Defines OpenGL display class for MGCL objects. [詳解]

公開メンバ関数
	MGOpenGLView (bool perspective=true)

	MGOpenGLView (const MGglViewAttrib &glatr)
	Construct from MGglViewAttrib. [詳解]

virtual	~MGOpenGLView ()

int	attach_drawer (mgVBO *drawer, bool common=true)

void	detach_drawer (mgVBO *drawer, bool common=true)
	Detach the atttached mgVBO. [詳解]

void	copy (const MGOpenGLView &glview2)

void	copy (const MGglViewAttrib &glatr)
	copy the attributes in glatr into this. [詳解]

const MGColor &	Bcolor () const

const MGColor &	Gcolor () const

const MGPosition &	center () const
	return the center of the box of this view. [詳解]

const MGConstructionPlane &	cplane () const

MGConstructionPlane &	cplane ()

bool	DeleteDisplayList_by_function (int fc)
	delete system display list by the function code. [詳解]

bool	DeleteDisplayList_by_function_object_code (int fc, const MGGel *gel)

double	diameter () const
	Obtainthe the diameter of the sphere that surround the whole model. [詳解]

const MGDrawParam &	draw_param () const

MGDrawParam &	draw_param ()

int	line_density () const
	Return line density for a surface to draw in wire mode. [詳解]

void	execDefaultStaticAttrib ()

void	drawScene (const MGPickObjects *pobjs=0)

void	enable_grid_snap (bool bEnabled)

const MGPosition &	eye_position () const
	Get the eye position. [詳解]

void	get_model_matrix (glm::mat4 &modelMat) const
	get ModelView matrix of OpenGL. [詳解]

void	get_projection_matrix (const int vp[4], glm::mat4 &projMat) const
	get projection matrix, given the viewport data [詳解]

bool	get_surface_parameter_glv (const MGFSurface &surf, int sx, int sy, MGPosition &uv) const

mgSysGL *	getSysGLByFunctionCode (int fc)

void	get_viewport (glm::ivec4 &vp) const
	get viewport of OpenGL. [詳解]

void	get_viewport (int vp[4]) const

void	get_window (int &width, int &height) const
	get window(m_width, m_height); [詳解]

HDC	getHDC () const
	Get redering context. [詳解]

HGLRC	getRC () const
	Get redering context. [詳解]

MGOpenGLView *	get_parent_OpenGLView ()
	Set the parent MGOpenGLView. [詳解]

const MGOpenGLView *	get_parent_OpenGLView () const

bool	has_parent_OpenGLView () const

bool	has_display_list () const
	Test if this has a display list to draw. [詳解]

void	home ()
	Transform to the home position. [詳解]

void	import_context (const MGContext &ctx)
	Import MGOpenGLView data from MGContext. [詳解]

void	importViewAttribFromContext (const MGContext &ctx)

void	importDrawAttribFromContext (const MGContext &ctx)

void	importGridAttrib (const MGContext &ctx)

void	initializeViewingEnvironmentByBox (const MGBox &box)

void	initialize_viewing_environment (const MGPlane &plane, double diameter, bool rotate=false)

bool	is_enabled_grid_snap () const

bool	is_perspective () const
	Return if this is a perspective view or not. [詳解]

MGPosition	locate_glv (int x, int y, MGPosition *uv=0) const

void	make_construction_plane (const MGPosition &mid, const MGVector &uderi, const MGVector &vderi, double uspan, double vspan, int ulnum, int lnum)

void	make_display_list (const MGContext &ctx, const MGGroup &grp)

void	mglTranslate (const glm::vec3 &vec)

void	mglRotate (float angle, const glm::vec3 &axis)

void	mglScale (const glm::vec3 &factor)
	angle's unit is degree. [詳解]

void	pan_zoom (int x0, int y0, int x1, int y1)

void	pan_zoom (const MGBox &box)

MGPickObjects	pick_glv (const float center[2], float aperturex=-1., float aperturey=-1., const MGAbstractGels &objtype=mgAll_Object)

int	pick_start_end_glv (const MGCurve &curve, int sx, int sy)

int	pick_perimeter_glv (const MGSurface &surf, int sx, int sy, MGPosition *uv=0, float aperturex=-1., float aperturey=-1.)

