scintilla/src/Style.cxx

   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 <stdexcept>
   9 #include <string_view>
  10 #include <vector>
  11 #include <optional>
  12 #include <memory>
  13
  14 #include "ScintillaTypes.h"
  15
  16 #include "Debugging.h"
  17 #include "Geometry.h"
  18 #include "Platform.h"
  19
  20 #include "Style.h"
  21
  22 using namespace Scintilla;
  23 using namespace Scintilla::Internal;
  24
  25 bool FontSpecification::operator==(const FontSpecification &other) const noexcept {
  26         return fontName == other.fontName &&
  27                weight == other.weight &&
  28                italic == other.italic &&
  29                size == other.size &&
  30                characterSet == other.characterSet &&
  31                extraFontFlag == other.extraFontFlag &&
  32                checkMonospaced == other.checkMonospaced;
  33 }
  34
  35 bool FontSpecification::operator<(const FontSpecification &other) const noexcept {
  36         if (fontName != other.fontName)
  37                 return fontName < other.fontName;
  38         if (weight != other.weight)
  39                 return weight < other.weight;
  40         if (italic != other.italic)
  41                 return !italic;
  42         if (size != other.size)
  43                 return size < other.size;
  44         if (characterSet != other.characterSet)
  45                 return characterSet < other.characterSet;
  46         if (extraFontFlag != other.extraFontFlag)
  47                 return extraFontFlag < other.extraFontFlag;
  48         if (checkMonospaced != other.checkMonospaced)
  49                 return checkMonospaced < other.checkMonospaced;
  50         return false;
  51 }
  52
  53 namespace {
  54
  55 // noexcept Platform::DefaultFontSize
  56 int DefaultFontSize() noexcept {
  57         try {
  58                 return Platform::DefaultFontSize();
  59         } catch (...) {
  60                 return 10;
  61         }
  62 }
  63
  64 }
  65
  66 Style::Style(const char *fontName_) noexcept :
  67         FontSpecification(fontName_, DefaultFontSize() * FontSizeMultiplier),
  68         fore(0,0,0),
  69         back(0xff, 0xff, 0xff),
  70         eolFilled(false),
  71         underline(false),
  72         caseForce(CaseForce::mixed),
  73         visible(true),
  74         changeable(true),
  75         hotspot(false),
  76         invisibleRepresentation{} {
  77 }
  78
  79 void Style::Copy(std::shared_ptr<Font> font_, const FontMeasurements &fm_) noexcept {
  80         font = std::move(font_);
  81         (FontMeasurements &)(*this) = fm_;
  82 }