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cinder::gl Namespace Reference

Classes

struct  BoolState
 Convenience class designed to push and pop a boolean OpenGL state. More...
 
struct  ClientBoolState
 Convenience class designed to push and pop a boolean OpenGL state. More...
 
class  DisplayList
 
class  Exception
 
class  ExceptionUnknownTarget
 
class  Fbo
 Represents an OpenGL Framebuffer Object. //! Represents an instance of a font at a point size. Implicitly shared object. More...
 
class  FboException
 
class  FboExceptionInvalidSpecification
 
class  GlslNullProgramExc
 
class  GlslProg
 Represents an OpenGL GLSL program. Implicitly shared object. More...
 
class  GlslProgCompileExc
 
class  Light
 
class  Material
 
class  Renderbuffer
 Represents an OpenGL Renderbuffer, used primarily in conjunction with FBOs. Supported on OpenGL ES but multisampling is currently ignored. Implicitly shared object. More...
 
struct  SaveColorState
 Convenience class designed to push and pop the current color. More...
 
struct  SaveFramebufferBinding
 Convenience class which pushes and pops the currently bound framebuffer. More...
 
struct  SaveTextureBindState
 Convenience class designed to push and pop the currently bound texture for a given texture unit. More...
 
class  StereoAutoFocuser
 
class  SurfaceConstraintsGLTexture
 
class  Texture
 Represents an OpenGL Texture. Implicitly shared object. More...
 
class  TextureCache
 
class  TextureDataExc
 
class  TextureFont
 
class  TileRender
 
class  Vbo
 
class  VboExc
 
class  VboFailedMapExc
 
class  VboFailedUnmapExc
 
class  VboInvalidTargetExc
 
class  VboMesh
 

Typedefs

typedef std::shared_ptr< TextureTextureRef
 
typedef std::shared_ptr< VboMeshVboMeshRef
 
typedef std::shared_ptr< GlslProgGlslProgRef
 
typedef std::shared_ptr< class
TextureFont
TextureFontRef
 

Functions

bool isExtensionAvailable (const std::string &extName)
 Returns whether a particular OpenGL extension is available. Caches results. More...
 
void clear (const ColorA &color=ColorA::black(), bool clearDepthBuffer=true)
 Clears the OpenGL color buffer using color and optionally clears the depth buffer when clearDepthBuffer. More...
 
void enableVerticalSync (bool enable=true)
 Enables or disables wait for vertical sync. More...
 
void disableVerticalSync ()
 Disables wait for vertical sync. More...
 
bool isVerticalSyncEnabled ()
 Returns whether vertical sync is enabled for the current context. More...
 
void setMatrices (const Camera &cam)
 Sets the MODELVIEW and PROJECTION matrices to reflect the values of cam. Leaves the MatrixMode as MODELVIEW. More...
 
void setModelView (const Camera &cam)
 Sets the MODELVIEW matrix to reflect the values of cam. Leaves the MatrixMode as MODELVIEW. More...
 
void setProjection (const Camera &cam)
 Sets the PROJECTION matrix to reflect the values of cam. Leaves the MatrixMode as PROJECTION. More...
 
void pushModelView ()
 Pushes the MODELVIEW matrix onto its stack, preserving the current values. Leaves the MatrixMode as MODELVIEW. More...
 
void popModelView ()
 Pops the MODELVIEW matrix off of its stack, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW. More...
 
void pushModelView (const Camera &cam)
 Pushes the MODELVIEW matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as MODELVIEW. More...
 
void pushProjection (const Camera &cam)
 Pushes the PROJECTION matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as PROJECTION. More...
 
void pushMatrices ()
 Pushes the MODELVIEW and PROJECTION matrices onto their stacks, preserving the current values. Leaves the MatrixMode as MODELVIEW. More...
 
void popMatrices ()
 Pops the MODELVIEW and PROJECTION matrices off their stacks, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW. More...
 
void multModelView (const Matrix44f &mtx)
 Multiplies the current MODELVIEW matrix with mtx. Leaves the MatrixMode as MODELVIEW. More...
 
void multProjection (const Matrix44f &mtx)
 Multiplies the current PROJECTION matrix with mtx. Leaves the MatrixMode as MODELVIEW. More...
 
Matrix44f getModelView ()
 Returns the value of the current MODELVIEW matrix as a Matrix44f. More...
 
