26#include <harfbuzz/hb.h>
27#include <harfbuzz/hb-ft.h>
60 std::unique_ptr<OUTLINE_FONT> font = std::make_unique<OUTLINE_FONT>();
66 fc::FF_RESULT retval =
Fontconfig()->FindFont( aFontName, fontFile, faceIndex, aBold, aItalic );
68 if( retval == fc::FF_RESULT::FF_ERROR )
71 if( retval == fc::FF_RESULT::FF_MISSING_BOLD || retval == fc::FF_RESULT::FF_MISSING_BOLD_ITAL )
74 if( retval == fc::FF_RESULT::FF_MISSING_ITAL || retval == fc::FF_RESULT::FF_MISSING_BOLD_ITAL )
77 if( font->loadFace( fontFile, faceIndex ) != 0 )
80 font->m_fontName = aFontName;
81 font->m_fontFileName = fontFile;
83 return font.release();
93 FT_Error e = FT_New_Face(
m_freeType, aFontFileName.mb_str( wxConvUTF8 ), aFaceIndex, &
m_face );
97 FT_Select_Charmap(
m_face, FT_Encoding::FT_ENCODING_UNICODE );
117 double glyphToFontHeight = 1.0;
122 return aFontMetrics.
GetInterline( aGlyphHeight * glyphToFontHeight );
130 case FT_ORIENTATION_TRUETYPE:
return c.
m_Winding == 1;
131 case FT_ORIENTATION_POSTSCRIPT:
return c.
m_Winding == -1;
132 default:
return false;
150 for(
const std::unique_ptr<KIFONT::GLYPH>& glyph : aGlyphs )
152 BOX2D bbox = glyph->BoundingBox();
155 if( minX > bbox.
GetX() )
158 if( minY > bbox.
GetY() )
176 const wxString& aText,
const VECTOR2I& aPosition,
178 const METRICS& aFontMetrics )
const
180 wxArrayString strings;
181 std::vector<VECTOR2I> positions;
182 std::vector<VECTOR2I> extents;
186 textStyle |= TEXT_STYLE::ITALIC;
188 getLinePositions( aText, aPosition, strings, positions, extents, aAttrs, aFontMetrics );
190 for(
size_t i = 0; i < strings.GetCount(); i++ )
192 (void)
drawMarkup(
nullptr, aGlyphs, strings.Item( i ), positions[i], aAttrs.
m_Size,
199 const wxString& aText,
const VECTOR2I& aSize,
201 bool aMirror,
const VECTOR2I& aOrigin,
206 constexpr double TAB_WIDTH = 4 * 0.6;
214 aBBox->
SetEnd( aPosition );
217 for( wxUniChar c : aText )
222 if( !textRun.IsEmpty() )
224 position =
getTextAsGlyphs( aBBox, aGlyphs, textRun, aSize, position, aAngle,
225 aMirror, aOrigin, aTextStyle );
229 int tabWidth =
KiROUND( aSize.
x * TAB_WIDTH );
230 int currentIntrusion = ( position.
x - aOrigin.
x ) % tabWidth;
232 position.
x += tabWidth - currentIntrusion;
240 if( !textRun.IsEmpty() )
242 position =
getTextAsGlyphs( aBBox, aGlyphs, textRun, aSize, position, aAngle, aMirror,
243 aOrigin, aTextStyle );
251 const wxString& aText,
const VECTOR2I& aSize,
253 bool aMirror,
const VECTOR2I& aOrigin,
259 aOrigin, aTextStyle );
263 std::vector<std::unique_ptr<GLYPH>>* aGlyphs,
264 const wxString& aText,
const VECTOR2I& aSize,
266 bool aMirror,
const VECTOR2I& aOrigin,
281 hb_buffer_t* buf = hb_buffer_create();
282 hb_buffer_add_utf8( buf,
UTF8( aText ).c_str(), -1, 0, -1 );
283 hb_buffer_guess_segment_properties( buf );
286 hb_font_t* referencedFont = hb_ft_font_create_referenced( face );
287 hb_ft_font_set_funcs( referencedFont );
288 hb_shape( referencedFont, buf,
nullptr, 0 );
290 unsigned int glyphCount;
291 hb_glyph_info_t* glyphInfo = hb_buffer_get_glyph_infos( buf, &glyphCount );
292 hb_glyph_position_t* glyphPos = hb_buffer_get_glyph_positions( buf, &glyphCount );
300 aGlyphs->reserve( glyphCount );
302 for(
unsigned int i = 0; i < glyphCount; i++ )
305 if( i > 0 && glyphInfo[i].cluster == glyphInfo[i-1].cluster )
314 const float angle = (float)( -M_PI * 12.0f ) / 180.0f;
315 matrix.xx = (FT_Fixed) ( cos( angle ) * 0x10000L );
316 matrix.xy = (FT_Fixed) ( -sin( angle ) * 0x10000L );
317 matrix.yx = (FT_Fixed) ( 0 * 0x10000L );
318 matrix.yy = (FT_Fixed) ( 1 * 0x10000L );
320 FT_Set_Transform( face, &matrix, 0 );
323 FT_Load_Glyph( face, glyphInfo[i].codepoint, FT_LOAD_NO_BITMAP );
326 FT_Outline_Embolden( &face->glyph->outline, 1 << 6 );
335 std::unique_ptr<OUTLINE_GLYPH> glyph = std::make_unique<OUTLINE_GLYPH>();
336 std::vector<SHAPE_LINE_CHAIN> holes;
358 pt.
