CPalette Class
Encapsulates a Windows color palette.
class CPalette : public CGdiObject
Members
Public Constructors
Name |
Description |
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Constructs a CPalette object with no attached Windows palette. You must initialize the CPalette object with one of the initialization member functions before it can be used. |
Public Methods
Name |
Description |
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Replaces entries in the logical palette identified by the CPalette object. The application does not have to update its client area, because Windows maps the new entries into the system palette immediately. |
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Creates a halftone palette for the device context and attaches it to the CPalette object. |
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Creates a Windows color palette and attaches it to the CPalette object. |
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Returns a pointer to a CPalette object when given a handle to a Windows palette object. |
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Retrieves the number of palette entries in a logical palette. |
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Returns the index of the entry in the logical palette that most closely matches a color value. |
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Retrieves a range of palette entries in a logical palette. |
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Changes the size of the logical palette specified by the CPalette object to the specified number of entries. |
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Sets RGB color values and flags in a range of entries in a logical palette. |
Public Operators
Name |
Description |
|---|---|
Returns the HPALETTE attached to the CPalette. |
Remarks
A palette provides an interface between an application and a color output device (such as a display device). The interface allows the application to take full advantage of the color capabilities of the output device without severely interfering with the colors displayed by other applications. Windows uses the application's logical palette (a list of needed colors) and the system palette (which defines available colors) to determine the colors used.
A CPalette object provides member functions for manipulating the palette referred to by the object. Construct a CPalette object and use its member functions to create the actual palette, a graphics device interface (GDI) object, and to manipulate its entries and other properties.
For more information on using CPalette, see Graphic Objects.
Inheritance Hierarchy
CPalette
Requirements
Header: afxwin.h