const MGEdge *	pick_edge_glv (const MGFace &f, int sx, int sy, MGPosition *uv=0, float aperturex=-1., float aperturey=-1.)

float	pick_aperture () const
	Get the pick aperture. [詳解]

int	pick_to_select_buf (const float center[2], const float delta[2], mgVBO *display_list, std::set< unsigned > &selected)
	Function's return value is the number of hit objects. [詳解]

void	project (const MGPosition &world, MGPosition &screen, const glm::mat4 modelMat=0, const glm::mat4 projlMat=0, const glm::ivec4 *vp=0) const

mgSysGL *	push_back_to_sysgl (int fc, const MGGel *oi=0)

mgSysGL *	push_front_to_sysgl (int fc, const MGGel *oi=0)

void	push_back_to_sysgl (mgSysGL *sysgl)

void	rotate (float angle, float x, float y, float z)

void	rotate (float angle, float vector[3], const MGPosition &center)

void	rotate (const float angle[2])

void	scale (double factor, int *center=0)
	Scale the current view by the factor and the view center. [詳解]

void	set_center (const MGPosition &pos)

void	set_center_current (int x, int y)

void	set_line_density (int line_density=1)
	Set line density for a surface to draw in wire mode. [詳解]

void	setDrawParam (const MGContext &ctx)

void	setProjectionMat2GLSL (bool initialize=false)

void	setModelViewMat2GLSL ()
	Set Model_View matrix of OpenGL(setUniform). [詳解]

void	setNdcMat2GLSL ()
	Set ndc factors. [詳解]

void	set_output_dpi (float dpi)

float	get_output_dpi ()

void	setDpiFactor2GLSL ()

void	setEyePositionUpVector (const MGPosition &eyeP, const MGVector &upVector)
	Set m_eyeP and m_up_vector(the eye position and view-up-vector of the OpenGL). [詳解]

void	set_parent_OpenGLView (MGOpenGLView *parent=0)
	Set the parent MGOpenGLView. [詳解]

void	setBcolor (const MGColor &color)
	Set background color;. [詳解]

void	set_fovy (double fovy)

void	setGcolor (const MGColor &color)
	Set default object color;. [詳解]

void	set_pick_aperture (double pick_aperture)

void	set_pick_aperture (float pick_aperture)

void	set_smooth (float smooth)
	set the smooth factor of this view. [詳解]

void	set_window (int width, int height)

void	setProjModelViewMat2GLSL ()
	Set ProjModelView matrix to GLSL using setUniform();. [詳解]

float	smooth () const
	Get the smooth factor of this view. [詳解]

double	span_length () const
	Get the draw span length(approximate line segment length to draw curves). [詳解]

void	translate (double dx, double dy)
	Translate the current view by (dx, dy). [詳解]

void	translate_without_scale (double dx, double dy)
	Translate the current view by (dx, dy) without current scale. [詳解]

void	unproject (int x, int y, MGStraight &sl, MGCSisect &is) const

void	unproject_to_sl_glv (int x, int y, MGStraight &sl) const

const MGVector &	view_up_vector () const
	Get the view up vector. [詳解]

double	view_volume_far () const
	compute the view volume far. [詳解]

double	view_volume_height () const
	compute the view volume height. [詳解]

double	view_volume_near () const
	compute the view volume near. [詳解]

double	get_scale ()

void	get_near_position (const MGCurve *crv, const float center[2], double &t)

mgVBO *	display_list ()
	Return display list name that shows all of the objects in this view. [詳解]

void	set_display_list (mgVBO *dlist)
	Update display list name that shows all of the objects in this view. [詳解]

void	setViewMode (MGCL::VIEWMODE vmode=MGCL::WIRE)
	Set view mode. [詳解]

void	makeRCCurrent () const

void	setDCRC (HDC dc, HGLRC rc)
	Set redering context. [詳解]

void	setupDrawEnv (const MGColor &backColor, bool selection=false)
	Set up drawing environment. [詳解]

void	screen_to_world (int wh[2], double sx, double sy, double &wx, double &wy) const

const MGglViewAttrib &	viewAttrib () const

MGglViewAttrib &	viewAttrib ()

