glv::draw Namespace Reference

Drawing routines. More...

Classes
struct	Disable
	Disables rendering capabilities. More...
struct	Enable
	Enables rendering capabilities. More...
Functions
int	printError (const char *pre="", bool verbose=true, FILE *out=stdout)
	Print rendering errors to file.
void	fog (float end, float start, const Color &c=Color(0))
	Set linear fog parameters.
void	grid (float l, float t, float w, float h, float divx, float divy, bool incEnds=true)
	Parallel horizontal and vertical lines.
void	linesH (float l, float t, float w, float h, int n)
	Parallel horizontal lines.
void	pgon (float l, float t, float w, float h, int sides, float angleNorm=0)
	Regular polygon.
void	push2D (float w, float h)
	Push 2-D pixel space.
void	pop2D ()
	Pop 2-D pixel space.
void	push3D (float w, float h, float near=0.1, float far=100, float fovy=45)
	Push 3-D signed normalized cartesian space.
void	pop3D ()
	Pop 3-D signed normalized cartesian space.
void	text (const char *s, float l=0, float t=0, unsigned fontSize=8, float lineSpacing=1, unsigned tabSpaces=4)
	Draws a text string, including new lines and tabs.
void	begin (int primitive)
	Begin vertex group delimitation.
void	blendFunc (int sfactor, int dfactor)
	Set blending function.
void	blendTrans ()
	Set blending function to transparent.
void	blendAdd ()
	Set blending function to additive.
void	clear (int mask)
	Clear drawing buffers.
void	clearColor (float r, float g, float b, float a=1)
	Set clear color.
void	clearColor (const Color &c)
	Set clear color.
void	color (float gray, float a=1)
	Set current draw color.
void	color (float r, float g, float b, float a=1)
	Set current draw color.
void	color (const Color &c)
	Set current draw color.
void	color (const Color &c, float a)
	Set current draw color, but override alpha component.
void	end ()
	End vertex group delimitation.
void	identity ()
	Load identity transform matrix.
void	lineStipple (char factor, short pattern)
	Specify line stipple pattern.
void	lineWidth (float val)
	Set width of lines.
void	matrixMode (int mode)
	Set current transform matrix.
void	ortho (float l, float r, float b, float t)
	Set orthographic projection mode.
void	paint (int prim, Point2 *verts, int numVerts)
	Draw array of 2D vertices.
void	paint (int prim, Point2 *verts, unsigned *indices, int numIndices)
	Draw indexed array of 2D vertices.
void	paint (int prim, Point3 *verts, int numVerts)
	Draw array of 3D vertices.
void	paint (int prim, Point3 *verts, unsigned *indices, int numIndices)
	Draw indexed array of 3D vertices.
void	pointSize (float val)
	Set size of points.
void	pointAtten (float c2=0, float c1=0, float c0=1)
	Set distance attenuation of points. The scaling formula is clamp(size * sqrt(1/(c0 + c1*d + c2*d^2))).
void	pop ()
	Pop current transform matrix stack.
void	pop (int matrixMode)
	Pop a transform matrix stack also setting as current matrix.
void	popAttrib ()
	Pop last pushed attributes from stack.
void	push ()
	Push current transform matrix stack.
void	push (int matrixMode)
	Push a transform matrix stack also setting as current matrix.
void	pushAttrib (int attribs)
	Push current attributes onto stack.
void	scale (float v)
	Scale all dimensions by amount.
void	stroke (float w)
	Sets width of lines and points.
template<class V3>
void	vertex (const V3 &v)
	Send single vertex given 3-element array accessible object.
void	vertex (float x, float y)
	Send single xy vertex.
void	vertex (float x, float y, float z)
	Send single xyz vertex.
void	check (float l, float t, float r, float b)
	Check mark.
template<int N>
void	disc (float l, float t, float r, float b)
	Disc with N edges.
void	frame (float l, float t, float r, float b)
	Rectangular frame.
void	minus (float l, float t, float r, float b)
	Minus.
void	plus (float l, float t, float r, float b)
	Plus.
void	rect (float l, float t, float r, float b)
	Solid rectangle.
void	triangleR (float l, float t, float r, float b)
	Right pointing triangle.
void	triangleL (float l, float t, float r, float b)
	Left pointing triangle.
void	triangleU (float l, float t, float r, float b)
	Upward pointing triangle.
void	triangleD (float l, float t, float r, float b)
	Downward pointing triangle.
void	x (float l, float t, float r, float b)
	X mark.
int	pix (float v)
	Converts a float to its pixel value.

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Detailed Description

Drawing routines.

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Function Documentation

void glv::draw::text	(	const char *	s,
		float	l = 0,
		float	t = 0,
		unsigned	fontSize = 8,
		float	lineSpacing = 1,
		unsigned	tabSpaces = 4
	)

Draws a text string, including new lines and tabs.

The spacing between characters is fixed.