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path: root/source/blender/blenlib/intern/freetypefont.c
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Diffstat (limited to 'source/blender/blenlib/intern/freetypefont.c')
-rw-r--r--source/blender/blenlib/intern/freetypefont.c103
1 files changed, 57 insertions, 46 deletions
diff --git a/source/blender/blenlib/intern/freetypefont.c b/source/blender/blenlib/intern/freetypefont.c
index f55ebf915e2..019915b3128 100644
--- a/source/blender/blenlib/intern/freetypefont.c
+++ b/source/blender/blenlib/intern/freetypefont.c
@@ -86,7 +86,7 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
// adjust font size
height= ((double) face->bbox.yMax - (double) face->bbox.yMin);
- if(height != 0.0f)
+ if (height != 0.0f)
scale = 1.0f / height;
else
scale = 1.0f / 1000.0f;
@@ -99,7 +99,7 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
err= FT_Load_Glyph(face, glyph_index, FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP);
// If loading succeeded, convert the FT glyph to the internal format
- if(!err) {
+ if (!err) {
int *npoints;
int *onpoints;
@@ -120,29 +120,29 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
onpoints = (int *)MEM_callocN((ftoutline.n_contours) * sizeof(int),"onpoints");
// calculate total points of each contour
- for(j = 0; j < ftoutline.n_contours; j++) {
- if(j == 0)
+ for (j = 0; j < ftoutline.n_contours; j++) {
+ if (j == 0)
npoints[j] = ftoutline.contours[j] + 1;
else
npoints[j] = ftoutline.contours[j] - ftoutline.contours[j - 1];
}
// get number of on-curve points for beziertriples (including conic virtual on-points)
- for(j = 0; j < ftoutline.n_contours; j++) {
- for(k = 0; k < npoints[j]; k++) {
- if(j > 0) l = k + ftoutline.contours[j - 1] + 1; else l = k;
- if(ftoutline.tags[l] == FT_Curve_Tag_On)
+ for (j = 0; j < ftoutline.n_contours; j++) {
+ for (k = 0; k < npoints[j]; k++) {
+ if (j > 0) l = k + ftoutline.contours[j - 1] + 1; else l = k;
+ if (ftoutline.tags[l] == FT_Curve_Tag_On)
onpoints[j]++;
- if(k < npoints[j] - 1 )
- if( ftoutline.tags[l] == FT_Curve_Tag_Conic &&
+ if (k < npoints[j] - 1 )
+ if ( ftoutline.tags[l] == FT_Curve_Tag_Conic &&
ftoutline.tags[l+1] == FT_Curve_Tag_Conic)
onpoints[j]++;
}
}
//contour loop, bezier & conic styles merged
- for(j = 0; j < ftoutline.n_contours; j++) {
+ for (j = 0; j < ftoutline.n_contours; j++) {
// add new curve
nu = (Nurb *)MEM_callocN(sizeof(struct Nurb), "objfnt_nurb");
bezt = (BezTriple *)MEM_callocN((onpoints[j]) * sizeof(BezTriple), "objfnt_bezt");
@@ -156,9 +156,9 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
nu->bezt = bezt;
//individual curve loop, start-end
- for(k = 0; k < npoints[j]; k++) {
- if(j > 0) l = k + ftoutline.contours[j - 1] + 1; else l = k;
- if(k == 0) m = l;
+ for (k = 0; k < npoints[j]; k++) {
+ if (j > 0) l = k + ftoutline.contours[j - 1] + 1; else l = k;
+ if (k == 0) m = l;
//virtual conic on-curve points
if (k < npoints[j] - 1) {
@@ -185,32 +185,37 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
}
//on-curve points
- if(ftoutline.tags[l] == FT_Curve_Tag_On) {
+ if (ftoutline.tags[l] == FT_Curve_Tag_On) {
//left handle
- if(k > 0) {
- if(ftoutline.tags[l - 1] == FT_Curve_Tag_Cubic) {
+ if (k > 0) {
+ if (ftoutline.tags[l - 1] == FT_Curve_Tag_Cubic) {
bezt->vec[0][0] = ftoutline.points[l-1].x* scale;
bezt->vec[0][1] = ftoutline.points[l-1].y* scale;
bezt->h1= HD_FREE;
