Function blt [src]

Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.

Prototype

 pub fn blt( self: *GraphicsOutput, blt_buffer: ?[*]BltPixel, blt_operation: BltOperation, source_x: usize, source_y: usize, destination_x: usize, destination_y: usize, width: usize, height: usize, delta: usize, ) BltError!void

Parameters

self: *GraphicsOutputblt_buffer: ?[*]BltPixelblt_operation: BltOperationsource_x: usizesource_y: usizedestination_x: usizedestination_y: usizewidth: usizeheight: usizedelta: usize

Possible Errors

DeviceError

InvalidParameter

Unexpected UnexpectedError

Source

  pub fn blt(
    self: *GraphicsOutput,
    blt_buffer: ?[*]BltPixel,
    blt_operation: BltOperation,
    source_x: usize,
    source_y: usize,
    destination_x: usize,
    destination_y: usize,
    width: usize,
    height: usize,
    delta: usize,
) BltError!void {
    switch (self._blt(
        self,
        blt_buffer,
        blt_operation,
        source_x,
        source_y,
        destination_x,
        destination_y,
        width,
        height,
        delta,
    )) {
        .success => {},
        .device_error => return Error.DeviceError,
        .invalid_parameter => return Error.InvalidParameter,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  