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38 lines
1.1 KiB
38 lines
1.1 KiB
#ifndef LSTFSET_DEFINED
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#define LSTFSET_DEFINED
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/* Service routines for some standard text flow change tasks */
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#include "lsdefs.h"
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#include "lstflow.h"
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/*
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* LsPointXYFromPointUV calculates pointxyOut given (x,y) pointxyIn and (u,v) vector
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*
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* (pointxyOut = pointxyIn + vectoruv)
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*/
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LSERR WINAPI LsPointXYFromPointUV(const POINT*, /* IN: input point (x,y) */
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LSTFLOW, /* IN: text flow for */
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PCPOINTUV, /* IN: vector in (u,v) */
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POINT*); /* OUT: (x,y) point */
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/*
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* LsPointUV1FromPointUV2 calculates vector in uv2 coordinates given begin and end of it in uv1.
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*
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* (vectorUV22 = pointUV1b - pointUV1a)
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*
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* Usually pointUV1a is the starting point of uv2 coordinate system and it is easier to think
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* about output vector as a point in it.
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*/
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LSERR WINAPI LsPointUV2FromPointUV1(LSTFLOW, /* IN: text flow 1 (TF1) */
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PCPOINTUV, /* IN: starting point (TF1) */
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PCPOINTUV, /* IN: ending point (TF1) */
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LSTFLOW, /* IN: text flow 2 (TF2) */
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PPOINTUV); /* OUT: vector in TF2 */
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#endif /* !LSTFSET_DEFINED */
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