/* Copyright (c) 2009 The Khronos Group Inc.

 * Portions copyright (c) 2009-2010  Nokia Corporation and/or its subsidiary(-ies)

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and/or associated documentation files (the

 * "Materials"), to deal in the Materials without restriction, including

 * without limitation the rights to use, copy, modify, merge, publish,

 * distribute, sublicense, and/or sell copies of the Materials, and to

 * permit persons to whom the Materials are furnished to do so, subject to

 * the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Materials.

 *

 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

 */

#ifndef _owfscreen_h

#define _owfscreen_h

/*

 * owfscreen.h

 *

 * These functions connect composition/display to physical screen devices

 */

#include "owftypes.h"

#include "owfimage.h"

#include "owfextensions.h"

#ifdef __cplusplus

extern "C" {

#endif

#define OWF_INVALID_SCREEN_NUMBER   (0)

/*  

 * On-screen context size and color format

 * SEE: /graphics/graphicscomposition/graphicscompositionengine/openwfcmigraion/gceopenwfclayerimpl.h

 * */

#define OWF_SURFACE_WIDTH  (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */

#define OWF_SURFACE_HEIGHT (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */

#define OWF_SURFACE_PIXEL_FORMAT (OWF_IMAGE_XRGB8888)

#define OWF_SURFACE_LINEAR (OWF_FALSE)

#define OWF_SURFACE_ROWPADDING (4)

#define OWF_SURFACE_PREMULTIPLIED (OWF_FALSE)

typedef struct {

    OWFint width;

    OWFint height;

    OWFint stride;

} OWF_ORIENTATION_INFO;

typedef struct {

    OWFuint supportedRotations;

    OWF_ROTATION initialRotation;

    OWF_ROTATION currentRotation;

    OWF_PIXEL_FORMAT pixelFormat;

    OWF_ORIENTATION_INFO normal;

    OWF_ORIENTATION_INFO flipped;

} OWF_SCREEN;

/*!

 * \brief Get systems's default screen

 *

 * \return The screen number of systems default screen

 */

OWF_API_CALL OWFint

OWF_Screen_GetDefaultNumber();

/*!

 * \brief Get screen's dimensions

 *

 * \param dc display context

 * \param header returned screen attributes

 *

 * \return OWF_TRUE if screen exists

 * \return OWF_FALSE if screen does not exist

 */

OWF_API_CALL OWFboolean

OWF_Screen_GetHeader(OWF_DISPCTX dc, OWF_SCREEN* header);

/*!

 * \brief Validate a screen number

 *

 * \param screen screen number

 *

 * \return OWF_TRUE if screen exists

 * \return OWF_FALSE if screen does not exist

 */

OWF_API_CALL OWFboolean

OWF_Screen_Valid(OWFint screen);

/*!

 * \brief Checks if the screen rotation support is enabled

 *

 * \param dc display context

 *

 * \return OWF_TRUE if the screen rotation is enabled

 * \return OWF_FALSE if the screen rotation is enabled

 */

OWF_API_CALL OWFboolean

OWF_Screen_Rotation_Supported(OWF_DISPCTX dc);

/*!

 * \brief Create a new screen

 *

 * \param dc display context

 * \param screen screen number

 *

 * \return OWF_TRUE if screen exists

 * \return OWF_FALSE if screen does not exist

 */

OWF_API_CALL OWFboolean

OWF_Screen_Create(OWFint screen, OWF_DISPCTX dc);

/*!

 * \brief Destroy a screen

 *

 * \param dc display context

 *

 * \return OWF_TRUE if screen exists

 * \return OWF_FALSE if screen does not exist

 */

OWF_API_CALL void

OWF_Screen_Destroy(OWF_DISPCTX dc);

/*!

 * \brief Blit image to screen

 *

 * \param dc display context

 * \param dc stream the stream containing the buffer to be displayed

 * rotation the current context rotation

 *

 * \return OWF_TRUE if screen exists and blitting is  OK

 * \return OWF_FALSE if screen does not exist or blitting is not allowed.

 */

OWF_API_CALL OWFboolean

OWF_Screen_Post_Topmost_Layer(OWF_DISPCTX dc, OWFNativeStreamType stream, OWF_ROTATION rotation);

#ifdef __cplusplus

}

#endif

#endif