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150 lines
3.8 KiB
150 lines
3.8 KiB
// Scintilla source code edit control
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/** @file Style.cxx
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** Defines the font and colour style for a class of text.
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**/
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// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <string.h>
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#include "Platform.h"
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#include "Scintilla.h"
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#include "Style.h"
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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FontAlias::FontAlias() {
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}
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FontAlias::~FontAlias() {
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SetID(0);
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// ~Font will not release the actual font resource sine it is now 0
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}
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void FontAlias::MakeAlias(Font &fontOrigin) {
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SetID(fontOrigin.GetID());
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}
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void FontAlias::ClearFont() {
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SetID(0);
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}
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bool FontSpecification::EqualTo(const FontSpecification &other) const {
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return bold == other.bold &&
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italic == other.italic &&
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size == other.size &&
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characterSet == other.characterSet &&
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fontName == other.fontName;
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}
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FontMeasurements::FontMeasurements() {
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Clear();
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}
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void FontMeasurements::Clear() {
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lineHeight = 2;
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ascent = 1;
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descent = 1;
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externalLeading = 0;
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aveCharWidth = 1;
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spaceWidth = 1;
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sizeZoomed = 2;
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}
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Style::Style() : FontSpecification() {
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Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
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Platform::DefaultFontSize(), 0, SC_CHARSET_DEFAULT,
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false, false, false, false, caseMixed, true, true, false);
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}
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Style::Style(const Style &source) : FontSpecification(), FontMeasurements() {
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Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
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0, 0, 0,
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false, false, false, false, caseMixed, true, true, false);
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fore.desired = source.fore.desired;
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back.desired = source.back.desired;
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characterSet = source.characterSet;
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bold = source.bold;
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italic = source.italic;
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size = source.size;
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eolFilled = source.eolFilled;
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underline = source.underline;
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caseForce = source.caseForce;
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visible = source.visible;
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changeable = source.changeable;
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hotspot = source.hotspot;
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}
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Style::~Style() {
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}
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Style &Style::operator=(const Style &source) {
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if (this == &source)
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return * this;
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Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
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0, 0, SC_CHARSET_DEFAULT,
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false, false, false, false, caseMixed, true, true, false);
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fore.desired = source.fore.desired;
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back.desired = source.back.desired;
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characterSet = source.characterSet;
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bold = source.bold;
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italic = source.italic;
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size = source.size;
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eolFilled = source.eolFilled;
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underline = source.underline;
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caseForce = source.caseForce;
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visible = source.visible;
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changeable = source.changeable;
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return *this;
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}
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void Style::Clear(ColourDesired fore_, ColourDesired back_, int size_,
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const char *fontName_, int characterSet_,
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bool bold_, bool italic_, bool eolFilled_,
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bool underline_, ecaseForced caseForce_,
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bool visible_, bool changeable_, bool hotspot_) {
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fore.desired = fore_;
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back.desired = back_;
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characterSet = characterSet_;
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bold = bold_;
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italic = italic_;
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size = size_;
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fontName = fontName_;
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eolFilled = eolFilled_;
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underline = underline_;
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caseForce = caseForce_;
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visible = visible_;
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changeable = changeable_;
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hotspot = hotspot_;
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font.ClearFont();
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FontMeasurements::Clear();
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}
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void Style::ClearTo(const Style &source) {
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Clear(
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source.fore.desired,
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source.back.desired,
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source.size,
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source.fontName,
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source.characterSet,
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source.bold,
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source.italic,
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source.eolFilled,
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source.underline,
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source.caseForce,
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source.visible,
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source.changeable,
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source.hotspot);
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}
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void Style::Copy(Font &font_, const FontMeasurements &fm_) {
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font.MakeAlias(font_);
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#if PLAT_WX
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font.SetAscent(fm_.ascent);
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#endif
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(FontMeasurements &)(*this) = fm_;
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}
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