/****************************************************************************
* NxWidgets/libnxwidgets/src/cnxwindow.cxx
*
* Copyright (C) 2012 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, NxWidgets, nor the names of its contributors
* me 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include "cwidgetcontrol.hxx"
#include "cnxwindow.hxx"
#include "cbitmap.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param hNxServer Handle to the NX server.
*/
CNxWindow::CNxWindow(NXHANDLE hNxServer, CWidgetControl *pWidgetControl)
: CCallback(pWidgetControl), m_hNxServer(hNxServer), m_hNxWindow(0),
m_widgetControl(pWidgetControl)
{
// Create the CGraphicsPort instance for this window
m_widgetControl->createGraphicsPort(static_cast<INxWindow*>(this));
}
/**
* Destructor.
*/
CNxWindow::~CNxWindow(void)
{
// Release the window. We do not release the widget control
// instance. The lifetime of that instance is owned by he-who-
// constructed-us.
(void)nx_closewindow(m_hNxWindow);
}
/**
* Creates a new window. Window creation is separate from
* object instantiation so that failures can be reported.
*
* @return True if the window was successfully opened.
*/
bool CNxWindow::open(void)
{
// Get the C-callable callback vtable
FAR struct nx_callback_s *vtable = getCallbackVTable();
// Create the window
m_hNxWindow = nx_openwindow(m_hNxServer, vtable,
(FAR void *)static_cast<CCallback*>(this));
return m_hNxWindow != NULL;
}
/**
* Each implementation of INxWindow must provide a method to recover
* the contained CWidgetControl instance.
*
* @return The contained CWidgetControl instance
*/
CWidgetControl *CNxWindow::getWidgetControl(void) const
{
return m_widgetControl;
}
/**
* Request the position and size information of the window. The values
* will be returned asynchronously through the client callback method.
* The GetPosition() method may than be called to obtain the positional
* data as provided by the callback.
*
* @return True on success, false on any failure.
*/
bool CNxWindow::requestPosition(void)
{
// Request the window position
return nx_getposition(m_hNxWindow) == OK;
}
/**
* Get the position of the window in the physical display coordinates
* (as reported by the NX callback).
*
* @return The position.
*/
bool CNxWindow::getPosition(FAR struct nxgl_point_s *pPos)
{
return m_widgetControl->getWindowPosition(pPos);
}
/**
* Get the size of the window (as reported by the NX callback).
*
* @return The size.
*/
bool CNxWindow::getSize(FAR struct nxgl_size_s *pSize)
{
return m_widgetControl->getWindowSize(pSize);
}
/**
* Set the position and size of the window.
*
* @param pPos The new position of the window.
* @return True on success, false on any failure.
*/
bool CNxWindow::setPosition(FAR const struct nxgl_point_s *pPos)
{
// Set the window size and position
return nx_setposition(m_hNxWindow, pPos) == OK;
}
/**
* Set the size of the selected window.
*
* @param pSize The new size of the window.
* @return True on success, false on any failure.
*/
bool CNxWindow::setSize(FAR const struct nxgl_size_s *pSize)
{
// Set the window size
return nx_setsize(m_hNxWindow, pSize) == OK;
}
/**
* Bring the window to the top of the display.
*
* @return True on success, false on any failure.
*/
bool CNxWindow::raise(void)
{
// Raise the window to the top of the display
return nx_raise(m_hNxWindow) == OK;
}
/**
* Lower the window to the bottom of the display.
*
* @return True on success, false on any failure.
*/
bool CNxWindow::lower(void)
{
// Lower the window to the bottom of the display
return nx_lower(m_hNxWindow) == OK;
}
/**
* Set an individual pixel in the window with the specified color.
*
* @param pPos The location of the pixel to be filled.
* @param color The color to use in the fill.
*
* @return True on success; false on failure.
*/
bool CNxWindow::setPixel(FAR const struct nxgl_point_s *pPos,
nxgl_mxpixel_t color)
{
// Set an individual pixel to the specified color
return nx_setpixel(m_hNxWindow, pPos, &color) == OK;
}
/**
* Fill the specified rectangle in the window with the specified color.
