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px4-firmware/nuttx/graphics/nxtk/nxtk_internal.h

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/****************************************************************************
* graphics/nxtk/nxtk_internal.h
*
* Copyright (C) 2008-2009, 2011-1021 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __GRAPHICS_NXTK_NXTK_INTERNAL_H
#define __GRAPHICS_NXTK_NXTK_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/nx/nxtk.h>
#include "nxbe.h"
#include "nxfe.h"
/****************************************************************************
* Pre-processor definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/* This is the internal representation of the framed window object */
struct nxtk_framedwindow_s
{
struct nxbe_window_s wnd; /* The raw NX window */
/* The toolbar region and callbacks */
nxgl_coord_t tbheight;
struct nxgl_rect_s tbrect;
FAR const struct nx_callback_s *tbcb;
FAR void *tbarg;
/* Window data region and callbacks */
struct nxgl_rect_s fwrect;
FAR const struct nx_callback_s *fwcb;
FAR void *fwarg;
};
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
# define EXTERN extern "C"
extern "C" {
#else
# define EXTERN extern
#endif
/* That is the callback for the framed window */
extern FAR const struct nx_callback_s g_nxtkcb;
/* Frame border colors */
extern nxgl_mxpixel_t g_bordercolor1[CONFIG_NX_NPLANES];
extern nxgl_mxpixel_t g_bordercolor2[CONFIG_NX_NPLANES];
extern nxgl_mxpixel_t g_bordercolor3[CONFIG_NX_NPLANES];
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: nxtk_setsubwindows
*
* Description:
* Give the window dimensions, border width, and toolbar height,
* calculate the new dimensions of the toolbar region and client window
* region
*
****************************************************************************/
EXTERN void nxtk_setsubwindows(FAR struct nxtk_framedwindow_s *fwnd);
/****************************************************************************
* Name: nxtk_subwindowclip
*
* Description:
* Clip the src rectangle so that it lies within the sub-window bounds
* then move the rectangle to that it is relative to the containing
* window.
*
* Input parameters:
* fwnd - The framed window to be used
* dest - The locaton to put the result
* src - The src rectangle in relative sub-window coordinates
* bounds - The subwindow bounds in absolute screen coordinates.
*
* Returned value:
* None
*
****************************************************************************/
EXTERN void nxtk_subwindowclip(FAR struct nxtk_framedwindow_s *fwnd,
FAR struct nxgl_rect_s *dest,
FAR const struct nxgl_rect_s *src,
FAR const struct nxgl_rect_s *bounds);
/****************************************************************************
* Name: nxtk_containerclip
*
* Description:
* We are given a 'src' rectangle in containing window, relative coordinates
* (i.e., (0,0) is the top left corner of the outer, containing window).
* This function will (1) clip that src rectangle so that it lies within
* the sub-window bounds, and then (2) move the rectangle to that it is
* relative to the sub-window (i.e., (0,0) is the top left corner of the
* sub-window).
*
* Input parameters:
* fwnd - The framed window to be used
* dest - The locaton to put the result
* src - The src rectangle in relative container-window coordinates
* bounds - The subwindow bounds in absolute screen coordinates.
*
* Returned value:
* None
*
****************************************************************************/
EXTERN void nxtk_containerclip(FAR struct nxtk_framedwindow_s *fwnd,
FAR struct nxgl_rect_s *dest,
FAR const struct nxgl_rect_s *src,
FAR const struct nxgl_rect_s *bounds);
/****************************************************************************
* Name: nxtk_subwindowmove
*
* Description:
* Perform common clipping operations in preparatons for calling nx_move()
*
* Input Parameters:
* fwnd - The framed window within which the move is to be done.
* This must have been previously created by nxtk_openwindow().
* destrect - The loccation to receive the clipped rectangle relative
* to containing window
* destoffset - The location to received the clipped offset.
* srcrect - Describes the rectangular region relative to the client
* sub-window to move relative to the sub-window
* srcoffset - The offset to move the region
* bounds - The subwindow bounds in absolute screen coordinates.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
EXTERN void nxtk_subwindowmove(FAR struct nxtk_framedwindow_s *fwnd,
FAR struct nxgl_rect_s *destrect,
FAR struct nxgl_point_s *destoffset,
FAR const struct nxgl_rect_s *srcrect,
FAR const struct nxgl_point_s *srcoffset,
FAR const struct nxgl_rect_s *bounds);
/****************************************************************************
* Name: nxtk_drawframe
*
* Description:
* Redraw the window frame.
*
* Input parameters:
* fwnd - the framed window whose frame needs to be re-drawn. This must
* have been previously created by nxtk_openwindow().
* bounds - Only draw the ports of the frame within this bounding box.
* (window relative coordinates).
*
* Returned value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
EXTERN int nxtk_drawframe(FAR struct nxtk_framedwindow_s *fwnd,
FAR const struct nxgl_rect_s *bounds);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __GRAPHICS_NXTK_NXTK_INTERNAL_H */
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