MGCL::VIEWMODE	viewMode () const

静的公開メンバ関数
static const MGColor &	Hcolor ()

static MGOpenGLView *	getCurrentOpenGLView ()
	Get the current active MGOpenGLView. [詳解]

static void	setHcolor (const MGColor &color)
	Set hilight color;. [詳解]

公開変数類
mgSysGLList	m_sysgllist
	System display list manager. [詳解]

限定公開メンバ関数
void	highlight (const MGPickObjects *pobjsP)

void	set_perspective (bool pers, double fovy=45.)
	Set if this view is a perspective view(true), or orthnormal view(false). [詳解]

限定公開変数類
int	m_width
	アトリビュート [詳解]

int	m_height

MGOpenGLView *	m_parent_glView
	0. [詳解]

mgVBO *	m_display_list

HGLRC	m_hRC
	Rendering context. [詳解]

HDC	m_hDC
	Device Context. [詳解]

MGColor	m_Bcolor
	Background color. [詳解]

MGColor	m_Gcolor
	Object lines color. [詳解]

float	m_smooth

float	m_pick_aperture
	Pick aperture. Number of pixels to allow picking. [詳解]

MGglViewAttrib	m_viewAttrib
	Attributes that are saved to .mgl file. [詳解]

glm::mat4	m_lookAtMat
	and view_up_vector(). [詳解]

glm::vec3	m_XAxis_current
	the current unprojected straight line of the input cursor is set. [詳解]

glm::vec3	m_center_current
	Current center after transformations(a point on m_unprojectSL_current). [詳解]

glm::vec3	m_up_vector_current

glm::mat4	m_projMat

float	m_dpi
	Projection matrix to set into uniform. [詳解]

詳解

Defines OpenGL display class for MGCL objects.

MGOpenGLView provides various functions to draw or render pictures of MGCL objects in MFC's CGLView windows.

構築子と解体子

MGOpenGLView::MGOpenGLView ( bool perspective = true )

引数

perspective indicates if the view is pespective or not.

MGOpenGLView::MGOpenGLView ( const MGglViewAttrib & glatr )

Construct from MGglViewAttrib.

virtual MGOpenGLView::~MGOpenGLView ( )

virtual

関数詳解

int MGOpenGLView::attach_drawer	(	mgVBO *	drawer,
		bool	common = `true`
	)

Attach to VBO reference to Command Drawer list. Function's return value is the number of drawer's attached after attached.

引数

drawer	The target graphic object.
common	if true, drawer is attachd as common picture for all the sibling window. if flase, drawer is attached to this specific pictures.

const MGColor& MGOpenGLView::Bcolor ( ) const

Get color values, Bcolor:background color, Gcolor:Object color, Hcolor:hilighted object color of this OpenGLView.

const MGPosition& MGOpenGLView::center ( ) const

inline

return the center of the box of this view.

void MGOpenGLView::copy ( const MGOpenGLView & glview2 )

Copy the informations of glview2 into this. Data that is not copied from glview2 are: m_sysgllist. m_hRC and m_hDC can be set using setDCRC(). m_sysgllist must be made by invoking openGL's display list generation functions.

void MGOpenGLView::copy ( const MGglViewAttrib & glatr )

copy the attributes in glatr into this.

const MGConstructionPlane& MGOpenGLView::cplane ( ) const

inline

MGConstructionPlane& MGOpenGLView::cplane ( )

inline

bool MGOpenGLView::DeleteDisplayList_by_function ( int fc )

inline

delete system display list by the function code.

bool MGOpenGLView::DeleteDisplayList_by_function_object_code	(	int	fc,
		const MGGel *	gel
	)

inline

void MGOpenGLView::detach_drawer	(	mgVBO *	drawer,
		bool	common = `true`
	)

Detach the atttached mgVBO.

