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

1 files changed, 197 insertions, 0 deletions

diff --git a/kolourpaint/tools/kptoolcolorpicker.cpp b/kolourpaint/tools/kptoolcolorpicker.cpp
new file mode 100644
index 00000000..1050b1cf
--- /dev/null
+++ b/kolourpaint/tools/kptoolcolorpicker.cpp
@@ -0,0 +1,197 @@
+
+/*
+   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_TOOL_COLOR_PICKER 0
+
+
+#include <kptoolcolorpicker.h>
+
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qpoint.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <kpcolortoolbar.h>
+#include <kpcommandhistory.h>
+#include <kpdefs.h>
+#include <kpdocument.h>
+#include <kpmainwindow.h>
+#include <kppixmapfx.h>
+
+
+/*
+ * kpToolColorPicker
+ */
+
+kpToolColorPicker::kpToolColorPicker (kpMainWindow *mainWindow)
+    : kpTool (i18n ("Color Picker"), i18n ("Lets you select a color from the image"),
+              Qt::Key_C,
+              mainWindow, "tool_color_picker")
+{
+}
+
+kpToolColorPicker::~kpToolColorPicker ()
+{
+}
+
+kpColor kpToolColorPicker::colorAtPixel (const QPoint &p)
+{
+#if DEBUG_KP_TOOL_COLOR_PICKER && 0
+    kdDebug () << "kpToolColorPicker::colorAtPixel" << p << endl;
+#endif
+
+    return kpPixmapFX::getColorAtPixel (*document ()->pixmap (), p);
+}
+
+
+QString kpToolColorPicker::haventBegunDrawUserMessage () const
+{
+    return i18n ("Click to select a color.");
+}
+
+void kpToolColorPicker::begin ()
+{
+    setUserMessage (haventBegunDrawUserMessage ());
+}
+
+// virtual
+void kpToolColorPicker::beginDraw ()
+{
+    m_oldColor = color (m_mouseButton);
+
+    setUserMessage (cancelUserMessage ());
+}
+
+// virtual
+void kpToolColorPicker::draw (const QPoint &thisPoint, const QPoint &, const QRect &)
+{
+    const kpColor color = colorAtPixel (thisPoint);
+    
+    if (color.isValid ())
+    {
+        mainWindow ()->colorToolBar ()->setColor (m_mouseButton, color);
+        setUserShapePoints (thisPoint);
+    }
+    else
+    {
+        mainWindow ()->colorToolBar ()->setColor (m_mouseButton, m_oldColor);
+        setUserShapePoints ();
+    }
+}
+
+// virtual
+void kpToolColorPicker::cancelShape ()
+{
+    mainWindow ()->colorToolBar ()->setColor (m_mouseButton, m_oldColor);
+
+    setUserMessage (i18n ("Let go of all the mouse buttons."));
+}
+
+void kpToolColorPicker::releasedAllButtons ()
+{
+    setUserMessage (haventBegunDrawUserMessage ());
+
+}
+
+// virtual
+void kpToolColorPicker::endDraw (const QPoint &thisPoint, const QRect &)
+{
+    const kpColor color = colorAtPixel (thisPoint);
+
+    if (color.isValid ())
+    {
+        kpToolColorPickerCommand *cmd = new kpToolColorPickerCommand (
+                                                m_mouseButton,
+                                                color, m_oldColor,
+                                                mainWindow ());
+
+        mainWindow ()->commandHistory ()->addCommand (cmd, false /* no exec */);
+        setUserMessage (haventBegunDrawUserMessage ());
+    }
+    else
+    {
+        cancelShape ();
+    }
+}
+
+/*
+ * kpToolColorPickerCommand
+ */
+
+kpToolColorPickerCommand::kpToolColorPickerCommand (int mouseButton,
+                                                    const kpColor &newColor,
+                                                    const kpColor &oldColor,
+                                                    kpMainWindow *mainWindow)
+    : kpCommand (mainWindow),
+      m_mouseButton (mouseButton),
+      m_newColor (newColor),
+      m_oldColor (oldColor)
+{
+}
+
+kpToolColorPickerCommand::~kpToolColorPickerCommand ()
+{
+}
+
+
+// public virtual [base kpCommand]
+QString kpToolColorPickerCommand::name () const
+{
+    return i18n ("Color Picker");
+}
+
+
+// public virtual [base kpCommand]
+int kpToolColorPickerCommand::size () const
+{
+    return 0;
+}
+
+
+// public virtual [base kpCommand]
+void kpToolColorPickerCommand::execute ()
+{
+    colorToolBar ()->setColor (m_mouseButton, m_newColor);
+}
+
+// public virtual [base kpCommand]
+void kpToolColorPickerCommand::unexecute ()
+{
+    colorToolBar ()->setColor (m_mouseButton, m_oldColor);
+}
+
+
+// private
+kpColorToolBar *kpToolColorPickerCommand::colorToolBar () const
+{
+    return m_mainWindow ? m_mainWindow->colorToolBar () : 0;
+}
+
+#include <kptoolcolorpicker.moc>