- } else if(ftoutline.tags[l - 1] == FT_Curve_Tag_Conic) {
+ }
+ else if (ftoutline.tags[l - 1] == FT_Curve_Tag_Conic) {
bezt->vec[0][0] = (ftoutline.points[l].x + (2 * ftoutline.points[l - 1].x))* scale / 3.0f;
bezt->vec[0][1] = (ftoutline.points[l].y + (2 * ftoutline.points[l - 1].y))* scale / 3.0f;
bezt->h1= HD_FREE;
- } else {
+ }
+ else {
bezt->vec[0][0] = ftoutline.points[l].x* scale - (ftoutline.points[l].x - ftoutline.points[l-1].x)* scale / 3.0f;
bezt->vec[0][1] = ftoutline.points[l].y* scale - (ftoutline.points[l].y - ftoutline.points[l-1].y)* scale / 3.0f;
bezt->h1= HD_VECT;
}
- } else { //first point on curve
- if(ftoutline.tags[ftoutline.contours[j]] == FT_Curve_Tag_Cubic) {
+ }
+ else { //first point on curve
+ if (ftoutline.tags[ftoutline.contours[j]] == FT_Curve_Tag_Cubic) {
bezt->vec[0][0] = ftoutline.points[ftoutline.contours[j]].x * scale;
bezt->vec[0][1] = ftoutline.points[ftoutline.contours[j]].y * scale;
bezt->h1= HD_FREE;
- } else if(ftoutline.tags[ftoutline.contours[j]] == FT_Curve_Tag_Conic) {
+ }
+ else if (ftoutline.tags[ftoutline.contours[j]] == FT_Curve_Tag_Conic) {
bezt->vec[0][0] = (ftoutline.points[l].x + (2 * ftoutline.points[ftoutline.contours[j]].x))* scale / 3.0f;
bezt->vec[0][1] = (ftoutline.points[l].y + (2 * ftoutline.points[ftoutline.contours[j]].y))* scale / 3.0f;
bezt->h1= HD_FREE;
- } else {
+ }
+ else {
bezt->vec[0][0] = ftoutline.points[l].x* scale - (ftoutline.points[l].x - ftoutline.points[ftoutline.contours[j]].x)* scale / 3.0f;
bezt->vec[0][1] = ftoutline.points[l].y* scale - (ftoutline.points[l].y - ftoutline.points[ftoutline.contours[j]].y)* scale / 3.0f;
bezt->h1= HD_VECT;
@@ -222,30 +227,35 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
bezt->vec[1][1] = ftoutline.points[l].y* scale;
//right handle
- if(k < (npoints[j] - 1)) {
- if(ftoutline.tags[l+1] == FT_Curve_Tag_Cubic) {
+ if (k < (npoints[j] - 1)) {
+ if (ftoutline.tags[l+1] == FT_Curve_Tag_Cubic) {
bezt->vec[2][0] = ftoutline.points[l+1].x* scale;
bezt->vec[2][1] = ftoutline.points[l+1].y* scale;
bezt->h2= HD_FREE;
- } else if(ftoutline.tags[l+1] == FT_Curve_Tag_Conic) {
+ }
+ else if (ftoutline.tags[l+1] == FT_Curve_Tag_Conic) {
bezt->vec[2][0] = (ftoutline.points[l].x + (2 * ftoutline.points[l+1].x))* scale / 3.0f;
bezt->vec[2][1] = (ftoutline.points[l].y + (2 * ftoutline.points[l+1].y))* scale / 3.0f;
bezt->h2= HD_FREE;
- } else {
+ }
+ else {
bezt->vec[2][0] = ftoutline.points[l].x* scale - (ftoutline.points[l].x - ftoutline.points[l+1].x)* scale / 3.0f;
bezt->vec[2][1] = ftoutline.points[l].y* scale - (ftoutline.points[l].y - ftoutline.points[l+1].y)* scale / 3.0f;
bezt->h2= HD_VECT;
}
- } else { //last point on curve
- if(ftoutline.tags[m] == FT_Curve_Tag_Cubic) {
+ }
+ else { //last point on curve
+ if (ftoutline.tags[m] == FT_Curve_Tag_Cubic) {
bezt->vec[2][0] = ftoutline.points[m].x* scale;
bezt->vec[2][1] = ftoutline.points[m].y* scale;
bezt->h2= HD_FREE;
- } else if(ftoutline.tags[m] == FT_Curve_Tag_Conic) {
+ }
+ else if (ftoutline.tags[m] == FT_Curve_Tag_Conic) {
bezt->vec[2][0] = (ftoutline.points[l].x + (2 * ftoutline.points[m].x))* scale / 3.0f;
bezt->vec[2][1] = (ftoutline.points[l].y + (2 * ftoutline.points[m].y))* scale / 3.0f;
bezt->h2= HD_FREE;
- } else {
+ }
+ else {
bezt->vec[2][0] = ftoutline.points[l].x* scale - (ftoutline.points[l].x - ftoutline.points[m].x)* scale / 3.0f;
