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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/rasterizer_8hpp_source.html below:

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

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1 #ifndef GUI_OPENGL___RASTERIZER__HPP 2 #define GUI_OPENGL___RASTERIZER__HPP 61  TVPUnit

vp_len = vp_max - vp_min;

63  if

(vp_len <= 0) vp_len = 1;

74  bool

intersect = ! (pix_to_open <= 0 || pix_from >= vp_len);

83  if

(pix_to_open - pix_from < 1.0 && pix_left != pix_right) {

86  int

left_index = (

int

) pix_left;

87  int

right_index = (

int

) pix_right;

89  if

(left_index == right_index) {

92  float

fraction = float(pix_to_open - pix_from);

93

f_add(

m_Raster

[left_index], attr, fraction,

false

);

95  if

(pix_left < pix_from) {

97  float

fraction = float(pix_left + 1 - pix_from);

98

f_add(

m_Raster

[left_index], attr, fraction,

true

);

101  if

(pix_right < pix_to_open) {

103  float

fraction = float(pix_to_open - pix_right);

104

f_add(

m_Raster

[right_index], attr, fraction,

true

);

107  for

(

int i

= left_index;

i

<= right_index;

i

++ ) {

109

f_add(

m_Raster

[

i

], attr, 1.0,

true

);

Include a standard set of the NCBI C++ Toolkit most basic headers.

const TRaster & GetRaster() const

TModelUnit Project(TModelUnit pos) const

void AddInterval(TModelUnit min, TModelUnit max, const A &attr, F f_add)

CRasterizer(TVPUnit vp_min, TVPUnit vp_max, TModelUnit min, TModelUnit max)

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

unsigned int

A callback function used to compare two keys in a database.

#define F(x)

Make a parametrized function appear to have only one variable.

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