Matrix44f getProjection ()
 Returns the value of the current PROJECTION matrix as a Matrix44f. More...
 
void setMatricesWindowPersp (int screenWidth, int screenHeight, float fovDegrees=60.0f, float nearPlane=1.0f, float farPlane=1000.0f, bool originUpperLeft=true)
 Sets the viepwort and MODELVIEW and PROJECTION matrices to be a perspective projection with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight], but flipped vertically if not originUpperLeft. More...
 
void setMatricesWindowPersp (const Vec2i &screenSize, float fovDegrees=60.0f, float nearPlane=1.0f, float farPlane=1000.0f, bool originUpperLeft=true)
 Sets the viewport and MODELVIEW and PROJECTION matrices to be a perspective projection with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight], but flipped vertically if not originUpperLeft. More...
 
void setMatricesWindow (int screenWidth, int screenHeight, bool originUpperLeft=true)
 Sets the viewport and MODELVIEW and PROJECTION matrices to orthographic with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight] if originUpperLeft is true. Otherwise the origin is in the lower right. More...
 
void setMatricesWindow (const Vec2i &screenSize, bool originUpperLeft=true)
 Sets the viewport and the MODELVIEW and PROJECTION matrices to orthographic with the upper-left corner at [0,0] and the lower-right at [size.x,size.y] if originUpperLeft is true. Otherwise the origin is in the lower right. More...
 
Area getViewport ()
 Returns the current OpenGL Viewport as an Area. More...
 
void setViewport (const Area &area)
 Sets the current OpenGL Viewport to area. More...
 
void translate (const Vec2f &pos)
 Produces a translation by pos in the current matrix. More...
 
void translate (float x, float y)
 Produces a translation by x and y in the current matrix. More...
 
void translate (const Vec3f &pos)
 Produces a translation by pos in the current matrix. More...
 
void translate (float x, float y, float z)
 Produces a translation by x, y and z in the current matrix. More...
 
void scale (const Vec3f &scl)
 Produces a scale by scale in the current matrix. More...
 
void scale (const Vec2f &scl)
 Produces a scale by scl in the current matrix. More...
 
void scale (float x, float y)
 Produces a scale by x and y in the current matrix. More...
 
void scale (float x, float y, float z)
 Produces a scale by x, y and z in the current matrix. More...
 
void rotate (const Vec3f &xyz)
 Produces a rotation around the X-axis by xyz.x degrees, the Y-axis by xyz.y degrees and the Z-axis by xyz.z degrees in the current matrix. Processed in X-Y-Z order. More...
 
void rotate (const Quatf &quat)
 Produces a rotation by the quaternion quat in the current matrix. More...
 
void rotate (float degrees)
 Produces a 2D rotation, the equivalent of a rotation around the Z axis by degrees. More...
 
void color (float r, float g, float b)
 Sets the current color and the alpha value to 1.0. More...
 
void color (float r, float g, float b, float a)
 Sets the current color and alpha value. More...
 
void color (const Color8u &c)
 Sets the current color, and the alpha value to 1.0. More...
 
void color (const ColorA8u &c)
 Sets the current color and alpha value. More...
 
void color (const Color &c)
 Sets the current color, and the alpha value to 1.0. More...
 
void color (const ColorA &c)
 Sets the current color and alpha value. More...
 
void enable (GLenum state)
 Enables the OpenGL State state. Equivalent to calling to glEnable( state );. More...
 
void disable (GLenum state)
 Disables the OpenGL State state. Equivalent to calling to glDisable( state );. More...
 
void enableAlphaBlending (bool premultiplied=false)
 Enables alpha blending. Selects a BlendFunc that is appropriate for premultiplied-alpha when premultiplied. More...
 
void disableAlphaBlending ()
 Disables alpha blending. More...
 
void enableAdditiveBlending ()
 Enables alpha blending and selects a BlendFunc for additive blending. More...
 
void enableAlphaTest (float value=0.5f, int func=GL_GREATER)
 Enables alpha testing and sets the AlphaFunc to test for values which are func than value, which should be in the range [0, 1.0]. Possible values for func include GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, GL_GREATER, GL_NOTEQUAL, GL_GEQUAL and GL_ALWAYS. More...
 
void disableAlphaTest ()
 Disables alpha testing. More...
 
void disableDepthRead ()
 Disables reading from the depth buffer, disabling z-testing. More...
 
void disableDepthWrite ()
 Disables writing to the depth buffer. More...
 
void enableDepthRead (bool enable=true)
 Enables reading from the depth buffer when enable, enabling z-testing. More...
 
