diff options
Diffstat (limited to 'html/en/drv/irgb.html')
| -rw-r--r-- | html/en/drv/irgb.html | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/html/en/drv/irgb.html b/html/en/drv/irgb.html index 0689dfc..20101b6 100644 --- a/html/en/drv/irgb.html +++ b/html/en/drv/irgb.html @@ -31,7 +31,8 @@ or <p>It must include the canvas' dimensions.<font face="Courier"> Width</font> and <font face="Courier">height</font> are provided in pixels (note the lowercase "x" between them). As an option, you can specify the buffers to be used by - the driver, so that you can draw over an existing image. The resolution can be defined with parameter + the driver, so that you can draw over an existing image, [r g b] or [r g b a] + are pointers to the component buffer, just like PutImageRectRGB/A. The resolution can be defined with parameter <font face="Courier">-r</font>; its default value is "3.78 pixels/mm" (96 DPI). </p> <p>When the parameter -a is specified an alpha channel will be added to the canvas underlying image. All primitives will be composed using an over operator @@ -45,11 +46,11 @@ They are not initialized when allocated by the application.</p> <a href="../func/init.html#cdKillCanvas"><strong>cdKillCanvas</strong></a> is required to release internal allocated memory.</p> <p>In Lua, the canvas can be created in two ways: with an already defined image or without it. With an image, an RGB - image must be passed as parameter, created by functions <strong> + image must be passed as parameter instead of the string, created by functions <strong> <a href="../func/client.html#cdCreateImageRGB">cd.CreateImageRGB</a>,</strong> <strong><a href="../func/client.html#cdCreateImageRGBA">cd.CreateImageRGBA</a></strong> or <strong> <a href="../func/client.html#cdCreateBitmap">cd.CreateBitmap</a></strong> - in Lua. The resolution must be passed in an extra parameter after the image.</p> + in Lua. The resolution must be passed in a second parameter after the image.</p> <h3>Exclusive Functions</h3> |