void Context::setFont( const cinder::Font &font )
{
#if defined( CINDER_COCOA )
cairo_font_face_t *cairoFont = cairo_quartz_font_face_create_for_cgfont( font.getCgFontRef() );
#elif defined( CINDER_MSW )
cairo_font_face_t *cairoFont = cairo_win32_font_face_create_for_logfontw( &font.getLogfont() );
#endif
cairo_set_font_face( mCairo, cairoFont );
cairo_font_face_destroy( cairoFont );
}
/**
* cairo_quartz_font_face_create_for_atsu_font_id
* @font_id: an ATSUFontID for the font.
*
* Creates a new font for the Quartz font backend based on an
* #ATSUFontID. This font can then be used with
* cairo_set_font_face() or cairo_scaled_font_create().
*
* Return value: a newly created #cairo_font_face_t. Free with
* cairo_font_face_destroy() when you are done using it.
*
* Since: 1.6
**/
cairo_font_face_t *
cairo_quartz_font_face_create_for_atsu_font_id (ATSUFontID font_id)
{
ATSFontRef atsFont = FMGetATSFontRefFromFont (font_id);
CGFontRef cgFont = CGFontCreateWithPlatformFont (&atsFont);
cairo_font_face_t *ff;
ff = cairo_quartz_font_face_create_for_cgfont (cgFont);
CGFontRelease (cgFont);
return ff;
}
static cairo_font_face_t *
pango_cairo_core_text_font_create_font_face (PangoCairoFont *font)
{
PangoCoreTextFont *ctfont = (PangoCoreTextFont *) (font);
CTFontRef font_id;
CGFontRef cgfont;
cairo_font_face_t *cairo_face;
font_id = pango_core_text_font_get_ctfont (ctfont);
cgfont = CTFontCopyGraphicsFont (font_id, NULL);
cairo_face = cairo_quartz_font_face_create_for_cgfont (cgfont);
CFRelease (cgfont);
return cairo_face;
}
/**
* cairo_quartz_font_face_create_for_atsu_font_id:
* @font_id: an ATSUFontID for the font.
*
* Creates a new font for the Quartz font backend based on an
* #ATSUFontID. This font can then be used with
* cairo_set_font_face() or cairo_scaled_font_create().
*
* Return value: a newly created #cairo_font_face_t. Free with
* cairo_font_face_destroy() when you are done using it.
*
* Since: 1.6
**/
cairo_font_face_t *
cairo_quartz_font_face_create_for_atsu_font_id (ATSUFontID font_id)
{
quartz_font_ensure_symbols();
if (FMGetATSFontRefFromFontPtr != NULL) {
ATSFontRef atsFont = FMGetATSFontRefFromFontPtr (font_id);
CGFontRef cgFont = CGFontCreateWithPlatformFont (&atsFont);
cairo_font_face_t *ff;
ff = cairo_quartz_font_face_create_for_cgfont (cgFont);
CGFontRelease (cgFont);
return ff;
} else {
_cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
return (cairo_font_face_t *)&_cairo_font_face_nil;
}
}
FontFace::FontFace( const std::string &faceName )
{
#if defined( CAIRO_HAS_QUARTZ_FONT )
CFStringRef nameRef = CFStringCreateWithCString( kCFAllocatorDefault, faceName.c_str(), kCFStringEncodingUTF8 );
CGFontRef fontRef = CGFontCreateWithFontName( nameRef );
if( ! fontRef )
throw;
mCairoFontFace = cairo_quartz_font_face_create_for_cgfont( fontRef );
// Cairo releases the CGFontRef
CFRelease( nameRef );
#elif defined( CINDER_MSW )
HFONT hf;
HDC hdc;
long lfHeight;
hdc = ::GetDC( NULL );
lfHeight = -MulDiv(12, GetDeviceCaps(hdc, LOGPIXELSY), 72);
ReleaseDC( NULL, hdc );
hf = CreateFontA( lfHeight, 0, 0, 0, 0, TRUE, 0, 0, 0, 0, 0, 0, 0, faceName.c_str() );
mCairoFontFace = cairo_win32_font_face_create_for_hfont( hf );
#endif
}
static cairo_status_t
_cairo_quartz_font_face_create_for_toy (cairo_toy_font_face_t *toy_face,
cairo_font_face_t **font_face)
{
const char *family;
char *full_name;
CFStringRef cgFontName = NULL;
CGFontRef cgFont = NULL;
int loop;
quartz_font_ensure_symbols();
if (! _cairo_quartz_font_symbols_present)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
family = toy_face->family;
full_name = malloc (strlen (family) + 64); // give us a bit of room to tack on Bold, Oblique, etc.
