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1f6a1bd8d9
* Unindent CSS, save 3 kb of code. * Convert generator functions to template strings. This resolves #5761.
82 lines
2.7 KiB
JavaScript
82 lines
2.7 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.module('Blockly.PHP.colour');
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const PHP = goog.require('Blockly.PHP');
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PHP['colour_picker'] = function(block) {
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// Colour picker.
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const code = PHP.quote_(block.getFieldValue('COLOUR'));
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return [code, PHP.ORDER_ATOMIC];
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};
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PHP['colour_random'] = function(block) {
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// Generate a random colour.
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const functionName = PHP.provideFunction_('colour_random', `
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function ${PHP.FUNCTION_NAME_PLACEHOLDER_}() {
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return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);
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}
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`);
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const code = functionName + '()';
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return [code, PHP.ORDER_FUNCTION_CALL];
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};
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PHP['colour_rgb'] = function(block) {
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// Compose a colour from RGB components expressed as percentages.
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const red = PHP.valueToCode(block, 'RED', PHP.ORDER_NONE) || 0;
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const green = PHP.valueToCode(block, 'GREEN', PHP.ORDER_NONE) || 0;
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const blue = PHP.valueToCode(block, 'BLUE', PHP.ORDER_NONE) || 0;
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const functionName = PHP.provideFunction_('colour_rgb', `
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function ${PHP.FUNCTION_NAME_PLACEHOLDER_}($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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`);
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const code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
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return [code, PHP.ORDER_FUNCTION_CALL];
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};
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PHP['colour_blend'] = function(block) {
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// Blend two colours together.
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const c1 = PHP.valueToCode(block, 'COLOUR1', PHP.ORDER_NONE) || "'#000000'";
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const c2 = PHP.valueToCode(block, 'COLOUR2', PHP.ORDER_NONE) || "'#000000'";
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const ratio = PHP.valueToCode(block, 'RATIO', PHP.ORDER_NONE) || 0.5;
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const functionName = PHP.provideFunction_('colour_blend', `
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function ${PHP.FUNCTION_NAME_PLACEHOLDER_}($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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`);
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const code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
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return [code, PHP.ORDER_FUNCTION_CALL];
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};
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