引数

drawer	The target graphic object.
common	if true, drawer is attachd as common picture for all the sibling window. if flase, drawer is attached to this specific pictures.

double MGOpenGLView::diameter ( ) const

inline

Obtainthe the diameter of the sphere that surround the whole model.

mgVBO* MGOpenGLView::display_list ( )

Return display list name that shows all of the objects in this view.

const MGDrawParam& MGOpenGLView::draw_param ( ) const

MGDrawParam& MGOpenGLView::draw_param ( )

void MGOpenGLView::drawScene ( const MGPickObjects * pobjs = 0 )

Draw the scene defined in this view including the current objects as hilighted. drawScene will invoke makeRCCurrent();

void MGOpenGLView::enable_grid_snap ( bool bEnabled )

Enable when bEnabled=true, else disable grid snap. When bEnabled=true, cpnlane is enbaled.

void MGOpenGLView::execDefaultStaticAttrib ( )

const MGPosition& MGOpenGLView::eye_position ( ) const

inline

Get the eye position.

const MGColor& MGOpenGLView::Gcolor ( ) const

void MGOpenGLView::get_model_matrix ( glm::mat4 & modelMat ) const

get ModelView matrix of OpenGL.

void MGOpenGLView::get_near_position	(	const MGCurve *	crv,
		const float	center[2],
		double &	t
	)

Compute the nearest point parameter value of crv to the point center. center's data is given by the screen coordinate of this current screen.

引数

crv	Target curve.
center	screen coordinates whose origin is (left, bottom).
t	parameter value of the curve crv near to (sx,sy) will be returned.

float MGOpenGLView::get_output_dpi ( )

inline

MGOpenGLView* MGOpenGLView::get_parent_OpenGLView ( )

inline

Set the parent MGOpenGLView.

const MGOpenGLView* MGOpenGLView::get_parent_OpenGLView ( ) const

inline

void MGOpenGLView::get_projection_matrix	(	const int	vp[4],
		glm::mat4 &	projMat
	)		const

get projection matrix, given the viewport data

引数

vp	viewport data ={left, bottom, widht, height}

double MGOpenGLView::get_scale ( )

inline

bool MGOpenGLView::get_surface_parameter_glv	(	const MGFSurface &	surf,
		int	sx,
		int	sy,
		MGPosition &	uv
	)		const

Get the surface parameter value uv(u,v) where screen coordinate (sx,sy) is projected on. If no projection points are found, the nearest point to a perimeter of surf will be returned.

引数

surf	Target surface.
sx	Screen coordinates x. (left, bottom) is (0,0).
sy	y.
uv	surface parameter (u,v) where (sx,sy) is projected on will be returned.

void MGOpenGLView::get_viewport ( glm::ivec4 & vp ) const

get viewport of OpenGL.

引数

vp	(vp[0],vp[1]) is (left,bottom) coordinates. (vp[2],vp[3]) is (width, height) of the viewport.

void MGOpenGLView::get_viewport ( int vp[4] ) const

引数

vp	(vp[0],vp[1]) is (left,bottom) coordinates. (vp[2],vp[3]) is (width, height) of the viewport.

void MGOpenGLView::get_window	(	int &	width,
		int &	height
	)		const

get window(m_width, m_height);

static MGOpenGLView* MGOpenGLView::getCurrentOpenGLView ( )

inlinestatic

Get the current active MGOpenGLView.

HDC MGOpenGLView::getHDC ( ) const

inline

Get redering context.

HGLRC MGOpenGLView::getRC ( ) const

inline

Get redering context.

mgSysGL* MGOpenGLView::getSysGLByFunctionCode ( int fc )

inline

bool MGOpenGLView::has_display_list ( ) const

Test if this has a display list to draw.

bool MGOpenGLView::has_parent_OpenGLView ( ) const

inline

static const MGColor& MGOpenGLView::Hcolor ( )

inlinestatic

void MGOpenGLView::highlight ( const MGPickObjects * pobjsP )

protected

void MGOpenGLView::home ( )

inline

Transform to the home position.

void MGOpenGLView::import_context ( const MGContext & ctx )

Import MGOpenGLView data from MGContext.

引数

ctx	Target context.

void MGOpenGLView::importDrawAttribFromContext ( const MGContext & ctx )

Import draw attrib data from MGContext. Draw attribs are colors(Bcolor, Gcolor, Hcolor), line approximation smoothness, pick aperture, and MGDrawParam.

引数

ctx	Target context.

void MGOpenGLView::importGridAttrib ( const MGContext & ctx )

Import construction plane's grid data from a MGContext, which are 1)(u,v) grid numbers, 2)(u,v) grid spans. Colors are not imported.

void MGOpenGLView::importViewAttribFromContext ( const MGContext & ctx )

Import MGContext's mgGLViewAttrib data, which are view mode, Construction Plane, and viewing transfromation data.