void enableDepthWrite (bool enable=true)
 Enables writing to the depth buffer when enable. More...
 
void lineWidth (float width)
 Specifies the rasterized width of both aliased and antialiased lines. More...
 
void drawLine (const Vec2f &start, const Vec2f &end)
 Draws a line from start to end. More...
 
void drawLine (const Vec3f &start, const Vec3f &end)
 Draws a line from start to end. More...
 
void drawCube (const Vec3f &center, const Vec3f &size)
 Renders a solid cube centered at center of size size. Normals and created texture coordinates are generated for GL_TEXTURE_2D, with each face in the range [0,0] - [1.0,1.0]. More...
 
void drawColorCube (const Vec3f &center, const Vec3f &size)
 Renders a solid cube centered at center of size size. Each face is assigned a unique color, and no normals or texture coordinates are generated. More...
 
void drawStrokedCube (const Vec3f &center, const Vec3f &size)
 Renders a stroked cube centered at center of size size. More...
 
void drawStrokedCube (const AxisAlignedBox3f &aab)
 Renders a stroked cube aab. More...
 
void drawSphere (const Vec3f &center, float radius, int segments=12)
 Renders a solid sphere centered at center of radius radius. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated. More...
 
void draw (const class Sphere &sphere, int segments=12)
 Renders a solid sphere. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated. More...
 
void drawSolidCircle (const Vec2f &center, float radius, int numSegments=0)
 Renders a solid circle using triangle fans. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference. More...
 
void drawStrokedCircle (const Vec2f &center, float radius, int numSegments=0)
 Renders a stroked circle using a line loop. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference. More...
 
void drawSolidEllipse (const Vec2f &center, float radiusX, float radiusY, int numSegments=0)
 Renders a solid ellipse using triangle fans. The default value of zero for numSegments automatically determines a number of segments based on the ellipse's circumference. More...
 
void drawStrokedEllipse (const Vec2f &center, float radiusX, float radiusY, int numSegments=0)
 Renders a stroked circle using a line loop. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference. More...
 
void drawSolidRect (const Rectf &rect, bool textureRectangle=false)
 Renders a solid rectangle. Texture coordinates in the range [0,1] are generated unless textureRectangle. More...
 
void drawStrokedRect (const Rectf &rect)
 Renders a stroked rectangle. More...
 
void drawSolidRoundedRect (const Rectf &r, float cornerRadius, int numSegmentsPerCorner=0)
 
void drawStrokedRoundedRect (const Rectf &r, float cornerRadius, int numSegmentsPerCorner=0)
 
void drawSolidTriangle (const Vec2f &pt1, const Vec2f &pt2, const Vec2f &pt3)
 
void drawSolidTriangle (const Vec2f pts[3])
 
void drawSolidTriangle (const Vec2f &pt1, const Vec2f &pt2, const Vec2f &pt3, const Vec2f &texPt1, const Vec2f &texPt2, const Vec2f &texPt3)
 Renders a textured triangle. More...
 
void drawSolidTriangle (const Vec2f pts[3], const Vec2f texCoord[3])
 
void drawStrokedTriangle (const Vec2f &pt1, const Vec2f &pt2, const Vec2f &pt3)
 Renders a stroked triangle. More...
 
void drawStrokedTriangle (const Vec2f pts[3])
 
void drawCoordinateFrame (float axisLength=1.0f, float headLength=0.2f, float headRadius=0.05f)
 
void drawVector (const Vec3f &start, const Vec3f &end, float headLength=0.2f, float headRadius=0.05f)
 Draws a vector starting at start and ending at end. An arrowhead is drawn at the end of radius headRadius and length headLength. More...
 
void drawFrustum (const Camera &cam)
 Draws a wireframe representation of the frustum defined by cam. More...
 
void drawTorus (float outterRadius, float innerRadius, int longitudeSegments=12, int latitudeSegments=12)
 Draws a torus at the origin, with an outter radius outterRadius and an inner radius innerRadius, subdivided into longitudeSegments and latitudeSegments. Normals and texture coordinates in the range [0,1] are generated. More...
 
void drawCylinder (float baseRadius, float topRadius, float height, int slices=12, int stacks=1)
 Draws a open-ended cylinder, with base radius baseRadius and top radius topRadius, with height height, subdivided into slices and stacks. Normals and texture coordinates in the range [0,1] are generated. More...
 
void draw (const class PolyLine< Vec2f > &polyLine)
 Draws a 2d PolyLine polyLine. More...
 
