/usr/src/castle-game-engine-5.2.0/base/android/castleandroidnativewindow.pas is in castle-game-engine-src 5.2.0-3.
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* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*)
{ @exclude Internal for the engine. }
unit CastleAndroidNativeWindow;
interface
uses ctypes, CastleAndroidRect;
(*
* Pixel formats that a window can use.
*)
const
WINDOW_FORMAT_RGBA_8888 = 1;
WINDOW_FORMAT_RGBX_8888 = 2;
WINDOW_FORMAT_RGB_565 = 4;
type
PANativeWindow = ^ANativeWindow;
ANativeWindow = record end;
PANativeWindow_Buffer = ^ANativeWindow_Buffer;
ANativeWindow_Buffer = packed record
// The number of pixels that are show horizontally.
width : cint32;
// The number of pixels that are shown vertically.
height : cint32;
// The number of *pixels* that a line in the buffer takes in
// memory. This may be >= width.
stride : cint32;
// The format of the buffer. One of WINDOW_FORMAT_*
format : cint32;
// The actual bits.
bits : Pointer;
// Do not touch.
reserved : array [0..5] of cuint32;
end;
(**
* Acquire a reference on the given ANativeWindow object. This prevents the object
* from being deleted until the reference is removed.
*)
procedure ANativeWindow_acquire(window: PANativeWindow); cdecl; external;
(**
* Remove a reference that was previously acquired with ANativeWindow_acquire().
*)
procedure ANativeWindow_release(window: PANativeWindow); cdecl; external;
(*
* Return the current width in pixels of the window surface. Returns a
* negative value on error.
*)
function ANativeWindow_getWidth(window: PANativeWindow): cint32; cdecl; external;
(*
* Return the current height in pixels of the window surface. Returns a
* negative value on error.
*)
function ANativeWindow_getHeight(window: PANativeWindow): cint32; cdecl; external;
(*
* Return the current pixel format of the window surface. Returns a
* negative value on error.
*)
function ANativeWindow_getFormat(window: PANativeWindow): cint32; cdecl; external;
(*
* Change the format and size of the window buffers.
*
* The width and height control the number of pixels in the buffers, not the
* dimensions of the window on screen. If these are different than the
* window's physical size, then it buffer will be scaled to match that size
* when compositing it to the screen.
*
* For all of these parameters, if 0 is supplied then the window's base
* value will come back in force.
*)
function ANativeWindow_setBuffersGeometry(window: PANativeWindow; width, height, format: cint32): cint32; cdecl; external;
(**
* Lock the window's next drawing surface for writing.
*)
function ANativeWindow_lock(window: PANativeWindow; outBuffer: PANativeWindow_Buffer; inOutDirtyBounds: PARect): cint32; cdecl; external;
(**
* Unlock the window's drawing surface after previously locking it,
* posting the new buffer to the display.
*)
function ANativeWindow_unlockAndPost(window: PANativeWindow): cint32; cdecl; external;
implementation
end.
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