引数

ctx	Target context.

void MGOpenGLView::initialize_viewing_environment	(	const MGPlane &	plane,
		double	diameter,
		bool	rotate = `false`
	)

Initialize the viewing environment to view objects projected onto a plane. The pespectiveness is unchanged. center of the object is the origin of the plane.

引数

plane	Target plane.
diameter	diameter of the view. This is set to m_diameter. diameter of the sphere that sorround the model.
rotate	if true, 90 degree rotation will be performed for the plane. (-v_deriv, u_deriv) will be (x,y), If false, (u_deriv, v_deriv) will be (x,y).

void MGOpenGLView::initializeViewingEnvironmentByBox ( const MGBox & box )

bool MGOpenGLView::is_enabled_grid_snap ( ) const

bool MGOpenGLView::is_perspective ( ) const

inline

Return if this is a perspective view or not.

int MGOpenGLView::line_density ( ) const

inline

Return line density for a surface to draw in wire mode.

MGPosition MGOpenGLView::locate_glv	(	int	x,
		int	y,
		MGPosition *	uv = `0`
	)		const

locate the screen coordinate (x,y) in the 3D world coordinate. (x, y)'s origin is (left, bottom) of the screen. In uv, the construction plane's parameter(u,v) coordinate will be returned.

void MGOpenGLView::make_construction_plane	(	const MGPosition &	mid,
		const MGVector &	uderi,
		const MGVector &	vderi,
		double	uspan,
		double	vspan,
		int	ulnum,
		int	lnum
	)

引数

mid	center of the construction plane.
uderi	u-axis vector of the construction plane.
vderi	v-axis vector of the construction plane.
uspan	span length between the lines along u-axis.
vspan	span length between the lines along v-axis.
ulnum	number of lines to draw along u-axis.
lnum	number of lines to draw along v-axis.

void MGOpenGLView::make_display_list	(	const MGContext &	ctx,
		const MGGroup &	grp
	)

Make openGL display list of a standard mgl file in the input glview. A standard mgl file means that all the objects are read into a MGGroup object, and that the objects are the target to make display list. If this is not the case, make display list as follows:

Name the display list as e.g. NAME, and generate the display list by glNewName.
Store all the data to display in the display list NAME. (Sometimes glCallList may be useful.) At this time, use glPushName() whose list name is int(MGObject*). MGOpenGLView's pick() will return the MGObject* when pick() is invoked.
Let MGOpenGLView know the list NAME by invoking set_display_list().

void MGOpenGLView::makeRCCurrent ( ) const

Each viewport uses its own context, so we need to make sure the correct context is set whenever we make an OpenGL command.

void MGOpenGLView::mglRotate	(	float	angle,
		const glm::vec3 &	axis
	)

void MGOpenGLView::mglScale ( const glm::vec3 & factor )

angle's unit is degree.

void MGOpenGLView::mglTranslate ( const glm::vec3 & vec )

Simulate OpenGL's Translation and rotate to this ModelView. mglXXXX performs the transformation to m_modelViewMat.

void MGOpenGLView::pan_zoom	(	int	x0,
		int	y0,
		int	x1,
		int	y1
	)

Translate and scale the current view. (x0, y0) to (x1,y1) is the rectangle of screen coordinate whose origin is (left,bottom).

void MGOpenGLView::pan_zoom ( const MGBox & box )

Translate and scale the current view. box is the world coordinate's box cube.

float MGOpenGLView::pick_aperture ( ) const

Get the pick aperture.

const MGEdge* MGOpenGLView::pick_edge_glv	(	const MGFace &	f,
		int	sx,
		int	sy,
		MGPosition *	uv = `0`,
		float	aperturex = `-1.`,
		float	aperturey = `-1.`
	)

Pick an edge of the face f. That is, obtain the edge number that passes input (sx,sy) when drawn in the current view matrix. Function's return value is the edge pointer picked. When no edges are picked, null will be returned.

引数

f	Target face.
sx	X of Screen coordinate. (left, bottom) is (0,0).
sy	Y.
uv	surface parameter (u,v) nearest to (sx,sy) will be returned.
aperturex	specifies pick aperture of x and y.
aperturey	When <=0. value is specified, default value(the value obtained by pick_aperture() will be used.