void draw (const class PolyLine< Vec3f > &polyLine)
 Draws a 3d PolyLine polyLine. More...
 
void draw (const class Path2d &path2d, float approximationScale=1.0f)
 Draws a Path2d path2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. More...
 
void draw (const class Shape2d &shape2d, float approximationScale=1.0f)
 Draws a Shape2d shape2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. More...
 
void drawSolid (const class Path2d &path2d, float approximationScale=1.0f)
 Draws a solid (filled) Path2d path2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly. More...
 
void drawSolid (const class Shape2d &shape2d, float approximationScale=1.0f)
 Draws a solid (filled) Shape2d shape2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly. More...
 
void drawSolid (const PolyLine2f &polyLine)
 Draws a solid (filled) PolyLine2f polyLine. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly. More...
 
void draw (const TriMesh2d &mesh)
 Draws a cinder::TriMesh mesh at the origin. More...
 
void drawRange (const TriMesh2d &mesh, size_t startTriangle, size_t triangleCount)
 Draws a range of triangles starting with triangle # startTriangle and a count of triangleCount from cinder::TriMesh mesh at the origin. More...
 
void draw (const TriMesh &mesh)
 Draws a cinder::TriMesh mesh at the origin. More...
 
void drawRange (const TriMesh &mesh, size_t startTriangle, size_t triangleCount)
 Draws a range of triangles starting with triangle # startTriangle and a count of triangleCount from cinder::TriMesh mesh at the origin. More...
 
void drawBillboard (const Vec3f &pos, const Vec2f &scale, float rotationDegrees, const Vec3f &bbRight, const Vec3f &bbUp)
 Draws a textured quad of size scale that is aligned with the vectors bbRight and bbUp at pos, rotated by rotationDegrees around the vector orthogonal to bbRight and bbUp. More...
 
void draw (const Texture &texture)
 Draws texture on the XY-plane. More...
 
void draw (const TextureRef &texture)
 
void draw (const Texture &texture, const Vec2f &pos)
 Draws texture on the XY-plane at pos. More...
 
void draw (const TextureRef &texture, const Vec2f &pos)
 
void draw (const Texture &texture, const Rectf &rect)
 Draws texture on the XY-plane in the rectangle defined by rect. More...
 
void draw (const TextureRef &texture, const Rectf &rect)
 
void draw (const Texture &texture, const Area &srcArea, const Rectf &destRect)
 Draws the pixels inside srcArea of texture on the XY-plane in the rectangle defined by destRect. More...
 
void draw (const TextureRef &texture, const Area &srcArea, const Rectf &destRect)
 
void drawString (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font())
 Draws a string str with its lower left corner located at pos. Optional font and color affect the style. More...
 
void drawStringCentered (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font())
 Draws a string str with the horizontal center of its baseline located at pos. Optional font and color affect the style. More...
 
void drawStringRight (const std::string &str, const Vec2f &pos, const ColorA &color=ColorA(1, 1, 1, 1), Font font=Font())
 Draws a right-justified string str with the center of its located at pos. Optional font and color affect the style. More...
 
void draw (const svg::Doc &svg)
 
void enableWireframe ()
 
void disableWireframe ()
 
void draw (const PolyLine< Vec2f > &polyLine)
 
void draw (const PolyLine< Vec3f > &polyLine)
 
void draw (const Path2d &path2d, float approximationScale)
 
void draw (const Shape2d &shape2d, float approximationScale)
 
void drawSolid (const Path2d &path2d, float approximationScale)
 
void drawSolid (const Shape2d &shape2d, float approximationScale)
 
void draw (const VboMesh &vbo)
 
void drawRange (const VboMesh &vbo, size_t startIndex, size_t indexCount, int vertexStart, int vertexEnd)
 
void drawArrays (const VboMesh &vbo, GLint first, GLsizei count)
 

Typedef Documentation

typedef std::shared_ptr< Texture > cinder::gl::TextureRef
typedef std::shared_ptr< VboMesh > cinder::gl::VboMeshRef
typedef std::shared_ptr<GlslProg> cinder::gl::GlslProgRef
typedef std::shared_ptr<class TextureFont> cinder::gl::TextureFontRef

Function Documentation

bool cinder::gl::isExtensionAvailable ( const std::string extName)

Returns whether a particular OpenGL extension is available. Caches results.

void cinder::gl::clear ( const ColorA &  color = ColorA::black(),
bool  clearDepthBuffer = true 
)

