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-rw-r--r--nuttx/graphics/nxglib/nxglib_splitline.c7
-rw-r--r--nuttx/graphics/nxmu/Make.defs2
-rw-r--r--nuttx/graphics/nxmu/nx_drawline.c136
-rw-r--r--nuttx/graphics/nxsu/Make.defs2
-rw-r--r--nuttx/graphics/nxsu/nx_drawline.c136
-rw-r--r--nuttx/graphics/nxtk/Make.defs8
-rw-r--r--nuttx/graphics/nxtk/nxtk_drawlinetoolbar.c139
-rw-r--r--nuttx/graphics/nxtk/nxtk_drawlinewindow.c138
8 files changed, 560 insertions, 8 deletions
diff --git a/nuttx/graphics/nxglib/nxglib_splitline.c b/nuttx/graphics/nxglib/nxglib_splitline.c
index d4d2899b3..7be9cc115 100644
--- a/nuttx/graphics/nxglib/nxglib_splitline.c
+++ b/nuttx/graphics/nxglib/nxglib_splitline.c
@@ -75,7 +75,8 @@
* In the general case, a line with width can be represented as a
* parallelogram with a triangle at the top and bottom. Triangles and
* parallelograms are both degenerate versions of a trapeziod. This
- * function breaks. This function also detects other degenerate cases:
+ * function breaks a wide line into triangles and trapezoids. This
+ * function also detects other degenerate cases:
*
* 1. If y1 == y2 then the line is horizontal and is better represented
* as a rectangle.
@@ -83,9 +84,9 @@
* as a rectangle.
* 3. If the width of the line is 1, then there are no triangles at the
* top and bottome (this may also be the case if the width is narrow
- * and the line is near vertical)
+ * and the line is near vertical).
* 4. If the line is oriented is certain angles, it may consist only of
- * the upper and lower triangles with no trapezoid inbetween. In
+ * the upper and lower triangles with no trapezoid in between. In
* this case, 3 trapezoids will be returned, but traps[1] will be
* degenerate.
*
diff --git a/nuttx/graphics/nxmu/Make.defs b/nuttx/graphics/nxmu/Make.defs
index 64d5fc724..79959a4a0 100644
--- a/nuttx/graphics/nxmu/Make.defs
+++ b/nuttx/graphics/nxmu/Make.defs
@@ -39,7 +39,7 @@ NXAPI_CSRCS = nx_bitmap.c nx_closewindow.c nx_connect.c nx_disconnect.c \
nx_getposition.c nx_kbdchin.c nx_kbdin.c nx_lower.c \
nx_mousein.c nx_move.c nx_openwindow.c nx_raise.c \
nx_releasebkgd.c nx_requestbkgd.c nx_setsize.c \
- nx_setbgcolor.c nx_setposition.c
+ nx_setbgcolor.c nx_setposition.c nx_drawline.c
NXMU_CSRCS = nxmu_constructwindow.c nxmu_kbdin.c nxmu_mouse.c \
nxmu_openwindow.c nxmu_redrawreq.c nxmu_releasebkgd.c \
nxmu_requestbkgd.c nxmu_reportposition.c nxmu_semtake.c \
diff --git a/nuttx/graphics/nxmu/nx_drawline.c b/nuttx/graphics/nxmu/nx_drawline.c
new file mode 100644
index 000000000..0267d8058
--- /dev/null
+++ b/nuttx/graphics/nxmu/nx_drawline.c
@@ -0,0 +1,136 @@
+/****************************************************************************
+ * graphics/nxmu/nx_drawline.c
+ *
+ * Copyright (C) 2011 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 <debug.h>
+#include <errno.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nx.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nx_drawline
+ *
+ * Description:
+ * Fill the specified line in the window with the specified color. This
+ * is simply a wrapper that uses nxgl_splitline() to break the line into
+ * trapezoids and then calls nx_filltrapezoid() to render the line.
+ *
+ * Input Parameters:
+ * hwnd - The window handle
+ * vector - Describes the line to be drawn
+ * width - The width of the line
+ * color - The color to use to fill the line
+ *
+ * Return:
+ * OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nx_drawline(NXWINDOW hwnd, FAR struct nxgl_vector_s *vector,
+ nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+{
+ struct nxgl_trapezoid_s trap[3];
+ struct nxgl_rect_s rect;
+ int ret;
+
+#ifdef CONFIG_DEBUG
+ if (!hwnd || !vector || width < 1 || !color)
+ {
+ set_errno(EINVAL);
+ return ERROR;
+ }
+#endif
+
+ ret = nxgl_splitline(vector, trap, &rect, width);
+ switch (ret)
+ {
+ case 0:
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[0], color);
+ if (ret == OK)
+ {
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[1], color);
+ if (ret == OK)
+ {
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[2], color);
+ }
+ }
+ break;
+
+ case 1:
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[1], color);
+ break;
+
+ case 2:
+ ret = nx_fill(hwnd, &rect, color);
+ break;
+
+ default:
+ set_errno(-ret);
+ return ERROR;
+ }
+
+ return ret;
+}
diff --git a/nuttx/graphics/nxsu/Make.defs b/nuttx/graphics/nxsu/Make.defs
index af525bea9..3cddf3a2c 100644
--- a/nuttx/graphics/nxsu/Make.defs
+++ b/nuttx/graphics/nxsu/Make.defs
@@ -38,6 +38,6 @@ NXAPI_CSRCS = nx_bitmap.c nx_close.c nx_closewindow.c nx_fill.c \
nx_filltrapezoid.c nx_getposition.c nx_kbdchin.c \
nx_kbdin.c nx_lower.c nx_mousein.c nx_move.c nx_open.c \
nx_openwindow.c nx_raise.c nx_releasebkgd.c nx_requestbkgd.c \
- nx_setsize.c nx_setbgcolor.c nx_setposition.c
+ nx_setsize.c nx_setbgcolor.c nx_setposition.c nx_drawline.c
NXSU_CSRCS = nxsu_constructwindow.c nxsu_redrawreq.c nxsu_reportposition.c
NX_CSRCS = $(NXAPI_CSRCS) $(NXSU_CSRCS)
diff --git a/nuttx/graphics/nxsu/nx_drawline.c b/nuttx/graphics/nxsu/nx_drawline.c
new file mode 100644
index 000000000..ca4ddaf18
--- /dev/null
+++ b/nuttx/graphics/nxsu/nx_drawline.c
@@ -0,0 +1,136 @@
+/****************************************************************************
+ * graphics/nxsu/nx_drawline.c
+ *
+ * Copyright (C) 2011 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 <debug.h>
+#include <errno.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nx.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nx_drawline
+ *
+ * Description:
+ * Fill the specified line in the window with the specified color. This
+ * is simply a wrapper that uses nxgl_splitline() to break the line into
+ * trapezoids and then calls nx_filltrapezoid() to render the line.
+ *
+ * Input Parameters:
+ * hwnd - The window handle
+ * vector - Describes the line to be drawn
+ * width - The width of the line
+ * color - The color to use to fill the line
+ *
+ * Return:
+ * OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nx_drawline(NXWINDOW hwnd, FAR struct nxgl_vector_s *vector,
+ nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+{
+ struct nxgl_trapezoid_s trap[3];
+ struct nxgl_rect_s rect;
+ int ret;
+
+#ifdef CONFIG_DEBUG
+ if (!hwnd || !vector || width < 1 || !color)
+ {
+ set_errno(EINVAL);
+ return ERROR;
+ }
+#endif
+
+ ret = nxgl_splitline(vector, trap, &rect, width);
+ switch (ret)
+ {
+ case 0:
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[0], color);
+ if (ret == OK)
+ {
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[1], color);
+ if (ret == OK)
+ {
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[2], color);
+ }
+ }
+ break;
+
+ case 1:
+ ret = nx_filltrapezoid(hwnd, NULL, &trap[1], color);
+ break;
+
+ case 2:
+ ret = nx_fill(hwnd, &rect, color);
+ break;
+
+ default:
+ set_errno(-ret);
+ return ERROR;
+ }
+
+ return ret;
+}
diff --git a/nuttx/graphics/nxtk/Make.defs b/nuttx/graphics/nxtk/Make.defs
index 67c9b63ae..736d91003 100644
--- a/nuttx/graphics/nxtk/Make.defs
+++ b/nuttx/graphics/nxtk/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# graphics/nxtk/Make.defs
#
-# Copyright (C) 2008 Gregory Nutt. All rights reserved.
+# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# Redistribution and use in source and binary forms, with or without
@@ -37,8 +37,10 @@ NXTK_ASRCS =
NXTKWIN_CSRCS = nxtk_openwindow.c nxtk_closewindow.c nxtk_getposition.c \
nxtk_setposition.c nxtk_setsize.c nxtk_raise.c nxtk_lower.c \
nxtk_fillwindow.c nxtk_filltrapwindow.c nxtk_movewindow.c \
- nxtk_bitmapwindow.c nxtk_events.c nxtk_setsubwindows.c
+ nxtk_bitmapwindow.c nxtk_events.c nxtk_setsubwindows.c \
+ nxtk_drawlinewindow.c
NXTKTB_CSRCS = nxtk_opentoolbar.c nxtk_closetoolbar.c nxtk_filltoolbar.c \
- nxtk_filltraptoolbar.c nxtk_movetoolbar.c nxtk_bitmaptoolbar.c
+ nxtk_filltraptoolbar.c nxtk_movetoolbar.c nxtk_bitmaptoolbar.c \
+ nxtk_drawlinetoolbar.c
NXTK_CSRCS = $(NXTKWIN_CSRCS) $(NXTKTB_CSRCS) nxtk_subwindowclip.c \
nxtk_containerclip.c nxtk_subwindowmove.c nxtk_drawframe.c
diff --git a/nuttx/graphics/nxtk/nxtk_drawlinetoolbar.c b/nuttx/graphics/nxtk/nxtk_drawlinetoolbar.c
new file mode 100644
index 000000000..4af8b3732
--- /dev/null
+++ b/nuttx/graphics/nxtk/nxtk_drawlinetoolbar.c
@@ -0,0 +1,139 @@
+/****************************************************************************
+ * graphics/nxtk/nxtk_drawlinetoolbar.c
+ *
+ * Copyright (C) 2011 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 <debug.h>
+#include <errno.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxtk.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtk_drawlinetoolbar
+ *
+ * Description:
+ * Fill the specified line in the toolbar sub-window with the specified
+ * color. This is simply a wrapper that uses nxgl_splitline() to break the
+ * line into trapezoids and then calls nxtk_filltrapwindow() to render the
+ * line.
