-/*!
+/**
* \file
* <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
* Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
* Copyright 1999 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See README.devlib for information.
+ *
* -->
*
* \version $Id$
* \brief Line drawing graphics routines
*/
-/*#*
- *#* $Log$
- *#* Revision 1.2 2006/02/10 12:26:58 bernie
- *#* Check CONFIG_* constraints.
- *#*
- *#* Revision 1.1 2006/01/24 02:17:49 bernie
- *#* Split out gfx.c into bitmap.c and line.c.
- *#*
- *#*/
-
#include "gfx.h"
#include "gfx_p.h"
#include <cfg/debug.h> /* ASSERT() */
-#include <cfg/cpu.h> /* CPU_HARVARD */
#include <cfg/macros.h> /* SWAP() */
#include <appconfig.h> /* CONFIG_GFX_CLIPPING */
#error CONFIG_GFX_VCOORDS must be defined to either 0 or 1
#endif
-/*!
+/**
* Draw a sloped line without performing clipping.
*
* Parameters are the same of gfx_line().
}
}
-//! Helper routine for gfx_line().
+#if CONFIG_GFX_CLIPPING
+
+/// Helper routine for gfx_line().
static int gfx_findRegion(int x, int y, Rect *cr)
{
int code = 0;
return code;
}
+#endif /* CONFIG_CLIPPING */
+
/**
* Draw a sloped line segment.
*
gfx_lineUnclipped(bm, x1, y1, x2, y2);
}
-/*!
+/**
* Move the current pen position to the specified coordinates.
*
* The pen position is used for drawing operations such as
bm->penY = y;
}
-/*!
+/**
* Draw a line from the current pen position to the new coordinates.
*
* \note This function moves the current pen position to the
}
-/*!
+/**
* Draw the perimeter of an hollow rectangle.
*
* \note The bottom-right corner of the rectangle is drawn at (x2-1;y2-1).
}
-/*!
+/**
* Fill a rectangular area with \a color.
*
* \note The bottom-right border of the rectangle is not drawn.
}
-/*!
+/**
* Draw a filled rectangle.
*
* \note The bottom-right border of the rectangle is not drawn.
}
-/*!
+/**
* Clear a rectangular area.
*
* \note The bottom-right border of the rectangle is not cleared.
#if CONFIG_GFX_VCOORDS
-/*!
+/**
* Imposta gli estremi del sistema di coordinate cartesiane rispetto
* al rettangolo di clipping della bitmap.
*/
}
-/*!
+/**
* Transform a coordinate from the current reference system to a
* pixel offset within the bitmap.
*/
return bm->cr.xmin + (coord_t)((x - bm->orgX) * bm->scaleX);
}
-/*!
+/**
* Transform a coordinate from the current reference system to a
* pixel offset within the bitmap.
*/
}
-/*!
+/**
* Draw a line from (x1;y1) to (x2;y2).
*/
void gfx_vline(Bitmap *bm, vcoord_t x1, vcoord_t y1, vcoord_t x2, vcoord_t y2)