예제 #1
0
파일: fontmgr.cpp 프로젝트: JavierJF/skia
static SkScalar drawCharacter(SkCanvas* canvas, uint32_t character, SkScalar x,
                              SkScalar y, SkPaint& paint, SkFontMgr* fm,
                              const char* fontName, const char* bcp47[], int bcp47Count,
                              const SkFontStyle& fontStyle) {
    // find typeface containing the requested character and draw it
    SkString ch;
    ch.appendUnichar(character);
    SkTypeface* typeface = fm->matchFamilyStyleCharacter(fontName, fontStyle,
                                                         bcp47, bcp47Count, character);
    SkSafeUnref(paint.setTypeface(typeface));
    x = drawString(canvas, ch, x, y, paint) + 20;

    if (nullptr == typeface) {
        return x;
    }

    // repeat the process, but this time use the family name of the typeface
    // from the first pass.  This emulates the behavior in Blink where it
    // it expects to get the same glyph when following this pattern.
    SkString familyName;
    typeface->getFamilyName(&familyName);
    SkTypeface* typefaceCopy = fm->legacyCreateTypeface(familyName.c_str(), typeface->fontStyle());
    SkSafeUnref(paint.setTypeface(typefaceCopy));
    return drawString(canvas, ch, x, y, paint) + 20;
}
예제 #2
0
SkTypeface* SkCreateTypefaceFromCairoFTFontWithFontconfig(cairo_scaled_font_t* scaledFont, FcPattern* pattern)
{
    cairo_font_face_t* fontFace = cairo_scaled_font_get_font_face(scaledFont);
    SkASSERT(cairo_font_face_status(fontFace) == CAIRO_STATUS_SUCCESS);

    SkTypeface* typeface = reinterpret_cast<SkTypeface*>(cairo_font_face_get_user_data(fontFace, &kSkTypefaceKey));
    if (typeface) {
        typeface->ref();
    } else {
        CairoLockedFTFace faceLock(scaledFont);
        if (FT_Face face = faceLock.getFace()) {
            typeface = SkCairoFTTypeface::CreateTypeface(fontFace, face, pattern);
            SkTypefaceCache::Add(typeface, typeface->fontStyle());
        }
    }

    return typeface;
}