bezt->vec[2][1] = ftoutline.points[l].y* scale - (ftoutline.points[l].y - ftoutline.points[m].y)* scale / 3.0f;
bezt->h2= HD_VECT;
@@ -257,7 +267,7 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
// len_squared_v2v2, see if there's a distance between the three points
// len_squared_v2v2 again, to check the angle between the handles
// finally, check if one of them is a vector handle
- if((dist_to_line_v2(bezt->vec[0],bezt->vec[1],bezt->vec[2]) < 0.001f) &&
+ if ((dist_to_line_v2(bezt->vec[0],bezt->vec[1],bezt->vec[2]) < 0.001f) &&
(len_squared_v2v2(bezt->vec[0], bezt->vec[1]) > 0.0001f*0.0001f) &&
(len_squared_v2v2(bezt->vec[1], bezt->vec[2]) > 0.0001f*0.0001f) &&
(len_squared_v2v2(bezt->vec[0], bezt->vec[2]) > 0.0002f*0.0001f) &&
@@ -271,8 +281,8 @@ static void freetypechar_to_vchar(FT_Face face, FT_ULong charcode, VFontData *vf
}
}
}
- if(npoints) MEM_freeN(npoints);
- if(onpoints) MEM_freeN(onpoints);
+ if (npoints) MEM_freeN(npoints);
+ if (onpoints) MEM_freeN(onpoints);
}
}
@@ -286,7 +296,7 @@ static int objchr_to_ftvfontdata(VFont *vfont, FT_ULong charcode)
tf= vfont_find_tmpfont(vfont);
// What, no font found. Something strange here
- if(!tf) return FALSE;
+ if (!tf) return FALSE;
// Load the font to memory
if (tf->pf) {
@@ -334,7 +344,7 @@ static VFontData *objfnt_to_ftvfontdata(PackedFile * pf)
0,
&face );
- if(err) return NULL;
+ if (err) return NULL;
#if 0
for ( n = 0; n < face->num_charmaps; n++ )
@@ -381,14 +391,14 @@ static VFontData *objfnt_to_ftvfontdata(PackedFile * pf)
err = FT_Set_Charmap( face, found );
- if( err )
+ if ( err )
return NULL;
lcode= charcode= FT_Get_First_Char(face, &glyph_index);
}
// Load characters
- while(charcode < 256)
+ while (charcode < 256)
{
// Generate the font data
freetypechar_to_vchar(face, charcode, vfd);
@@ -397,7 +407,7 @@ static VFontData *objfnt_to_ftvfontdata(PackedFile * pf)
charcode = FT_Get_Next_Char(face, charcode, &glyph_index);
// Check that we won't start infinite loop
- if(charcode <= lcode)
+ if (charcode <= lcode)
break;
lcode = charcode;
}
@@ -425,7 +435,7 @@ static int check_freetypefont(PackedFile * pf)
pf->size,
0,
&face );
- if(err) {
+ if (err) {
success = 0;
//XXX error("This is not a valid font");
}
@@ -449,12 +459,13 @@ static int check_freetypefont(PackedFile * pf)
glyph_index = FT_Get_Char_Index( face, 'A' );
err = FT_Load_Glyph(face, glyph_index, FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP);
- if(err) success = 0;
+ if (err) success = 0;
else {
glyph = face->glyph;
if (glyph->format == ft_glyph_format_outline ) {
success = 1;
- } else {
+ }
+ else {
//XXX error("Selected Font has no outline data");
success = 0;
}
@@ -472,7 +483,7 @@ VFontData *BLI_vfontdata_from_freetypefont(PackedFile *pf)
//init Freetype
err = FT_Init_FreeType( &library);
- if(err) {
+ if (err) {
//XXX error("Failed to load the Freetype font library");
return NULL;
}
@@ -493,18 +504,18 @@ int BLI_vfontchar_from_freetypefont(VFont *vfont, unsigned long character)
{
int success = FALSE;
- if(!vfont) return FALSE;
+ if (!vfont) return FALSE;
// Init Freetype
err = FT_Init_FreeType(&library);
- if(err) {
+ if (err) {
//XXX error("Failed to load the Freetype font library");
return 0;
}
// Load the character
success = objchr_to_ftvfontdata(vfont, character);
- if(success == FALSE) return FALSE;
+ if (success == FALSE) return FALSE;
// Free Freetype
FT_Done_FreeType(library);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 10:49:42 +0300