30#include <harfbuzz/hb.h>
31#include <harfbuzz/hb-ft.h>
72 FT_Library_Version(
m_freeType, &major, &minor, &patch );
74 return wxString::Format(
"%d.%d.%d", major, minor, patch );
80 return wxString::FromUTF8( HB_VERSION_STRING );
98 std::unique_ptr<OUTLINE_FONT> font = std::make_unique<OUTLINE_FONT>();
104 fc::FF_RESULT retval =
Fontconfig()->FindFont( aFontName, fontFile, faceIndex, aBold, aItalic );
106 if( retval == fc::FF_RESULT::FF_ERROR )
109 if( retval == fc::FF_RESULT::FF_MISSING_BOLD || retval == fc::FF_RESULT::FF_MISSING_BOLD_ITAL )
112 if( retval == fc::FF_RESULT::FF_MISSING_ITAL || retval == fc::FF_RESULT::FF_MISSING_BOLD_ITAL )
115 if( font->loadFace( fontFile, faceIndex ) != 0 )
118 font->m_fontName = aFontName;
119 font->m_fontFileName = fontFile;
121 return font.release();
131 FT_Error e = FT_New_Face(
m_freeType, aFontFileName.mb_str( wxConvUTF8 ), aFaceIndex, &
m_face );
135 FT_Select_Charmap(
m_face, FT_Encoding::FT_ENCODING_UNICODE );
186 static constexpr double interlineHackMultiplier = 1.2;
187 interline *= interlineHackMultiplier;
197 case FT_ORIENTATION_TRUETYPE:
return c.
m_Winding == 1;
198 case FT_ORIENTATION_POSTSCRIPT:
return c.
m_Winding == -1;
199 default:
return false;
217 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
219 BOX2D bbox = glyph->BoundingBox();
222 if( minX > bbox.
GetX() )
225 if( minY > bbox.
GetY() )
243 const wxString& aText,
const VECTOR2I& aPosition,
246 wxArrayString strings;
247 std::vector<VECTOR2I> positions;
248 std::vector<VECTOR2I> extents;
252 textStyle |= TEXT_STYLE::ITALIC;
256 for(
size_t i = 0; i < strings.GetCount(); i++ )
258 (void)
drawMarkup(
nullptr, aGlyphs, strings.Item( i ), positions[i], aAttrs.
m_Size,
265 const wxString& aText,
const VECTOR2I& aSize,
267 bool aMirror,
const VECTOR2I& aOrigin,
272 constexpr double TAB_WIDTH = 4 * 0.6;
280 aBBox->
SetEnd( aPosition );
283 for( wxUniChar c : aText )
288 if( !textRun.IsEmpty() )
290 position =
getTextAsGlyphs( aBBox, aGlyphs, textRun, aSize, position, aAngle,
291 aMirror, aOrigin, aTextStyle );
295 int tabWidth =
KiROUND( aSize.
x * TAB_WIDTH );
296 int currentIntrusion = ( position.
x - aOrigin.
x ) % tabWidth;
298 position.
x += tabWidth - currentIntrusion;
306 if( !textRun.IsEmpty() )
308 position =
getTextAsGlyphs( aBBox, aGlyphs, textRun, aSize, position, aAngle, aMirror,
309 aOrigin, aTextStyle );
317 const wxString& aText,
const VECTOR2I& aSize,
319 bool aMirror,
const VECTOR2I& aOrigin,
325 aOrigin, aTextStyle );
329 std::vector<std::unique_ptr<GLYPH>>* aGlyphs,
330 const wxString& aText,
const VECTOR2I& aSize,
332 bool aMirror,
const VECTOR2I& aOrigin,
347 hb_buffer_t* buf = hb_buffer_create();
348 hb_buffer_add_utf8( buf,
UTF8( aText ).c_str(), -1, 0, -1 );
349 hb_buffer_guess_segment_properties( buf );
352 unsigned int glyphCount;
353 hb_glyph_info_t* glyphInfo = hb_buffer_get_glyph_infos( buf, &glyphCount );
354 hb_glyph_position_t* glyphPos = hb_buffer_get_glyph_positions( buf, &glyphCount );
356 hb_font_t* referencedFont = hb_ft_font_create_referenced( face );
357 hb_ft_font_set_funcs( referencedFont );
358 hb_shape( referencedFont, buf,
nullptr, 0 );
366 aGlyphs->reserve( glyphCount );
368 for(
unsigned int i = 0; i < glyphCount; i++ )
371 if( i > 0 && glyphInfo[i].cluster == glyphInfo[i-1].cluster )
380 const float angle = (float)( -M_PI * 12.0f ) / 180.0f;
381 matrix.xx = (FT_Fixed) ( cos( angle ) * 0x10000L );
382 matrix.xy = (FT_Fixed) ( -sin( angle ) * 0x10000L );
383 matrix.yx = (FT_Fixed) ( 0 * 0x10000L );
384 matrix.yy = (FT_Fixed) ( 1 * 0x10000L );
386 FT_Set_Transform( face, &matrix, 0 );
389 FT_Load_Glyph( face, glyphInfo[i].codepoint, FT_LOAD_NO_BITMAP );
392 FT_Outline_Embolden( &face->glyph->outline, 1 << 6 );
401 std::unique_ptr<OUTLINE_GLYPH> glyph = std::make_unique<OUTLINE_GLYPH>();
402 std::vector<SHAPE_LINE_CHAIN> holes;
424 pt.
