1 files changed, 311 insertions, 0 deletions
diff --git a/chalk/ui/kis_birdeye_box.cpp b/chalk/ui/kis_birdeye_box.cpp
new file mode 100644
index 00000000..2b816f9c
--- /dev/null
+++ b/chalk/ui/kis_birdeye_box.cpp
@@ -0,0 +1,311 @@
+/*
+ *  Copyright (c) 2004 Kivio Team
+ *  Copyright (c) 2004 Boudewijn Rempt <[email protected]>
+ *
+ *  This program 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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "tqlayout.h"
+#include "tqlabel.h"
+#include "tqpixmap.h"
+#include "tqpainter.h"
+#include "tqimage.h"
+#include "config.h"
+#include LCMS_HEADER
+#include "tdelocale.h"
+#include "tqtooltip.h"
+
+#include "kis_view.h"
+#include "kis_doc.h"
+#include "kis_canvas_controller.h"
+#include "kis_birdeye_box.h"
+#include "kis_double_widget.h"
+#include "kis_canvas.h"
+#include "kis_image.h"
+#include "kis_rect.h"
+#include "kis_iterators_pixel.h"
+
+#include "kobirdeyepanel.h"
+
+namespace {
+
+    class CanvasAdapter : public KoCanvasAdapter {
+    
+    public:
+        CanvasAdapter(KisCanvasSubject * canvasSubject) : KoCanvasAdapter(), m_canvasSubject(canvasSubject) {}
+        virtual ~CanvasAdapter() {}
+        
+    public:
+    
+        virtual KoRect visibleArea() 
+            {
+                if (!m_canvasSubject->currentImg()) return KoRect(0,0,0,0);
+                
+                KisCanvasController * c = m_canvasSubject->canvasController();
+                
+                if (c && c->kiscanvas())
+                    return c->viewToWindow(KisRect(0, 0, c->kiscanvas()->width(), c->kiscanvas()->height()));
+                else
+                    return KoRect(0,0,0,0);
+            }
+
+       virtual double zoomFactor()
+           {
+               return m_canvasSubject->zoomFactor();
+           }
+
+        virtual TQRect size() 
+            {
+                if (!m_canvasSubject->currentImg()) return TQRect(0,0,0,0);
+                
+                return TQRect(0, 0, m_canvasSubject->currentImg()->width(), m_canvasSubject->currentImg()->height()); 
+            }
+            
+        virtual void setViewCenterPoint(double x, double y) 
+            { 
+                m_canvasSubject->canvasController()->zoomAroundPoint(x, y, m_canvasSubject->zoomFactor());
+            }
+            
+    private:
+    
+        KisCanvasSubject * m_canvasSubject;
+    
+    };
+
+    class ZoomListener : public KoZoomAdapter {
+
+        public:
+
+            ZoomListener(KisCanvasController * canvasController)
+                : KoZoomAdapter()
+                , m_canvasController(canvasController) {}
+            virtual ~ZoomListener() {}
+
+        public:
+
+            void zoomTo( double x, double y, double factor ) { m_canvasController->zoomAroundPoint(x, y, factor); }
+            void zoomIn() { m_canvasController->zoomIn(); }
+            void zoomOut() { m_canvasController->zoomOut(); }
+            double getMinZoom() { return (1.0 / 500); }
+            double getMaxZoom() { return 16.0; }
+
+        private:
+
+            KisCanvasController * m_canvasController;
+
+    };
+
+    class ThumbnailProvider : public KoThumbnailAdapter {
+    
+        public:
+            ThumbnailProvider(KisImageSP image, KisCanvasSubject* canvasSubject)
+                : KoThumbnailAdapter()
+                , m_image(image)
+                , m_canvasSubject(canvasSubject) {}
+                
+            virtual ~ThumbnailProvider() {}
+            
+        public:
+        
+            virtual TQSize pixelSize()
+                {
+                    if (!m_image) return TQSize(0, 0);
+                    return TQSize(m_image->width(), m_image->height());
+                }
+                
+            virtual TQImage image(TQRect r, TQSize thumbnailSize)
+                {
+                    if (!m_image || r.isEmpty() || thumbnailSize.width() == 0 || thumbnailSize.height() == 0) {
+                        return TQImage();
+                    }
+
+                    KisPaintDevice thumbnailRect(m_image->colorSpace(), "thumbnailRect");
+                    KisPaintDeviceSP mergedImage = m_image->projection();
+                    
+                    TQ_INT32 imageWidth = m_image->width();
+                    TQ_INT32 imageHeight = m_image->height();
+                    TQ_UINT32 pixelSize = m_image->colorSpace()->pixelSize();
+
+                    for (TQ_INT32 y = 0; y < r.height(); ++y) {
+
+                        KisHLineIteratorPixel it = thumbnailRect.createHLineIterator(0, y, r.width(), true);
+                        TQ_INT32 thumbnailY = r.y() + y;
+                        TQ_INT32 thumbnailX = r.x();
+                        TQ_INT32 imageY = (thumbnailY * imageHeight) / thumbnailSize.height();
+                        KisHLineIteratorPixel srcIt = mergedImage -> createHLineIterator(0, imageY, imageWidth, false);
+
+                        while (!it.isDone()) {
+
+                            TQ_INT32 imageX = (thumbnailX * imageWidth) / thumbnailSize.width();
+                            TQ_INT32 dx = imageX - srcIt.x();
+                            srcIt += dx;
+
+                            //KisColor pixelColor = mergedImage->colorAt(imageX, imageY);
+                            memcpy(it.rawData(), srcIt.rawData(), pixelSize);
+
+                            ++it;
+                            ++thumbnailX;
+                        }
+                    }
+
+                    return thumbnailRect.convertToTQImage(m_canvasSubject->monitorProfile(), 0, 0, r.width(), r.height(), 
+                                                         m_canvasSubject->HDRExposure());
+                }
+
+            void setImage(KisImageSP image)
+                {
+                    m_image = image;
+                }
+        private:
+        
+            KisImageSP m_image;
+            KisCanvasSubject * m_canvasSubject;
+    
+    };
+
+}
+
+KisBirdEyeBox::KisBirdEyeBox(KisView * view, TQWidget* parent, const char* name)
+    : TQWidget(parent, name)
+        , m_view(view)
+        , m_subject(view->canvasSubject())
+{
+    TQVBoxLayout * l = new TQVBoxLayout(this);
+
+    m_image = m_subject->currentImg();
+
+    m_zoomAdapter = new ZoomListener(m_subject->canvasController()); // The birdeye panel deletes
+    KoThumbnailAdapter * ktp = new ThumbnailProvider(m_image, m_subject);  // The birdeye panel deletes
+    KoCanvasAdapter * kpc = new CanvasAdapter(m_subject);  // The birdeye panel deletes
+
+    m_birdEyePanel = new KoBirdEyePanel(m_zoomAdapter, ktp, kpc, this);
+
+    connect(view, TQT_SIGNAL(cursorPosition( TQ_INT32, TQ_INT32 )), m_birdEyePanel, TQT_SLOT(cursorPosChanged( TQ_INT32, TQ_INT32 )));
+    connect(view, TQT_SIGNAL(viewTransformationsChanged()), m_birdEyePanel, TQT_SLOT(slotViewTransformationChanged()));
+
+    l->addWidget(m_birdEyePanel);
+
+    TQHBoxLayout * hl = new TQHBoxLayout(l);
+
+    m_exposureLabel = new TQLabel(i18n("Exposure:"), this);
+    hl->addWidget(m_exposureLabel);
+
+    m_exposureDoubleWidget = new KisDoubleWidget(-10, 10, this);
+    m_exposureDoubleWidget->setSizePolicy(TQSizePolicy::Expanding, TQSizePolicy::Fixed);
+    hl->addWidget(m_exposureDoubleWidget);
+    TQToolTip::add(m_exposureDoubleWidget, i18n("Select the exposure (stops) for HDR images"));
+    l->addItem(new TQSpacerItem(0, 1, TQSizePolicy::Minimum, TQSizePolicy::MinimumExpanding));
+
+    m_exposureDoubleWidget->setPrecision(1);
+    m_exposureDoubleWidget->setValue(0);
+    m_exposureDoubleWidget->setLineStep(0.1);
+    m_exposureDoubleWidget->setPageStep(1);
+
+    connect(m_exposureDoubleWidget, TQT_SIGNAL(valueChanged(double)), TQT_SLOT(exposureValueChanged(double)));
+    connect(m_exposureDoubleWidget, TQT_SIGNAL(sliderPressed()), TQT_SLOT(exposureSliderPressed()));
+    connect(m_exposureDoubleWidget, TQT_SIGNAL(sliderReleased()), TQT_SLOT(exposureSliderReleased()));
+
+    m_draggingExposureSlider = false;
+
+    Q_ASSERT(m_subject->document() != 0);
+    connect(m_subject->document(), TQT_SIGNAL(sigCommandExecuted()), TQT_SLOT(slotDocCommandExecuted()));
+
+    if (m_image) {
+        connect(m_image, TQT_SIGNAL(sigImageUpdated(TQRect)), TQT_SLOT(slotImageUpdated(TQRect)));
+    }
+}
+
+KisBirdEyeBox::~KisBirdEyeBox()
+{
+    // Huh? Why does this cause a crash?