MGPickObjects MGOpenGLView::pick_glv	(	const float	center[2],
		float	aperturex = `-1.`,
		float	aperturey = `-1.`,
		const MGAbstractGels &	objtype = `mgAll_Object`
	)

Pick objects in the display list generated by make_display_list. Function's return value is MGPickObject vector. All the objects which were inside the pick aperture will be output. This data can be accessed using current_object()cy or current_PickObject(). pick will invoke makeRCCurrent();

引数

center	Screen coordinates. (left, bottom) is (0,0).
aperturex	specifies pick aperture of x and y.
aperturey	When <=0. value is specified, default value(the value obtained by pick_aperture() will be used.
objtype	Target object kind. See MGGEL_KIND in "mg/types.h" or "mg/default.h"

int MGOpenGLView::pick_perimeter_glv	(	const MGSurface &	surf,
		int	sx,
		int	sy,
		MGPosition *	uv = `0`,
		float	aperturex = `-1.`,
		float	aperturey = `-1.`
	)

Pick a perimeter of the surface surf. That is, obtain the perimeter number that passes input (sx,sy) when drawn in the current view matrix. Function's return value is perimeter number picked. When no perimeters are picked, -1 will be returned.

引数

surf	Target surface.
sx	X of Screen coordinate. (left, bottom) is (0,0).
sy	Y.
uv	surface parameter (u,v) nearest to (sx,sy) will be returned.
aperturex	specifies pick aperture of x and y.
aperturey	When <=0. value is specified, default value(the value obtained by pick_aperture() will be used.

int MGOpenGLView::pick_start_end_glv	(	const MGCurve &	curve,
		int	sx,
		int	sy
	)

Determine if screen coordinate (sx,sy) is closer to the start point or to the end of the curve curve. Functin's return value is 0: if start point, 1: if end point.

引数

curve	Target curve.
sx	X of Screen coordinate. (left, bottom) is (0,0).
sy	Y.

int MGOpenGLView::pick_to_select_buf	(	const float	center[2],
		const float	delta[2],
		mgVBO *	display_list,
		std::set< unsigned > &	selected
	)

Function's return value is the number of hit objects.

引数

center	Screen coordinates. (left, bottom) is (0,0).
delta	(aperturex, aperturey).
display_list	display list that includes pick objects.
selected	Selected data will be returned. This data consist of the data set by setSelectName.

void MGOpenGLView::project	(	const MGPosition &	world,
		MGPosition &	screen,
		const glm::mat4 *	modelMat = `0`,
		const glm::mat4 *	projlMat = `0`,
		const glm::ivec4 *	vp = `0`
	)		const

project world coordinates to OpenGL's screen coordinates. If modelMat, projMat, or vp is not input, project will ask OpenGL to get them. Generally, users of project are recommended to get modelMat, projlMat, or vp, and input them to project. Before use of project, SetContext() must be invoked.

引数

world	Target world coordinate.
screen	Screen coordinate will be output.
modelMat	OpenGL's model matrix
projlMat	OpenGL's projection matrix
vp	OpenGL's viewport

mgSysGL* MGOpenGLView::push_back_to_sysgl	(	int	fc,
		const MGGel *	oi = `0`
	)

inline

Push back (function_code, object id) to the end or the beginning of system display list. Function's return value is the mgSysGL pointer pushed. sysgl can be handled(can be erased after the generation) by (1)function code fc (2)object id oi(in other words, object name). If the system display list is to handle by the id(object name), oi must be meaningful. Usually oi is recommended to be the object pointer. If display list handling is not intended by the object id, set oi as null. int push_back_to_sysgl(int fc, MGGel* oi=0){return m_sysgllist.push_back(fc,oi);}; int push_front_to_sysgl(int fc, MGGel* oi=0){return m_sysgllist.push_front(fc,oi);};

void MGOpenGLView::push_back_to_sysgl ( mgSysGL * sysgl )

inline

Push back (function_code, object id) to the end or the beginning of system display list. sysgl must be a newed object, and the ownership will be transfered to this.

mgSysGL* MGOpenGLView::push_front_to_sysgl	(	int	fc,
		const MGGel *	oi = `0`
	)

inline

void MGOpenGLView::rotate	(	float	angle,
		float	x,
		float	y,
		float	z
	)

