mirror of
https://github.com/buserror/mii_emu.git
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142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
#ifndef __XFT_H__
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#define __XFT_H__
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#include <assert.h>
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#include <limits.h>
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#include <setjmp.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <float.h>
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/*
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* type
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*/
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typedef signed long XCG_FT_Fixed;
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typedef signed int XCG_FT_Int;
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typedef unsigned int XCG_FT_UInt;
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typedef signed long XCG_FT_Long;
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typedef unsigned long XCG_FT_ULong;
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typedef signed short XCG_FT_Short;
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typedef unsigned char XCG_FT_Byte;
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typedef unsigned char XCG_FT_Bool;
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typedef int XCG_FT_Error;
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typedef signed long XCG_FT_Pos;
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typedef struct XCG_FT_Vector_ {
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XCG_FT_Pos x;
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XCG_FT_Pos y;
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} XCG_FT_Vector;
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/*
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* math
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*/
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typedef XCG_FT_Fixed XCG_FT_Angle;
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XCG_FT_Long XCG_FT_MulFix(XCG_FT_Long a, XCG_FT_Long b);
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XCG_FT_Long XCG_FT_MulDiv(XCG_FT_Long a, XCG_FT_Long b, XCG_FT_Long c);
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XCG_FT_Long XCG_FT_DivFix(XCG_FT_Long a, XCG_FT_Long b);
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XCG_FT_Fixed XCG_FT_Sin(XCG_FT_Angle angle);
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XCG_FT_Fixed XCG_FT_Cos(XCG_FT_Angle angle);
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XCG_FT_Fixed XCG_FT_Tan(XCG_FT_Angle angle);
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XCG_FT_Angle XCG_FT_Atan2(XCG_FT_Fixed x, XCG_FT_Fixed y);
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XCG_FT_Angle XCG_FT_Angle_Diff(XCG_FT_Angle angle1, XCG_FT_Angle angle2);
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void XCG_FT_Vector_Unit(XCG_FT_Vector *vec, XCG_FT_Angle angle);
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void XCG_FT_Vector_Rotate(XCG_FT_Vector *vec, XCG_FT_Angle angle);
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XCG_FT_Fixed XCG_FT_Vector_Length(XCG_FT_Vector *vec);
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void XCG_FT_Vector_Polarize(XCG_FT_Vector *vec, XCG_FT_Fixed *length, XCG_FT_Angle *angle);
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void XCG_FT_Vector_From_Polar(XCG_FT_Vector *vec, XCG_FT_Fixed length, XCG_FT_Angle angle);
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/*
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* raster
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*/
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typedef struct XCG_FT_BBox_ {
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XCG_FT_Pos xMin, yMin;
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XCG_FT_Pos xMax, yMax;
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} XCG_FT_BBox;
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typedef struct XCG_FT_Outline_ {
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int n_contours;
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int n_points;
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XCG_FT_Vector * points;
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char * tags;
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int * contours;
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char * contours_flag;
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int flags;
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} XCG_FT_Outline;
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#define XCG_FT_OUTLINE_NONE 0x0
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#define XCG_FT_OUTLINE_OWNER 0x1
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#define XCG_FT_OUTLINE_EVEN_ODD_FILL 0x2
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#define XCG_FT_OUTLINE_REVERSE_FILL 0x4
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#define XCG_FT_CURVE_TAG(flag) (flag & 3)
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#define XCG_FT_CURVE_TAG_ON 1
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#define XCG_FT_CURVE_TAG_CONIC 0
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#define XCG_FT_CURVE_TAG_CUBIC 2
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#define XCG_FT_Curve_Tag_On XCG_FT_CURVE_TAG_ON
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#define XCG_FT_Curve_Tag_Conic XCG_FT_CURVE_TAG_CONIC
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#define XCG_FT_Curve_Tag_Cubic XCG_FT_CURVE_TAG_CUBIC
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typedef struct XCG_FT_Span_ {
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int x;
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int len;
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int y;
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unsigned char coverage;
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} XCG_FT_Span;
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typedef void (*XCG_FT_SpanFunc)(int count, const XCG_FT_Span * spans, void * user);
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#define XCG_FT_Raster_Span_Func XCG_FT_SpanFunc
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#define XCG_FT_RASTER_FLAG_DEFAULT 0x0
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#define XCG_FT_RASTER_FLAG_AA 0x1
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#define XCG_FT_RASTER_FLAG_DIRECT 0x2
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#define XCG_FT_RASTER_FLAG_CLIP 0x4
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typedef struct XCG_FT_Raster_Params_ {
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const void * source;
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int flags;
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XCG_FT_SpanFunc gray_spans;
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void * user;
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XCG_FT_BBox clip_box;
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} XCG_FT_Raster_Params;
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XCG_FT_Error XCG_FT_Outline_Check(XCG_FT_Outline * outline);
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void XCG_FT_Outline_Get_CBox(const XCG_FT_Outline * outline, XCG_FT_BBox * acbox);
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void XCG_FT_Raster_Render(const XCG_FT_Raster_Params * params);
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/*
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* stroker
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*/
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typedef struct XCG_FT_StrokerRec_ * XCG_FT_Stroker;
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typedef enum XCG_FT_Stroker_LineJoin_ {
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XCG_FT_STROKER_LINEJOIN_ROUND = 0,
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XCG_FT_STROKER_LINEJOIN_BEVEL = 1,
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XCG_FT_STROKER_LINEJOIN_MITER_VARIABLE = 2,
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XCG_FT_STROKER_LINEJOIN_MITER = XCG_FT_STROKER_LINEJOIN_MITER_VARIABLE,
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XCG_FT_STROKER_LINEJOIN_MITER_FIXED = 3,
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} XCG_FT_Stroker_LineJoin;
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typedef enum XCG_FT_Stroker_LineCap_ {
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XCG_FT_STROKER_LINECAP_BUTT = 0,
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XCG_FT_STROKER_LINECAP_ROUND = 1,
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XCG_FT_STROKER_LINECAP_SQUARE = 2,
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} XCG_FT_Stroker_LineCap;
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typedef enum XCG_FT_StrokerBorder_ {
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XCG_FT_STROKER_BORDER_LEFT = 0,
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XCG_FT_STROKER_BORDER_RIGHT = 1,
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} XCG_FT_StrokerBorder;
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XCG_FT_Error XCG_FT_Stroker_New(XCG_FT_Stroker * astroker);
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void XCG_FT_Stroker_Set(XCG_FT_Stroker stroker, XCG_FT_Fixed radius, XCG_FT_Stroker_LineCap line_cap, XCG_FT_Stroker_LineJoin line_join, XCG_FT_Fixed miter_limit);
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XCG_FT_Error XCG_FT_Stroker_ParseOutline(XCG_FT_Stroker stroker, const XCG_FT_Outline * outline);
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XCG_FT_Error XCG_FT_Stroker_GetCounts(XCG_FT_Stroker stroker, XCG_FT_UInt * anum_points, XCG_FT_UInt * anum_contours);
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void XCG_FT_Stroker_Export(XCG_FT_Stroker stroker, XCG_FT_Outline * outline);
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void XCG_FT_Stroker_Done(XCG_FT_Stroker stroker);
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#endif /* __XFT_H__ */
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