+    // delete m_zoomAdapter;
+}
+
+void KisBirdEyeBox::setImage(KisImageSP image)
+{
+    if (m_image) {
+        m_image->disconnect(this);
+    }
+
+    m_image = image;
+
+    KoThumbnailAdapter * ktp = new ThumbnailProvider(m_image, m_subject);
+    m_birdEyePanel->setThumbnailProvider(ktp);
+
+    if (m_image) {
+        connect(m_image, TQT_SIGNAL(sigImageUpdated(TQRect)), TQT_SLOT(slotImageUpdated(TQRect)));
+        connect(m_image, TQT_SIGNAL(sigSizeChanged(TQ_INT32, TQ_INT32)), TQT_SLOT(slotImageSizeChanged(TQ_INT32, TQ_INT32)));
+        connect(m_image, TQT_SIGNAL(sigColorSpaceChanged(KisColorSpace *)), TQT_SLOT(slotImageColorSpaceChanged(KisColorSpace *)));
+        m_birdEyePanel->slotUpdate(m_image->bounds());
+        slotImageColorSpaceChanged(m_image->colorSpace());
+    }
+}
+
+void KisBirdEyeBox::slotDocCommandExecuted()
+{
+    if (m_image) {
+        if (!m_dirtyRect.isEmpty()) {
+            m_birdEyePanel->slotUpdate(m_dirtyRect);
+        }
+        m_dirtyRect = TQRect();
+    }
+}
+
+void KisBirdEyeBox::slotImageUpdated(TQRect r)
+{
+    m_dirtyRect |= r;
+}
+
+void KisBirdEyeBox::slotImageSizeChanged(TQ_INT32 /*w*/, TQ_INT32 /*h*/)
+{
+    if (m_image) {
+        m_birdEyePanel->slotUpdate(m_image->bounds());
+    }
+}
+
+void KisBirdEyeBox::slotImageColorSpaceChanged(KisColorSpace *cs)
+{
+    if (cs->hasHighDynamicRange()) {
+        m_exposureDoubleWidget->show();
+        m_exposureLabel->show();
+    } else {
+        m_exposureDoubleWidget->hide();
+        m_exposureLabel->hide();
+    }
+}
+
+void KisBirdEyeBox::exposureValueChanged(double exposure)
+{
+    if (!m_draggingExposureSlider) {
+        m_subject->setHDRExposure(exposure);
+
+        if (m_image && m_image->colorSpace()->hasHighDynamicRange()) {
+            m_birdEyePanel->slotUpdate(m_image->bounds());
+        }
+    }
+}
+
+void KisBirdEyeBox::exposureSliderPressed()
+{
+    m_draggingExposureSlider = true;
+}
+
+void KisBirdEyeBox::exposureSliderReleased()
+{
+    m_draggingExposureSlider = false;
+    exposureValueChanged(m_exposureDoubleWidget->value());
+}
+
+#include "kis_birdeye_box.moc"