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css/utils.c: Fix vw/vh handling in len2pt 

We were using integer multiplication rather than fixed-point
multiplication when calculating point sizes relative to the viewport.

This fixes that.

Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
This commit is contained in:
Daniel Silverstone 2019-06-30 11:27:58 +01:00
parent 6a53b447e5
commit 43f8e77df7
1 changed files with 2 additions and 2 deletions
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4
content/handlers/css/utils.c
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@ -117,8 +117,8 @@ css_fixed nscss_len2pt(
case CSS_UNIT_PT: return length;
/* 1pc = 12pt */
case CSS_UNIT_PC: return FMUL(length, INTTOFIX(12));
case CSS_UNIT_VH: return FDIV(FMUL(FDIV((length * ctx->vh), F_100), F_72), F_96);
case CSS_UNIT_VW: return FDIV(FMUL(FDIV((length * ctx->vw), F_100), F_72), F_96);
case CSS_UNIT_VH: return FDIV(FMUL(FDIV(FMUL(length, ctx->vh), F_100), F_72), F_96);
case CSS_UNIT_VW: return FDIV(FMUL(FDIV(FMUL(length,ctx->vw), F_100), F_72), F_96);
default: break;
}