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NCBI C++ ToolKit: include/gui/opengl/render_common.hpp Source File

();

(GLfloat x, GLfloat y, GLfloat z);

(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);

= -1)

;

(GLint x, GLint y, GLsizei width, GLsizei height);

x_RenderBuffer(

* node);

x_SyncAttribs(vector<CRgbaColor>&

);

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

CGlVboNode A rendering node that holds a vertex buffer object.

virtual void EndClippingRect()

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)

GLenum m_CurrentMode

rendering mode from Begin()

virtual void SetIsGreyscale(bool)

const CGlTextureFont * m_CurrentFont

text parameters

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

virtual bool IsSimplified() const

vector< CVect2< float > > m_TexCoord2DBuffer1

void SetTextColor(const CRgbaColor &color)

Update text color and alpha.

virtual CRef< CGlState > GetState()

Allow caller to access state directly.

CRgbaColor GetTextColor() const

vector< CRgbaColor > m_ColorBuffer

GLenum m_MatrixMode

current modelview matrix and matrix mode

virtual void ResetState()

virtual ERenderTarget GetApi()

Overridden in subclasses to return the supported rendering target.

vector< CVect3< float > > m_VertexBuffer

virtual bool IsPrinterFriendly() const

class CRgbaColor provides a simple abstraction for managing colors.

static const Colors colors

virtual void Clear()=0

Clear/delete any graphics/OpenGL memory.

virtual void Viewport(GLint x, GLint y, GLsizei width, GLsizei height)=0

virtual void TexCoord2f(GLfloat s, GLfloat t)=0

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

virtual void Begin(GLenum mode)=0

Start rendering.

virtual void Render(CGlPane &pane, CGlModel2D *model)=0

virtual TModelUnit TextHeight(const CGlTextureFont *font) const =0

virtual void BeginText(const CGlTextureFont *font, const CRgbaColor &color)=0

Text is drawn is pixel coordinates.

virtual TModelUnit TextWidth(const CGlTextureFont *font, const char *text) const =0

virtual void EndText()=0

Pops matrices and attributes after writing text.

virtual TModelUnit GetMaxWidth(const CGlTextureFont *font, int max_num) const =0

ERenderTarget

Different api levels based on information from OpenGL driver.

virtual void End()=0

Finish rendering (create buffer and send to renderer)

virtual void WriteText(TModelUnit x, TModelUnit y, const char *text, TModelUnit rotate_degrees=0.0)=0

Write text at specified model coords.

virtual TModelUnit GetMetric(const CGlTextureFont *font, IGlFont::EMetric metric, const char *text=NULL, int len=-1) const =0

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

virtual void Vertex3f(GLfloat x, GLfloat y, GLfloat z)=0

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

virtual void Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)=0

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

virtual void ColorC(const CRgbaColor &c)=0

Set current color (glColor{3,4}{f,d}{v,})

virtual void GetViewport(GLint *params)=0

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

#define NCBI_GUIOPENGL_EXPORT

static void text(MDB_val *v)

Standard mechanism to include OpenGL headers for all platforms.

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