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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kolourpaint/cursors/kpcursorlightcross.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kolourpaint/cursors/kpcursorlightcross.cpp b/kolourpaint/cursors/kpcursorlightcross.cpp
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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ 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.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+*/
+
+#define DEBUG_KP_CURSOR_LIGHT_CROSS 0
+
+
+#include <kpcursorlightcross.h>
+
+#include <qbitmap.h>
+#include <qcursor.h>
+
+#include <kdebug.h>
+
+
+enum PixelValue
+{
+ White, Black, Transparent
+};
+
+static void setPixel (unsigned char *colorBitmap,
+ unsigned char *maskBitmap,
+ int width,
+ int y, int x, enum PixelValue pv)
+{
+ const int ColorBlack = 1;
+ const int ColorWhite = 0;
+
+ const int MaskOpaque = 1;
+ const int MaskTransparent = 0;
+
+ int colorValue, maskValue;
+
+ switch (pv)
+ {
+ case White:
+ colorValue = ColorWhite;
+ maskValue = MaskOpaque;
+ break;
+
+ case Black:
+ colorValue = ColorBlack;
+ maskValue = MaskOpaque;
+ break;
+
+ case Transparent:
+ default:
+ colorValue = ColorWhite;
+ maskValue = MaskTransparent;
+ break;
+ }
+
+ if (colorValue)
+ colorBitmap [y * (width / 8) + (x / 8)] |= (1 << (x % 8));
+
+ if (maskValue)
+ maskBitmap [y * (width / 8) + (x / 8)] |= (1 << (x % 8));
+}
+
+
+const QCursor *kpMakeCursorLightCross ()
+{
+#if DEBUG_KP_CURSOR_LIGHT_CROSS
+ kdDebug () << "kpMakeCursorLightCross() " << endl;
+#endif
+
+ const int side = 24;
+ const int byteSize = (side * side) / 8;
+ unsigned char *colorBitmap = new unsigned char [byteSize];
+ unsigned char *maskBitmap = new unsigned char [byteSize];
+
+ memset (colorBitmap, 0, byteSize);
+ memset (maskBitmap, 0, byteSize);
+
+ const int oddSide = side - 1;
+ const int strokeLen = oddSide * 3 / 8;
+
+ for (int i = 0; i < strokeLen; i++)
+ {
+ const enum PixelValue pv = (i % 2) ? Black : White;
+
+ #define X_(val) (val)
+ #define Y_(val) (val)
+ #define DRAW(y,x) setPixel (colorBitmap, maskBitmap, side, (y), (x), pv)
+ // horizontal
+ DRAW (Y_(side / 2), X_(1 + i));
+ DRAW (Y_(side / 2), X_(side - 1 - i));
+
+ // vertical
+ DRAW (Y_(1 + i), X_(side / 2));
+ DRAW (Y_(side - 1 - i), X_(side / 2));
+ #undef DRAW
+ #undef Y_
+ #undef X_
+ }
+
+ QCursor *cursor = new QCursor (QBitmap (side, side, colorBitmap, true/*little endian bit order*/),
+ QBitmap (side, side, maskBitmap, true/*little endian bit order*/));
+
+ delete [] maskBitmap;
+ delete [] colorBitmap;
+
+ return cursor;
+}
+