agg Namespace Reference

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Detailed Description

Anti-grain graphics library.

Typedefs
typedef signed char	int8
typedef unsigned char	int8u
typedef signed short	int16
typedef unsigned short	int16u
typedef signed int	int32
typedef unsigned int	int32u
typedef unsigned char	cover_type
typedef rect_base< int >	rect
typedef rect_base< double >	rect_d
typedef pixfmt_gray8_base< 1, 0 >	pixfmt_gray8
typedef pixfmt_gray8_base< 3, 0 >	pixfmt_gray8_rgb24r
typedef pixfmt_gray8_base< 3, 1 >	pixfmt_gray8_rgb24g
typedef pixfmt_gray8_base< 3, 2 >	pixfmt_gray8_rgb24b
typedef pixfmt_gray8_base< 3, 2 >	pixfmt_gray8_bgr24r
typedef pixfmt_gray8_base< 3, 1 >	pixfmt_gray8_bgr24g
typedef pixfmt_gray8_base< 3, 0 >	pixfmt_gray8_bgr24b
typedef pixfmt_gray8_base< 4, 0 >	pixfmt_gray8_rgba32r
typedef pixfmt_gray8_base< 4, 1 >	pixfmt_gray8_rgba32g
typedef pixfmt_gray8_base< 4, 2 >	pixfmt_gray8_rgba32b
typedef pixfmt_gray8_base< 4, 3 >	pixfmt_gray8_rgba32a
typedef pixfmt_gray8_base< 4, 1 >	pixfmt_gray8_argb32r
typedef pixfmt_gray8_base< 4, 2 >	pixfmt_gray8_argb32g
typedef pixfmt_gray8_base< 4, 3 >	pixfmt_gray8_argb32b
typedef pixfmt_gray8_base< 4, 0 >	pixfmt_gray8_argb32a
typedef pixfmt_gray8_base< 4, 2 >	pixfmt_gray8_bgra32r
typedef pixfmt_gray8_base< 4, 1 >	pixfmt_gray8_bgra32g
typedef pixfmt_gray8_base< 4, 0 >	pixfmt_gray8_bgra32b
typedef pixfmt_gray8_base< 4, 3 >	pixfmt_gray8_bgra32a
typedef pixfmt_gray8_base< 4, 3 >	pixfmt_gray8_abgr32r
typedef pixfmt_gray8_base< 4, 2 >	pixfmt_gray8_abgr32g
typedef pixfmt_gray8_base< 4, 1 >	pixfmt_gray8_abgr32b
typedef pixfmt_gray8_base< 4, 0 >	pixfmt_gray8_abgr32a
typedef pixel_formats_rgba32< order_rgba32 >	pixfmt_rgba32
typedef pixel_formats_rgba32< order_argb32 >	pixfmt_argb32
typedef pixel_formats_rgba32< order_abgr32 >	pixfmt_abgr32
typedef pixel_formats_rgba32< order_bgra32 >	pixfmt_bgra32
typedef row_ptr_cache< int8u >	rendering_buffer
typedef scanline_u< int8u >	scanline_u8
typedef scanline_u< int16u >	scanline_u16
typedef scanline_u< int32u >	scanline_u32
Enumerations
enum	{ cover_shift = 8, cover_size = 1 << cover_shift, cover_mask = cover_size - 1, cover_none = 0, cover_full = cover_mask }
enum	path_commands_e {   path_cmd_stop = 0, path_cmd_move_to = 1, path_cmd_line_to = 2, path_cmd_curve3 = 3, path_cmd_curve4 = 4, path_cmd_end_poly = 6,   path_cmd_mask = 0x0F }
enum	path_flags_e { path_flags_none = 0, path_flags_ccw = 0x10, path_flags_cw = 0x20, path_flags_close = 0x40, path_flags_mask = 0xF0 }
enum	{ qsort_threshold = 9 }
enum	{ poly_base_shift = 8, poly_base_size = 1 << poly_base_shift, poly_base_mask = poly_base_size - 1 }
enum	filling_rule_e { fill_non_zero, fill_even_odd }
enum	{ gradient_subpixel_shift = 4, gradient_subpixel_size = 1 << gradient_subpixel_shift, gradient_subpixel_mask = gradient_subpixel_size - 1 }
Functions
double	deg2rad (double deg)
double	rad2deg (double rad)
template<class Rect>
Rect	intersect_rectangles (const Rect &r1, const Rect &r2)
template<class Rect>