Rotate the current view by the angle along the vector(x,y,z), performs a counterclockwise rotation of angle about the vector from the m_center. The rotation matrix made is stored in m_PreCenterMat.

void MGOpenGLView::rotate	(	float	angle,
		float	vector[3],
		const MGPosition &	center
	)

Rotate the current view by the angle along vector around center. Performs a counterclockwise rotation. The rotation matrix made is stored in m_PreCenterMat.

void MGOpenGLView::rotate ( const float angle[2] )

Rotate the current view by the angle[0] around m_up_vector_current(Y-direction of the screen), and by the angle[1] around m_XAxis_current(view-up-vector*eye-vector=X-direction of the screen). Rotation is performed around m_center_current. (m_center_current,m_up_vector_current,m_XAxis_current) are et by set_center_current. The rotation matrix made is stored in m_PreCenterMat.

void MGOpenGLView::scale	(	double	factor,
		int *	center = `0`
	)

Scale the current view by the factor and the view center.

引数

factor	saling factor.
center	scaling center of the screen coordinate (sx, sy) on the view plane, where sx=center[0], sy=center[1] if center!=0.

void MGOpenGLView::screen_to_world	(	int	wh[2],
		double	sx,
		double	sy,
		double &	wx,
		double &	wy
	)		const

Convert the screen coordinate (sx, sy) to world coordinate (wx, wy) on the view plane.

引数

wh	width(wh[0]) and height(wh[1]) of the screen.
sx	Input screen x.
sy	y
wx	World x will be output.
wy	y will be output.

void MGOpenGLView::set_center ( const MGPosition & pos )

inline

void MGOpenGLView::set_center_current	(	int	x,
		int	y
	)

void MGOpenGLView::set_display_list ( mgVBO * dlist )

inline

Update display list name that shows all of the objects in this view.

引数

dlist The target graphic object.

void MGOpenGLView::set_fovy ( double fovy )

inline

void MGOpenGLView::set_line_density ( int line_density = 1 )

Set line density for a surface to draw in wire mode.

void MGOpenGLView::set_output_dpi ( float dpi )

inline

void MGOpenGLView::set_parent_OpenGLView ( MGOpenGLView * parent = 0 )

Set the parent MGOpenGLView.

void MGOpenGLView::set_perspective	(	bool	pers,
		double	fovy = `45.`
	)

inlineprotected

Set if this view is a perspective view(true), or orthnormal view(false).

void MGOpenGLView::set_pick_aperture ( double pick_aperture )

void MGOpenGLView::set_pick_aperture ( float pick_aperture )

void MGOpenGLView::set_smooth ( float smooth )

set the smooth factor of this view.

void MGOpenGLView::set_window	(	int	width,
		int	height
	)

Set the window as(0,0)-(width,height). This invokes glViewport().

void MGOpenGLView::setBcolor ( const MGColor & color )

Set background color;.

void MGOpenGLView::setDCRC	(	HDC	dc,
		HGLRC	rc
	)

Set redering context.

void MGOpenGLView::setDpiFactor2GLSL ( )

void MGOpenGLView::setDrawParam ( const MGContext & ctx )

void MGOpenGLView::setEyePositionUpVector	(	const MGPosition &	eyeP,
		const MGVector &	upVector
	)

Set m_eyeP and m_up_vector(the eye position and view-up-vector of the OpenGL).

void MGOpenGLView::setGcolor ( const MGColor & color )

Set default object color;.

static void MGOpenGLView::setHcolor ( const MGColor & color )

inlinestatic

Set hilight color;.

void MGOpenGLView::setModelViewMat2GLSL ( )

Set Model_View matrix of OpenGL(setUniform).

void MGOpenGLView::setNdcMat2GLSL ( )

Set ndc factors.

void MGOpenGLView::setProjectionMat2GLSL ( bool initialize = false )

Set Projection matrix to GLSL. initialize==true means the projection matrix will be replaced by the projection matrix defined by the current viewport and the model data.

void MGOpenGLView::setProjModelViewMat2GLSL ( )

Set ProjModelView matrix to GLSL using setUniform();.

void MGOpenGLView::setupDrawEnv	(	const MGColor &	backColor,
		bool	selection = `false`
	)

Set up drawing environment.

void MGOpenGLView::setViewMode ( MGCL::VIEWMODE vmode = MGCL::WIRE )