x = aOrigin.
x - ( pt.
x - aOrigin.
x );
369 holes.push_back( std::move( shape ) );
371 glyph->AddOutline( std::move( shape ) );
376 if( hole.PointCount() )
378 for(
int ii = 0; ii < glyph->OutlineCount(); ++ii )
380 if( glyph->Outline( ii ).PointInside( hole.GetPoint( 0 ) ) )
382 glyph->AddHole( std::move( hole ), ii );
389 aGlyphs->push_back( std::move( glyph ) );
392 hb_glyph_position_t& pos = glyphPos[i];
399 VECTOR2I extents(
cursor.x * scaleFactor.
x, ( ascender + descender ) * abs( scaleFactor.
y ) );
401 hb_buffer_destroy( buf );
402 hb_font_destroy( referencedFont );
407 aBBox->
Merge( aPosition + extents );
409 return VECTOR2I( aPosition.
x + cursorDisplacement.
x, aPosition.
y + cursorDisplacement.
y );
413#undef OUTLINEFONT_RENDER_AS_PIXELS
414#ifdef OUTLINEFONT_RENDER_AS_PIXELS
418void OUTLINE_FONT::RenderToOpenGLCanvas(
KIGFX::OPENGL_GAL& aGal,
const wxString& aString,
420 const EDA_ANGLE& aOrientation,
bool aIsMirrored )
const
422 hb_buffer_t* buf = hb_buffer_create();
423 hb_buffer_add_utf8( buf,
UTF8( aString ).c_str(), -1, 0, -1 );
424 hb_buffer_guess_segment_properties( buf );
426 unsigned int glyphCount;
427 hb_glyph_info_t* glyphInfo = hb_buffer_get_glyph_infos( buf, &glyphCount );
428 hb_glyph_position_t* glyphPos = hb_buffer_get_glyph_positions( buf, &glyphCount );
432 hb_font_t* referencedFont = hb_ft_font_create_referenced(
m_face );
434 hb_ft_font_set_funcs( referencedFont );
435 hb_shape( referencedFont, buf,
nullptr, 0 );
437 const double mirror_factor = ( aIsMirrored ? 1 : -1 );
438 const double x_scaleFactor = mirror_factor * aGlyphSize.
x / mScaler;
439 const double y_scaleFactor = aGlyphSize.
y / mScaler;
441 hb_position_t cursor_x = 0;
442 hb_position_t cursor_y = 0;
444 for(
unsigned int i = 0; i < glyphCount; i++ )
446 hb_glyph_position_t& pos = glyphPos[i];
447 int codepoint = glyphInfo[i].codepoint;
449 FT_Error e = FT_Load_Glyph(
m_face, codepoint, FT_LOAD_DEFAULT );
453 e = FT_Get_Glyph(
m_face->glyph, &glyph );
456 wxPoint pt( aPosition );
457 pt.x += ( cursor_x >> 6 ) * x_scaleFactor;
458 pt.y += ( cursor_y >> 6 ) * y_scaleFactor;
460 cursor_x += pos.x_advance;
461 cursor_y += pos.y_advance;
464 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 METRICS &aFontMetrics) 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 METRICS &aFontMetrics) const
double GetInterline(double aFontHeight) const
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.
double GetInterline(double aGlyphHeight, const METRICS &aFontMetrics) const override
Compute the distance (interline) between 2 lines of text (for multiline texts).
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
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
void GetLinesAsGlyphs(std::vector< std::unique_ptr< GLYPH > > *aGlyphs, const wxString &aText, const VECTOR2I &aPosition, const TEXT_ATTRIBUTES &aAttrs, const METRICS &aFontMetrics) const
static constexpr double m_outlineFontSizeCompensation
int subscriptSize() const
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...
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)
Calculate the new point of coord coord pX, pY, for a rotation center 0, 0.
constexpr ret_type KiROUND(fp_type v)
Round a floating point number to an integer using "round halfway cases away from zero".