Clears the OpenGL color buffer using color and optionally clears the depth buffer when clearDepthBuffer.

void cinder::gl::enableVerticalSync ( bool  enable = true)

Enables or disables wait for vertical sync.

void cinder::gl::disableVerticalSync ( )

Disables wait for vertical sync.

bool cinder::gl::isVerticalSyncEnabled ( )

Returns whether vertical sync is enabled for the current context.

void cinder::gl::setMatrices ( const Camera &  cam)

Sets the MODELVIEW and PROJECTION matrices to reflect the values of cam. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::setModelView ( const Camera &  cam)

Sets the MODELVIEW matrix to reflect the values of cam. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::setProjection ( const Camera &  cam)

Sets the PROJECTION matrix to reflect the values of cam. Leaves the MatrixMode as PROJECTION.

void cinder::gl::pushModelView ( )

Pushes the MODELVIEW matrix onto its stack, preserving the current values. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::popModelView ( )

Pops the MODELVIEW matrix off of its stack, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::pushModelView ( const Camera &  cam)

Pushes the MODELVIEW matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::pushProjection ( const Camera &  cam)

Pushes the PROJECTION matrix onto its stack, preserving the current values, and then sets the matrix to reflect cam. Leaves the MatrixMode as PROJECTION.

void cinder::gl::pushMatrices ( )

Pushes the MODELVIEW and PROJECTION matrices onto their stacks, preserving the current values. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::popMatrices ( )

Pops the MODELVIEW and PROJECTION matrices off their stacks, restoring the values saved with the previous push. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::multModelView ( const Matrix44f &  mtx)

Multiplies the current MODELVIEW matrix with mtx. Leaves the MatrixMode as MODELVIEW.

void cinder::gl::multProjection ( const Matrix44f &  mtx)

Multiplies the current PROJECTION matrix with mtx. Leaves the MatrixMode as MODELVIEW.

Matrix44f cinder::gl::getModelView ( )

Returns the value of the current MODELVIEW matrix as a Matrix44f.

Matrix44f cinder::gl::getProjection ( )

Returns the value of the current PROJECTION matrix as a Matrix44f.

void cinder::gl::setMatricesWindowPersp ( int  screenWidth,
int  screenHeight,
float  fovDegrees = 60.0f,
float  nearPlane = 1.0f,
float  farPlane = 1000.0f,
bool  originUpperLeft = true 
)

Sets the viepwort and MODELVIEW and PROJECTION matrices to be a perspective projection with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight], but flipped vertically if not originUpperLeft.

void cinder::gl::setMatricesWindowPersp ( const Vec2i &  screenSize,
float  fovDegrees = 60.0f,
float  nearPlane = 1.0f,
float  farPlane = 1000.0f,
bool  originUpperLeft = true 
)

Sets the viewport and MODELVIEW and PROJECTION matrices to be a perspective projection with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight], but flipped vertically if not originUpperLeft.

void cinder::gl::setMatricesWindow ( int  screenWidth,
int  screenHeight,
bool  originUpperLeft = true 
)

Sets the viewport and MODELVIEW and PROJECTION matrices to orthographic with the upper-left corner at [0,0] and the lower-right at [screenWidth,screenHeight] if originUpperLeft is true. Otherwise the origin is in the lower right.

void cinder::gl::setMatricesWindow ( const Vec2i &  screenSize,
bool  originUpperLeft = true 
)

Sets the viewport and the MODELVIEW and PROJECTION matrices to orthographic with the upper-left corner at [0,0] and the lower-right at [size.x,size.y] if originUpperLeft is true. Otherwise the origin is in the lower right.

Area cinder::gl::getViewport ( )

Returns the current OpenGL Viewport as an Area.

void cinder::gl::setViewport ( const Area &  area)

Sets the current OpenGL Viewport to area.

void cinder::gl::translate ( const Vec2f &  pos)

Produces a translation by pos in the current matrix.

void cinder::gl::translate ( float  x,
float  y 
)

Produces a translation by x and y in the current matrix.

void cinder::gl::translate ( const Vec3f &  pos)

Produces a translation by pos in the current matrix.

void cinder::gl::translate ( float  x,
float  y,
float  z 
)

Produces a translation by x, y and z in the current matrix.

void cinder::gl::scale ( const Vec3f &  scl)

Produces a scale by scale in the current matrix.

void cinder::gl::scale ( const Vec2f &  scl)

