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/* -*- 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 .
*/
#include <svx/diagram/IDiagramHelper.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svdhdl.hxx>
#include <svx/svdmrkv.hxx>
#include <svx/svdpagv.hxx>
#include <svx/sdrpagewindow.hxx>
#include <svx/sdrpaintwindow.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/primitivetools2d.hxx>
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <drawinglayer/attribute/lineattribute.hxx>
#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolygonStrokePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <comphelper/dispatchcommand.hxx>
#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
#include <officecfg/Office/Common.hxx>
#include <svx/strings.hrc>
#include <svx/dialmgr.hxx>
namespace {
// helper to create the geometry for a rounded polygon, maybe
// containing a Lap positioned inside top-left for some text
basegfx::B2DPolygon createRoundedPolygon(
const basegfx::B2DRange& rRange,
double fDistance,
bool bCreateLap,
double fTextWidth)
{
basegfx::B2DPolygon aRetval;
// TopLeft rounded edge
aRetval.append(
basegfx::utils::createPolygonFromEllipseSegment(
basegfx::B2DPoint(rRange.getMinX(), rRange.getMinY()),
fDistance,
fDistance,
M_PI * 1.0,
M_PI * 1.5));
// create Lap topLeft inside
if(bCreateLap)
{
const double fLapLeft(rRange.getMinX() + fDistance);
double fLapRight(rRange.getMinX() + (rRange.getWidth() * 0.5) - fDistance);
const double fLapTop(rRange.getMinY() - fDistance);
const double fLapBottom(fLapTop + (fDistance * 2.0));
const double fExtendedTextWidth(fTextWidth + (fDistance * 3.0));
if(0.0 != fExtendedTextWidth && fLapLeft + fExtendedTextWidth < fLapRight)
{
fLapRight = fLapLeft + fExtendedTextWidth;
}
aRetval.append(basegfx::B2DPoint(fLapLeft, fLapTop));
aRetval.append(basegfx::B2DPoint(fLapLeft + (fDistance * 0.5), fLapBottom));
aRetval.append(basegfx::B2DPoint(fLapRight - (fDistance * 0.5), fLapBottom));
aRetval.append(basegfx::B2DPoint(fLapRight, fLapTop));
}
// TopRight rounded edge
aRetval.append(
basegfx::utils::createPolygonFromEllipseSegment(
basegfx::B2DPoint(rRange.getMaxX(), rRange.getMinY()),
fDistance,
fDistance,
M_PI * 1.5,
M_PI * 0.0));
// BottomRight rounded edge
aRetval.append(
basegfx::utils::createPolygonFromEllipseSegment(
basegfx::B2DPoint(rRange.getMaxX(), rRange.getMaxY()),
fDistance,
fDistance,
M_PI * 0.0,
M_PI * 0.5));
// BottomLeft rounded edge
aRetval.append(
basegfx::utils::createPolygonFromEllipseSegment(
basegfx::B2DPoint(rRange.getMinX(), rRange.getMaxY()),
fDistance,
fDistance,
M_PI * 0.5,
M_PI * 1.0));
aRetval.setClosed(true);
return aRetval;
}
// helper primitive to create/show the overlay geometry for a DynamicDiagram
class OverlayDiagramPrimitive final : public drawinglayer::primitive2d::DiscreteMetricDependentPrimitive2D
{
private:
basegfx::B2DHomMatrix maTransformation; // object dimensions
double mfDiscreteDistance; // distance from object in pixels
double mfDiscreteGap; // gap/width of visualization in pixels
Color maColor; // base color (made lighter/darker as needed, should be system selection color)
virtual void create2DDecomposition(
drawinglayer::primitive2d::Primitive2DContainer& rContainer,
const drawinglayer::geometry::ViewInformation2D& rViewInformation) const override;
public:
OverlayDiagramPrimitive(
const basegfx::B2DHomMatrix& rTransformation,
double fDiscreteDistance,
double fDiscreteGap,
Color const & rColor);
virtual sal_uInt32 getPrimitive2DID() const override;
};
void OverlayDiagramPrimitive::create2DDecomposition(
drawinglayer::primitive2d::Primitive2DContainer& rContainer,
const drawinglayer::geometry::ViewInformation2D& /*rViewInformation*/) const
{
// get the dimensions. Do *not* take rotation/shear into account,
// this is intended to be a pure expanded/frame visualization as
// needed in UI for simplified visualization
basegfx::B2DRange aRange(0.0, 0.0, 1.0, 1.0);
aRange.transform(maTransformation);
basegfx::B2DPolyPolygon aPolyPolygon;
const double fInnerDistance(mfDiscreteDistance * getDiscreteUnit());
const double fOuterDistance((mfDiscreteDistance + mfDiscreteGap) * getDiscreteUnit());