+ *
+ * Input Parameters:
+ * hfwnd - The window handle returned by nxtk_openwindow
+ * vector - Describes the line to be drawn
+ * width - The width of the line
+ * color - The color to use to fill the line
+ *
+ * Return:
+ * OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nxtk_drawlinetoolbar(NXTKWINDOW hfwnd, FAR struct nxgl_vector_s *vector,
+ nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+
+{
+ struct nxgl_trapezoid_s trap[3];
+ struct nxgl_rect_s rect;
+ int ret;
+
+#ifdef CONFIG_DEBUG
+ if (!hfwnd || !vector || width < 1 || !color)
+ {
+ set_errno(EINVAL);
+ return ERROR;
+ }
+#endif
+
+ ret = nxgl_splitline(vector, trap, &rect, width);
+ switch (ret)
+ {
+ case 0:
+ ret = nxtk_filltraptoolbar(hfwnd, &trap[0], color);
+ if (ret == OK)
+ {
+ ret = nxtk_filltraptoolbar(hfwnd, &trap[1], color);
+ if (ret == OK)
+ {
+ ret = nxtk_filltraptoolbar(hfwnd, &trap[2], color);
+ }
+ }
+ break;
+
+ case 1:
+ ret = nxtk_filltraptoolbar(hfwnd, &trap[1], color);
+ break;
+
+ case 2:
+ ret = nxtk_filltoolbar(hfwnd, &rect, color);
+ break;
+
+ default:
+ set_errno(EINVAL);
+ return ERROR;
+ }
+
+ return ret;
+}
diff --git a/nuttx/graphics/nxtk/nxtk_drawlinewindow.c b/nuttx/graphics/nxtk/nxtk_drawlinewindow.c
new file mode 100644
index 000000000..2dfd7e845
--- /dev/null
+++ b/nuttx/graphics/nxtk/nxtk_drawlinewindow.c
@@ -0,0 +1,138 @@
+/****************************************************************************
+ * graphics/nxtk/nxtk_drawlinewindow.c
+ *
+ * Copyright (C) 2011 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 <debug.h>
+#include <errno.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxtk.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtk_drawlinewindow
+ *
+ * Description:
+ * Fill the specified line in the window with the specified color. This
+ * is simply a wrapper that uses nxgl_splitline() to break the line into
+ * trapezoids and call calls nxtk_filltrapwindow() to render the line.
+ *
+ * Input Parameters:
+ * hfwnd - The window handle returned by nxtk_openwindow
+ * vector - Describes the line to be drawn
+ * width - The width of the line
+ * color - The color to use to fill the line
+ *
+ * Return:
+ * OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nxtk_drawlinewindow(NXTKWINDOW hfwnd, FAR struct nxgl_vector_s *vector,
+ nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES])
+
+{
+ struct nxgl_trapezoid_s trap[3];
+ struct nxgl_rect_s rect;
+ int ret;
+
+#ifdef CONFIG_DEBUG
+ if (!hfwnd || !vector || width < 1 || !color)
+ {
+ set_errno(EINVAL);
+ return ERROR;
+ }
+#endif
+
+ ret = nxgl_splitline(vector, trap, &rect, width);
+ switch (ret)
+ {
+ case 0:
+ ret = nxtk_filltrapwindow(hfwnd, &trap[0], color);
+ if (ret == OK)
+ {
+ ret = nxtk_filltrapwindow(hfwnd, &trap[1], color);
+ if (ret == OK)
+ {
+ ret = nxtk_filltrapwindow(hfwnd, &trap[2], color);
+ }
+ }
+ break;
+
+ case 1:
+ ret = nxtk_filltrapwindow(hfwnd, &trap[1], color);
+ break;
+
+ case 2:
+ ret = nxtk_fillwindow(hfwnd, &rect, color);
+ break;
+
+ default:
+ set_errno(EINVAL);
+ return ERROR;
+ }
+
+ return ret;
+}