/* handle CSS-ish faces */
if (!strcmp(family, "serif") || !strcmp(family, "Times Roman"))
family = "Times";
else if (!strcmp(family, "sans-serif") || !strcmp(family, "sans"))
family = "Helvetica";
else if (!strcmp(family, "cursive"))
family = "Apple Chancery";
else if (!strcmp(family, "fantasy"))
family = "Papyrus";
else if (!strcmp(family, "monospace") || !strcmp(family, "mono"))
family = "Courier";
/* Try to build up the full name, e.g. "Helvetica Bold Oblique" first,
* then drop the bold, then drop the slant, then drop both.. finally
* just use "Helvetica". And if Helvetica doesn't exist, give up.
*/
for (loop = 0; loop < 5; loop++) {
if (loop == 4)
family = "Helvetica";
strcpy (full_name, family);
if (loop < 3 && (loop & 1) == 0) {
if (toy_face->weight == CAIRO_FONT_WEIGHT_BOLD)
strcat (full_name, " Bold");
}
if (loop < 3 && (loop & 2) == 0) {
if (toy_face->slant == CAIRO_FONT_SLANT_ITALIC)
strcat (full_name, " Italic");
else if (toy_face->slant == CAIRO_FONT_SLANT_OBLIQUE)
strcat (full_name, " Oblique");
}
if (CGFontCreateWithFontNamePtr) {
cgFontName = CFStringCreateWithCString (NULL, full_name, kCFStringEncodingASCII);
cgFont = CGFontCreateWithFontNamePtr (cgFontName);
CFRelease (cgFontName);
} else {
cgFont = CGFontCreateWithNamePtr (full_name);
}
if (cgFont)
break;
}
if (!cgFont) {
/* Give up */
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
*font_face = cairo_quartz_font_face_create_for_cgfont (cgFont);
CGFontRelease (cgFont);
return CAIRO_STATUS_SUCCESS;
}
void wxSVGCanvasTextCairo::InitText(const wxString& text, const wxCSSStyleDeclaration& style, wxSVGMatrix* matrix) {
BeginChar(matrix);
// create path from text
cairo_t* cr = ((wxSVGCanvasPathCairo*) m_char->path)->GetCr();
#if defined(__WXMSW__) || defined(__WXMAC__)
int size = (int) style.GetFontSize();
int fstyle = style.GetFontStyle() == wxCSS_VALUE_ITALIC ? wxFONTSTYLE_ITALIC
: (style.GetFontStyle() == wxCSS_VALUE_OBLIQUE ? wxFONTSTYLE_SLANT : wxFONTSTYLE_NORMAL);
wxFontWeight weight = style.GetFontWeight() == wxCSS_VALUE_BOLD ? wxFONTWEIGHT_BOLD
: style.GetFontWeight() == wxCSS_VALUE_BOLDER ? wxFONTWEIGHT_MAX
: style.GetFontWeight() == wxCSS_VALUE_LIGHTER ? wxFONTWEIGHT_LIGHT : wxFONTWEIGHT_NORMAL;
wxFont fnt(size, wxFONTFAMILY_DEFAULT, fstyle, weight, false, style.GetFontFamily());
#ifdef __WXMSW__
HFONT hfont = (HFONT) fnt.GetResourceHandle();
cairo_set_font_face(cr, cairo_win32_font_face_create_for_hfont(hfont));
#else
CGFontRef cgFont = fnt.OSXGetCGFont();
cairo_set_font_face(cr, cairo_quartz_font_face_create_for_cgfont(cgFont));
#endif
cairo_set_font_size(cr, style.GetFontSize());
cairo_font_extents_t fextents;
cairo_font_extents(cr, &fextents);
double maxWidth = 0;
if (style.GetTextAnchor() == wxCSS_VALUE_MIDDLE || style.GetTextAnchor() == wxCSS_VALUE_END) {
wxStringTokenizer tokenzr(text, wxT("\n"));
while (tokenzr.HasMoreTokens()) {
wxString token = tokenzr.GetNextToken();
cairo_text_extents_t extents;
cairo_text_extents(cr, (const char*) token.utf8_str(), &extents);