bool bCreateLap(true);
basegfx::B2DPolyPolygon aTextAsPolyPolygon;
double fTextWidth(0.0);
// initially try to create lap
if(bCreateLap)
{
// take a resource text (for now existing one that fits)
const OUString aName(SvxResId(RID_STR_DATANAV_EDIT_ELEMENT));
drawinglayer::primitive2d::TextLayouterDevice aTextLayouter;
basegfx::B2DPolyPolygonVector aTarget;
std::vector<double> aDXArray;
// to simplify things for now, do not create a TextSimplePortionPrimitive2D
// and needed FontAttribute, just get the TextOutlines as geometry
aTextLayouter.getTextOutlines(
aTarget,
aName,
0,
aName.getLength(),
aDXArray,
{});
// put into one PolyPolygon (also simplification - overlapping chars
// may create XOR gaps, so these exist for a reason, but low probability)
for (auto const& elem : aTarget)
{
aTextAsPolyPolygon.append(elem);
}
// get text dimensions & transform to destination
const basegfx::B2DRange aTextRange(aTextAsPolyPolygon.getB2DRange());
basegfx::B2DHomMatrix aTextTransform;
aTextTransform.translate(aTextRange.getMinX(), aTextRange.getMinY());
const double fTargetTextHeight((mfDiscreteDistance + mfDiscreteGap - 2.0) * getDiscreteUnit());
const double fTextScale(fTargetTextHeight / aTextRange.getHeight());
aTextTransform.scale(fTextScale, fTextScale);
aTextTransform.translate(
aRange.getMinX() + (fInnerDistance * 2.0),
aRange.getMinY() + fTargetTextHeight + (fOuterDistance - fInnerDistance) - (2.0 * getDiscreteUnit()));
aTextAsPolyPolygon.transform(aTextTransform);
// check text size/position
fTextWidth = aTextRange.getWidth() * fTextScale;
const double fLapLeft(aRange.getMinX() + fInnerDistance);
const double fLapRight(aRange.getMinX() + (aRange.getWidth() * 0.5) - fInnerDistance);
// if text is too big, do not create a Lap at all
// to avoid trouble. It is expected that the user keeps
// the object he works with big enough to do useful actions
if(fTextWidth + (4.0 * getDiscreteUnit()) > fLapRight - fLapLeft)
bCreateLap = false;
}
// create outer polygon
aPolyPolygon.append(
createRoundedPolygon(
aRange,
fOuterDistance,
false,
0.0));
// create inner polygon, maybe with Lap
aPolyPolygon.append(
createRoundedPolygon(
aRange,
fInnerDistance,
bCreateLap,
fTextWidth));
Color aFillColor(maColor);
Color aLineColor(maColor);
aFillColor.IncreaseLuminance(10);
aLineColor.DecreaseLuminance(30);
const drawinglayer::attribute::LineAttribute aLineAttribute(
aLineColor.getBColor(),
1.0 * getDiscreteUnit());
// filled polygon as BG (may get transparence for better look ?)
rContainer.push_back(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
aPolyPolygon,
aFillColor.getBColor()));
// outline polygon for visibility (may be accentuated shaded
// top/left, would require alternative creation)
rContainer.push_back(
new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
std::move(aPolyPolygon),
aLineAttribute));
// top-left line pattern (as grep-here-sign to signal
// that this construct may be also dragged by the user)
const double fLapLeft(aRange.getMinX() + fInnerDistance);
const double fLapRight(aRange.getMinX() + (aRange.getWidth() * 0.5) - fInnerDistance);
const double fLapUp(aRange.getMinY() - ((mfDiscreteDistance + mfDiscreteDistance * 0.666) * getDiscreteUnit()));
const double fLapDown(aRange.getMinY() - ((mfDiscreteDistance + mfDiscreteDistance * 0.333) * getDiscreteUnit()));
basegfx::B2DPolygon aPolygonLapUp;
aPolygonLapUp.append(basegfx::B2DPoint(fLapLeft, fLapUp));
aPolygonLapUp.append(basegfx::B2DPoint(fLapRight, fLapUp));
basegfx::B2DPolygon aPolygonLapDown;
aPolygonLapDown.append(basegfx::B2DPoint(fLapLeft, fLapDown));
aPolygonLapDown.append(basegfx::B2DPoint(fLapRight, fLapDown));
drawinglayer::attribute::StrokeAttribute aStrokeAttribute({ 2.0 * getDiscreteUnit(), 2.0 * getDiscreteUnit() });
rContainer.push_back(
new drawinglayer::primitive2d::PolygonStrokePrimitive2D(
std::move(aPolygonLapUp),
aLineAttribute,
aStrokeAttribute));
rContainer.push_back(
new drawinglayer::primitive2d::PolygonStrokePrimitive2D(
std::move(aPolygonLapDown),
aLineAttribute,
std::move(aStrokeAttribute)));
// add text last. May use darker text color, go for same color
// as accentuation line for now
