Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-09-29 05:54:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

[WIN32SS:NTGDI] IntEscapeMatrix(): Use FreeType trigonometric functions instead of CRT ones.

Browse source
This commit is contained in:
Hermès Bélusca-Maïto 2019-04-14 01:19:03 +02:00
parent 7334567211
commit 61475b9fed
No known key found for this signature in database
GPG key ID: 3B2539C65E7B93D0
1 changed files with 40 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

77
win32ss/gdi/ntgdi/freetype.c
View file

@ -336,6 +336,39 @@ SharedFace_Release(PSHARED_FACE Ptr)
IntUnLockFreeType();
}
static __inline void FTVectorToPOINTFX(FT_Vector *vec, POINTFX *pt)
{
pt->x.value = vec->x >> 6;
pt->x.fract = (vec->x & 0x3f) << 10;
pt->x.fract |= ((pt->x.fract >> 6) | (pt->x.fract >> 12));
pt->y.value = vec->y >> 6;
pt->y.fract = (vec->y & 0x3f) << 10;
pt->y.fract |= ((pt->y.fract >> 6) | (pt->y.fract >> 12));
}
/*
This function builds an FT_Fixed from a float. It puts the integer part
in the highest 16 bits and the decimal part in the lowest 16 bits of the FT_Fixed.
It fails if the integer part of the float number is greater than SHORT_MAX.
*/
static __inline FT_Fixed FT_FixedFromFloat(FLOAT f)
{
short value = f;
unsigned short fract = (f - value) * 0xFFFF;
return (FT_Fixed)((long)value << 16 | (unsigned long)fract);
}
/*
This function builds an FT_Fixed from a FIXED. It simply put f.value
in the highest 16 bits and f.fract in the lowest 16 bits of the FT_Fixed.
*/
static __inline FT_Fixed FT_FixedFromFIXED(FIXED f)
{
return (FT_Fixed)((long)f.value << 16 | (unsigned long)f.fract);
}
#if DBG
VOID DumpFontGDI(PFONTGDI FontGDI)
{
@ -685,10 +718,11 @@ VOID FASTCALL IntWidthMatrix(FT_Face face, FT_Matrix *pmat, LONG lfWidth)
VOID FASTCALL IntEscapeMatrix(FT_Matrix *pmat, LONG lfEscapement)
{
double radian = (lfEscapement * M_PI) / 180 / 10;
pmat->xx = (FT_Fixed)(cos(radian) * (1 << 16));
pmat->xy = (FT_Fixed)(-sin(radian) * (1 << 16));
FT_Vector vecAngle;
FT_Angle angle = FT_FixedFromFloat((FLOAT)(lfEscapement * M_PI) / (FLOAT)(180 * 10));
FT_Vector_Unit(&vecAngle, angle);
pmat->xx = vecAngle.x;
pmat->xy = -vecAngle.y;
pmat->yx = -pmat->xy;
pmat->yy = pmat->xx;
}
@ -2970,37 +3004,6 @@ ftGdiGlyphCacheSet(
}
static void FTVectorToPOINTFX(FT_Vector *vec, POINTFX *pt)
{
pt->x.value = vec->x >> 6;
pt->x.fract = (vec->x & 0x3f) << 10;
pt->x.fract |= ((pt->x.fract >> 6) | (pt->x.fract >> 12));
pt->y.value = vec->y >> 6;
pt->y.fract = (vec->y & 0x3f) << 10;
pt->y.fract |= ((pt->y.fract >> 6) | (pt->y.fract >> 12));
}
/*
This function builds an FT_Fixed from a float. It puts the integer part
in the highest 16 bits and the decimal part in the lowest 16 bits of the FT_Fixed.
It fails if the integer part of the float number is greater than SHORT_MAX.
*/
static __inline FT_Fixed FT_FixedFromFloat(float f)
{
short value = f;
unsigned short fract = (f - value) * 0xFFFF;
return (FT_Fixed)((long)value << 16 | (unsigned long)fract);
}
/*
This function builds an FT_Fixed from a FIXED. It simply put f.value
in the highest 16 bits and f.fract in the lowest 16 bits of the FT_Fixed.
*/
static __inline FT_Fixed FT_FixedFromFIXED(FIXED f)
{
return (FT_Fixed)((long)f.value << 16 | (unsigned long)f.fract);
}
static unsigned int get_native_glyph_outline(FT_Outline *outline, unsigned int buflen, char *buf)
{
TTPOLYGONHEADER *pph;
@ -3545,7 +3548,7 @@ ftGdiGetGlyphOutline(
if (aveWidth && potm)
{
widthRatio = (FLOAT)aveWidth * eM11 /
(FLOAT) potm->otmTextMetrics.tmAveCharWidth;
(FLOAT)potm->otmTextMetrics.tmAveCharWidth;
}
left = (INT)(ft_face->glyph->metrics.horiBearingX * widthRatio) & -64;
@ -3594,7 +3597,7 @@ ftGdiGetGlyphOutline(
FT_Matrix rotationMat;
FT_Vector vecAngle;
DPRINT("Rotation Trans!\n");
angle = FT_FixedFromFloat((float)orientation / 10.0);
angle = FT_FixedFromFloat((FLOAT)orientation / 10.0);
FT_Vector_Unit(&vecAngle, angle);
rotationMat.xx = vecAngle.x;
rotationMat.xy = -vecAngle.y;