Produces a scale by scl in the current matrix.

void cinder::gl::scale ( float  x,
float  y 
)

Produces a scale by x and y in the current matrix.

void cinder::gl::scale ( float  x,
float  y,
float  z 
)

Produces a scale by x, y and z in the current matrix.

void cinder::gl::rotate ( const Vec3f &  xyz)

Produces a rotation around the X-axis by xyz.x degrees, the Y-axis by xyz.y degrees and the Z-axis by xyz.z degrees in the current matrix. Processed in X-Y-Z order.

void cinder::gl::rotate ( const Quatf &  quat)

Produces a rotation by the quaternion quat in the current matrix.

void cinder::gl::rotate ( float  degrees)

Produces a 2D rotation, the equivalent of a rotation around the Z axis by degrees.

void cinder::gl::color ( float  r,
float  g,
float  b 
)

Sets the current color and the alpha value to 1.0.

void cinder::gl::color ( float  r,
float  g,
float  b,
float  a 
)

Sets the current color and alpha value.

void cinder::gl::color ( const Color8u &  c)

Sets the current color, and the alpha value to 1.0.

void cinder::gl::color ( const ColorA8u &  c)

Sets the current color and alpha value.

void cinder::gl::color ( const Color &  c)

Sets the current color, and the alpha value to 1.0.

void cinder::gl::color ( const ColorA &  c)

Sets the current color and alpha value.

void cinder::gl::enable ( GLenum  state)

Enables the OpenGL State state. Equivalent to calling to glEnable( state );.

void cinder::gl::disable ( GLenum  state)

Disables the OpenGL State state. Equivalent to calling to glDisable( state );.

void cinder::gl::enableAlphaBlending ( bool  premultiplied = false)

Enables alpha blending. Selects a BlendFunc that is appropriate for premultiplied-alpha when premultiplied.

void cinder::gl::disableAlphaBlending ( )

Disables alpha blending.

void cinder::gl::enableAdditiveBlending ( )

Enables alpha blending and selects a BlendFunc for additive blending.

void cinder::gl::enableAlphaTest ( float  value = 0.5f,
int  func = GL_GREATER 
)

Enables alpha testing and sets the AlphaFunc to test for values which are func than value, which should be in the range [0, 1.0]. Possible values for func include GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, GL_GREATER, GL_NOTEQUAL, GL_GEQUAL and GL_ALWAYS.

void cinder::gl::disableAlphaTest ( )

Disables alpha testing.

void cinder::gl::disableDepthRead ( )

Disables reading from the depth buffer, disabling z-testing.

void cinder::gl::disableDepthWrite ( )

Disables writing to the depth buffer.

void cinder::gl::enableDepthRead ( bool  enable = true)

Enables reading from the depth buffer when enable, enabling z-testing.

void cinder::gl::enableDepthWrite ( bool  enable = true)

Enables writing to the depth buffer when enable.

void cinder::gl::lineWidth ( float  width)

Specifies the rasterized width of both aliased and antialiased lines.

void cinder::gl::drawLine ( const Vec2f &  start,
const Vec2f &  end 
)

Draws a line from start to end.

void cinder::gl::drawLine ( const Vec3f &  start,
const Vec3f &  end 
)

Draws a line from start to end.

void cinder::gl::drawCube ( const Vec3f &  center,
const Vec3f &  size 
)

Renders a solid cube centered at center of size size. Normals and created texture coordinates are generated for GL_TEXTURE_2D, with each face in the range [0,0] - [1.0,1.0].

void cinder::gl::drawColorCube ( const Vec3f &  center,
const Vec3f &  size 
)

Renders a solid cube centered at center of size size. Each face is assigned a unique color, and no normals or texture coordinates are generated.

void cinder::gl::drawStrokedCube ( const Vec3f &  center,
const Vec3f &  size 
)

Renders a stroked cube centered at center of size size.

void cinder::gl::drawStrokedCube ( const AxisAlignedBox3f &  aab)

Renders a stroked cube aab.

void cinder::gl::drawSphere ( const Vec3f &  center,
float  radius,
int  segments = 12 
)

Renders a solid sphere centered at center of radius radius. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated.

void cinder::gl::draw ( const class Sphere &  sphere,
int  segments = 12 
)

Renders a solid sphere. segments defines how many segments the sphere is subdivided into. Normals and texture coordinates in the range [0,1] are generated.

void cinder::gl::drawSolidCircle ( const Vec2f &  center,
float  radius,
int  numSegments = 0 
)