Set view mode.

float MGOpenGLView::smooth ( ) const

Get the smooth factor of this view.

double MGOpenGLView::span_length ( ) const

inline

Get the draw span length(approximate line segment length to draw curves).

void MGOpenGLView::translate	(	double	dx,
		double	dy
	)

Translate the current view by (dx, dy).

void MGOpenGLView::translate_without_scale	(	double	dx,
		double	dy
	)

Translate the current view by (dx, dy) without current scale.

void MGOpenGLView::unproject	(	int	x,
		int	y,
		MGStraight &	sl,
		MGCSisect &	is
	)		const

Convert the windows screen coordinate (x,y) to MGCL's straight line. and get the intersection of the straight line and the construction plane. The origin of the screen coordinate is left, bottom. Not left, top. The direction of the sl is from the screen to the viewer.

引数

x	X screen coordinate whose origin is (left, bottom).
y	Y.
sl	The straight line of (x,y) will be returnred.
is	the intersectio of the sl and the construction plane will be returned.

void MGOpenGLView::unproject_to_sl_glv	(	int	x,
		int	y,
		MGStraight &	sl
	)		const

Convert the windows screen coordinate (x,y) to MGCL's straight line. The origin of the screen coordinate is left, bottom. Not left, top. The direction of the sl is from the screen to the viewer.

const MGVector& MGOpenGLView::view_up_vector ( ) const

inline

Get the view up vector.

double MGOpenGLView::view_volume_far ( ) const

inline

compute the view volume far.

double MGOpenGLView::view_volume_height ( ) const

inline

compute the view volume height.

double MGOpenGLView::view_volume_near ( ) const

inline

compute the view volume near.

const MGglViewAttrib& MGOpenGLView::viewAttrib ( ) const

inline

MGglViewAttrib& MGOpenGLView::viewAttrib ( )

inline

MGCL::VIEWMODE MGOpenGLView::viewMode ( ) const

inline

メンバ詳解

MGColor MGOpenGLView::m_Bcolor

protected

Background color.

glm::vec3 MGOpenGLView::m_center_current

protected

Current center after transformations(a point on m_unprojectSL_current).

mgVBO* MGOpenGLView::m_display_list

protected

Display list name of the document which is displayed on this glview. m_display_list=0 indicates no display list is generated for this glview.

float MGOpenGLView::m_dpi

protected

Projection matrix to set into uniform.

MGColor MGOpenGLView::m_Gcolor

protected

Object lines color.

HDC MGOpenGLView::m_hDC

protected

Device Context.

int MGOpenGLView::m_height

protected

HGLRC MGOpenGLView::m_hRC

protected

Rendering context.

Static atributes(usually not changed after this is initaialized)

glm::mat4 MGOpenGLView::m_lookAtMat

protected

and view_up_vector().

glm::lookAt matrix constructied from eye_position()

MGOpenGLView* MGOpenGLView::m_parent_glView

protected

0.

If this OpenGLView has the parent, the pointer will be set. The parent means all of the display list are shared with the parent's, and on this drawScene's invocation, the parent's display list will be drawn.

float MGOpenGLView::m_pick_aperture

protected

Pick aperture. Number of pixels to allow picking.

glm::mat4 MGOpenGLView::m_projMat

protected

float MGOpenGLView::m_smooth

protected

Smoothness of the curves to draw. 1/smooth is the division number of a curve whose length is the window width. When smooth becomes small, smoothness increases.

mgSysGLList MGOpenGLView::m_sysgllist

System display list manager.

glm::vec3 MGOpenGLView::m_up_vector_current

protected

MGglViewAttrib MGOpenGLView::m_viewAttrib

protected

Attributes that are saved to .mgl file.

int MGOpenGLView::m_width

protected

アトリビュート

glm::vec3 MGOpenGLView::m_XAxis_current

protected

the current unprojected straight line of the input cursor is set.

Dynamic atributes(depend on what is current viewing environment). When set_center_current is invoked,

このクラス詳解は次のファイルから抽出されました:

mgGL/openglView.h

公開メンバ関数

静的公開メンバ関数

公開変数類

限定公開メンバ関数

限定公開変数類

詳解

構築子と解体子

関数詳解

メンバ詳解