NX toolkit

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1376 42af7a65-404d-4744-a932-0658087f49c3

graphics/nxtk/Make.defs

+############################################################################
+# graphics/nxtk/Make.defs
+#
+#   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# 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.
+#
+############################################################################
+
+NXTK_ASRCS	=
+NXTK_CSRCS	= nxtk_rawwindow.c

graphics/nxtk/nxtk_rawwindow.c

+/****************************************************************************
+//  * graphics/nxtk/nxtk_rawwindow.c
+ *
+ *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/nx.h>
+#include <nuttx/nxtk.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct nxtk_rawwindow_s
+{
+  struct nxtk_base_s base;
+  NXHANDLE           handle;
+  NXWINDOW           hwnd;
+};
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtk_close
+ ****************************************************************************/
+
+static void nxtk_close(NXTWINDOW hwnd)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  nx_close(this->hwnd);
+  free(this);
+}
+
+/****************************************************************************
+ * Name: nxtk_getposition
+ ****************************************************************************/
+
+static int nxtk_getposition(NXTWINDOW hwnd)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_getposition(this->hwnd);
+}
+
+/****************************************************************************
+ * Name: nxtk_setposition
+ ****************************************************************************/
+
+static int nxtk_setposition(NXTWINDOW hwnd, FAR struct nxgl_point_s *pos)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_setposition(this->hwnd, pos);
+}
+
+/****************************************************************************
+ * Name: nxtk_setsize
+ ****************************************************************************/
+
+static int nxtk_setsize(NXTWINDOW hwnd, FAR struct nxgl_rect_s *size)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_setsize(this->hwnd, size);
+}
+
+/****************************************************************************
+ * Name: nxtk_raise
+ ****************************************************************************/
+
+static int nxtk_raise(NXTWINDOW hwnd)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_raise(this->hwnd);
+}
+
+/****************************************************************************
+ * Name: nxtk_lower
+ ****************************************************************************/
+
+static int nxtk_lower(NXTWINDOW hwnd)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_lower(this->hwnd);
+}
+
+/****************************************************************************
+ * Name: nxtk_fill
+ ****************************************************************************/
+
+static int nxtk_fill(NXTWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                     nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_fill(this->hwnd, rect, color);
+}
+
+/****************************************************************************
+ * Name: nxtk_filltrapezoid
+ ****************************************************************************/
+
+static int nxtk_filltrapezoid(NXTWINDOW hwnd, FAR struct nxgl_trapezoid_s *trap,
+                              nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_filltrapezoid(this->hwnd, trap, color);
+}
+
+/****************************************************************************
+ * Name: nxtk_move
+ ****************************************************************************/
+
+static int nxtk_move(NXTWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                     FAR const struct nxgl_point_s *offset)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_move(this->hwnd, rect, offset);
+}
+
+/****************************************************************************
+ * Name: nxtk_bitmap
+ ****************************************************************************/
+
+static int nxtk_bitmap(NXTWINDOW hwnd, FAR const struct nxgl_rect_s *dest,
+                       FAR const void *src[CONFIG_NX_NPLANES],
+                       FAR const struct nxgl_point_s *origin,
+                       unsigned int stride)
+{
+  FAR struct nxtk_rawwindow_s *this = (FAR struct nxtk_rawwindow_s *)hwnd;
+  return nx_bitmap(this->hwnd, dest, src, origin, stride);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtk_rawwindow
+ *
+ * Description:
+ *    This function is the constructor for a raw NXTWINDOW object. 
+ *    This provides a one-to-one mapping with the window APIs in nx.h.
+ *
+ * Input Parameters:
+ *   handle - The handle returned by nx_connect or nx_open
+ *   cb     - Callbacks used to process window events
+ *   arg    - User provided value that will be returned with NX callbacks.
+ *
+ * Return:
+ *   Success: A non-NULL handle used with subsequent method calls
+ *   Failure:  NULL is returned and errno is set appropriately
+ *
+ ****************************************************************************/
+
+NXTWINDOW nxtk_rawwindow(NXHANDLE handle,
+                         FAR const struct nx_callback_s *cb,
+                         FAR void *arg)
+{
+  FAR struct nxtk_rawwindow_s *this = malloc(sizeof(struct nxtk_rawwindow_s));
+
+  /* Pre-allocate this internal state structure so we won't don't have to
+   * handle the failure to allocate later.
+   */
+
+  if (!this)
+    {
+      errno = ENOMEM;
+      return NULL;
+    }
+
+  /* Create the window */
+
+  this->hwnd = nx_openwindow(handle, cb, arg);
+  if (!this->hwnd)
+    {
+      free(this);
+      return NULL;
+    }
+
+  /* Then initialize the rest of the object */
+
+  this->handle             = handle;
+  this->base.close         = nxtk_close;
+  this->base.getposition   = nxtk_getposition;
+  this->base.setposition   = nxtk_setposition;
+  this->base.setsize       = nxtk_setsize;
+  this->base.raise         = nxtk_raise;
+  this->base.lower         = nxtk_lower;
+  this->base.fill          = nxtk_fill;
+  this->base.filltrapezoid = nxtk_filltrapezoid;
+  this->base.move          = nxtk_move;
+  this->base.bitmap        = nxtk_bitmap;
+
+  return &this->base;
+}