File indexing completed on 2024-04-28 09:42:16
0001 /***************************************************************************** 0002 * Copyright 2003 - 2010 Craig Drummond <craig.p.drummond@gmail.com> * 0003 * Copyright 2013 - 2015 Yichao Yu <yyc1992@gmail.com> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU Lesser General Public License as * 0007 * published by the Free Software Foundation; either version 2.1 of the * 0008 * License, or (at your option) version 3, or any later version accepted * 0009 * by the membership of KDE e.V. (or its successor approved by the * 0010 * membership of KDE e.V.), which shall act as a proxy defined in * 0011 * Section 6 of version 3 of the license. * 0012 * * 0013 * This program is distributed in the hope that it will be useful, * 0014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 0016 * Lesser General Public License for more details. * 0017 * * 0018 * You should have received a copy of the GNU Lesser General Public * 0019 * License along with this library. If not, * 0020 * see <http://www.gnu.org/licenses/>. * 0021 *****************************************************************************/ 0022 0023 #include "pixcache.h" 0024 #include "check_on-png.h" 0025 #include "check_x_on-png.h" 0026 #include "blank16x16-png.h" 0027 #include "qt_settings.h" 0028 0029 #include <qtcurve-utils/gtkutils.h> 0030 0031 #include <unordered_map> 0032 0033 namespace QtCurve { 0034 0035 struct PixKey { 0036 GdkColor col; 0037 double shade; 0038 }; 0039 0040 struct PixHash { 0041 size_t 0042 operator()(const PixKey &key) const 0043 { 0044 const GdkColor &col = key.col; 0045 return (std::hash<int>()(col.red) ^ 0046 (std::hash<int>()(col.green) << 1) ^ 0047 (std::hash<int>()(col.blue) << 2) ^ 0048 (std::hash<double>()(key.shade) << 3)); 0049 } 0050 }; 0051 0052 struct PixEqual { 0053 bool 0054 operator()(const PixKey &lhs, const PixKey &rhs) const 0055 { 0056 return memcmp(&lhs, &rhs, sizeof(PixKey)) == 0; 0057 } 0058 }; 0059 0060 static std::unordered_map<PixKey, GObjPtr<GdkPixbuf>, 0061 PixHash, PixEqual> pixbufMap; 0062 #pragma GCC diagnostic push 0063 #pragma GCC diagnostic ignored "-Wdeprecated-declarations" 0064 // Replacement isn't available until the version it is deprecated 0065 // (gdk-pixbuf-2.0 2.32) 0066 static GObjPtr<GdkPixbuf> blankPixbuf = 0067 gdk_pixbuf_new_from_inline(-1, blank16x16, true, nullptr); 0068 #pragma GCC diagnostic pop 0069 0070 static GdkPixbuf* 0071 pixbufCacheValueNew(const PixKey &key) 0072 { 0073 #pragma GCC diagnostic push 0074 #pragma GCC diagnostic ignored "-Wdeprecated-declarations" 0075 // Replacement isn't available until the version it is deprecated 0076 // (gdk-pixbuf-2.0 2.32) 0077 GdkPixbuf *res = gdk_pixbuf_new_from_inline(-1, opts.xCheck ? check_x_on : 0078 check_on, true, nullptr); 0079 #pragma GCC diagnostic pop 0080 qtcAdjustPix(gdk_pixbuf_get_pixels(res), gdk_pixbuf_get_n_channels(res), 0081 gdk_pixbuf_get_width(res), gdk_pixbuf_get_height(res), 0082 gdk_pixbuf_get_rowstride(res), 0083 key.col.red >> 8, key.col.green >> 8, 0084 key.col.blue >> 8, key.shade, QTC_PIXEL_GDK); 0085 return res; 0086 } 0087 0088 GdkPixbuf* 0089 getPixbuf(GdkColor *widgetColor, EPixmap p, double shade) 0090 { 0091 if (p != PIX_CHECK) { 0092 return blankPixbuf.get(); 0093 } 0094 const PixKey key = {*widgetColor, shade}; 0095 auto &pixbuf = pixbufMap[key]; 0096 if (pixbuf.get() == nullptr) { 0097 pixbuf = pixbufCacheValueNew(key); 0098 } 0099 return pixbuf.get(); 0100 } 0101 0102 }