Edit file File name : ft2-sizes_management.html Content :<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "https://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>FreeType-2.9.1 API Reference</title> <style type="text/css"> a:link { color: #0000EF; } a:visited { color: #51188E; } a:hover { color: #FF0000; } body { font-family: Verdana, Geneva, Arial, Helvetica, serif; color: #000000; background: #FFFFFF; width: 87%; margin: auto; } div.section { width: 75%; margin: auto; } div.section hr { margin: 4ex 0 1ex 0; } div.section h4 { background-color: #EEEEFF; font-size: medium; font-style: oblique; font-weight: bold; margin: 3ex 0 1.5ex 9%; padding: 0.3ex 0 0.3ex 1%; } div.section p { margin: 1.5ex 0 1.5ex 10%; } div.section pre { margin: 3ex 0 3ex 9%; background-color: #D6E8FF; padding: 2ex 0 2ex 1%; } div.section table.fields { width: 90%; margin: 1.5ex 0 1.5ex 10%; } div.section table.toc { width: 95%; margin: 1.5ex 0 1.5ex 5%; } div.timestamp { text-align: center; font-size: 69%; margin: 1.5ex 0 1.5ex 0; } h1 { text-align: center; } h3 { font-size: medium; margin: 4ex 0 1.5ex 0; } p { text-align: justify; } pre.colored { color: blue; } span.keyword { font-family: monospace; text-align: left; white-space: pre; color: darkblue; } table.fields td.val { font-weight: bold; text-align: right; width: 30%; vertical-align: baseline; padding: 1ex 1em 1ex 0; } table.fields td.desc { vertical-align: baseline; padding: 1ex 0 1ex 1em; } table.fields td.desc p:first-child { margin: 0; } table.fields td.desc p { margin: 1.5ex 0 0 0; } table.index { margin: 6ex auto 6ex auto; border: 0; border-collapse: separate; border-spacing: 1em 0.3ex; } table.index tr { padding: 0; } table.index td { padding: 0; } table.index-toc-link { width: 100%; border: 0; border-spacing: 0; margin: 1ex 0 1ex 0; } table.index-toc-link td.left { padding: 0 0.5em 0 0.5em; font-size: 83%; text-align: left; } table.index-toc-link td.middle { padding: 0 0.5em 0 0.5em; font-size: 83%; text-align: center; } table.index-toc-link td.right { padding: 0 0.5em 0 0.5em; font-size: 83%; text-align: right; } table.synopsis { margin: 6ex auto 6ex auto; border: 0; border-collapse: separate; border-spacing: 2em 0.6ex; } table.synopsis tr { padding: 0; } table.synopsis td { padding: 0; } table.toc td.link { width: 30%; text-align: right; vertical-align: baseline; padding: 1ex 1em 1ex 0; } table.toc td.desc { vertical-align: baseline; padding: 1ex 0 1ex 1em; text-align: left; } table.toc td.desc p:first-child { margin: 0; text-align: left; } table.toc td.desc p { margin: 1.5ex 0 0 0; text-align: left; } </style> </head> <body> <table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table> <h1>FreeType-2.9.1 API Reference</h1> <h1 id="sizes_management">Size Management</h1> <h2>Synopsis</h2> <table class="synopsis"> <tr><td><a href="#FT_New_Size">FT_New_Size</a></td><td><a href="#FT_Done_Size">FT_Done_Size</a></td><td><a href="#FT_Activate_Size">FT_Activate_Size</a></td><td></td></tr> </table> <p>When creating a new face object (e.g., with <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>), an <a href="ft2-base_interface.html#FT_Size">FT_Size</a> object is automatically created and used to store all pixel-size dependent information, available in the ‘face->size’ field.</p> <p>It is however possible to create more sizes for a given face, mostly in order to manage several character pixel sizes of the same font family and style. See <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a> and <a href="ft2-sizes_management.html#FT_Done_Size">FT_Done_Size</a>.</p> <p>Note that <a href="ft2-base_interface.html#FT_Set_Pixel_Sizes">FT_Set_Pixel_Sizes</a> and <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a> only modify the contents of the current ‘active’ size; you thus need to use <a href="ft2-sizes_management.html#FT_Activate_Size">FT_Activate_Size</a> to change it.</p> <p>99% of applications won't need the functions provided here, especially if they use the caching sub-system, so be cautious when using these.</p> <div class="section"> <h3 id="FT_New_Size">FT_New_Size</h3> <p>Defined in FT_SIZES_H (freetype/ftsizes.h).</p> <pre> FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> ) <b>FT_New_Size</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face, <a href="ft2-base_interface.html#FT_Size">FT_Size</a>* size ); </pre> <p>Create a new size object from a given face object.</p> <h4>input</h4> <table class="fields"> <tr><td class="val" id="face">face</td><td class="desc"> <p>A handle to a parent face object.</p> </td></tr> </table> <h4>output</h4> <table class="fields"> <tr><td class="val" id="asize">asize</td><td class="desc"> <p>A handle to a new size object.</p> </td></tr> </table> <h4>return</h4> <p>FreeType error code. 0 means success.</p> <h4>note</h4> <p>You need to call <a href="ft2-sizes_management.html#FT_Activate_Size">FT_Activate_Size</a> in order to select the new size for upcoming calls to <a href="ft2-base_interface.html#FT_Set_Pixel_Sizes">FT_Set_Pixel_Sizes</a>, <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a>, <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>, <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a>, etc.</p> <hr> <table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="middle">[<a href="#">Top</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table></div> <div class="section"> <h3 id="FT_Done_Size">FT_Done_Size</h3> <p>Defined in FT_SIZES_H (freetype/ftsizes.h).</p> <pre> FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> ) <b>FT_Done_Size</b>( <a href="ft2-base_interface.html#FT_Size">FT_Size</a> size ); </pre> <p>Discard a given size object. Note that <a href="ft2-base_interface.html#FT_Done_Face">FT_Done_Face</a> automatically discards all size objects allocated with <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a>.</p> <h4>input</h4> <table class="fields"> <tr><td class="val" id="size">size</td><td class="desc"> <p>A handle to a target size object.</p> </td></tr> </table> <h4>return</h4> <p>FreeType error code. 0 means success.</p> <hr> <table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="middle">[<a href="#">Top</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table></div> <div class="section"> <h3 id="FT_Activate_Size">FT_Activate_Size</h3> <p>Defined in FT_SIZES_H (freetype/ftsizes.h).</p> <pre> FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> ) <b>FT_Activate_Size</b>( <a href="ft2-base_interface.html#FT_Size">FT_Size</a> size ); </pre> <p>Even though it is possible to create several size objects for a given face (see <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a> for details), functions like <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a> or <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a> only use the one that has been activated last to determine the ‘current character pixel size’.</p> <p>This function can be used to ‘activate’ a previously created size object.</p> <h4>input</h4> <table class="fields"> <tr><td class="val" id="size">size</td><td class="desc"> <p>A handle to a target size object.</p> </td></tr> </table> <h4>return</h4> <p>FreeType error code. 0 means success.</p> <h4>note</h4> <p>If ‘face’ is the size's parent face object, this function changes the value of ‘face->size’ to the input size handle.</p> <hr> <table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="middle">[<a href="#">Top</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table></div> </body> </html> Save