group__font__fns.htm

MINIGUI1.6开发API

          <td class="md" nowrap valign="top">void GUIAPI GetGlyphBitmap           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="struct__LOGFONT.htm">LOGFONT</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>log_font</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>mchar</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>mchar_len</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="struct__GLYPHBITMAP.htm">GLYPHBITMAP</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>glyph_bitmap</em></td>
        </tr>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Gets the glyph bitmap information when uses a logical font to output a character. 
<p>
This function gets the glyph bitmap of one multi-byte character (specified by <em>mchar</em> and <em>mchar_len</em>) and returns the bitmap information through <em>font_bitmap</em> when using <em>log_font</em> to render the character.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>log_font</em>&nbsp;</td><td>The logical font used to render the character. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>mchar</em>&nbsp;</td><td>The pointer to the multi-byte character. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>mchar_len</em>&nbsp;</td><td>The length of the multi-byte character. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>glyph_bitmap</em>&nbsp;</td><td>The buffer receives the glyph bitmap information. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
Example: <div class="fragment"><pre class="fragment">      <a class="code" href="struct__GLYPHBITMAP.htm">GLYPHBITMAP</a> glyph_bitmap = {0};

      <a class="code" href="group__font__fns.htm#ga12">GetGlyphBitmap</a> (log_font, <span class="stringliteral">"A"</span>, 1, &amp;glyph_bitmap);
</pre></div><p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__font__fns.htm#ga11">GetFontMetrics</a>, <a class="el" href="group__font__fns.htm#ga10">GLYPHBITMAP</a> </dd></dl>
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<a class="anchor" name="ga17" doxytag="gdi.h::GetLogFontInfo"></a><p>
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          <td class="md" nowrap valign="top">void GUIAPI GetLogFontInfo           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__handles.htm#ga2">HDC</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>hdc</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="struct__LOGFONT.htm">LOGFONT</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>log_font</em></td>
        </tr>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Gets logical font information of a DC. 
<p>
This function gets the logical font information of the specified DC <em>hdc</em>, and copies to the LOGFONT structure pointed to by <em>log_font</em>.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>hdc</em>&nbsp;</td><td>The device context. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>log_font</em>&nbsp;</td><td>The pointer to the LOGFONT structure to save the logical font info.</td></tr>
  </table>
</dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__font__fns.htm#ga18">GetCurFont</a> </dd></dl>
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<a class="anchor" name="ga20" doxytag="gdi.h::GetNextDevFont"></a><p>
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          <td class="md" nowrap valign="top">const <a class="el" href="struct__DEVFONT.htm">DEVFONT</a> *GUIAPI GetNextDevFont           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="struct__DEVFONT.htm">DEVFONT</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>dev_font</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Get next devfont information. 
<p>
This function can be used to enumerate all device fonts loaded by MiniGUI.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>dev_font</em>&nbsp;</td><td>The pointer to the current device font, can be NULL to get the first device font. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The next device font. </dd></dl>
    </td>
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<a class="anchor" name="ga22" doxytag="gdi.h::LoadDevFontFromFile"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="group__simple__types.htm#ga0">BOOL</a> GUIAPI LoadDevFontFromFile           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>devfont_name</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>file_name</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="struct__DEVFONT.htm">DEVFONT</a> **&nbsp;</td>
          <td class="mdname" nowrap> <em>devfont</em></td>
        </tr>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Load device font from font file. 
<p>
This function can be used to load device font from font file.Now,it support free type font file and qpf font file.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>devfont_name</em>&nbsp;</td><td>The device font name.</td></tr>
    <tr><td valign="top"></td><td valign="top"><em>file_name</em>&nbsp;</td><td>The font file name.</td></tr>
    <tr><td valign="top"></td><td valign="top"><em>devfont</em>&nbsp;</td><td>The pointer to pointer of DEVFONT structure.</td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>TRUE on success, FALSE on error.</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__font__fns.htm#ga20">GetNextDevFont</a>, <a class="el" href="group__font__fns.htm#ga23">DestroyDynamicDevFont</a> </dd></dl>
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<a class="anchor" name="ga19" doxytag="gdi.h::SelectFont"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="struct__LOGFONT.htm">PLOGFONT</a> GUIAPI SelectFont           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__handles.htm#ga2">HDC</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>hdc</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="struct__LOGFONT.htm">PLOGFONT</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>log_font</em></td>
        </tr>
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          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Selects a logical font into a DC. 
<p>
This function selects the specified logical font <em>log_font</em> into the device context <em>hdc</em>.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>hdc</em>&nbsp;</td><td>The device context. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>log_font</em>&nbsp;</td><td>The pointer to the logical font to be selected into the DC. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The old logical font of the DC.</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__font__fns.htm#ga18">GetCurFont</a></dd></dl>
Example:<p>
<div class="fragment"><pre class="fragment">
<span class="keywordtype">void</span> OnModeDrawText (<a class="code" href="group__handles.htm#ga2">HDC</a> hdc)
{
    <a class="code" href="struct__RECT.htm">RECT</a> rc1, rc2, rc3, rc4;
    <span class="keyword">const</span> <span class="keywordtype">char</span>* szBuff1 = <span class="stringliteral">"This is a good day. \n"</span>
            <span class="stringliteral">"This text is drawn by calling DrawText."</span>;
    <span class="keyword">const</span> <span class="keywordtype">char</span>* szBuff2 = <span class="stringliteral">"This is a good day. \n"</span>
            <span class="stringliteral">"This text is drawn by calling DrawText."</span>;
    <span class="keyword">const</span> <span class="keywordtype">char</span>* szBuff3 = <span class="stringliteral">"Single line text, center."</span>;
    <span class="keyword">const</span> <span class="keywordtype">char</span>* szBuff4 = 
            <span class="stringliteral">"This text is drawn by calling DrawText."</span>;