if(bCreateLap && 0 != aTextAsPolyPolygon.count())
{
rContainer.push_back(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
std::move(aTextAsPolyPolygon),
aLineColor.getBColor()));
}
}
OverlayDiagramPrimitive::OverlayDiagramPrimitive(
const basegfx::B2DHomMatrix& rTransformation,
double fDiscreteDistance,
double fDiscreteGap,
Color const & rColor)
: drawinglayer::primitive2d::DiscreteMetricDependentPrimitive2D()
, maTransformation(rTransformation)
, mfDiscreteDistance(fDiscreteDistance)
, mfDiscreteGap(fDiscreteGap)
, maColor(rColor)
{
}
sal_uInt32 OverlayDiagramPrimitive::getPrimitive2DID() const
{
return PRIMITIVE2D_ID_OVERLAYDIAGRAMPRIMITIVE2D;
}
// helper object for DiagramOverlay
class OverlayDiagramFrame final : public sdr::overlay::OverlayObject
{
private:
basegfx::B2DHomMatrix maTransformation; // object dimensions
Color maColor; // base color
virtual drawinglayer::primitive2d::Primitive2DContainer createOverlayObjectPrimitive2DSequence() override;
public:
explicit OverlayDiagramFrame(
const basegfx::B2DHomMatrix& rTransformation,
Color const & rColor);
};
OverlayDiagramFrame::OverlayDiagramFrame(
const basegfx::B2DHomMatrix& rTransformation,
const Color& rColor)
: sdr::overlay::OverlayObject(rColor)
, maTransformation(rTransformation)
, maColor(rColor)
{
}
drawinglayer::primitive2d::Primitive2DContainer OverlayDiagramFrame::createOverlayObjectPrimitive2DSequence()
{
drawinglayer::primitive2d::Primitive2DContainer aReturnContainer;
if ( !officecfg::Office::Common::Misc::ExperimentalMode::get() )
return aReturnContainer;
if (getOverlayManager())
{
aReturnContainer = drawinglayer::primitive2d::Primitive2DContainer {
new OverlayDiagramPrimitive(
maTransformation,
8.0, // distance from geometry in pixels
8.0, // gap/width of visualization in pixels
maColor) };
}
return aReturnContainer;
}
} // end of anonymous namespace
namespace svx { namespace diagram {
void DiagramFrameHdl::clicked(const Point& /*rPnt*/)
{
// this may check for a direct hit at the text later
// and only then take action. That would require
// to evaluate & keep that (maybe during creation).
// For now, just trigger to open the Dialog
comphelper::dispatchCommand(".uno:EditDiagram", {});
}
void DiagramFrameHdl::CreateB2dIAObject()
{
// first throw away old one
GetRidOfIAObject();
SdrMarkView* pView = pHdlList->GetView();
if(!pView || pView->areMarkHandlesHidden())
return;
SdrPageView* pPageView = pView->GetSdrPageView();
if(!pPageView)
return;
for(sal_uInt32 b(0); b < pPageView->PageWindowCount(); b++)
{
const SdrPageWindow& rPageWindow = *pPageView->GetPageWindow(b);
if(rPageWindow.GetPaintWindow().OutputToWindow())
{
const rtl::Reference< sdr::overlay::OverlayManager >& xManager = rPageWindow.GetOverlayManager();
if (xManager.is())
{
OutputDevice& rOutDev(rPageWindow.GetPaintWindow().GetOutputDevice());
const StyleSettings& rStyles(rOutDev.GetSettings().GetStyleSettings());
Color aFillColor(rStyles.GetHighlightColor());
std::unique_ptr<sdr::overlay::OverlayObject> pNewOverlayObject(
new OverlayDiagramFrame(
maTransformation,
aFillColor));
// OVERLAYMANAGER
insertNewlyCreatedOverlayObjectForSdrHdl(
std::move(pNewOverlayObject),
rPageWindow.GetObjectContact(),
*xManager);
}
}
}
}
DiagramFrameHdl::DiagramFrameHdl(const basegfx::B2DHomMatrix& rTransformation)
: SdrHdl(Point(), SdrHdlKind::Move)
, maTransformation(rTransformation)
{
}
IDiagramHelper::IDiagramHelper()
: mbUseDiagramThemeData(false)
, mbUseDiagramModelData(true)
, mbForceThemePtrRecreation(false)
{
}
IDiagramHelper::~IDiagramHelper() {}
void IDiagramHelper::anchorToSdrObjGroup(SdrObjGroup& rTarget)
{
rTarget.mp_DiagramHelper.reset(this);
}
void IDiagramHelper::AddAdditionalVisualization(const SdrObjGroup& rTarget, SdrHdlList& rHdlList)
{
// create an extra frame visualization here
basegfx::B2DHomMatrix aTransformation;
basegfx::B2DPolyPolygon aPolyPolygon;
rTarget.TRGetBaseGeometry(aTransformation, aPolyPolygon);
std::unique_ptr<SdrHdl> pHdl(new DiagramFrameHdl(aTransformation));
rHdlList.AddHdl(std::move(pHdl));
}
}} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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