x = aOrigin.
x - ( pt.
x - aOrigin.
x );
435 holes.push_back( std::move( shape ) );
437 glyph->AddOutline( std::move( shape ) );
442 if( hole.PointCount() )
444 for(
int ii = 0; ii < glyph->OutlineCount(); ++ii )
446 if( glyph->Outline( ii ).PointInside( hole.GetPoint( 0 ) ) )
448 glyph->AddHole( std::move( hole ), ii );
455 aGlyphs->push_back( std::move( glyph ) );
458 hb_glyph_position_t& pos = glyphPos[i];
465 VECTOR2I extents(
cursor.x * scaleFactor.
x, ( ascender + descender ) * abs( scaleFactor.
y ) );
467 hb_buffer_destroy( buf );
468 hb_font_destroy( referencedFont );
473 aBBox->
Merge( aPosition + extents );
475 return VECTOR2I( aPosition.
x + cursorDisplacement.
x, aPosition.
y + cursorDisplacement.
y );
479#undef OUTLINEFONT_RENDER_AS_PIXELS
480#ifdef OUTLINEFONT_RENDER_AS_PIXELS
484void OUTLINE_FONT::RenderToOpenGLCanvas(
KIGFX::OPENGL_GAL& aGal,
const wxString& aString,
486 const EDA_ANGLE& aOrientation,
bool aIsMirrored )
const
488 hb_buffer_t* buf = hb_buffer_create();
489 hb_buffer_add_utf8( buf,
UTF8( aString ).c_str(), -1, 0, -1 );
490 hb_buffer_guess_segment_properties( buf );
492 unsigned int glyphCount;
493 hb_glyph_info_t* glyphInfo = hb_buffer_get_glyph_infos( buf, &glyphCount );
494 hb_glyph_position_t* glyphPos = hb_buffer_get_glyph_positions( buf, &glyphCount );
498 hb_font_t* referencedFont = hb_ft_font_create_referenced(
m_face );
500 hb_ft_font_set_funcs( referencedFont );
501 hb_shape( referencedFont, buf,
nullptr, 0 );
503 const double mirror_factor = ( aIsMirrored ? 1 : -1 );
504 const double x_scaleFactor = mirror_factor * aGlyphSize.
x / mScaler;
505 const double y_scaleFactor = aGlyphSize.
y / mScaler;
507 hb_position_t cursor_x = 0;
508 hb_position_t cursor_y = 0;
510 for(
unsigned int i = 0; i < glyphCount; i++ )
512 hb_glyph_position_t& pos = glyphPos[i];
513 int codepoint = glyphInfo[i].codepoint;
515 FT_Error e = FT_Load_Glyph(
m_face, codepoint, FT_LOAD_DEFAULT );
519 e = FT_Get_Glyph(
m_face->glyph, &glyph );
522 wxPoint pt( aPosition );
523 pt.x += ( cursor_x >> 6 ) * x_scaleFactor;
524 pt.y += ( cursor_y >> 6 ) * y_scaleFactor;
526 cursor_x += pos.x_advance;
527 cursor_y += pos.y_advance;
530 hb_buffer_destroy( buf );
void SetOrigin(const Vec &pos)
BOX2< Vec > & Normalize()
Ensure that the height and width are positive.
coord_type GetRight() const
coord_type GetBottom() const
void SetEnd(coord_type x, coord_type y)
BOX2< Vec > & Merge(const BOX2< Vec > &aRect)
Modify the position and size of the rectangle in order to contain aRect.