*
* @param pRect The location to be filled.
* @param color The color to use in the fill.
*
* @return True on success; false on failure.
*/
bool CNxWindow::fill(FAR const struct nxgl_rect_s *pRect,
nxgl_mxpixel_t color)
{
// Fill a rectangular region with a solid color
return nx_fill(m_hNxWindow, pRect, &color) == OK;
}
/**
* Get the raw contents of graphic memory within a rectangular region. NOTE:
* Since raw graphic memory is returned, the returned memory content may be
* the memory of windows above this one and may not necessarily belong to
* this window unless you assure that this is the top window.
*
* @param rect The location to be copied
* @param dest - The describes the destination bitmap to receive the
* graphics data.
*/
void CNxWindow::getRectangle(FAR const struct nxgl_rect_s *rect, struct SBitmap *dest)
{
// Get a rectangule region from the window
(void)nx_getrectangle(m_hNxWindow, rect, 0, (FAR uint8_t*)dest->data, dest->stride);
}
/**
* Fill the specified trapezoidal region in the window with the specified
* color.
*
* @param pClip Clipping rectangle relative to window (may be null).
* @param pTrap The trapezoidal region to be filled.
* @param color The color to use in the fill.
*
* @return True on success; false on failure.
*/
bool CNxWindow::fillTrapezoid(FAR const struct nxgl_rect_s *pClip,
FAR const struct nxgl_trapezoid_s *pTrap,
nxgl_mxpixel_t color)
{
// Fill a trapezoidal region with a solid color
return nx_filltrapezoid(m_hNxWindow, pClip, pTrap, &color) == OK;
}
/**
* Fill the specified line in the window with the specified color.
*
* @param vector - Describes the line to be drawn
* @param width - The width of the line
* @param color - The color to use to fill the line
*
* @return True on success; false on failure.
*/
bool CNxWindow::drawLine(FAR struct nxgl_vector_s *vector,
nxgl_coord_t width, nxgl_mxpixel_t color)
{
// Draw a line with the specified color
return nx_drawline(m_hNxWindow, vector, width, &color) == OK;
}
/**
* Draw a filled circle at the specified position, size, and color.
*
* @param center The window-relative coordinates of the circle center.
* @param radius The radius of the rectangle in pixels.
* @param color The color of the rectangle.
*/
bool CNxWindow::drawFilledCircle(struct nxgl_point_s *center, nxgl_coord_t radius,
nxgl_mxpixel_t color)
{
return nx_fillcircle(m_hNxWindow, center, radius, &color) == OK;
}
/**
* Move a rectangular region within the window.
*
* @param pRect Describes the rectangular region to move.
* @param pOffset The offset to move the region.
*
* @return True on success; false on failure.
*/
bool CNxWindow::move(FAR const struct nxgl_rect_s *pRect,
FAR const struct nxgl_point_s *pOffset)
{
// Move a rectangular region of the display
return nx_move(m_hNxWindow, pRect, pOffset) == OK;
}
/**
* Copy a rectangular region of a larger image into the rectangle in the
* specified window. The source image is treated as an opaque image.
*
* @param pDest Describes the rectangular on the display that will receive
* the bitmap.
* @param pSrc The start of the source image.
* @param pOrigin the pOrigin of the upper, left-most corner of the full
* bitmap. Both pDest and pOrigin are in window coordinates, however,
* pOrigin may lie outside of the display.
* @param stride The width of the full source image in bytes.
*
* @return True on success; false on failure.
*/
bool CNxWindow::bitmap(FAR const struct nxgl_rect_s *pDest,
FAR const void *pSrc,
FAR const struct nxgl_point_s *pOrigin,
unsigned int stride)
{
// Copy a rectangular bitmap image in a region on the display
return nx_bitmap(m_hNxWindow, pDest, &pSrc, pOrigin, stride) == OK;
}
