this tutorial we will show you how to get the different color codes for designing your HTML pages. You will be able to find the  hexadecimal color code by color name. We have also provided the tool to create

Ads