void getLinePositions(const wxString &aText, const VECTOR2I &aPosition, wxArrayString &aTextLines, std::vector< VECTOR2I > &aPositions, std::vector< VECTOR2I > &aExtents, const TEXT_ATTRIBUTES &aAttrs) const
VECTOR2I drawMarkup(BOX2I *aBoundingBox, std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aPosition, const VECTOR2I &aSize, const EDA_ANGLE &aAngle, bool aMirror, const VECTOR2I &aOrigin, TEXT_STYLE_FLAGS aTextStyle) const
static constexpr double INTERLINE_PITCH_RATIO
void OutlineToSegments(CONTOURS *aContours)
Class OUTLINE_FONT implements outline font drawing.
VECTOR2I getTextAsGlyphsUnlocked(BOX2I *aBoundingBox, std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aSize, const VECTOR2I &aPosition, const EDA_ANGLE &aAngle, bool aMirror, const VECTOR2I &aOrigin, TEXT_STYLE_FLAGS aTextStyle) const
static std::mutex m_freeTypeMutex
Mutex for freetype access, FT_Library and FT_Face are not thread safe.
static FT_Library m_freeType
BOX2I getBoundingBox(const std::vector< std::unique_ptr< GLYPH > > &aGlyphs) const
FT_Error loadFace(const wxString &aFontFileName, int aFaceIndex)
static constexpr double m_superscriptVerticalOffset
static wxString FreeTypeVersion()
VECTOR2I getTextAsGlyphs(BOX2I *aBoundingBox, std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aSize, const VECTOR2I &aPosition, const EDA_ANGLE &aAngle, bool aMirror, const VECTOR2I &aOrigin, TEXT_STYLE_FLAGS aTextStyle) const
VECTOR2I GetTextAsGlyphs(BOX2I *aBoundingBox, std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aSize, const VECTOR2I &aPosition, const EDA_ANGLE &aAngle, bool aMirror, const VECTOR2I &aOrigin, TEXT_STYLE_FLAGS aTextStyle) const override
Convert text string to an array of GLYPHs.
const FT_Face & GetFace() const
double GetInterline(double aGlyphHeight=0.0, double aLineSpacing=1.0) const override
Compute the distance (interline) between 2 lines of text (for multiline texts).
static wxString FontConfigVersion()
void GetLinesAsGlyphs(std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aPosition, const TEXT_ATTRIBUTES &aAttrs) const
double ComputeUnderlineVerticalPosition(double aGlyphHeight) const override
Compute the vertical position of an underline.
static constexpr double m_outlineFontSizeCompensation
static constexpr double m_underlineOffsetScaler
double ComputeOverbarVerticalPosition(double aGlyphHeight) const override
Compute the vertical position of an overbar.
int subscriptSize() const
static wxString FontLibraryVersion()
static wxString HarfBuzzVersion()
static OUTLINE_FONT * LoadFont(const wxString &aFontFileName, bool aBold, bool aItalic)
Load an outline font.
static constexpr double m_subscriptVerticalOffset
OpenGL implementation of the Graphics Abstraction Layer.
Represent a polyline containing arcs as well as line segments: A chain of connected line and/or arc s...
void SetClosed(bool aClosed)
Mark the line chain as closed (i.e.
void ReservePoints(size_t aSize)
Allocate a number of points all at once (for performance).
void Append(int aX, int aY, bool aAllowDuplication=false)
Append a new point at the end of the line chain.
An 8 bit string that is assuredly encoded in UTF8, and supplies special conversion support to and fro...
static wxString Version()
unsigned int TEXT_STYLE_FLAGS
bool IsSuperscript(TEXT_STYLE_FLAGS aFlags)
bool IsSubscript(TEXT_STYLE_FLAGS aFlags)
FONTCONFIG * Fontconfig()
constexpr int GLYPH_RESOLUTION
std::vector< CONTOUR > CONTOURS
constexpr double GLYPH_SIZE_SCALER
std::vector< VECTOR2D > GLYPH_POINTS
static bool contourIsHole(const CONTOUR &c)
static bool contourIsFilled(const CONTOUR &c)
FT_Orientation m_Orientation
void RotatePoint(int *pX, int *pY, const EDA_ANGLE &aAngle)
constexpr ret_type KiROUND(fp_type v)
Round a floating point number to an integer using "round halfway cases away from zero".