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NCBI C++ ToolKit: src/gui/opengl/render_common.cpp Source File

: m_MatrixMode(GL_NONE)

, m_CurrentMode(GL_NONE)

, m_CurrentFont(

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default_color =

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CGlModel2D Base class for a model set up for rendering purposes.

CGlState Class to encapsulate Rendering state so that a set of user-selected GL state options can be ...

CGlVboNode A rendering node that holds a vertex buffer object.

virtual void TexCoord2f(GLfloat s, GLfloat t)

Texture coords.

virtual TModelUnit TextWidth(const CGlTextureFont *font, const char *text) const

virtual void Begin(GLenum mode)

Start rendering.

virtual TModelUnit GetFontDescender(const CGlTextureFont *font) const

virtual void BeginText(const CGlTextureFont *font, const CRgbaColor &color)

Text is drawn is pixel coordinates.

virtual void WriteText(TModelUnit x, TModelUnit y, const char *text, TModelUnit rotate_degrees=0.0)

Write text at specified model coords.

CGlVboNode m_RenderNode

vertex buffer node for rendering all Begin()/End() renders

CRef< CGlState > m_State

state used by all nodes

CRgbaColor m_TextColor

color and alpha for text only (other GL options do not apply to text)

virtual TModelUnit GetMaxWidth(const CGlTextureFont *font, int max_num) const

virtual void Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)

Rect() functions also do Begin() and End() (as in OpenGL)

GLenum m_CurrentMode

rendering mode from Begin()

virtual void Clear()

Clear/delete any graphics/OpenGL memory.

virtual TModelUnit GetAdvance(const CGlTextureFont *font, char c) const

virtual TModelUnit GetMetric(const CGlTextureFont *font, IGlFont::EMetric metric, const char *text=NULL, int len=-1) const

Calls the standard font metric functions except for pdf in which case it first replaces any bitmap fo...

const CGlTextureFont * m_CurrentFont

text parameters

virtual void Render(CGlPane &pane, CGlModel2D *model)

virtual TModelUnit TextHeight(const CGlTextureFont *font) const

virtual void EndText()

Pops matrices and attributes after writing text.

GLint m_Viewport[4]

current projection set by Viewport()

vector< CVect2< float > > m_TexCoord2DBuffer1

vector< CRgbaColor > m_ColorBuffer

void x_SyncAttribs(vector< CRgbaColor > &colors)

virtual void End()

Finish rendering (create buffer and send to renderer)

virtual void Viewport(GLint x, GLint y, GLsizei width, GLsizei height)

virtual void Vertex3f(GLfloat x, GLfloat y, GLfloat z)

Explicit support not currently available for: GLbyte, GlShort and GLint calls, e.g.

GLenum m_MatrixMode

current modelview matrix and matrix mode

virtual void GetViewport(GLint *params)

virtual void ColorC(const CRgbaColor &color)

Colors (also defined in IGlState since they can be set either before or inside of Begin()/End().

virtual void x_RenderBuffer(CGlVboNode *node)

vector< CVect3< float > > m_VertexBuffer

class CRgbaColor provides a simple abstraction for managing colors.

static const Colors colors

#define LOG_POST(message)

This macro is deprecated and it's strongly recomended to move in all projects (except tests) to macro...

void Error(CExceptionArgs_Base &args)

void SetTexCoordBuffer(const vector< CVect2< float > > &data)

GLenum GetPolygonMode() const

static CGlResMgr & Instance()

virtual CMatrix4< float > GetModelViewMatrix() const =0

CIRef< IRender > GetCurrentRenderer()

Returns current renderer, or NULL.

virtual void Render()

Set state and call x_Render() to render geometry.

IRender & GetGl()

convenience function for getting current render manager

void WriteText(TModelUnit x, TModelUnit y, const char *text, TModelUnit rotate_degrees=0.0) const

Write text at specified model coords.

CIRef< IVboGeom > GetVBOGeom()

void SetVertexBuffer3D(const vector< CVect3< float > > &data)

virtual TModelUnit GetFontDescender() const

void SetPosition(const CMatrix4< float > &mat)

Set 1 transformation and have it be "mat".

void SetState(CGlState *state)

Set/get current OpenGL state.

void SetVBOGeom(IVboGeom *geom)

Set/get geometry object. These can be shared between nodes.

void BeginText() const

WriteText interface The WriteText functions produce the same results as TextOut but they are more eff...

TModelUnit GetMaxWidth(int max_num) const

returns minimal space sufficient to render any number in [0, max_num].

CRgbaColor GetColor() const

void EndText() const

Pops matrices and attributes after writing text.

virtual TModelUnit GetMetric(EMetric metric, const char *text=NULL, int len=-1) const

virtual TModelUnit TextWidth(const char *text) const

Compute and return font metrics.

virtual TModelUnit TextHeight(void) const

void SetColorBuffer(const vector< CRgbaColor > &data)

virtual void Render(CGlPane &pane)

Draw to the screen.

TModelUnit GetAdvance(char c) const

virtual void ColorC(const CRgbaColor &c)

float GetBlue(void) const

float GetGreen(void) const

float GetAlpha(void) const

const float * GetColorArray(void) const

Access the color array directly.

float GetRed(void) const

Get specific channels in floating point values.

TObjectType * GetPointer(void) THROWS_NONE

Get pointer,.

void Reset(void)

Reset reference object.

TObjectType & GetObject(void)

Get object.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

static void text(MDB_val *v)

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