Instance Method

shouldDrawColor

Returns a Boolean value indicating whether the view is being drawn to an environment that supports color.

Declaration

- (BOOL)shouldDrawColor;

Return Value

YES if the view’s window supports color drawing or NO if it does not.

Discussion

A view object can base its drawing behavior on the return value of this method to improve its appearance in grayscale windows. This method might return NO when the view’s window does not store color information because the content is destined for a grayscale printer.

See Also

Deprecated Methods

- convertPointToBase:

Converts the point from the view’s coordinate system to the base coordinate system.

Deprecated
- convertPointFromBase:

Converts the point from the base coordinate system to the view’s coordinate system.

Deprecated
- convertSizeToBase:

Converts the size from the view’s coordinate system to the base coordinate system.

Deprecated
- convertSizeFromBase:

Converts the size from the base coordinate system to the view’s coordinate system.

Deprecated
- convertRectToBase:

Converts the rectangle from the view’s coordinate system to the base coordinate system.

Deprecated
- convertRectFromBase:

Converts the rectangle from the base coordinate system to the view’s coordinate system.

Deprecated
- performMnemonic:

Implemented by subclasses to respond to mnemonics.

Deprecated
- allocateGState

Causes the view to maintain a private graphics state object, which encapsulates all parameters of the graphics environment.

Deprecated
- gState

Returns the identifier for the view’s graphics state object, or 0 if the view doesn’t have a graphics state object.

Deprecated
- setUpGState

Overridden by subclasses to (re)initialize the view’s graphics state object.

Deprecated
- renewGState

Invalidates the view’s graphics state object, if it has one.

Deprecated
- releaseGState

Frees the view’s graphics state object, if it has one.

Deprecated
- dragImage:at:offset:event:pasteboard:source:slideBack:

Initiates a dragging operation from the view, allowing the user to drag arbitrary data with a specified icon into any application that has window or view objects that accept dragged data.

Deprecated