Rect	unite_rectangles (const Rect &r1, const Rect &r2)
bool	is_vertex (unsigned c)
bool	is_stop (unsigned c)
bool	is_move_to (unsigned c)
bool	is_line_to (unsigned c)
bool	is_curve (unsigned c)
bool	is_curve3 (unsigned c)
bool	is_curve4 (unsigned c)
bool	is_end_poly (unsigned c)
bool	is_close (unsigned c)
bool	is_next_poly (unsigned c)
bool	is_cw (unsigned c)
bool	is_ccw (unsigned c)
bool	is_oriented (unsigned c)
bool	is_closed (unsigned c)
unsigned	get_close_flag (unsigned c)
unsigned	clear_orientation (unsigned c)
unsigned	get_orientation (unsigned c)
unsigned	set_orientation (unsigned c, unsigned o)
template<class T>
unsigned	clipping_flags (T x, T y, const rect_base< T > &clip_box)
template<class T>
unsigned	clip_liang_barsky (T x1, T y1, T x2, T y2, const rect_base< T > &clip_box, T *x, T *y)
rgba	rgba_pre (double r, double g, double b, double a=1.0)
rgba	rgba_pre (const rgba &c)
rgba	rgba_pre (const rgba &c, double a)
rgba8	rgba8_pre (unsigned r, unsigned g, unsigned b, unsigned a=255)
rgba8	rgba8_pre (const rgba &c)
rgba8	rgba8_pre (const rgba8 &c, unsigned a)
double	calc_point_location (double x1, double y1, double x2, double y2, double x, double y)
bool	point_in_triangle (double x1, double y1, double x2, double y2, double x3, double y3, double x, double y)
double	calc_distance (double x1, double y1, double x2, double y2)
double	calc_point_line_distance (double x1, double y1, double x2, double y2, double x, double y)
bool	calc_intersection (double ax, double ay, double bx, double by, double cx, double cy, double dx, double dy, double *x, double *y)
void	calc_orthogonal (double thickness, double x1, double y1, double x2, double y2, double *x, double *y)
void	dilate_triangle (double x1, double y1, double x2, double y2, double x3, double y3, double *x, double *y, double d)
template<class Storage>
double	calc_polygon_area (const Storage &st)
unsigned	fast_sqrt (unsigned val)
int16u	rgb555 (unsigned r, unsigned g, unsigned b)
int16u	rgb565 (unsigned r, unsigned g, unsigned b)
template<class T>
static void	swap_cells (T *a, T *b)
template<class T>
static bool	less_than (T *a, T *b)
int	poly_coord (double c)
template<class Rasterizer, class Scanline, class Renderer>
void	render_scanlines (Rasterizer &ras, Scanline &sl, Renderer &ren)
template<class Rasterizer, class Scanline, class Renderer, class VertexSource, class ColorStorage, class PathId>
void	render_all_paths (Rasterizer &ras, Scanline &sl, Renderer &r, VertexSource &vs, const ColorStorage &as, const PathId &id, unsigned num_paths)
bool	is_equal_eps (double v1, double v2, double epsilon)
Variables
const double	pi = 3.14159265358979323846
const double	intersection_epsilon = 1.0e-8
int16u	g_sqrt_table [1024]
int8	g_elder_bit_table [256]
const double	affine_epsilon = 1e-14

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Variable Documentation

int8 agg::g_elder_bit_table

Initial value: { 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 }

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