Reorganized source code and directory tree.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1375 416bcca6-2ee7-4201-b75f-2eb2f807beb1

src/brush.h

@@ -0,0 +1,120 @@
+/* vim:expandtab:ts=2 sw=2:
+*/
+/*  Grafx2 - The Ultimate 256-color bitmap paint program
+
+    Copyright 2007-2008 Adrien Destugues
+    Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
+
+    Grafx2 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; version 2
+    of the License.
+
+    Grafx2 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 Grafx2; if not, see <http://www.gnu.org/licenses/>
+*/
+
+//////////////////////////////////////////////////////////////////////////////
+///@file brush.h
+/// Actions on the brush.
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef __BRUSH_H_
+#define __BRUSH_H_
+
+#include "struct.h"
+
+/*!
+    Gets the brush from the picture.
+    @param start_x left edge coordinate in the picture
+    @param start_y upper edge coordinate in the picture
+    @param end_x right edge coordinate in the picture
+    @param end_y bottom edge coordinate in the picture
+    @param clear If 1, the area is also cleared from the picture.
+*/
+void Capture_brush(short start_x,short start_y,short end_x,short end_y,short clear);
+
+/*!
+  Rotates the brush to the right.
+*/
+void Rotate_90_deg(void);
+
+/*!
+    Stretch the brush to fit the given rectangle.
+*/
+void Stretch_brush(short x1, short y1, short x2, short y2);
+
+/*!
+    Stretch the brush to fit the given rectangle.
+    Uses fast approximation for the preview while drawing the rectangle on screen.
+*/
+void Stretch_brush_preview(short x1, short y1, short x2, short y2);
+
+/*!
+    Rotates the brush to the right from the given angle.
+*/
+void Rotate_brush(float angle);
+
+/*!
+    Stretch the brush to fit the given rectangle.
+    Uses fast approximation for the preview while changing the angle.
+*/
+void Rotate_brush_preview(float angle);
+
+/*!
+    Remap the brush palette to the nearest color in the picture one.
+    Used when switching to the spare page.
+*/
+
+/*!
+    Distort the brush on the screen.
+*/
+void Distort_brush_preview(short x1, short y1, short x2, short y2, short x3, short y3, short x4, short y4);
+
+/*!
+    Replace the brush by a distorted version of itself.
+*/
+void Distort_brush(short x1, short y1, short x2, short y2, short x3, short y3, short x4, short y4);
+
+
+void Remap_brush(void);
+
+/*!
+    Get color indexes used by the brush.
+*/
+void Get_colors_from_brush(void);
+
+/*!
+    Outline the brush, add 1 foreground-colored pixel on the edges.
+    Edges are detected considering the backcolor as transparent.
+*/
+void Outline_brush(void);
+
+/*!
+    Nibble the brush, remove 1 pixel on the edges and make it transparent (ie filled with back color).
+    Edges are detected considering the backcolor as transparent.
+*/
+void Nibble_brush(void);
+
+/*!
+    Get brush from picture according to a freehand form.
+    @param vertices number of points in the freehand form
+    @param points array of points coordinates
+    @param clear If set to 1, the captured area is also cleared from the picture.
+*/
+void Capture_brush_with_lasso(int vertices, short * points,short clear);
+
+
+///
+/// Changes the Brush size, discarding its previous content.
+/// @return 0 OK, 1 Failed
+byte Realloc_brush(word new_brush_width, word new_brush_height);
+
+
+
+#endif