rasterizer.cpp File Reference

#include "rasterizer.h"
#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <map>
#include <set>
#include <utility>
#include <vector>
#include "../commonutil.h"
#include "../bitmap/bitmap.h"
#include "../bitmap/rgba.h"
#include "../shape/circle.h"
#include "../shape/ellipse.h"
#include "../shape/line.h"
#include "../shape/polyline.h"
#include "../shape/quadraticbezier.h"
#include "../shape/rectangle.h"
#include "../shape/rotatedellipse.h"
#include "../shape/rotatedrectangle.h"
#include "../shape/triangle.h"
#include "scanline.h"

Namespaces
namespace	geometrize

Functions
std::vector< std::pair< float, float > >	geometrize::getCornerPoints (const geometrize::RotatedRectangle &r)
	getCornerPoints Gets the corner points of the given rotated rectangle. More...
std::vector< std::pair< float, float > >	geometrize::getPointsOnRotatedEllipse (const geometrize::RotatedEllipse &e, std::size_t numPoints)
	getPointsOnRotatedEllipse Calculates and returns a number of points on the given rotated ellipse. More...
void	geometrize::drawLines (geometrize::Bitmap &image, geometrize::rgba color, const std::vector< geometrize::Scanline > &lines)
	drawLines Draws scanlines onto an image. More...
void	geometrize::copyLines (geometrize::Bitmap &destination, const geometrize::Bitmap &source, const std::vector< geometrize::Scanline > &lines)
	copyLines Copies source pixels to a destination defined by a set of scanlines. More...
std::vector< std::pair< std::int32_t, std::int32_t > >	geometrize::bresenham (std::int32_t x1, std::int32_t y1, std::int32_t x2, std::int32_t y2)
	bresenham Bresenham's line algorithm. Returns the points on the line. More...
std::vector< geometrize::Scanline >	geometrize::scanlinesForPolygon (const std::vector< std::pair< float, float > > &points)
	scanlinesForPolygon Gets the scanlines for a series of points that make up an arbitrary polygon. More...
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Shape &s, std::int32_t xMin, std::int32_t yMin, std::int32_t xMax, std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Circle &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Ellipse &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Line &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Polyline &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::QuadraticBezier &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Rectangle &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::RotatedEllipse &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::RotatedRectangle &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< geometrize::Scanline >	geometrize::rasterize (const geometrize::Triangle &s, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
bool	geometrize::scanlinesOverlap (const std::vector< geometrize::Scanline > &first, const std::vector< geometrize::Scanline > &second)
	scanlinesOverlap Returns true if any of the scanlines from the first vector overlap the second More...
bool	geometrize::scanlinesContain (const std::vector< geometrize::Scanline > &first, const std::vector< geometrize::Scanline > &second)
	scanlinesContain Returns true if the first vector of scanlines wholly contain the second vector of scanlines. More...
bool	geometrize::shapesOverlap (const geometrize::Shape &a, const geometrize::Shape &b, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
bool	geometrize::shapeContains (const geometrize::Shape &container, const geometrize::Shape &containee, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)
std::vector< std::pair< std::int32_t, std::int32_t > >	geometrize::shapeToPixels (const geometrize::Shape &shape, const std::int32_t xMin, const std::int32_t yMin, const std::int32_t xMax, const std::int32_t yMax)