51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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#ifndef LSTFLOW_DEFINED
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#define LSTFLOW_DEFINED
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#include "lsdefs.h"
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typedef DWORD LSTFLOW;
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#define lstflowDefault 0
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#define lstflowES 0
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#define lstflowEN 1
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#define lstflowSE 2
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#define lstflowSW 3
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#define lstflowWS 4
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#define lstflowWN 5
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#define lstflowNE 6
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#define lstflowNW 7
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/*
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* The eight possible text flows are listed clockwise starting with default (Latin) one.
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*
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* lstflowES is the coordinate system used when line grows to East and text grows to South.
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* (Next letter is to the right (east) of previous, next line is created below (south) the previous.)
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*
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* For lstflowES positive u moves to the right, positive v moves up. (V axis is always in the direction
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* of ascender, opposite to text growing direction.
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*
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* Notice it is not the way axes are pointing in the default Windows mapping mode MM_TEXT.
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* In MM_TEXT vertical (y) axis increase from top to bottom,
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* in lstflowES vertical (v) axis increase from bottom to top.
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*/
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#define fUDirection 0x00000004L
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#define fVDirection 0x00000001L
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#define fUVertical 0x00000002L
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/*
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* The three bits that constitute lstflow happens to have well defined meanings.
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*
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* Middle bit: on for vertical writing, off for horizontal.
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* First (low value) bit: "on" means v-axis points right or down (positive).
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* Third bit: "off" means u-axis points right or down (positive).
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*
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* See examples of usage in lstfset.c
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*
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*/
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#endif /* !LSTFLOW_DEFINED */
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