From 6b8821b43e47c51a303d4080fb4a1c37893a6609 Mon Sep 17 00:00:00 2001 From: rsesek Date: Sun, 21 Aug 2005 04:57:09 +0000 Subject: [PATCH] Hooked up decimal system git-svn-id: svn://depot/macosx/trunk/RGB_Converter@10 ad1dcce9-c9fe-0310-b82b-83ea1733dbb0 --- RGB_Converter.wdgt/Widget.css | 5 ++ RGB_Converter.wdgt/Widget.html | 8 ++- RGB_Converter.wdgt/Widget.js | 115 ++++++++++++++------------------- 3 files changed, 59 insertions(+), 69 deletions(-) diff --git a/RGB_Converter.wdgt/Widget.css b/RGB_Converter.wdgt/Widget.css index 85b9af5..b3307f8 100644 --- a/RGB_Converter.wdgt/Widget.css +++ b/RGB_Converter.wdgt/Widget.css @@ -44,6 +44,11 @@ body width: 50px; } +#swatch +{ + +} + /* ################################################################### */ /* Back */ diff --git a/RGB_Converter.wdgt/Widget.html b/RGB_Converter.wdgt/Widget.html index 761b627..2a1c915 100644 --- a/RGB_Converter.wdgt/Widget.html +++ b/RGB_Converter.wdgt/Widget.html @@ -28,9 +28,11 @@
-
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-
+
+ +
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diff --git a/RGB_Converter.wdgt/Widget.js b/RGB_Converter.wdgt/Widget.js index 7591682..526dc85 100644 --- a/RGB_Converter.wdgt/Widget.js +++ b/RGB_Converter.wdgt/Widget.js @@ -10,97 +10,80 @@ \*=====================================================================*/ var fields = { - red : '', - green : '', - blue : '', + red : 0, + green : 0, + blue : 0, hex : '' }; +var lastinput = 'rgb'; + // ################################################################### // watches the three RGB fields to make sure they don't go over the limites function rgbwatcher(colour) { - keycode = event.keyCode; field = document.getElementById(colour + "inputf"); - if ((keycode >= 48 && keycode <= 57) || (keycode >= 96 && keycode <= 105)) - { - fields[colour] = intval(fields[colour].toString() + intval(fetch_keycode_val(keycode))); - } - // backspace - else if (keycode == 8) + // sanitize the number + var newval = field.value.replace(/[^0-9\-\.]*/g, ""); + newval = Math.floor(newval); + + // make sure we don't go over 255 + if (newval > 255) { - fields[colour] = fields[colour].toString().substr(0, fields[colour].toString().length - 1); - field.value = fields[colour]; + newval = 255; } - else + else if (newval < 0) { - //alert("bad key: " + keycode); - field.value = fields[colour]; + newval = 0; } - //alert(window.event.keycode); + // update the text field + field.value = newval; + // set fields[] + fields[colour] = newval; - //alert(field.value); + // set hex + update_hex(); + + // redraw the swatch + lastinput = 'rgb'; + update_swatch(); } // ################################################################### -// fetches the integer value -function intval(aval) +// update the hex value +function update_hex() { - return aval - 0; + var hexstr = dec2hex(fields['red']) + dec2hex(fields['green']) + dec2hex(fields['blue']); + fields['hex'] = hexstr; } // ################################################################### -// lookup keycode -function fetch_keycode_val(keycode) +// update the colour swatch +function update_swatch() { - switch (keycode) - { - case 48: - case 96: - val = 0; - break; - case 49: - case 97: - val = 1; - break; - case 50: - case 98: - val = 2; - break; - case 51: - case 99: - val = 3; - break; - case 52: - case 100: - val = 4; - break; - case 53: - case 101: - val = 5; - break; - case 54: - case 102: - val = 6; - break; - case 55: - case 103: - val = 7; - break; - case 56: - case 104: - val = 8; - break; - case 57: - case 105: - val = 9; - break; - } - return val; +} + +// ################################################################### +// convert a decimal to a hexidecimal +function dec2hex(dec) +{ + var hexstr = "0123456789ABCDEF"; + var low = dec % 16; + var high = (dec - low) / 16; + hex = "" + hexstr.charAt(high) + hexstr.charAt(low); + + return hex.toString(); +} + +// ################################################################### +// converts a hexidecimal to a decimal +function hex2dec(hex) +{ + return parseInt(hex, 16); } // ################################################################### -- 2.43.5