    rc1.<a class="code" href="struct__RECT.htm#o0">left</a> = 1; rc1.<a class="code" href="struct__RECT.htm#o1">top</a>  = 1; rc1.<a class="code" href="struct__RECT.htm#o2">right</a> = 401; rc1.<a class="code" href="struct__RECT.htm#o3">bottom</a> = 101;
    rc2.<a class="code" href="struct__RECT.htm#o0">left</a> = 0; rc2.<a class="code" href="struct__RECT.htm#o1">top</a>  = 110; rc2.<a class="code" href="struct__RECT.htm#o2">right</a> = 401; rc2.<a class="code" href="struct__RECT.htm#o3">bottom</a> = 351;
    rc3.<a class="code" href="struct__RECT.htm#o0">left</a> = 0; rc3.<a class="code" href="struct__RECT.htm#o1">top</a>  = 361; rc3.<a class="code" href="struct__RECT.htm#o2">right</a> = 401; rc3.<a class="code" href="struct__RECT.htm#o3">bottom</a> = 451;
    rc4.<a class="code" href="struct__RECT.htm#o0">left</a> = 0; rc4.<a class="code" href="struct__RECT.htm#o1">top</a>  = 461; rc4.<a class="code" href="struct__RECT.htm#o2">right</a> = 401; rc4.<a class="code" href="struct__RECT.htm#o3">bottom</a> = 551;

    <a class="code" href="group__dc__attrs.htm#ga28">SetBkColor</a> (hdc, <a class="code" href="group__color__vars.htm#ga36">COLOR_lightwhite</a>);

    <a class="code" href="group__draw__fns.htm#ga34">Rectangle</a> (hdc, rc1.<a class="code" href="struct__RECT.htm#o0">left</a>, rc1.<a class="code" href="struct__RECT.htm#o1">top</a>, rc1.<a class="code" href="struct__RECT.htm#o2">right</a>, rc1.<a class="code" href="struct__RECT.htm#o3">bottom</a>);
    <a class="code" href="group__draw__fns.htm#ga34">Rectangle</a> (hdc, rc2.<a class="code" href="struct__RECT.htm#o0">left</a>, rc2.<a class="code" href="struct__RECT.htm#o1">top</a>, rc2.<a class="code" href="struct__RECT.htm#o2">right</a>, rc2.<a class="code" href="struct__RECT.htm#o3">bottom</a>);
    <a class="code" href="group__draw__fns.htm#ga34">Rectangle</a> (hdc, rc3.<a class="code" href="struct__RECT.htm#o0">left</a>, rc3.<a class="code" href="struct__RECT.htm#o1">top</a>, rc3.<a class="code" href="struct__RECT.htm#o2">right</a>, rc3.<a class="code" href="struct__RECT.htm#o3">bottom</a>);
    <a class="code" href="group__draw__fns.htm#ga34">Rectangle</a> (hdc, rc4.<a class="code" href="struct__RECT.htm#o0">left</a>, rc4.<a class="code" href="struct__RECT.htm#o1">top</a>, rc4.<a class="code" href="struct__RECT.htm#o2">right</a>, rc4.<a class="code" href="struct__RECT.htm#o3">bottom</a>);

    <a class="code" href="group__rect__fns.htm#ga4">InflateRect</a> (&amp;rc1, -1, -1);
    <a class="code" href="group__rect__fns.htm#ga4">InflateRect</a> (&amp;rc2, -1, -1);
    <a class="code" href="group__rect__fns.htm#ga4">InflateRect</a> (&amp;rc3, -1, -1);
    <a class="code" href="group__rect__fns.htm#ga4">InflateRect</a> (&amp;rc4, -1, -1);

    <a class="code" href="group__font__fns.htm#ga19">SelectFont</a> (hdc, logfontgb12);
    <a class="code" href="group__text__output__fns.htm#ga35">DrawText</a> (hdc, szBuff1, -1, &amp;rc1, DT_NOCLIP | DT_CENTER | DT_WORDBREAK);

    <a class="code" href="group__font__fns.htm#ga19">SelectFont</a> (hdc, logfontgb16);
    <a class="code" href="group__text__output__fns.htm#ga35">DrawText</a> (hdc, szBuff2, -1, &amp;rc2, DT_NOCLIP | DT_RIGHT | DT_WORDBREAK);

    <a class="code" href="group__font__fns.htm#ga19">SelectFont</a> (hdc, logfontgb24);
    <a class="code" href="group__text__output__fns.htm#ga35">DrawText</a> (hdc, szBuff3, -1, &amp;rc3, DT_NOCLIP | DT_SINGLELINE | DT_CENTER | DT_VCENTER);

    <a class="code" href="group__font__fns.htm#ga19">SelectFont</a> (hdc, logfontgb16);
    <a class="code" href="group__text__output__fns.htm#ga36">DrawTextEx</a> (hdc, szBuff4, -1, &amp;rc4, 32, DT_NOCLIP | DT_LEFT | DT_WORDBREAK);
}
</pre></div>     </td>
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