File indexing completed on 2024-04-28 04:20:27
0001 0002 /* 0003 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 0004 All rights reserved. 0005 0006 Redistribution and use in source and binary forms, with or without 0007 modification, are permitted provided that the following conditions 0008 are met: 0009 0010 1. Redistributions of source code must retain the above copyright 0011 notice, this list of conditions and the following disclaimer. 0012 2. Redistributions in binary form must reproduce the above copyright 0013 notice, this list of conditions and the following disclaimer in the 0014 documentation and/or other materials provided with the distribution. 0015 0016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0017 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0018 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0019 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0020 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0021 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0022 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0023 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0025 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0026 */ 0027 0028 0029 #ifndef KP_TOOL_COLOR_PICKER_H 0030 #define KP_TOOL_COLOR_PICKER_H 0031 0032 0033 #include "imagelib/kpColor.h" 0034 #include "tools/kpTool.h" 0035 0036 0037 class QPoint; 0038 class QRect; 0039 0040 0041 class kpToolColorPicker : public kpTool 0042 { 0043 Q_OBJECT 0044 0045 public: 0046 kpToolColorPicker (kpToolEnvironment *environ, QObject *parent); 0047 ~kpToolColorPicker () override; 0048 0049 // generally the user goes to pick a color but wants to return to using 0050 // his/her previous drawing tool 0051 bool returnToPreviousToolAfterEndDraw () const override { return true; } 0052 0053 private: 0054 kpColor colorAtPixel (const QPoint &p); 0055 0056 QString haventBegunDrawUserMessage () const; 0057 0058 public: 0059 void begin () override; 0060 void beginDraw () override; 0061 void draw (const QPoint &thisPoint, const QPoint &, const QRect &) override; 0062 void cancelShape () override; 0063 void releasedAllButtons () override; 0064 void endDraw (const QPoint &thisPoint, const QRect &) override; 0065 0066 private: 0067 kpColor m_oldColor; 0068 }; 0069 0070 0071 #endif // KP_TOOL_COLOR_PICKER_H