/**************************************************************************** * NxWidgets/libnxwidgets/src/cnxwindow.cxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #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(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(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; }