Exemplos de FXFT_Set_Char_Size em C++ (Cpp)

Exemplo n.º 1

Arquivo: fx_ge_font.cpp Projeto: ioctaptceb/node-pdfium

FX_BOOL CFX_Font::GetGlyphBBox(FX_DWORD glyph_index, FX_RECT &bbox)
{
    if (m_Face == NULL) {
        return FALSE;
    }
    if (FXFT_Is_Face_Tricky(m_Face)) {
        int error = FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72);
        if (error) {
            return FALSE;
        }
        error = FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
        if (error) {
            return FALSE;
        }
        FXFT_BBox cbox;
        FT_Glyph glyph;
        error = FXFT_Get_Glyph(((FXFT_Face)m_Face)->glyph, &glyph);
        if (error) {
            return FALSE;
        }
        FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
        int pixel_size_x = ((FXFT_Face)m_Face)->size->metrics.x_ppem,
            pixel_size_y = ((FXFT_Face)m_Face)->size->metrics.y_ppem;
        if (pixel_size_x == 0 || pixel_size_y == 0) {
            bbox.left = cbox.xMin;
            bbox.right = cbox.xMax;
            bbox.top = cbox.yMax;
            bbox.bottom = cbox.yMin;
        } else {
            bbox.left = cbox.xMin * 1000 / pixel_size_x;
            bbox.right = cbox.xMax * 1000 / pixel_size_x;
            bbox.top = cbox.yMax * 1000 / pixel_size_y;
            bbox.bottom = cbox.yMin * 1000 / pixel_size_y;
        }
        if (bbox.top > FXFT_Get_Face_Ascender(m_Face)) {
            bbox.top = FXFT_Get_Face_Ascender(m_Face);
        }
        if (bbox.bottom < FXFT_Get_Face_Descender(m_Face)) {
            bbox.bottom = FXFT_Get_Face_Descender(m_Face);
        }
        FT_Done_Glyph(glyph);
        return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
    }
    if (FXFT_Load_Glyph(m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
        return FALSE;
    }
    int em = FXFT_Get_Face_UnitsPerEM(m_Face);
    if (em == 0) {
        bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face);
        bbox.bottom = FXFT_Get_Glyph_HoriBearingY(m_Face);
        bbox.top = bbox.bottom - FXFT_Get_Glyph_Height(m_Face);
        bbox.right = bbox.left + FXFT_Get_Glyph_Width(m_Face);
    } else {
        bbox.left = FXFT_Get_Glyph_HoriBearingX(m_Face) * 1000 / em;
        bbox.top = (FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face)) * 1000 / em;
        bbox.right = (FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face)) * 1000 / em;
        bbox.bottom = (FXFT_Get_Glyph_HoriBearingY(m_Face)) * 1000 / em;
    }
    return TRUE;
}

Exemplo n.º 2

Arquivo: fpf_skiafont.cpp Projeto: WHS-TechOps/Aviator

FX_BOOL CFPF_SkiaFont::GetGlyphBBox(FX_INT32 iGlyphIndex, FX_RECT &rtBBox)
{
    if (!m_Face) {
        return FALSE;
    }
    if (FXFT_Is_Face_Tricky(m_Face)) {
        if (FXFT_Set_Char_Size(m_Face, 0, 1000 * 64, 72, 72)) {
            return FALSE;
        }
        if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
            FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
            return FALSE;
        }
        FXFT_Glyph glyph;
        if (FXFT_Get_Glyph(m_Face->glyph, &glyph)) {
            FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
            return FALSE;
        }
        FXFT_BBox cbox;
        FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
        FX_INT32 x_ppem = m_Face->size->metrics.x_ppem;
        FX_INT32 y_ppem = m_Face->size->metrics.y_ppem;
        rtBBox.left = FPF_EM_ADJUST(x_ppem, cbox.xMin);
        rtBBox.right = FPF_EM_ADJUST(x_ppem, cbox.xMax);
        rtBBox.top = FPF_EM_ADJUST(y_ppem, cbox.yMax);
        rtBBox.bottom = FPF_EM_ADJUST(y_ppem, cbox.yMin);
        rtBBox.top = FX_MIN(rtBBox.top, GetAscent());
        rtBBox.bottom = FX_MAX(rtBBox.bottom, GetDescent());
        FXFT_Done_Glyph(glyph);
        return FXFT_Set_Pixel_Sizes(m_Face, 0, 64) == 0;
    }
    if (FXFT_Load_Glyph(m_Face, iGlyphIndex, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH)) {
        return FALSE;
    }
    rtBBox.left = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face));
    rtBBox.bottom = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face));
    rtBBox.right = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingX(m_Face) + FXFT_Get_Glyph_Width(m_Face));
    rtBBox.top = FPF_EM_ADJUST(FXFT_Get_Face_UnitsPerEM(m_Face), FXFT_Get_Glyph_HoriBearingY(m_Face) - FXFT_Get_Glyph_Height(m_Face));
    return TRUE;
}