first commit

Version 3.x.x

third-party/scintilla/Style.cxx

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