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https://bitbucket.org/mfeemster/fractorium.git
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d9d676393c
0.4.0.7 Beta 07/26/2014 --User Changes Color code xforms like Apo does. Change other aspects of xform color drawing. Add option to invert the Y axis to both the options final render dialogs. Coordinate Y axis setting with preview renders. Add option to show all xforms when dragging. Previously, only the current one was shown. Make final render dialog appear in the middle of the screen. Immediately draw yellow selection dot on mouse down. --Bug Fixes Resize final render dialog vertically if it's taller than the 90% of the desktop area.
77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
#pragma once
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#include "FractoriumEmberController.h"
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/// <summary>
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/// GLWidget class.
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/// </summary>
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class Fractorium;//Forward declaration since Fractorium uses this widget.
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static const float GridStep = 1.0f / 8.0f;
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/// <summary>
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/// The main drawing area.
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/// This uses the Qt wrapper around OpenGL to draw the output of the render to a texture whose
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/// size matches the size of the window.
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/// On top of that, the circles that represent the pre and post affine transforms for each xform are drawn.
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/// Based on values specified on the GUI, it will either draw the presently selected xform, or all of them.
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/// It can show/hide pre/post affine as well.
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/// The currently selected xform is drawn with a circle around it, with all others only showing their axes.
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/// The current xform is set by either clicking on it, or by changing the index of the xforms combo box on the main window.
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/// A problem here is that all drawing is done using the legacy OpenGL fixed function pipeline which is deprecated
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/// and even completely disabled on Mac OS. This will need to be replaced with shader programs for every draw operation.
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/// Since this window has to know about various states of the renderer and the main window, it retains pointers to
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/// the main window and several of its members.
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/// This class uses a controller-based design similar to the main window.
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/// </summary>
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class GLWidget : public QGLWidget, protected QOpenGLFunctions_2_0//QOpenGLFunctions_3_2_Compatibility//QOpenGLFunctions_3_2_Core//, protected QOpenGLFunctions
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{
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Q_OBJECT
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friend Fractorium;
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friend FractoriumEmberController<float>;
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friend FractoriumEmberController<double>;
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friend GLEmberControllerBase;
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friend GLEmberController<float>;
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friend GLEmberController<double>;
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public:
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GLWidget(QWidget* parent);
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~GLWidget();
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void DrawQuad();
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void SetMainWindow(Fractorium* f);
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bool Init();
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bool Drawing();
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GLuint OutputTexID();
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protected:
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virtual void initializeGL();
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virtual void paintGL();
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virtual void keyPressEvent(QKeyEvent* e);
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virtual void keyReleaseEvent(QKeyEvent* e);
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virtual void mousePressEvent(QMouseEvent* e);
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virtual void mouseReleaseEvent(QMouseEvent* e);
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virtual void mouseMoveEvent(QMouseEvent* e);
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virtual void wheelEvent(QWheelEvent* e);
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virtual void resizeEvent(QResizeEvent* e);
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private:
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bool Allocate(bool force = false);
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bool Deallocate();
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void SetViewport();
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void DrawGrid();
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void DrawUnitSquare();
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void DrawAffineHelper(int index, bool selected, bool pre, bool final, bool background);
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GLEmberControllerBase* GLController();
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bool m_Init;
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bool m_Drawing;
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GLint m_TexWidth;
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GLint m_TexHeight;
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GLint m_ViewWidth;
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GLint m_ViewHeight;
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GLuint m_OutputTexID;
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Fractorium* m_Fractorium;
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};
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