1 files changed, 141 insertions, 0 deletions
diff --git a/nuttx/graphics/nxglib/lcd/nxglib_copyrectangle.c b/nuttx/graphics/nxglib/lcd/nxglib_copyrectangle.c
new file mode 100644
index 000000000..988b6cb94
--- /dev/null
+++ b/nuttx/graphics/nxglib/lcd/nxglib_copyrectangle.c
@@ -0,0 +1,141 @@
+/****************************************************************************
+ * graphics/nxglib/lcd/nxsglib_copyrectangle.c
+ *
+ *   Copyright (C) 2010-2011 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 <stdint.h>
+#include <assert.h>
+
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/nx/nxglib.h>
+
+#include "nxglib_bitblit.h"
+#include "nxglib_copyrun.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxgl_copyrectangle_*bpp
+ *
+ * Descripton:
+ *   Copy a rectangular bitmap image into the specific position in the
+ *   framebuffer memory.
+ *
+ ****************************************************************************/
+
+void NXGL_FUNCNAME(nxgl_copyrectangle,NXGLIB_SUFFIX)
+(FAR struct lcd_planeinfo_s *pinfo, FAR const struct nxgl_rect_s *dest,
+ FAR const void *src, FAR const struct nxgl_point_s *origin,
+ unsigned int srcstride)
+{
+  FAR const uint8_t *sline;
+  unsigned int ncols;
+  unsigned int row;
+  unsigned int xoffset;
+#if NXGLIB_BITSPERPIXEL < 8
+  unsigned int remainder;
+#endif
+
+  /* Get the dimensions of the rectange to fill: width in pixels,
+   * height in rows
+   */
+
+  ncols = dest->pt2.x - dest->pt1.x + 1;
+
+  /* Set up to copy the image */
+
+  xoffset = dest->pt1.x - origin->x;
+  sline = (const uint8_t*)src + NXGL_SCALEX(xoffset) + (dest->pt1.y - origin->y) * srcstride;
+#if NXGLIB_BITSPERPIXEL < 8
+  remainder = NXGL_REMAINDERX(xoffset);
+#endif
+
+  /* Copy the image, one row at a time */
+
+  for (row = dest->pt1.y; row <= dest->pt2.y; row++)
+    {
+#if NXGLIB_BITSPERPIXEL < 8
+      /* if the source pixel is not aligned with a byte boundary, then we will
+       * need to copy the image data to the run buffer first.
+       */
+
+      if (remainder != 0)
+        {
+          NXGL_FUNCNAME(nxgl_copyrun,NXGLIB_SUFFIX)(sline, pinfo->buffer, remainder, ncols);
+          (void)pinfo->putrun(row, dest->pt1.x, pinfo->buffer, ncols);
+        }
+      else
+#endif
+        {
+          /* The pixel data is byte aligned.  Copy the image data directly from
+           * the image memory.
+           */
+
+          (void)pinfo->putrun(row, dest->pt1.x, sline, ncols);
+        }
+
+      /* Then adjust the source pointer to refer to the next line in the source
+       * image.
+       */
+
+      sline += srcstride;
+    }
+}