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/* Copyright (c) 2009 The Khronos Group Inc.
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* Portions copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and/or associated documentation files (the
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* "Materials"), to deal in the Materials without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Materials, and to
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* permit persons to whom the Materials are furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Materials.
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*
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* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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#ifndef _owfscreen_h
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#define _owfscreen_h
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/*
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* owfscreen.h
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*
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* These functions connect composition/display to physical screen devices
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*/
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#include "owftypes.h"
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#include "owfimage.h"
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#include "owfextensions.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define OWF_INVALID_SCREEN_NUMBER (0)
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/*
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* On-screen context size and color format
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* SEE: /graphics/graphicscomposition/graphicscompositionengine/openwfcmigraion/gceopenwfclayerimpl.h
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* */
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#define OWF_SURFACE_WIDTH (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */
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#define OWF_SURFACE_HEIGHT (768) /* needs to be > 640 + 2 to allow S60 nHD config to work */
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#define OWF_SURFACE_PIXEL_FORMAT (OWF_IMAGE_XRGB8888)
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#define OWF_SURFACE_LINEAR (OWF_FALSE)
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#define OWF_SURFACE_ROWPADDING (4)
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#define OWF_SURFACE_PREMULTIPLIED (OWF_FALSE)
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typedef struct {
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OWFint width;
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OWFint height;
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OWFint stride;
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} OWF_ORIENTATION_INFO;
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typedef struct {
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OWFuint supportedRotations;
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OWF_ROTATION initialRotation;
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OWF_ROTATION currentRotation;
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OWF_PIXEL_FORMAT pixelFormat;
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OWF_ORIENTATION_INFO normal;
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OWF_ORIENTATION_INFO flipped;
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} OWF_SCREEN;
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/*!
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* \brief Get systems's default screen
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*
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* \return The screen number of systems default screen
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*/
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OWF_API_CALL OWFint
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OWF_Screen_GetDefaultNumber();
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/*!
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* \brief Get screen's dimensions
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*
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* \param dc display context
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* \param header returned screen attributes
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*
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* \return OWF_TRUE if screen exists
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* \return OWF_FALSE if screen does not exist
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*/
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OWF_API_CALL OWFboolean
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OWF_Screen_GetHeader(OWF_DISPCTX dc, OWF_SCREEN* header);
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/*!
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* \brief Validate a screen number
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*
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* \param screen screen number
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*
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* \return OWF_TRUE if screen exists
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* \return OWF_FALSE if screen does not exist
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*/
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OWF_API_CALL OWFboolean
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OWF_Screen_Valid(OWFint screen);
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/*!
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* \brief Checks if the screen rotation support is enabled
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*
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* \param dc display context
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*
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* \return OWF_TRUE if the screen rotation is enabled
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* \return OWF_FALSE if the screen rotation is enabled
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*/
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OWF_API_CALL OWFboolean
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OWF_Screen_Rotation_Supported(OWF_DISPCTX dc);
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/*!
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* \brief Create a new screen
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*
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* \param dc display context
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* \param screen screen number
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*
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* \return OWF_TRUE if screen exists
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* \return OWF_FALSE if screen does not exist
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*/
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OWF_API_CALL OWFboolean
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OWF_Screen_Create(OWFint screen, OWF_DISPCTX dc);
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/*!
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* \brief Destroy a screen
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*
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* \param dc display context
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*
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* \return OWF_TRUE if screen exists
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* \return OWF_FALSE if screen does not exist
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*/
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OWF_API_CALL void
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OWF_Screen_Destroy(OWF_DISPCTX dc);
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/*!
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* \brief Blit image to screen
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*
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* \param dc display context
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* \param dc stream the stream containing the buffer to be displayed
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* rotation the current context rotation
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*
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* \return OWF_TRUE if screen exists and blitting is OK
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* \return OWF_FALSE if screen does not exist or blitting is not allowed.
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*/
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OWF_API_CALL OWFboolean
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OWF_Screen_Post_Topmost_Layer(OWF_DISPCTX dc, OWFNativeStreamType stream, OWF_ROTATION rotation);
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#ifdef __cplusplus
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}
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#endif
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#endif
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