group__bmp__fns.htm

MINIGUI1.6开发API

          <td class="mdname" nowrap> <em>src</em></td>
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<p>
Scales a BITMAP object into another BITMAP object by using DDA algorithm. 
<p>
This function scales a BITMAP object <em>src</em> into another BITMAO object <em>dst</em> by using DDA algorithm. The source rectangle and the destination rectangle both are defined in the BITMAP objects.<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>dst</em>&nbsp;</td><td>The destination BITMAP object. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>src</em>&nbsp;</td><td>The srouce BITMAP object. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>TRUE on success, otherwise FALSE.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>Only defined for _USE_NEWGAL.</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__bmp__fns.htm#ga1">FillBoxWithBitmap</a>, <a class="el" href="group__bmp__fns.htm#ga4">StretchBlt</a>, <a class="el" href="group__bmp__struct.htm">Bitmap structure</a> </dd></dl>
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<a class="anchor" name="ga7" doxytag="gdi.h::SetPixelInBitmap"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="group__simple__types.htm#ga0">BOOL</a> GUIAPI SetPixelInBitmap           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="struct__BITMAP.htm">BITMAP</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>bmp</em>, </td>
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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>x</em>, </td>
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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>y</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="group__gdi__types.htm#ga8">gal_pixel</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>pixel</em></td>
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<p>
Sets pixel value in a BITMAP object. 
<p>
This function sets the pixel value at the position <em></em>(x,y) in the BITMAP object <em>bmp</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>bmp</em>&nbsp;</td><td>The BITMAP object. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>x</em>&nbsp;</td><td>x,y: The position of the pixel in the bitmap relative to the upper-left corner of the bitmap. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>y</em>&nbsp;</td><td>x,y: The position of the pixel in the bitmap relative to the upper-left corner of the bitmap. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>pixel</em>&nbsp;</td><td>The pixel value.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>TRUE on success. If the position is out of the bitmap, FALSE returned.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>Only defined for _USE_NEWGAL.</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__bmp__fns.htm#ga6">GetPixelInBitmap</a>, <a class="el" href="group__bmp__struct.htm">Bitmap structure</a> </dd></dl>
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<a class="anchor" name="ga4" doxytag="gdi.h::StretchBlt"></a><p>
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          <td class="md" nowrap valign="top">void GUIAPI StretchBlt           </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>hsdc</em>, </td>
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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>sx</em>, </td>
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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>sy</em>, </td>
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          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>sw</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>sh</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap><a class="el" href="group__handles.htm#ga2">HDC</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>hddc</em>, </td>
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          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>dx</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>dy</em>, </td>
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          <td class="mdname" nowrap> <em>dw</em>, </td>
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          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>dh</em>, </td>
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          <td class="md" nowrap><a class="el" href="group__win32__types.htm#ga4">DWORD</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>dwRop</em></td>
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<p>
Copies a bitmap from a source rectangle into a destination rectangle, streches the bitmap if necessary. 
<p>
This function copies a bitmap from a source rectangle into a destination rectangle, streching or compressing the bitmap to fit the dimension of the destination rectangle, if necessary. This function is similar with <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__bmp__fns.htm#ga3">BitBlt</a> function except the former scaling the bitmap. <em></em>(dw,dh) specifies the size of the destination rectangle.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>hsdc</em>&nbsp;</td><td>The source device context. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>sx</em>&nbsp;</td><td>The x coordinate of the upper-left corner of the rectangle in the source DC. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>sy</em>&nbsp;</td><td>The y coordinate of the upper-left corner of the rectangle in the source DC. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>sw</em>&nbsp;</td><td>The width of the source rectangle. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>sh</em>&nbsp;</td><td>The height of the source rectangle. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>hddc</em>&nbsp;</td><td>The destination device context <em>hddc</em>. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dx</em>&nbsp;</td><td>The x coordinate of the upper-left corner of the rectangle in the destination DC. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dy</em>&nbsp;</td><td>The y coordinate of the upper-left corner of the rectangle in the destination DC. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dw</em>&nbsp;</td><td>The width of the destination rectangle. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dh</em>&nbsp;</td><td>The height of the destination rectangle. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>dwRop</em>&nbsp;</td><td>The raster operation, currently ignored.</td></tr>
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</dl>
<dl compact><dt><b>Note:</b></dt><dd>The source rect should be contained in the device space entirely, and all coordinates should be in the device space.<p>
The alpha and color key settings of the source DC will not come into play.</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="group__bmp__fns.htm#ga3">BitBlt</a>, <a class="el" href="group__dc__fns.htm#ga17">SetMemDCAlpha</a>, <a class="el" href="group__dc__fns.htm#ga18">SetMemDCColorKey</a> </dd></dl>
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