diff options
Diffstat (limited to 'html/en/drv/picture.html')
| -rw-r--r-- | html/en/drv/picture.html | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/html/en/drv/picture.html b/html/en/drv/picture.html new file mode 100644 index 0000000..d702555 --- /dev/null +++ b/html/en/drv/picture.html @@ -0,0 +1,81 @@ +<!doctype HTML PUBLIC "-//IETF//DTD HTML//EN"> +<html> + +<head> +<meta http-equiv="Content-Language" content="en-us"> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> +<title>CD_METAFILE</title> +<link rel="stylesheet" type="text/css" href="../../style.css"> +</head> + +<body> + +<h2>CD_PICTURE - CD Picture (cdpicture.h)</h2> + + <p>This driver allows the creation of a CD Picture. It store primitives and + attributes in memory that can be played and resized in any other driver. It + does not includes clipping and WriteMode.</p> + +<h3>Use</h3> + + <p>The file is created by calling function <font face="Courier"> + <a href="../func/init.html#cdCreateCanvas"><strong>cdCreateCanvas</strong></a>(CD_PICTURE, + Data)</font>. The <font face="Courier">Data</font> parameter is a string that + can contain the resolution in the following format:</p> + + <pre>"[resolution]" or in <em>C use "<strong><tt>%lg</tt></strong>"</em></pre> + + <p><font face="Courier">Resolution </font>is the number of pixels per millimeter; its default value is + "3.78 pixels/mm" (96 DPI).</p> +<p>The canvas size is automatically calculated to be the bounding box of all the +primitives inside the picture.</p> + <p>Any amount of such canvases may exist simultaneously. It is important to note that a call to function + <a href="../func/init.html#cdKillCanvas"><font face="Courier"><strong> + cdKillCanvas</strong></font></a> is required to release the picture memory.</p> + +<h3>Behavior of Functions</h3> +<h4>Coordinate System and Clipping </h4> +<ul> + <li><a href="../func/other.html#cdPlay"> + <font face="Courier"><strong>Play</strong></font></a>: implemented. </li> + <li><a href="../func/coordinates.html#cdUpdateYAxis"><font face="Courier"> + <strong>UpdateYAxis</strong></font></a>: does nothing.</li> + <li><b><strong>Clipping</strong>:</b> not supported.</li> + <li><strong>Transformation Matrix</strong>: not supported.</li> + <li><a href="../func/coordinates.html#cdGetCanvasSize">cdGetCanvasSize</a>: + returns the size of the bounding box that includes all primitives inside the + picture.</li> +</ul> +<h4>Attributes</h4> +<dir> + <li><a href="../func/attributes.html#cdWriteMode"><font face="Courier"> + <strong> + WriteMode</strong></font></a>: does nothing.</li> + <li><a href="../func/text.html#cdFontDim"><font face="Courier"><strong>FontDim</strong></font></a>: + uses a size estimator, returning approximate values.</li> + <li><a href="../func/text.html#cdTextSize"><font face="Courier"><strong> + TextSize</strong></font></a>: uses a size estimator, returning approximate values.</li> +</dir> +<h4>Colors</h4> +<ul> + <li><a href="../func/color.html#cdGetColorPlanes"><font face="Courier"> + <strong> + GetColorPlanes</strong></font></a>: always returns 24.</li> +</ul> +<h4>Primitives</h4> +<ul> + <li>Floating point primitives are supported.</li> +</ul> +<h4>Client Images</h4> +<ul> + <li><a href="../func/client.html#cdGetImageRGB"><font face="Courier"><strong> + GetImageRGB</strong></font></a>: does nothing.</li> +</ul> +<h4>Server Images</h4> +<ul> + <li>All functions do nothing.</li> +</ul> + +</body> + +</html> |