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<title>MBM File in Concepts</title>
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<h2>MBM File</h2>
<p>
MBM, or multi-bitmap, is a Symbian OS-specific bitmap file format. This
file contains multiple bitmaps and can contain bitmaps with masks and
bitmaps without masks. It optimizes the bitmap handling capability of Symbian
OS. The <a href="../reference/MMP_Editor.html">MMP Editor</a> (in <b>Sources</b> tab <b>> Resources > Bitmaps</b>) and <a href="../reference/view_sym_proj_nav.htm">Symbian Project Navigator</a> view provide support for creating and editing MBM
files. In the <a href="../reference/view_sym_proj_nav.htm">Symbian Project Navigator</a> view you can right-click on a scalable icon makefile (for example, <span class="code">Icons_scalable_dc.mk</span>) and select <b>Add MBM/MIF Entry...</b> to open the Edit MBM/MIF Contents window.</p>
<p>
The following information is required to add a bitmap without a mask:
</p>
<ul>
<li>
<p>
<b>Color format </b>: Specifies whether the bitmap is a gray
scale image or a color scale image.
</p>
</li>
<li>
<p>
<b>Color Depth</b>: Specifies the color depth, if the bitmap is
a color scale image.
</p>
</li>
<li>
<p>
<b>Bitmap</b>: This is the name of the bitmap file to add to
the MBM file.
</p>
</li>
</ul>
<p>
To add a bitmap with a mask, you will also need to specify:
</p>
<ul>
<li>
<p>
<b>Mask Depth</b>: Specifies the depth of the mask being
applied to the bitmap.
</p>
</li>
<li>
<p>
<b>Mask</b>: The name of the bitmap file that is used to mask
the original bitmap.
</p>
</li>
</ul>
<h5>Related tasks</h5>
<ul>
<li><a href="../tasks/Multi-BitmapFile.html">Creating an MBM File</a></li>
</ul>
<h5>Related references</h5>
<ul>
<li><a href="../reference/MBMEditor.html">MBM Editor</a></li>
</ul>
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