From dfe289850f068f19ba4a83ab4e7e22a7e09c13c9 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sat, 26 Jan 2013 13:17:21 -0600 Subject: Rename a number of libraries and executables to avoid conflicts with KDE4 --- khtml/misc/helper.cpp | 144 -------------------------------------------------- 1 file changed, 144 deletions(-) delete mode 100644 khtml/misc/helper.cpp (limited to 'khtml/misc/helper.cpp') diff --git a/khtml/misc/helper.cpp b/khtml/misc/helper.cpp deleted file mode 100644 index 8c0b79ab5..000000000 --- a/khtml/misc/helper.cpp +++ /dev/null @@ -1,144 +0,0 @@ -/* - * This file is part of the CSS implementation for KDE. - * - * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) - * (C) David Carson - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ -#include "helper.h" -#include "khtmllayout.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -using namespace DOM; -using namespace khtml; - -namespace khtml { - TQPainter *printpainter; -} - -void khtml::setPrintPainter( TQPainter *printer ) -{ - printpainter = printer; -} - - -double calcHue(double temp1, double temp2, double hueVal) -{ - if (hueVal < 0) - hueVal++; - else if (hueVal > 1) - hueVal--; - if (hueVal * 6 < 1) - return temp1 + (temp2 - temp1) * hueVal * 6; - if (hueVal * 2 < 1) - return temp2; - if (hueVal * 3 < 2) - return temp1 + (temp2 - temp1) * (2.0 / 3.0 - hueVal) * 6; - return temp1; -} - -// Explanation of this algorithm can be found in the CSS3 Color Module -// specification at http://www.w3.org/TR/css3-color/#hsl-color with further -// explanation available at http://en.wikipedia.org/wiki/HSL_color_space - -// all values are in the range of 0 to 1.0 -QRgb khtml::tqRgbaFromHsla(double h, double s, double l, double a) -{ - double temp2 = l < 0.5 ? l * (1.0 + s) : l + s - l * s; - double temp1 = 2.0 * l - temp2; - - return tqRgba(calcHue(temp1, temp2, h + 1.0 / 3.0) * 255, calcHue(temp1, temp2, h) * 255, calcHue(temp1, temp2, h - 1.0 / 3.0) * 255, a * 255); -} - -/** finds out the background color of an element - * @param obj render object - * @return the background color. It is guaranteed that a valid color is returned. - */ -TQColor khtml::retrieveBackgroundColor(const RenderObject *obj) -{ - TQColor result; - while (!obj->isCanvas()) { - result = obj->style()->backgroundColor(); - if (result.isValid()) return result; - - obj = obj->container(); - }/*wend*/ - - // everything transparent? Use base then. - return obj->style()->palette().active().base(); -} - -/** checks whether the given colors have enough contrast - * @returns @p true if contrast is ok. - */ -bool khtml::hasSufficientContrast(const TQColor &c1, const TQColor &c2) -{ -// New version from Germain Garand, better suited for contrast measurement -#if 1 - -#define HUE_DISTANCE 40 -#define CONTRAST_DISTANCE 10 - - int h1, s1, v1, h2, s2, v2; - int hdist = -CONTRAST_DISTANCE; - c1.hsv(&h1,&s1,&v1); - c2.hsv(&h2,&s2,&v2); - if(h1!=-1 && h2!=-1) { // grey values have no hue - hdist = kAbs(h1-h2); - if (hdist > 180) hdist = 360-hdist; - if (hdist < HUE_DISTANCE) { - hdist -= HUE_DISTANCE; - // see if they are high key or low key colours - bool hk1 = h1>=45 && h1<=225; - bool hk2 = h2>=45 && h2<=225; - if (hk1 && hk2) - hdist = (5*hdist)/3; - else if (!hk1 && !hk2) - hdist = (7*hdist)/4; - } - hdist = kMin(hdist, HUE_DISTANCE*2); - } - return hdist + (kAbs(s1-s2)*128)/(160+kMin(s1,s2)) + kAbs(v1-v2) > CONTRAST_DISTANCE; - -#undef CONTRAST_DISTANCE -#undef HUE_DISTANCE - -#else // orginal fast but primitive version by me (LS) - -// ### arbitrary value, to be adapted if necessary (LS) -#define CONTRAST_DISTANCE 32 - - if (kAbs(c1.red() - c2.red()) > CONTRAST_DISTANCE) return true; - if (kAbs(c1.green() - c2.green()) > CONTRAST_DISTANCE) return true; - if (kAbs(c1.blue() - c2.blue()) > CONTRAST_DISTANCE) return true; - - return false; - -#undef CONTRAST_DISTANCE - -#endif -} -- cgit v1.2.1