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 #define DEBUG_KP_TOOL_COLOR_PICKER 0 0030 0031 0032 #include "kpToolColorPicker.h" 0033 #include "kpLogCategories.h" 0034 #include "widgets/toolbars/kpColorToolBar.h" 0035 #include "commands/kpCommandHistory.h" 0036 #include "kpDefs.h" 0037 #include "document/kpDocument.h" 0038 #include "pixmapfx/kpPixmapFX.h" 0039 #include "commands/tools/kpToolColorPickerCommand.h" 0040 #include "environments/tools/kpToolEnvironment.h" 0041 0042 #include <KLocalizedString> 0043 0044 kpToolColorPicker::kpToolColorPicker (kpToolEnvironment *environ, QObject *parent) 0045 : kpTool (i18n ("Color Picker"), i18n ("Lets you select a color from the image"), 0046 Qt::Key_C, 0047 environ, parent, QStringLiteral("tool_color_picker")) 0048 { 0049 } 0050 0051 kpToolColorPicker::~kpToolColorPicker () = default; 0052 0053 0054 // private 0055 kpColor kpToolColorPicker::colorAtPixel (const QPoint &p) 0056 { 0057 #if DEBUG_KP_TOOL_COLOR_PICKER && 0 0058 qCDebug(kpLogTools) << "kpToolColorPicker::colorAtPixel" << p; 0059 #endif 0060 0061 return kpPixmapFX::getColorAtPixel (document ()->image (), p); 0062 } 0063 0064 0065 // private 0066 QString kpToolColorPicker::haventBegunDrawUserMessage () const 0067 { 0068 return i18n ("Click to select a color."); 0069 } 0070 0071 0072 // public virtual [base kpTool] 0073 void kpToolColorPicker::begin () 0074 { 0075 setUserMessage (haventBegunDrawUserMessage ()); 0076 } 0077 0078 // public virtual [base kpTool] 0079 void kpToolColorPicker::beginDraw () 0080 { 0081 m_oldColor = color (mouseButton ()); 0082 0083 setUserMessage (cancelUserMessage ()); 0084 } 0085 0086 // public virtual [base kpTool] 0087 void kpToolColorPicker::draw (const QPoint &thisPoint, const QPoint &, const QRect &) 0088 { 0089 const kpColor color = colorAtPixel (thisPoint); 0090 0091 if (color.isValid ()) 0092 { 0093 environ ()->setColor (mouseButton (), color); 0094 setUserShapePoints (thisPoint); 0095 } 0096 else 0097 { 0098 environ ()->setColor (mouseButton (), m_oldColor); 0099 setUserShapePoints (); 0100 } 0101 } 0102 0103 // public virtual [base kpTool] 0104 void kpToolColorPicker::cancelShape () 0105 { 0106 environ ()->setColor (mouseButton (), m_oldColor); 0107 0108 setUserMessage (i18n ("Let go of all the mouse buttons.")); 0109 } 0110 0111 // public virtual [base kpTool] 0112 void kpToolColorPicker::releasedAllButtons () 0113 { 0114 setUserMessage (haventBegunDrawUserMessage ()); 0115 0116 } 0117 0118 // public virtual [base kpTool] 0119 void kpToolColorPicker::endDraw (const QPoint &thisPoint, const QRect &) 0120 { 0121 const kpColor color = colorAtPixel (thisPoint); 0122 0123 if (color.isValid ()) 0124 { 0125 auto *cmd = new kpToolColorPickerCommand ( mouseButton (), color, m_oldColor, 0126 environ ()->commandEnvironment ()); 0127 0128 environ ()->commandHistory ()->addCommand (cmd, false/*no exec*/); 0129 setUserMessage (haventBegunDrawUserMessage ()); 0130 } 0131 else 0132 { 0133 cancelShape (); 0134 } 0135 } 0136 0137 #include "moc_kpToolColorPicker.cpp"