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Diffstat (limited to 'client/browser/qtermwidget/src/CharacterColor.h')
| -rw-r--r-- | client/browser/qtermwidget/src/CharacterColor.h | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/client/browser/qtermwidget/src/CharacterColor.h b/client/browser/qtermwidget/src/CharacterColor.h deleted file mode 100644 index 1b866740..00000000 --- a/client/browser/qtermwidget/src/CharacterColor.h +++ /dev/null @@ -1,301 +0,0 @@ -/* - This file is part of Konsole, KDE's terminal. - - Copyright (C) 2007 by Robert Knight <robertknight@gmail.com> - Copyright (C) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> - - Rewritten for QT4 by e_k <e_k at users.sourceforge.net>, Copyright (C)2008 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 USA. -*/ - -#ifndef CHARACTERCOLOR_H -#define CHARACTERCOLOR_H - -// Qt -#include <QtGui/QColor> - -namespace Konsole -{ - -/** - * An entry in a terminal display's color palette. - * - * A color palette is an array of 16 ColorEntry instances which map - * system color indexes (from 0 to 15) into actual colors. - * - * Each entry can be set as bold, in which case any text - * drawn using the color should be drawn in bold. - * - * Each entry can also be transparent, in which case the terminal - * display should avoid drawing the background for any characters - * using the entry as a background. - */ -class ColorEntry -{ -public: - /** - * Constructs a new color palette entry. - * - * @param c The color value for this entry. - * @param tr Specifies that the color should be transparent when used as a background color. - * @param b Specifies that text drawn with this color should be bold. - */ - ColorEntry(QColor c, bool tr, bool b) : color(c), transparent(tr), bold(b) {} - - /** - * Constructs a new color palette entry with an undefined color, and - * with the transparent and bold flags set to false. - */ - ColorEntry() : transparent(false), bold(false) {} - - /** - * Sets the color, transparency and boldness of this color to those of @p rhs. - */ - void operator=(const ColorEntry& rhs) - { - color = rhs.color; - transparent = rhs.transparent; - bold = rhs.bold; - } - - /** The color value of this entry for display. */ - QColor color; - - /** - * If true character backgrounds using this color should be transparent. - * This is not applicable when the color is used to render text. - */ - bool transparent; - /** - * If true characters drawn using this color should be bold. - * This is not applicable when the color is used to draw a character's background. - */ - bool bold; -}; - - -// Attributed Character Representations /////////////////////////////// - -// Colors - -#define BASE_COLORS (2+8) -#define INTENSITIES 2 -#define TABLE_COLORS (INTENSITIES*BASE_COLORS) - -#define DEFAULT_FORE_COLOR 0 -#define DEFAULT_BACK_COLOR 1 - -//a standard set of colors using black text on a white background. -//defined in TerminalDisplay.cpp - -static const ColorEntry base_color_table[TABLE_COLORS] = -// The following are almost IBM standard color codes, with some slight -// gamma correction for the dim colors to compensate for bright X screens. -// It contains the 8 ansiterm/xterm colors in 2 intensities. -{ - // Fixme: could add faint colors here, also. - // normal - ColorEntry(QColor(0x00,0x00,0x00), 0, 0 ), ColorEntry( QColor(0xB2,0xB2,0xB2), 1, 0 ), // Dfore, Dback - ColorEntry(QColor(0x00,0x00,0x00), 0, 0 ), ColorEntry( QColor(0xB2,0x18,0x18), 0, 0 ), // Black, Red - ColorEntry(QColor(0x18,0xB2,0x18), 0, 0 ), ColorEntry( QColor(0xB2,0x68,0x18), 0, 0 ), // Green, Yellow - ColorEntry(QColor(0x18,0x18,0xB2), 0, 0 ), ColorEntry( QColor(0xB2,0x18,0xB2), 0, 0 ), // Blue, Magenta - ColorEntry(QColor(0x18,0xB2,0xB2), 0, 0 ), ColorEntry( QColor(0xB2,0xB2,0xB2), 0, 0 ), // Cyan, White - // intensiv - ColorEntry(QColor(0x00,0x00,0x00), 0, 1 ), ColorEntry( QColor(0xFF,0xFF,0xFF), 1, 0 ), - ColorEntry(QColor(0x68,0x68,0x68), 0, 0 ), ColorEntry( QColor(0xFF,0x54,0x54), 0, 0 ), - ColorEntry(QColor(0x54,0xFF,0x54), 0, 0 ), ColorEntry( QColor(0xFF,0xFF,0x54), 0, 0 ), - ColorEntry(QColor(0x54,0x54,0xFF), 0, 0 ), ColorEntry( QColor(0xFF,0x54,0xFF), 0, 0 ), - ColorEntry(QColor(0x54,0xFF,0xFF), 0, 0 ), ColorEntry( QColor(0xFF,0xFF,0xFF), 0, 0 ) -}; - -/* CharacterColor is a union of the various color spaces. - - Assignment is as follows: - - Type - Space - Values - - 0 - Undefined - u: 0, v:0 w:0 - 1 - Default - u: 0..1 v:intense w:0 - 2 - System - u: 0..7 v:intense w:0 - 3 - Index(256) - u: 16..255 v:0 w:0 - 4 - RGB - u: 0..255 v:0..256 w:0..256 - - Default colour space has two separate colours, namely - default foreground and default background colour. -*/ - -#define COLOR_SPACE_UNDEFINED 0 -#define COLOR_SPACE_DEFAULT 1 -#define COLOR_SPACE_SYSTEM 2 -#define COLOR_SPACE_256 3 -#define COLOR_SPACE_RGB 4 - -/** - * Describes the color of a single character in the terminal. - */ -class CharacterColor -{ - friend class Character; - -public: - /** Constructs a new CharacterColor whoose color and color space are undefined. */ - CharacterColor() - : _colorSpace(COLOR_SPACE_UNDEFINED), - _u(0), - _v(0), - _w(0) - {} - - /** - * Constructs a new CharacterColor using the specified @p colorSpace and with - * color value @p co - * - * The meaning of @p co depends on the @p colorSpace used. - * - * TODO : Document how @p co relates to @p colorSpace - * - * TODO : Add documentation about available color spaces. - */ - CharacterColor(quint8 colorSpace, int co) - : _colorSpace(colorSpace), - _u(0), - _v(0), - _w(0) - { - switch (colorSpace) - { - case COLOR_SPACE_DEFAULT: - _u = co & 1; - break; - case COLOR_SPACE_SYSTEM: - _u = co & 7; - _v = (co >> 3) & 1; - break; - case COLOR_SPACE_256: - _u = co & 255; - break; - case COLOR_SPACE_RGB: - _u = co >> 16; - _v = co >> 8; - _w = co; - break; - default: - _colorSpace = COLOR_SPACE_UNDEFINED; - } - } - - /** - * Returns true if this character color entry is valid. - */ - bool isValid() - { - return _colorSpace != COLOR_SPACE_UNDEFINED; - } - - /** - * Toggles the value of this color between a normal system color and the corresponding intensive - * system color. - * - * This is only applicable if the color is using the COLOR_SPACE_DEFAULT or COLOR_SPACE_SYSTEM - * color spaces. - */ - void toggleIntensive(); - - /** - * Returns the color within the specified color @palette - * - * The @p palette is only used if this color is one of the 16 system colors, otherwise - * it is ignored. - */ - QColor color(const ColorEntry* palette) const; - - /** - * Compares two colors and returns true if they represent the same color value and - * use the same color space. - */ - friend bool operator == (const CharacterColor& a, const CharacterColor& b); - /** - * Compares two colors and returns true if they represent different color values - * or use different color spaces. - */ - friend bool operator != (const CharacterColor& a, const CharacterColor& b); - -private: - quint8 _colorSpace; - - // bytes storing the character color - quint8 _u; - quint8 _v; - quint8 _w; -}; - -inline bool operator == (const CharacterColor& a, const CharacterColor& b) -{ - return *reinterpret_cast<const quint32*>(&a._colorSpace) == - *reinterpret_cast<const quint32*>(&b._colorSpace); -} - -inline bool operator != (const CharacterColor& a, const CharacterColor& b) -{ - return *reinterpret_cast<const quint32*>(&a._colorSpace) != - *reinterpret_cast<const quint32*>(&b._colorSpace); -} - -inline const QColor color256(quint8 u, const ColorEntry* base) -{ - // 0.. 16: system colors - if (u < 8) return base[u+2 ].color; u -= 8; - if (u < 8) return base[u+2+BASE_COLORS].color; u -= 8; - - // 16..231: 6x6x6 rgb color cube - if (u < 216) return QColor(255*((u/36)%6)/5, - 255*((u/ 6)%6)/5, - 255*((u/ 1)%6)/5); u -= 216; - - // 232..255: gray, leaving out black and white - int gray = u*10+8; return QColor(gray,gray,gray); -} - -inline QColor CharacterColor::color(const ColorEntry* base) const -{ - switch (_colorSpace) - { - case COLOR_SPACE_DEFAULT: return base[_u+0+(_v?BASE_COLORS:0)].color; - case COLOR_SPACE_SYSTEM: return base[_u+2+(_v?BASE_COLORS:0)].color; - case COLOR_SPACE_256: return color256(_u,base); - case COLOR_SPACE_RGB: return QColor(_u,_v,_w); - case COLOR_SPACE_UNDEFINED: return QColor(); - } - - Q_ASSERT(false); // invalid color space - - return QColor(); -} - -inline void CharacterColor::toggleIntensive() -{ - if (_colorSpace == COLOR_SPACE_SYSTEM || _colorSpace == COLOR_SPACE_DEFAULT) - { - _v = !_v; - } -} - - -} - -#endif // CHARACTERCOLOR_H - |