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90b3f75d82
Our files are up to a decade old, and have churned so much, that the initial author of the file no longer has much meaning. Furthermore, this will encourage developers to post to the developer group, rather than emailing Googlers (usually me) directly.
91 lines
3.3 KiB
JavaScript
91 lines
3.3 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Generating PHP for colour blocks.
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*/
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'use strict';
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goog.provide('Blockly.PHP.colour');
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goog.require('Blockly.PHP');
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Blockly.PHP['colour_picker'] = function(block) {
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// Colour picker.
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var code = Blockly.PHP.quote_(block.getFieldValue('COLOUR'));
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return [code, Blockly.PHP.ORDER_ATOMIC];
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};
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Blockly.PHP['colour_random'] = function(block) {
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// Generate a random colour.
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var functionName = Blockly.PHP.provideFunction_(
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'colour_random',
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['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '() {',
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' return \'#\' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), ' +
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'6, \'0\', STR_PAD_LEFT);',
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'}']);
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var code = functionName + '()';
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return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
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};
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Blockly.PHP['colour_rgb'] = function(block) {
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// Compose a colour from RGB components expressed as percentages.
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var red = Blockly.PHP.valueToCode(block, 'RED',
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Blockly.PHP.ORDER_NONE) || 0;
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var green = Blockly.PHP.valueToCode(block, 'GREEN',
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Blockly.PHP.ORDER_NONE) || 0;
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var blue = Blockly.PHP.valueToCode(block, 'BLUE',
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Blockly.PHP.ORDER_NONE) || 0;
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var functionName = Blockly.PHP.provideFunction_(
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'colour_rgb',
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['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
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'($r, $g, $b) {',
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' $r = round(max(min($r, 100), 0) * 2.55);',
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' $g = round(max(min($g, 100), 0) * 2.55);',
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' $b = round(max(min($b, 100), 0) * 2.55);',
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' $hex = \'#\';',
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' $hex .= str_pad(dechex($r), 2, \'0\', STR_PAD_LEFT);',
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' $hex .= str_pad(dechex($g), 2, \'0\', STR_PAD_LEFT);',
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' $hex .= str_pad(dechex($b), 2, \'0\', STR_PAD_LEFT);',
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' return $hex;',
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'}']);
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var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
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return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
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};
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Blockly.PHP['colour_blend'] = function(block) {
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// Blend two colours together.
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var c1 = Blockly.PHP.valueToCode(block, 'COLOUR1',
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Blockly.PHP.ORDER_NONE) || '\'#000000\'';
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var c2 = Blockly.PHP.valueToCode(block, 'COLOUR2',
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Blockly.PHP.ORDER_NONE) || '\'#000000\'';
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var ratio = Blockly.PHP.valueToCode(block, 'RATIO',
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Blockly.PHP.ORDER_NONE) || 0.5;
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var functionName = Blockly.PHP.provideFunction_(
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'colour_blend',
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['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
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'($c1, $c2, $ratio) {',
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' $ratio = max(min($ratio, 1), 0);',
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' $r1 = hexdec(substr($c1, 1, 2));',
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' $g1 = hexdec(substr($c1, 3, 2));',
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' $b1 = hexdec(substr($c1, 5, 2));',
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' $r2 = hexdec(substr($c2, 1, 2));',
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' $g2 = hexdec(substr($c2, 3, 2));',
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' $b2 = hexdec(substr($c2, 5, 2));',
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' $r = round($r1 * (1 - $ratio) + $r2 * $ratio);',
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' $g = round($g1 * (1 - $ratio) + $g2 * $ratio);',
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' $b = round($b1 * (1 - $ratio) + $b2 * $ratio);',
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' $hex = \'#\';',
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' $hex .= str_pad(dechex($r), 2, \'0\', STR_PAD_LEFT);',
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' $hex .= str_pad(dechex($g), 2, \'0\', STR_PAD_LEFT);',
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' $hex .= str_pad(dechex($b), 2, \'0\', STR_PAD_LEFT);',
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' return $hex;',
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'}']);
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var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
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return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
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};
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