Frees all resources owned by the object prior to its destruction.

Returns pointer to the location of first pixel in frame buffer. Not necessarily the same as pointer to frame buffer.

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

Changes the screen device.

WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases.

This function is used to request the current device orientation.

WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases.

This function is used to request the device orientations supported by the screen device.

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

Gets the device's current palette.

This function is only supported if the device has a modifiable palette, which can be determined by calling PaletteAttributes() .

Gets the RGB colour of an individual pixel on a bitmapped graphics device.

This implements the pure virtual function CBitmapDevice::GetPixel() .

Copies a scanline into a buffer.

This implements the pure virtual function CBitmapDevice::GetScanLine() .

WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases.

Get the surface identifier for the current device orientation of the screen. If screen device doesn't support providing a surface, the caller is panicked.

Creates and returns a hardware bitmap (a bitmap which can be drawn to by a graphics accelerator whose operations may be implemented in hardware or software), whose handle is to the screen.

This allows the caller to draw to the screen like any other hardware bitmap.

This function may not be supported on all hardware. If unsupported, it returns an RHardwareBitmap with a handle of zero.

The hardware bitmap can be used to draw directly to the screen. Use it to create a TAcceleratedBitmapSpec object, which can either be used to get a TAcceleratedBitmapInfo , or can be passed to a graphics operation (an instance of a class derived from class TGraphicsOperation ) e.g. a bitblt to copy one part of the screen to another.

Direct screen access must only be carried out in combination with the Window Server's direct screen access classes; i.e. only use the hardware bitmap on the CFbsScreenDevice which you get from CDirectScreenAccess, and not from your own CFbsScreenDevice .

TAcceleratedBitmapSpec TGraphicsOperation CGraphicsAccelerator::Operation() CDirectScreenAccess

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

Converts a horizontal dimension from pixels to twips.

This implements the pure virtual function MGraphicsDeviceMap::HorizontalPixelsToTwips() .

Converts a horizontal dimension from twips to pixels.

This implements the pure virtual function MGraphicsDeviceMap::HorizontalTwipsToPixels() .

Creates a new CFbsScreenDevice object.

Creates a new CFbsScreenDevice object.

Use two param version instead.

Creates a new CFbsScreenDevice object.

Gets the palette attributes of the device.

Query the screen number to which the object refers.

Sets or unsets auto-update for the screen.

WARNING: Function for internal use ONLY. Compatibility is not guaranteed in future releases.

This function selects the surface and device buffer to use in the screen driver for this screen. Normal and 180 rotations will generally use the same surface, while 90 and 270 will use another. The surfaces may have different width, height, stride and surface, so functions that make use of any of these may be affected after a change in surface orientation, and the return value should be checked for this reason.

This call does not change the way rendering is performed, but may operate on the underlying memory using a new shape. The call does not change the display controller s settings, as this is handled via the GCE. All this changes are the internal attributes of the screen device and driver objects. A CFbsBitGc object activated on the device should be reactivated, to update its own attributes, or drawing may be corrupted.

Note: while TDeviceOrientation values do not directly correspond to CFbsBitGc::TGraphicsOrientation values, and cannot be used interchangeably, it is simple to generate the former from the latter using the left-shift operator (i.e. device == (1 << graphics)). In particular a device orientation of 90 degrees clockwise is equivalent to a content orientation of 90 degrees anti- clockwise, which is what TGraphicsOrientation refers to for the equivalent setting. The letters "CW" in the TDeviceOrientation enumeration refer to a clockwise device rotation, so EDeviceOrientation90CW is a 90 degree clockwise rotation of the device.

Sets the device's palette to the specified palette.

Setting the palette is only possible if the device has a modifiable palette, which can be determined by calling PaletteAttributes() .

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

This method has been deprecated. Sprites are no longer supported in BitGDI. Calling this method has no effect.

Gets the size of the device area, in twips.

This implements the pure virtual function CGraphicsDevice::SizeInTwips() .

CGraphicsDevice::SizeInTwips()

Returns frame buffer line pitch or stride.

Forces any out of date region of the screen to update.

Forces any out of date region of the screen to update, and additionally forces the specified region to update.

Converts a vertical dimension from pixels to twips.

This implements the pure virtual function MGraphicsDeviceMap::VerticalPixelsToTwips() .

Converts a vertical dimension from twips to pixels.

This implements the pure virtual function MGraphicsDeviceMap::VerticalTwipsToPixels() .