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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/.
*/
#ifndef INCLUDED_CHART2_SOURCE_VIEW_INC_GL3DBARCHART_HXX
#define INCLUDED_CHART2_SOURCE_VIEW_INC_GL3DBARCHART_HXX
#include "GL3DPlotterBase.hxx"
#include <deque>
#include <memory>
#include <vector>
#include <glm/glm.hpp>
#include <vcl/idle.hxx>
#include <vcl/openglwin.hxx>
#include <rtl/ref.hxx>
#include <osl/conditn.hxx>
namespace com { namespace sun { namespace star { namespace chart2 { class XChartType; } } } }
class Timer;
namespace chart {
class ExplicitCategoriesProvider;
namespace opengl3D {
class Renderable3DObject;
class OpenGL3DRenderer;
class TextCache;
class Camera;
}
enum RenderEventType
{
EVENT_NONE,
EVENT_CLICK,
EVENT_MOVE_TO_DEFAULT,
EVENT_DRAG_LEFT,
EVENT_DRAG_RIGHT,
EVENT_SCROLL,
EVENT_SHOW_SCROLL,
EVENT_SHOW_SELECT,
EVENT_AUTO_FLY,
EVENT_SELECTBAR_UPDEDATE
};
class RenderThread;
class RenderOneFrameThread;
class RenderAnimationThread;
class GL3DBarChart : public GL3DPlotterBase, public IRenderer
{
friend class RenderThread;
friend class RenderOneFrameThread;
friend class RenderAnimationThread;
friend class RenderBenchMarkThread;
public:
GL3DBarChart(
const css::uno::Reference<css::chart2::XChartType>& xChartType,
OpenGLWindow* pContext);
virtual ~GL3DBarChart() override;
virtual void create3DShapes(const std::vector<std::unique_ptr<VDataSeries>>& rDataSeries,
ExplicitCategoriesProvider& rCatProvider) override;
virtual void render() override;
/// Render one frame of the 3D bar chart.
void renderFrame();
virtual void update() override;
/// Draw to the framebuffer context, and provide the ID of the bar that the user has clicked.
sal_uInt32 barIdAtPosition(const Point& rPos);
virtual void clickedAt(const Point& rPos, sal_uInt16 nButtons) override;
virtual void mouseDragMove(const Point& rStartPos, const Point& rEndPos, sal_uInt16 nButtons) override;
virtual void scroll(long nDelta) override;
virtual void contextDestroyed() override;
void setOpenGLWindow(OpenGLWindow* pWindow);
private:
void spawnRenderThread(RenderThread *pThread);
void joinRenderThread();
void moveToCorner();
void moveToDefault();
glm::vec3 getCornerPosition(sal_Int8 nCornerId);
void updateScreenText();
void updateRenderFPS();
void updateDataUpdateFPS();
DECL_LINK(UpdateTimerHdl, Timer*, void);
static int calcTimeInterval(TimeValue const &startTime, TimeValue const &endTime);
float addScreenTextShape(OUString &nStr, const glm::vec2& rLeftOrRightTop, float nTextHeight, bool bLeftTopFlag,
const glm::vec4& rColor,
const glm::vec3& rPos = glm::vec3(0.0f, 0.0f, 0.0f),
sal_uInt32 nEvent = 0);
void recordBarHistory(sal_uInt32 nBarID, float nVal);
void updateClickEvent();
void calcDistance(std::vector<sal_uInt32> &vectorNearest);
static float calcScrollDistance(const glm::mat4 &mvp, const glm::vec3& rPos);
void initDistanceHeap(std::vector<sal_uInt32> &vectorNearest);
void keepHeap(std::vector<sal_uInt32> &vectorNearest, int index);
static void swapVector(int i, int j, std::vector<sal_uInt32> &vectorNearest);
void getNearestBars(std::vector<sal_uInt32> &vectorNearest);
void updateScroll();
void processAutoFly(sal_uInt32 nId, Color nColor);
void getNeighborBarID(sal_uInt32 nSelectBarId, sal_uInt32 *pNeighborBarId);
void addMovementScreenText(sal_uInt32 nBarId);
css::uno::Reference<css::chart2::XChartType> mxChartType;
std::vector<std::unique_ptr<opengl3D::Renderable3DObject> > maShapes;
std::unique_ptr<opengl3D::OpenGL3DRenderer> mpRenderer;
VclPtr<OpenGLWindow> mpWindow;
opengl3D::Camera* mpCamera;
bool mbValidContext;
std::unique_ptr<opengl3D::TextCache> mpTextCache;
glm::vec3 maCameraPosition;
glm::vec3 maCameraDirection;
glm::vec3 maDefaultCameraPosition;
glm::vec3 maDefaultCameraDirection;
float mnMaxX;
float mnMaxY;
float mnDistance;
/**
* 0 = corner at (0,0,0);
* numbering counter clockwise
*/
sal_Int8 mnCornerId;
std::vector<OUString> maCategories;
std::vector<OUString> maSeriesNames;
struct BarInformation
{
glm::vec3 maPos;
float mnVal;
BarInformation(const glm::vec3& rPos, float nVal);
};
std::map<sal_uInt32, const BarInformation> maBarMap;
bool mbNeedsNewRender;
bool mbCameraInit;
osl::Mutex maMutex;
rtl::Reference<RenderThread> mpRenderThread;
bool mbRenderDie;
::osl::Condition maClickCond;
RenderEventType maRenderEvent;
RenderEventType maPreRenderEvent;
sal_uInt32 mnSelectBarId;
sal_uInt32 mnPreSelectBarId;
Point maClickPos;
sal_uInt32 miScrollRate;
bool mbScrollFlg;
Idle maIdle;
bool mbScreenTextNewRender;
std::vector<std::unique_ptr<opengl3D::Renderable3DObject>> maScreenTextShapes;
OUString maFPS;
OUString maDataUpdateFPS;
sal_uInt32 miFrameCount;
sal_uInt32 miDataUpdateCounter;
TimeValue maFPSRenderStartTime;
TimeValue maFPSRenderEndTime;
TimeValue maDataUpdateStartTime;
TimeValue maDataUpdateEndTime;
std::map<sal_uInt32, std::deque<float> > maBarHistory;
std::vector<sal_uInt32> maVectorNearest;
std::map<sal_uInt32, float> maDistanceMap;
std::map<sal_uInt32, Color> maBarColorMap;
int mnColorRate;
bool mbBenchMarkMode;
sal_uInt32 mnHistoryCounter;
sal_uInt32 mnBarsInRow;
bool mbAutoFly;
sal_Int32 mnUpdateBarId;
// these form a pair:
// main thread sets condition 1 and waits until it can take the mutex
// render thread checks condition 1 before taking the mutex and waits in case it
// is set until condition 2 is set
//
// only necessary for the benchmark mode
osl::Condition maCond1;
osl::Condition maCond2;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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