Renders a solid circle using triangle fans. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference.

void cinder::gl::drawStrokedCircle ( const Vec2f &  center,
float  radius,
int  numSegments = 0 
)

Renders a stroked circle using a line loop. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference.

void cinder::gl::drawSolidEllipse ( const Vec2f &  center,
float  radiusX,
float  radiusY,
int  numSegments = 0 
)

Renders a solid ellipse using triangle fans. The default value of zero for numSegments automatically determines a number of segments based on the ellipse's circumference.

void cinder::gl::drawStrokedEllipse ( const Vec2f &  center,
float  radiusX,
float  radiusY,
int  numSegments = 0 
)

Renders a stroked circle using a line loop. The default value of zero for numSegments automatically determines a number of segments based on the circle's circumference.

void cinder::gl::drawSolidRect ( const Rectf &  rect,
bool  textureRectangle = false 
)

Renders a solid rectangle. Texture coordinates in the range [0,1] are generated unless textureRectangle.

void cinder::gl::drawStrokedRect ( const Rectf &  rect)

Renders a stroked rectangle.

void cinder::gl::drawSolidRoundedRect ( const Rectf &  r,
float  cornerRadius,
int  numSegmentsPerCorner = 0 
)
void cinder::gl::drawStrokedRoundedRect ( const Rectf &  r,
float  cornerRadius,
int  numSegmentsPerCorner = 0 
)
void cinder::gl::drawSolidTriangle ( const Vec2f &  pt1,
const Vec2f &  pt2,
const Vec2f &  pt3 
)

Renders a coordinate frame representation centered at the origin. Arrowheads are drawn at the end of each axis with radius headRadius and length headLength. Renders a solid triangle.

void cinder::gl::drawSolidTriangle ( const Vec2f  pts[3])
void cinder::gl::drawSolidTriangle ( const Vec2f &  pt1,
const Vec2f &  pt2,
const Vec2f &  pt3,
const Vec2f &  texPt1,
const Vec2f &  texPt2,
const Vec2f &  texPt3 
)

Renders a textured triangle.

void cinder::gl::drawSolidTriangle ( const Vec2f  pts[3],
const Vec2f  texCoord[3] 
)
void cinder::gl::drawStrokedTriangle ( const Vec2f &  pt1,
const Vec2f &  pt2,
const Vec2f &  pt3 
)

Renders a stroked triangle.

void cinder::gl::drawStrokedTriangle ( const Vec2f  pts[3])
void cinder::gl::drawCoordinateFrame ( float  axisLength = 1.0f,
float  headLength = 0.2f,
float  headRadius = 0.05f 
)
void cinder::gl::drawVector ( const Vec3f &  start,
const Vec3f &  end,
float  headLength = 0.2f,
float  headRadius = 0.05f 
)

Draws a vector starting at start and ending at end. An arrowhead is drawn at the end of radius headRadius and length headLength.

void cinder::gl::drawFrustum ( const Camera &  cam)

Draws a wireframe representation of the frustum defined by cam.

void cinder::gl::drawTorus ( float  outterRadius,
float  innerRadius,
int  longitudeSegments = 12,
int  latitudeSegments = 12 
)

Draws a torus at the origin, with an outter radius outterRadius and an inner radius innerRadius, subdivided into longitudeSegments and latitudeSegments. Normals and texture coordinates in the range [0,1] are generated.

void cinder::gl::drawCylinder ( float  baseRadius,
float  topRadius,
float  height,
int  slices = 12,
int  stacks = 1 
)

Draws a open-ended cylinder, with base radius baseRadius and top radius topRadius, with height height, subdivided into slices and stacks. Normals and texture coordinates in the range [0,1] are generated.

void cinder::gl::draw ( const class PolyLine< Vec2f > &  polyLine)

Draws a 2d PolyLine polyLine.

void cinder::gl::draw ( const class PolyLine< Vec3f > &  polyLine)

Draws a 3d PolyLine polyLine.

void cinder::gl::draw ( const class Path2d &  path2d,
float  approximationScale = 1.0f 
)

Draws a Path2d path2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc.

void cinder::gl::draw ( const class Shape2d &  shape2d,
float  approximationScale = 1.0f 
)

Draws a Shape2d shape2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc.

void cinder::gl::drawSolid ( const class Path2d &  path2d,
float  approximationScale = 1.0f 
)

Draws a solid (filled) Path2d path2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly.

