incubator-nuttx/libs/libnx/nxtk/nxtk_drawframe.c

286 lines
8.3 KiB
C

/****************************************************************************
* libs/libnx/nxtk/nxtk_drawframe.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nxglib.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxtk.h>
#include "nxtk.h"
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxtk_drawframeside
****************************************************************************/
#if CONFIG_NXTK_BORDERWIDTH > 0
static void nxtk_drawframeside(FAR struct nxtk_framedwindow_s *fwnd,
FAR const struct nxgl_rect_s *side,
FAR const struct nxgl_rect_s *bounds,
nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
{
struct nxgl_rect_s intersection;
nxgl_rectintersect(&intersection, side, bounds);
if (!nxgl_nullrect(&intersection))
{
nx_fill((NXWINDOW)fwnd, &intersection, color);
}
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* 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 parts of the frame within this bounding box.
* (window relative coordinates).
*
* Returned Value:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
int nxtk_drawframe(FAR struct nxtk_framedwindow_s *fwnd,
FAR const struct nxgl_rect_s *bounds)
{
#if CONFIG_NXTK_BORDERWIDTH > 0
struct nxgl_rect_s frame;
#endif
struct nxgl_size_s wndsize;
struct nxgl_size_s tbsize;
#if CONFIG_NXTK_BORDERWIDTH > 0
nxgl_coord_t thickness;
#endif
/* Shiny edge:
* Thickness: 1
* Color: CONFIG_NXTK_BORDERCOLOR3;
* Condition: CONFIG_NXTK_BORDERWIDTH > 2
* Central part:
* Thickness: Varies with CONFIG_NXTK_BORDERWIDTH
* Color: CONFIG_NXTK_BORDERCOLOR1;
* Condition: CONFIG_NXTK_BORDERWIDTH > 0
* Shadow part:
* Thickness: 1;
* Color: CONFIG_NXTK_BORDERCOLOR2;
* Condition: CONFIG_NXTK_BORDERWIDTH > 1
*/
#if CONFIG_NXTK_BORDERWIDTH > 2
thickness = CONFIG_NXTK_BORDERWIDTH - 2;
#elif CONFIG_NXTK_BORDERWIDTH > 1
thickness = CONFIG_NXTK_BORDERWIDTH - 1;
#elif CONFIG_NXTK_BORDERWIDTH > 0
thickness = CONFIG_NXTK_BORDERWIDTH;
#endif
/* Get the size of the rectangle */
nxgl_rectsize(&wndsize, &fwnd->wnd.bounds);
nxgl_rectsize(&tbsize, &fwnd->tbrect);
/* Draw the top ***********************************************************/
#if CONFIG_NXTK_BORDERWIDTH > 0
frame.pt1.x = 0;
frame.pt2.x = wndsize.w - 1;
frame.pt1.y = 0;
/* Draw the shiny edge */
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt2.y = 0;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor3);
frame.pt1.y = 1;
#endif
/* Draw the central part */
frame.pt2.y = frame.pt1.y + thickness - 1;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
/* Draw a single line under the toolbar, color CONFIG_NXTK_BORDERCOLOR2 */
#if CONFIG_NXTK_BORDERWIDTH > 1
frame.pt1.y += tbsize.h + thickness;
frame.pt2.y = frame.pt1.y;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor2);
#endif
/* Draw the bottom ********************************************************/
#if CONFIG_NXTK_BORDERWIDTH > 0
frame.pt1.y = wndsize.h - CONFIG_NXTK_BORDERWIDTH;
/* Draw the shiny edge */
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt2.y = frame.pt1.y;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor3);
frame.pt1.y ++;
#endif
/* Draw the central part */
frame.pt2.y = frame.pt1.y + thickness - 1;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
/* Then a single line at the very bottom, Color: CONFIG_NXTK_BORDERCOLOR2 */
#if CONFIG_NXTK_BORDERWIDTH > 1
frame.pt1.y = wndsize.h - 1;
frame.pt2.y = frame.pt1.y;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor2);
#endif
#endif
/* Draw left and right outer edges ****************************************/
/* Draw the shiny left out edge */
#if CONFIG_NXTK_BORDERWIDTH > 1
frame.pt1.x = 0;
frame.pt1.y = 1;
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt2.x = frame.pt1.x;
frame.pt2.y = wndsize.h - 2;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor3);
#endif
/* Draw the shadowed right outer edge */
frame.pt1.x = wndsize.w - 1;
frame.pt2.x = frame.pt1.x;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor2);
#endif
/* Draw left and right central regions ************************************/
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = 1;
frame.pt1.y = 1;
frame.pt2.x = frame.pt1.x + thickness - 1;
frame.pt2.y = wndsize.h - 2;
#else
frame.pt1.x = 0;
frame.pt1.y = 0;
frame.pt2.x = frame.pt1.x + thickness - 1;
frame.pt2.y = wndsize.h - 1;
#endif
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = wndsize.w - thickness - 1;
frame.pt2.x = wndsize.w - 2;
#else
frame.pt1.x = wndsize.w - thickness;
frame.pt2.x = wndsize.w - 1;
#endif
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
#endif
/* Draw left and right inner sides ****************************************/
/* This segment stops at the bottom of the toolbar. If there is a
* tool bar, then we have to continue this to the top of the display
* using g_bordercolor1 (see below)
*/
/* Draw the shadowed left inner edge */
#if CONFIG_NXTK_BORDERWIDTH > 1
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = thickness + 1;
frame.pt1.y = tbsize.h + thickness + 1;
frame.pt2.x = frame.pt1.x;
frame.pt2.y = wndsize.h - thickness - 2;
#else
frame.pt1.x = thickness;
frame.pt1.y = tbsize.h + thickness;
frame.pt2.x = frame.pt1.x;
frame.pt2.y = wndsize.h - thickness - 1;
#endif
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor2);
/* Draw the shiny right inner edge */
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = wndsize.w - thickness - 2;
frame.pt2.x = frame.pt1.x;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor3);
#endif
#endif
/* Fix up the little line-seqments at the top inner edges that need to
* match the color of the toolbar.
*/
#if CONFIG_NXTK_BORDERWIDTH > 1
if (tbsize.h > 0)
{
/* Draw the right side */
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = thickness + 1;
frame.pt1.y = 1;
frame.pt2.x = frame.pt1.x;
frame.pt2.y = tbsize.h + thickness;
#else
frame.pt1.x = thickness;
frame.pt1.y = 0;
frame.pt2.x = frame.pt1.x;
frame.pt2.y = tbsize.h + thickness - 1;
#endif
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
/* Draw the left size */
#if CONFIG_NXTK_BORDERWIDTH > 2
frame.pt1.x = wndsize.w - thickness - 2;
frame.pt2.x = frame.pt1.x;
nxtk_drawframeside(fwnd, &frame, bounds, g_bordercolor1);
#endif
}
#endif
return OK;
}