CDrawingManager Class

The CDrawingManager class implements complex drawing algorithms.

class CDrawingManager : public CObject

Members

Public Constructors

Name	Description
CDrawingManager::CDrawingManager	Constructs a CDrawingManager object.
CDrawingManager::~CDrawingManager	Destructor.

Public Methods

Name	Description
CDrawingManager::CreateBitmap_32	Creates a 32-bit device-independent bitmap (DIB) that applications can write to directly.
CDrawingManager::DrawAlpha	Displays bitmaps that have transparent or semitransparent pixels.
CDrawingManager::DrawEllipse	Draws an ellipse with the supplied fill and border colors.
CDrawingManager::DrawGradientRing	Draws a ring and fills it with a color gradient.
CDrawingManager::DrawLine, CDrawingManager::DrawLineA	Draws a line.
CDrawingManager::DrawRect	Draws a rectangle with the supplied fill and border colors.
CDrawingManager::DrawShadow	Draws a shadow for a rectangular area.
CDrawingManager::Fill4ColorsGradient	Fills a rectangular area with two color gradients.
CDrawingManager::FillGradient	Fills a rectangular area with a specified color gradient.
CDrawingManager::FillGradient2	Fills a rectangular area with a specified color gradient. The direction of the gradient's color change is also specified.
CDrawingManager::GrayRect	Fills a rectangle with a specified gray color.
CDrawingManager::HighlightRect	Highlights a rectangular area.
CDrawingManager::HLStoRGB_ONE	Converts a color from a HLS representation to a RGB representation.
CDrawingManager::HLStoRGB_TWO	Converts a color from a HLS representation to a RGB representation.
CDrawingManager::HSVtoRGB	Converts a color from a HSV representation to a RGB representation.
CDrawingManager::HuetoRGB	Helper method that converts a hue value to a red, green, or blue component.
CDrawingManager::MirrorRect	Flips a rectangular area.
CDrawingManager::PixelAlpha	Helper method that determines the final color for a semitransparent pixel.
CDrawingManager::PrepareShadowMask	Creates a bitmap that can be used as a shadow.
CDrawingManager::RGBtoHSL	Converts a color from a RGB representation to a HSL representation.
CDrawingManager::RGBtoHSV	Converts a color from a RGB representation to a HSV representation.
CDrawingManager::SetAlphaPixel	Helper method that colors a partially transparent pixel in a bitmap.
CDrawingManager::SetPixel	Helper method that changes a single pixel in a bitmap to the specified color.
CDrawingManager::SmartMixColors	Combines two colors based on a weighted ratio.

Remarks

The CDrawingManager class provides functions for drawing shadows, color gradients, and highlighted rectangles. It also performs alpha-blending. You can use this class to directly change your application's UI.

Inheritance Hierarchy

CObject

   CDrawingManager

Requirements

Header: afxdrawmanager.h

See Also

Concepts

MFC Hierarchy Chart

Other Resources

Classes (MFC Feature Pack)