ttinterp.c: Improve documentation of engine compensation.
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@ -1109,11 +1109,17 @@
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tt_metrics->rotated = FALSE;
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tt_metrics->stretched = FALSE;
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/* set default engine compensation */
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tt_metrics->compensations[0] = 0; /* gray */
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tt_metrics->compensations[1] = 0; /* black */
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tt_metrics->compensations[2] = 0; /* white */
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tt_metrics->compensations[3] = 0; /* reserved */
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/* Set default engine compensation. Value 3 is not described */
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/* in the OpenType specification (as of Mai 2019), but Greg */
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/* says that MS handles it the same as `gray'. */
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/* */
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/* The Apple specification says that the compensation for */
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/* `gray' is always zero. FreeType doesn't do any */
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/* compensation at all. */
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tt_metrics->compensations[0] = 0; /* gray */
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tt_metrics->compensations[1] = 0; /* black */
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tt_metrics->compensations[2] = 0; /* white */
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tt_metrics->compensations[3] = 0; /* the same as gray */
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}
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/* allocate function defs, instruction defs, cvt, and storage area */
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