ftbbox.c File Reference

#include <ft2build.h>

Go to the source code of this file.

Data Structures
struct	TBBox_Rec
Defines
#define	CHECK_X(p, bbox)   ( p->x < bbox.xMin || p->x > bbox.xMax )
#define	CHECK_Y(p, bbox)   ( p->y < bbox.yMin || p->y > bbox.yMax )
Functions
static int	BBox_Move_To (FT_Vector *to, TBBox_Rec *user)
static void	BBox_Conic_Check (FT_Pos y1, FT_Pos y2, FT_Pos y3, FT_Pos *min, FT_Pos *max)
static int	BBox_Conic_To (FT_Vector *control, FT_Vector *to, TBBox_Rec *user)
static void	test_cubic_extrema (FT_Pos y1, FT_Pos y2, FT_Pos y3, FT_Pos y4, FT_Fixed u, FT_Pos *min, FT_Pos *max)
static void	BBox_Cubic_Check (FT_Pos y1, FT_Pos y2, FT_Pos y3, FT_Pos y4, FT_Pos *min, FT_Pos *max)
static int	BBox_Cubic_To (FT_Vector *control1, FT_Vector *control2, FT_Vector *to, TBBox_Rec *user)
	FT_DEFINE_OUTLINE_FUNCS (bbox_interface,(FT_Outline_MoveTo_Func) BBox_Move_To,(FT_Outline_LineTo_Func) BBox_Move_To,(FT_Outline_ConicTo_Func) BBox_Conic_To,(FT_Outline_CubicTo_Func) BBox_Cubic_To, 0, 0) FT_Outline_Get_BBox(FT_Outline *outline
	if (!abbox) return FT_Err_Invalid_Argument
	if (outline->n_points==0||outline->n_contours<=0)
	for (n=1;n< outline->n_points;n++)
	if (cbox.xMin< bbox.xMin||cbox.xMax > bbox.xMax||cbox.yMin< bbox.yMin||cbox.yMax > bbox.yMax)
Variables
FT_BBox *abbox FT_BBox	cbox
FT_BBox	bbox
FT_Vector *	vec = outline->points
FT_UShort	n
bbox	xMin = bbox.xMax = cbox.xMin = cbox.xMax = vec->x
bbox	yMin = bbox.yMax = cbox.yMin = cbox.yMax = vec->y
else *	abbox = bbox
return	FT_Err_Ok