1 // Scintilla source code edit control
2 /** @file Style.cxx
3 ** Defines the font and colour style for a class of text.
4 **/
5 // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
6 // The License.txt file describes the conditions under which this software may be distributed.
7
8 #include <string.h>
9
10 #include "Platform.h"
11
12 #include "Scintilla.h"
13 #include "Style.h"
14
15 #ifdef SCI_NAMESPACE
16 using namespace Scintilla;
17 #endif
18
FontAlias()19 FontAlias::FontAlias() {
20 }
21
~FontAlias()22 FontAlias::~FontAlias() {
23 SetID(0);
24 // ~Font will not release the actual font resource sine it is now 0
25 }
26
MakeAlias(Font & fontOrigin)27 void FontAlias::MakeAlias(Font &fontOrigin) {
28 SetID(fontOrigin.GetID());
29 }
30
ClearFont()31 void FontAlias::ClearFont() {
32 SetID(0);
33 }
34
EqualTo(const FontSpecification & other) const35 bool FontSpecification::EqualTo(const FontSpecification &other) const {
36 return weight == other.weight &&
37 italic == other.italic &&
38 size == other.size &&
39 characterSet == other.characterSet &&
40 fontName == other.fontName;
41 }
42
FontMeasurements()43 FontMeasurements::FontMeasurements() {
44 Clear();
45 }
46
Clear()47 void FontMeasurements::Clear() {
48 ascent = 1;
49 descent = 1;
50 aveCharWidth = 1;
51 spaceWidth = 1;
52 sizeZoomed = 2;
53 }
54
Style()55 Style::Style() : FontSpecification() {
56 Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
57 Platform::DefaultFontSize() * SC_FONT_SIZE_MULTIPLIER, 0, SC_CHARSET_DEFAULT,
58 SC_WEIGHT_NORMAL, false, false, false, caseMixed, true, true, false);
59 }
60
Style(const Style & source)61 Style::Style(const Style &source) : FontSpecification(), FontMeasurements() {
62 Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
63 0, 0, 0,
64 SC_WEIGHT_NORMAL, false, false, false, caseMixed, true, true, false);
65 fore = source.fore;
66 back = source.back;
67 characterSet = source.characterSet;
68 weight = source.weight;
69 italic = source.italic;
70 size = source.size;
71 eolFilled = source.eolFilled;
72 underline = source.underline;
73 caseForce = source.caseForce;
74 visible = source.visible;
75 changeable = source.changeable;
76 hotspot = source.hotspot;
77 }
78
~Style()79 Style::~Style() {
80 }
81
operator =(const Style & source)82 Style &Style::operator=(const Style &source) {
83 if (this == &source)
84 return * this;
85 Clear(ColourDesired(0, 0, 0), ColourDesired(0xff, 0xff, 0xff),
86 0, 0, SC_CHARSET_DEFAULT,
87 SC_WEIGHT_NORMAL, false, false, false, caseMixed, true, true, false);
88 fore = source.fore;
89 back = source.back;
90 characterSet = source.characterSet;
91 weight = source.weight;
92 italic = source.italic;
93 size = source.size;
94 eolFilled = source.eolFilled;
95 underline = source.underline;
96 caseForce = source.caseForce;
97 visible = source.visible;
98 changeable = source.changeable;
99 return *this;
100 }
101
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_)102 void Style::Clear(ColourDesired fore_, ColourDesired back_, int size_,
103 const char *fontName_, int characterSet_,
104 int weight_, bool italic_, bool eolFilled_,
105 bool underline_, ecaseForced caseForce_,
106 bool visible_, bool changeable_, bool hotspot_) {
107 fore = fore_;
108 back = back_;
109 characterSet = characterSet_;
110 weight = weight_;
111 italic = italic_;
112 size = size_;
113 fontName = fontName_;
114 eolFilled = eolFilled_;
115 underline = underline_;
116 caseForce = caseForce_;
117 visible = visible_;
118 changeable = changeable_;
119 hotspot = hotspot_;
120 font.ClearFont();
121 FontMeasurements::Clear();
122 }
123
ClearTo(const Style & source)124 void Style::ClearTo(const Style &source) {
125 Clear(
126 source.fore,
127 source.back,
128 source.size,
129 source.fontName,
130 source.characterSet,
131 source.weight,
132 source.italic,
133 source.eolFilled,
134 source.underline,
135 source.caseForce,
136 source.visible,
137 source.changeable,
138 source.hotspot);
139 }
140
Copy(Font & font_,const FontMeasurements & fm_)141 void Style::Copy(Font &font_, const FontMeasurements &fm_) {
142 font.MakeAlias(font_);
143 #if PLAT_WX
144 font.SetAscent(fm_.ascent);
145 #endif
146 (FontMeasurements &)(*this) = fm_;
147 }
148