if (maxWidth < extents.width)
maxWidth = extents.width;
}
}
wxStringTokenizer tokenzr(text, wxT("\n"));
double x_advance = 0;
double width = 0;
double height = 0;
double y = 0;
while (tokenzr.HasMoreTokens()) {
wxString token = tokenzr.GetNextToken();
// get text extents
cairo_text_extents_t extents;
cairo_text_extents(cr, (const char*) token.utf8_str(), &extents);
double x = style.GetTextAnchor() == wxCSS_VALUE_END ? maxWidth - extents.width
: style.GetTextAnchor() == wxCSS_VALUE_MIDDLE ? (maxWidth - extents.width) / 2 : 0;
m_char->path->MoveTo(m_tx + x, m_ty + y);
cairo_text_path(cr, (const char*) token.utf8_str());
if (x_advance < extents.x_advance)
x_advance = extents.x_advance;
if (width < extents.width)
width = extents.width;
height += fextents.height;
if (tokenzr.HasMoreTokens())
y += fextents.height;
}
// set bbox
m_char->bbox = wxSVGRect(m_tx, m_ty, width, height);
// increase current position (m_tx)
if (style.GetTextAnchor() == wxCSS_VALUE_MIDDLE || style.GetTextAnchor() == wxCSS_VALUE_END) {
wxSVGRect bbox = m_char->path->GetResultBBox(style);
m_tx += x_advance > bbox.GetWidth() ? x_advance : bbox.GetWidth();
} else
m_tx += x_advance;
#else
PangoLayout* layout = pango_cairo_create_layout(cr);
PangoFontDescription* font = pango_font_description_new();
pango_font_description_set_family(font, style.GetFontFamily().ToAscii());
pango_font_description_set_weight(font, style.GetFontWeight() == wxCSS_VALUE_BOLD ? PANGO_WEIGHT_BOLD
: PANGO_WEIGHT_NORMAL);
pango_font_description_set_style(font, style.GetFontStyle() == wxCSS_VALUE_ITALIC ? PANGO_STYLE_ITALIC
: (style.GetFontStyle() == wxCSS_VALUE_OBLIQUE ? PANGO_STYLE_OBLIQUE : PANGO_STYLE_NORMAL));
pango_font_description_set_absolute_size(font, style.GetFontSize() * PANGO_SCALE);
PangoContext* ctx = pango_layout_get_context(layout);
PangoFont* f = pango_context_load_font(ctx, font);
if (f == NULL)
pango_font_description_set_style(font, PANGO_STYLE_NORMAL);
pango_layout_set_font_description(layout, font);
if (style.GetTextAnchor() != wxCSS_VALUE_START)
pango_layout_set_alignment(layout, style.GetTextAnchor() == wxCSS_VALUE_MIDDLE ? PANGO_ALIGN_CENTER : PANGO_ALIGN_RIGHT);
pango_layout_set_text(layout, (const char*) text.utf8_str(), -1);
int baseline = pango_layout_get_baseline(layout);
m_char->path->MoveTo(m_tx, m_ty - ((double)baseline / PANGO_SCALE));
pango_cairo_layout_path(cr, layout);
// set bbox and increase current position (m_tx)
int lwidth, lheight;
pango_layout_get_size(layout, &lwidth, &lheight);
double width = ((double)lwidth / PANGO_SCALE);
double height = ((double)lheight / PANGO_SCALE);
m_char->bbox = wxSVGRect(m_tx, m_ty, width, height);
if (style.GetTextAnchor() == wxCSS_VALUE_MIDDLE || style.GetTextAnchor() == wxCSS_VALUE_END) {
wxSVGRect bbox = m_char->path->GetResultBBox(style);
m_tx += width > bbox.GetWidth() ? width : bbox.GetWidth();
} else
m_tx += width;
g_object_unref(layout);
pango_font_description_free(font);
#endif
}
