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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/histogram__graph_8cpp_source.html below:

NCBI C++ ToolKit: src/gui/widgets/gl/histogram_graph.cpp Source File

43

: m_MinColor(1.0f, 1.0f, 1.0f),

44

m_MaxColor(0.0f, 0.0f, 0.0f),

97 const static double

kMaxRatio = 4.0;

98 const static double

kRatio = 2.0;

109 bool

outside = vis_start < start || vis_stop > (stop + 1);

111 TModelUnit

ratio = (vis_stop - vis_start) / (stop - start + 1);

112 bool

bad_scale = ratio > kMaxRatio || ratio < (1 / kMaxRatio);

114 if

(outside || bad_scale) {

116 TModelUnit

center = (vis_start + vis_stop) / 2;

117 TModelUnit

range = (vis_stop - vis_start) * kRatio;

120

range =

min

(range, max_pos);

122

new_start = center - range / 2;

123

new_stop = new_start + range;

126

new_stop = new_start + range;

127

}

else if

(new_stop > max_pos) {

129

new_start = new_stop - range;

144 CGlAttrGuard

guard(GL_LINE_BIT | GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT );

148

gl.

BlendFunc

(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

171 for

(

auto i

= 0;

count

;

++ ) {

173 double

norm = (max_v > 0.00001) ? (

value

/ max_v) : 0;

178 double

pos = start +

* d;

181

gl.

Rectd

(x1, z1, x1 + d, z2);

184

gl.

Rectd

(z1, y1, z2, y1 + d);

196 static const int

kGraphSize = 12;

197 return TVPPoint

(kGraphSize, kGraphSize);

CGlAttrGuard - guard class for restoring OpenGL attributes.

virtual ~CHistogramGraph()

CHistogramGraph(bool b_horz)

virtual bool NeedTooltip(CGlPane &pane, int vp_x, int vp_y)

void SetProperties(const SProperties &props)

virtual IHistogramGraphDS * GetDataSource()

CIRef< IHistogramGraphDS > m_DataSource

virtual string GetTooltip()

CRgbaGradColorTable m_ColorTable

virtual TVPPoint PreferredSize()

virtual void x_RenderHistogram(CGlPane &pane)

virtual void SetDataSource(IHistogramGraphDS *ds)

virtual void Render(CGlPane &pane)

const SProperties & GetProperties() const

class CRgbaColor provides a simple abstraction for managing colors.

IHistogramGraphDS interface.

virtual void Enable(GLenum glstate)=0

CGlPoint< TVPUnit > TVPPoint

virtual void BlendFunc(GLenum sfactor, GLenum dfactor)=0

Options to be used when GL_BLEND is enabled.

IRender & GetGl()

convenience function for getting current render manager

void RectC(const TVPRect &rc)

TModelUnit GetOffsetY() const

void SetSize(size_t size)

void FillGradient(const CRgbaColor &start_c, const CRgbaColor &end_c)

initialize the whole table with gradient colors in [start_c, end_c] range

bool PtInRect(T x, T y) const

virtual void PolygonMode(GLenum face, GLenum mode)=0

Set the polygon rasterization mode.

int GetIndex(double norm) const

returns color index by the normalized value; normalized values is a value in the [0....

TModelRect & GetVisibleRect(void)

virtual void Disable(GLenum glstate)=0

glDisable()

TModelUnit GetOffsetX() const

virtual void ColorC(const CRgbaColor &c)=0

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

void Rectd(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2)

CRgbaColor & GetColor(size_t i)

TObjectType * GetPointer(void) THROWS_NONE

Get pointer,.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

const GenericPointer< typename T::ValueType > T2 value

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