{"id":2546,"date":"2025-04-16T05:26:29","date_gmt":"2025-04-16T05:26:29","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=2546"},"modified":"2025-06-10T11:19:17","modified_gmt":"2025-06-10T11:19:17","slug":"reset","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/hash-commands-and-functions\/hmi-controller-instructions\/reset\/","title":{"rendered":"# Reset()"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Valid For<\/th><td>#HMI<\/td><\/tr><tr><th>Applies To<\/th><td>HMI430<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>This instruction resets the screen, erasing all buttons and images and then draws either a background image or solid background colour.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">Function Prototype<\/h6>\n\n\n\n<pre class=\"wp-block-preformatted\"># Reset(<br>   i:\"ImageFilename\",<br>   b:BackgroundColour<br>)<\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Parameter<\/th><th>Option<\/th><th>Description<\/th><\/tr><tr><th>i<\/th><td>optional<\/td><td>The filename of a background image.<\/td><\/tr><tr><th>b<\/th><td>optional<\/td><td>The background colour.&nbsp; Defaults to black.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\">Description<\/h6>\n\n\n\n<p>Resets SimpleHMI in preparation for drawing a new screen.&nbsp; It does these things:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frees all buttons.<\/li>\n\n\n\n<li>Frees all images.<\/li>\n\n\n\n<li>Sets the font back to sysdefault.<\/li>\n\n\n\n<li>Moves the cursor to (0,0).<\/li>\n\n\n\n<li>Sets the foreground colour to white<\/li>\n\n\n\n<li>Sets the background colour to transparent.<\/li>\n\n\n\n<li>Clears the screen.<\/li>\n\n\n\n<li>Draws either the background image or colour.<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">Popup<\/h6>\n\n\n\n<p>Reset allows you to display a popup.&nbsp; The trick is to create an image smaller than the screen that represents the popup background.&nbsp; Then specify this image and a slightly transparent colour.&nbsp; Reset will draw the translucent colour over the existing screen and display the popup background on top.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">   #HMI Reset( i:\"popup.png\", b:'80000000 )<br>   #HMI SetBounds( x:100px, y:50px, w:280px, h:170px )<br>   #HMI Print( \"An error has occurred\" )<br>   #HMI SetBounds()<\/pre>\n\n\n\n<p>This will darken the existing screen and draw the popup image on top.&nbsp; The message will be displayed in the popup.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">Examples<\/h6>\n\n\n\n<pre class=\"wp-block-preformatted\">   #HMI Reset()<\/pre>\n\n\n\n<p>This will clear everything from the screen and shows a black background.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">   #HMI Reset( i:\"Woodgrain.png\" )<\/pre>\n\n\n\n<p>This will clear everything from the screen and draw the &#8220;Woodgrain.png&#8221; image as the background.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Valid For #HMI Applies To HMI430 This instruction resets the screen, erasing all buttons and images and then draws either a background image or solid&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2505,"menu_order":17,"template":"","class_list":["post-2546","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - 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