1 files changed, 180 insertions, 0 deletions
diff --git a/cui/source/inc/cuigrfflt.hxx b/cui/source/inc/cuigrfflt.hxx
new file mode 100644
index 000000000..122ac8772
--- /dev/null
+++ b/cui/source/inc/cuigrfflt.hxx
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <vcl/timer.hxx>
+#include <svx/dlgctrl.hxx>
+#include <svx/rectenum.hxx>
+
+class CuiGraphicPreviewWindow : public weld::CustomWidgetController
+{
+private:
+    const Graphic* mpOrigGraphic;
+    Size maOrigGraphicSizePixel;
+    Size maOutputSizePixel;
+    Link<LinkParamNone*,void>    maModifyHdl;
+    Graphic   maScaledOrig;
+    Graphic   maPreview;
+    double    mfScaleX;
+    double    mfScaleY;
+
+    virtual void Paint(vcl::RenderContext& rRenderContext, const ::tools::Rectangle& rRect) override;
+    virtual void Resize() override;
+
+    void ScaleImageToFit();
+
+public:
+    CuiGraphicPreviewWindow();
+    virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
+    void init(const Graphic* pOrigGraphic, const Link<LinkParamNone*,void>& rLink)
+    {
+        mpOrigGraphic = pOrigGraphic;
+        maModifyHdl = rLink;
+        maOrigGraphicSizePixel = GetDrawingArea()->get_ref_device().LogicToPixel(mpOrigGraphic->GetPrefSize(),
+                                                                                 mpOrigGraphic->GetPrefMapMode());
+        ScaleImageToFit();
+    }
+
+    void            SetPreview(const Graphic& rGraphic);
+    const Graphic&  GetScaledOriginal() const { return maScaledOrig; }
+    double          GetScaleX() const { return mfScaleX; }
+    double          GetScaleY() const { return mfScaleY; }
+    const Size&     GetGraphicSizePixel() const { return maOrigGraphicSizePixel; }
+};
+
+class GraphicFilterDialog : public weld::GenericDialogController
+{
+private:
+
+    Timer           maTimer;
+    Link<LinkParamNone*,void> maModifyHdl;
+    bool            bIsBitmap;
+
+    DECL_LINK( ImplPreviewTimeoutHdl, Timer *, void );
+    DECL_LINK( ImplModifyHdl, LinkParamNone*, void);
+
+    CuiGraphicPreviewWindow  maPreview;
+    std::unique_ptr<weld::CustomWeld> mxPreview;
+
+protected:
+    const Link<LinkParamNone*,void>&   GetModifyHdl() const { return maModifyHdl; }
+    const Size& GetGraphicSizePixel() const { return maPreview.GetGraphicSizePixel(); }
+
+public:
+
+    GraphicFilterDialog(weld::Window* pParent, const OUString& rUIXMLDescription, const OString& rID, const Graphic& rGraphic);
+    virtual Graphic GetFilteredGraphic(const Graphic& rGraphic, double fScaleX, double fScaleY) = 0;
+};
+
+class GraphicFilterSmooth : public GraphicFilterDialog
+{
+private:
+    std::unique_ptr<weld::SpinButton> mxMtrRadius;
+    DECL_LINK(EditModifyHdl, weld::SpinButton&, void);
+
+public:
+
+    GraphicFilterSmooth(weld::Window* pParent, const Graphic& rGraphic, double nRadius);
+    virtual Graphic GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) override;
+};
+
+class GraphicFilterMosaic : public GraphicFilterDialog
+{
+private:
+    std::unique_ptr<weld::MetricSpinButton> mxMtrWidth;
+    std::unique_ptr<weld::MetricSpinButton> mxMtrHeight;
+    std::unique_ptr<weld::CheckButton> mxCbxEdges;
+    DECL_LINK(CheckBoxModifyHdl, weld::Toggleable&, void);
+    DECL_LINK(EditModifyHdl, weld::MetricSpinButton&, void);
+public:
+
+    GraphicFilterMosaic(weld::Window* pParent, const Graphic& rGraphic,
+        sal_uInt16 nTileWidth, sal_uInt16 nTileHeight, bool bEnhanceEdges);
+
+    virtual Graphic GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) override;
+    bool            IsEnhanceEdges() const { return mxCbxEdges->get_active(); }
+};
+
+class GraphicFilterSolarize : public GraphicFilterDialog
+{
+private:
+    std::unique_ptr<weld::MetricSpinButton> mxMtrThreshold;
+    std::unique_ptr<weld::CheckButton> mxCbxInvert;
+    DECL_LINK(CheckBoxModifyHdl, weld::Toggleable&, void);
+    DECL_LINK(EditModifyHdl, weld::MetricSpinButton&, void);
+
+public:
+    GraphicFilterSolarize(weld::Window* pParent, const Graphic& rGraphic,
+                          sal_uInt8 nGreyThreshold, bool bInvert);
+    virtual Graphic GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) override;
+    bool            IsInvert() const { return mxCbxInvert->get_active(); }
+};
+
+class GraphicFilterSepia : public GraphicFilterDialog
+{
+private:
+    std::unique_ptr<weld::MetricSpinButton> mxMtrSepia;
+    DECL_LINK(EditModifyHdl, weld::MetricSpinButton&, void);
+public:
+    GraphicFilterSepia(weld::Window* pParent, const Graphic& rGraphic,
+                       sal_uInt16 nSepiaPercent);
+    virtual Graphic GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) override;
+};
+
+class GraphicFilterPoster : public GraphicFilterDialog
+{
+private:
+    std::unique_ptr<weld::SpinButton> mxNumPoster;
+    DECL_LINK(EditModifyHdl, weld::SpinButton&, void);
+public:
+    GraphicFilterPoster(weld::Window* pParent, const Graphic& rGraphic,
+                        sal_uInt16 nPosterColorCount);
+    virtual Graphic GetFilteredGraphic( const Graphic& rGraphic, double fScaleX, double fScaleY ) override;
+};
+
+class EmbossControl : public SvxRectCtl
+{
+private:
+    Link<LinkParamNone*, void> maModifyHdl;
+    virtual bool MouseButtonDown( const MouseEvent& rEvt ) override;
+    virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
+public:
+    EmbossControl()
+        : SvxRectCtl(nullptr)
+    {
+    }
+
+    void            SetModifyHdl( const Link<LinkParamNone*,void>& rHdl ) { maModifyHdl = rHdl; }
+};
+
+class GraphicFilterEmboss : public GraphicFilterDialog
+{
+private:
+    EmbossControl  maCtlLight;
+    std::unique_ptr<weld::CustomWeld> mxCtlLight;
+public:
+    GraphicFilterEmboss(weld::Window* pParent, const Graphic& rGraphic,
+                        RectPoint eLightSource);
+    virtual ~GraphicFilterEmboss() override;
+
+    virtual Graphic GetFilteredGraphic(const Graphic& rGraphic, double fScaleX, double fScaleY) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */