Loads an image from a BITMAP resource.C++ Copy void LoadFromResource( HINSTANCE hInstance, LPCTSTR pszResourceName) throw(); void LoadFromResource( HINSTANCE hInstance, UINT nIDResource) throw(); ParametershInstance Handle to an instance of the module that contains the image to be loaded.psz...
You can use third party tools to generate icon files and bitmaps that contain an alpha channel. If you useLoadImageto load a 32 bpp bitmap that contains alpha, you need to specify the LR_CREATEDIBSECTION flag. Feedback Was this page helpful?
If the encoded image is incomplete or contains an error, or if an Exception occurs during decoding, a DecodeException DecodeException will be thrown. In some cases, the ImageDecoder may have decoded part of the image. In order to display the partial image, an OnPartialImageListener OnPartial...
PNG images that contain grayscale or color data that has been sampled at a rate between 8 and 16 bits per sample may also contain an alpha channel(also called an alpha mask), which is an additional 8 to 16 bits (depending on the image color depth) that represents the transparency level...
When you use a component as an item renderer, thedataproperty contains the data to display. You can listen for this event and update the component when thedataproperty changes. TheFlexEvent.DATA_CHANGEconstant defines the value of thetypeproperty of the event object for adataChangeevent. ...
If A contains indexed image data, you should additionally specify the map input argument. example imwrite(A,map,filename) writes the indexed image in A and its associated colormap map to the file specified by filename. If A is an indexed image of data type double or single, then imwrite...
Blur an image with a 2D kernel A box blur kernel returns the average value of the neighboring pixels. In the following example, the kernel contains nine values and the result is the sum of 1 divided by 9 multiplied by each of the pixel values: Note that the sum of the values in the...
Examining an Image varisMask:Bool Returns whether a bitmap image is an image mask. varwidth:Int Returns the width of a bitmap image, in pixels. varheight:Int Returns the height of a bitmap image. varbitsPerComponent:Int Returns the number of bits allocated for a single color component of...
The following code sample demonstrates most of the above mentioned features by interactively applying various transformations to an image. The file04_params.asp/aspxcontains a form with checkboxes and radio buttons controlling the visual appearance of the image. This file invokes the script04_process....
Simply to make things one step more confusing, some image files (notably, like PNG) contain more image information in an extra channel. This channel is essentially no different than an RGB or CMYK channel, with 256 shades of gray representing the image areas. However, Alpha channels have on...