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freetype2
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Code Issues 4 Releases Wiki Activity

Fixed point working now

This commit is contained in:
Anurag Thakur 2022-10-06 03:40:43 +05:30
parent 9538d8e798
commit d257405687
1 changed files with 5 additions and 5 deletions
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10
src/dense/ftdense.c
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@ -188,14 +188,12 @@ dense_render_line( dense_worker* worker, TPos tox, TPos toy )
if ( x1i <= x0i + 1 )
{
//printf("Hit condition 1\n");
FT26D6 xmf = ( ( x + xnext )>>1) - x0floor;
m_a[linestart + x0i] += d * ((1<<6) - xmf);
m_a[linestart + ( x0i + 1 )] += d * xmf;
}
else
{
//printf("Hit condition 2\n");
// float s = 1.0f / ( x1 - x0 );
// float x0f = x0 - x0floor;
// float a0 = 0.5f * s * ( 1.0f - x0f ) * ( 1.0f - x0f );
@ -208,9 +206,12 @@ dense_render_line( dense_worker* worker, TPos tox, TPos toy )
FT26D6 oneMinusX0f = (1<<6) - x0f;
FT26D6 a0 = ((oneMinusX0f * oneMinusX0f) >> 1) / oneOverS;
FT26D6 x1f = x1 - x1ceil + 1<<6;
FT26D6 x1f = x1 - x1ceil + (1<<6);
FT26D6 am = ((x1f * x1f) >> 1) / oneOverS;
// printf("x0 is %lld, x1 is %lld\n",x0,x1 );
m_a[linestart + x0i] += d * a0;
@ -218,7 +219,6 @@ dense_render_line( dense_worker* worker, TPos tox, TPos toy )
m_a[linestart + ( x0i + 1 )] += d * ( (1<<6) - a0 - am );
else
{
//printf("Hit condition 3\n");
FT26D6 a1 = (((1<<6) + (1<<5) - x0f) << 6) / oneOverS;
m_a[linestart + ( x0i + 1 )] += d * ( a1 - a0 );
@ -449,7 +449,7 @@ dense_render_glyph( dense_worker* worker, const FT_Bitmap* target )
// printf("%d\n", *source);
if(valnew > 0){
int nnew = valnew >>2;
int nnew = valnew >>4;
if(nnew>255)nnew=255;
*dest = (unsigned char)nnew;