void cinder::gl::drawSolid ( const class Shape2d &  shape2d,
float  approximationScale = 1.0f 
)

Draws a solid (filled) Shape2d shape2d using approximation scale approximationScale. 1.0 corresponds to screenspace, 2.0 is double screen resolution, etc. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly.

void cinder::gl::drawSolid ( const PolyLine2f &  polyLine)

Draws a solid (filled) PolyLine2f polyLine. Performance warning: This routine tesselates the polygon into triangles. Consider using Triangulator directly.

void cinder::gl::draw ( const TriMesh2d &  mesh)

Draws a cinder::TriMesh mesh at the origin.

void cinder::gl::drawRange ( const TriMesh2d &  mesh,
size_t  startTriangle,
size_t  triangleCount 
)

Draws a range of triangles starting with triangle # startTriangle and a count of triangleCount from cinder::TriMesh mesh at the origin.

void cinder::gl::draw ( const TriMesh &  mesh)

Draws a cinder::TriMesh mesh at the origin.

void cinder::gl::drawRange ( const TriMesh &  mesh,
size_t  startTriangle,
size_t  triangleCount 
)

Draws a range of triangles starting with triangle # startTriangle and a count of triangleCount from cinder::TriMesh mesh at the origin.

void cinder::gl::drawBillboard ( const Vec3f &  pos,
const Vec2f &  scale,
float  rotationDegrees,
const Vec3f &  bbRight,
const Vec3f &  bbUp 
)

Draws a textured quad of size scale that is aligned with the vectors bbRight and bbUp at pos, rotated by rotationDegrees around the vector orthogonal to bbRight and bbUp.

void cinder::gl::draw ( const Texture &  texture)

Draws texture on the XY-plane.

void cinder::gl::draw ( const TextureRef &  texture)
void cinder::gl::draw ( const Texture &  texture,
const Vec2f &  pos 
)

Draws texture on the XY-plane at pos.

void cinder::gl::draw ( const TextureRef &  texture,
const Vec2f &  pos 
)
void cinder::gl::draw ( const Texture &  texture,
const Rectf &  rect 
)

Draws texture on the XY-plane in the rectangle defined by rect.

void cinder::gl::draw ( const TextureRef &  texture,
const Rectf &  rect 
)
void cinder::gl::draw ( const Texture &  texture,
const Area &  srcArea,
const Rectf &  destRect 
)

Draws the pixels inside srcArea of texture on the XY-plane in the rectangle defined by destRect.

void cinder::gl::draw ( const TextureRef &  texture,
const Area &  srcArea,
const Rectf &  destRect 
)
void cinder::gl::drawString ( const std::string str,
const Vec2f &  pos,
const ColorA &  color = ColorA( 1, 1, 1, 1 ),
Font  font = Font() 
)

Draws a string str with its lower left corner located at pos. Optional font and color affect the style.

void cinder::gl::drawStringCentered ( const std::string str,
const Vec2f &  pos,
const ColorA &  color = ColorA( 1, 1, 1, 1 ),
Font  font = Font() 
)

Draws a string str with the horizontal center of its baseline located at pos. Optional font and color affect the style.

void cinder::gl::drawStringRight ( const std::string str,
const Vec2f &  pos,
const ColorA &  color = ColorA( 1, 1, 1, 1 ),
Font  font = Font() 
)

Draws a right-justified string str with the center of its located at pos. Optional font and color affect the style.

void cinder::gl::draw ( const svg::Doc &  svg)
void cinder::gl::enableWireframe ( )
void cinder::gl::disableWireframe ( )
void cinder::gl::draw ( const PolyLine< Vec2f > &  polyLine)
void cinder::gl::draw ( const PolyLine< Vec3f > &  polyLine)
void cinder::gl::draw ( const Path2d &  path2d,
float  approximationScale 
)
void cinder::gl::draw ( const Shape2d &  shape2d,
float  approximationScale 
)
void cinder::gl::drawSolid ( const Path2d &  path2d,
float  approximationScale 
)
void cinder::gl::drawSolid ( const Shape2d &  shape2d,
float  approximationScale 
)
void cinder::gl::draw ( const VboMesh &  vbo)
void cinder::gl::drawRange ( const VboMesh &  vbo,
size_t  startIndex,
size_t  indexCount,
int  vertexStart,
int  vertexEnd 
)
void cinder::gl::drawArrays ( const VboMesh &  vbo,
GLint  first,
GLsizei  count 
)