diff options
Diffstat (limited to 'src/Style.cxx')
| -rw-r--r-- | src/Style.cxx | 201 |
1 files changed, 101 insertions, 100 deletions
diff --git a/src/Style.cxx b/src/Style.cxx index 3faca473f..42f9dea78 100644 --- a/src/Style.cxx +++ b/src/Style.cxx @@ -1,100 +1,101 @@ -// Scintilla source code edit control -// Style.cxx - defines the font and colour style for a class of text -// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org> -// The License.txt file describes the conditions under which this software may be distributed. - -#include <string.h> - -#include "Platform.h" - -#include "Style.h" - -Style::Style() { - aliasOfDefaultFont = true; - Clear(Colour(0,0,0), Colour(0xff,0xff,0xff), - Platform::DefaultFontSize(), 0, - false, false, false); -} - -Style::~Style() { - if (aliasOfDefaultFont) - font.SetID(0); - else - font.Release(); - aliasOfDefaultFont = false; -} - -Style &Style::operator=(const Style &source) { - if (this == &source) - return *this; - Clear(Colour(0,0,0), Colour(0xff,0xff,0xff), - 0, 0, - false, false, false); - fore.desired = source.fore.desired; - back.desired = source.back.desired; - bold = source.bold; - italic = source.italic; - size = source.size; - eolFilled = source.eolFilled; - return *this; -} - -void Style::Clear(Colour fore_, Colour back_, int size_, const char *fontName_, - bool bold_, bool italic_, bool eolFilled_) { - fore.desired = fore_; - back.desired = back_; - bold = bold_; - italic = italic_; - size = size_; - fontName = fontName_; - eolFilled = eolFilled_; - if (aliasOfDefaultFont) - font.SetID(0); - else - font.Release(); - aliasOfDefaultFont = false; -} - -bool Style::EquivalentFontTo(const Style *other) const { - if (bold != other->bold || - italic != other->italic || - size != other->size) - return false; - if (fontName == other->fontName) - return true; - if (!fontName) - return false; - if (!other->fontName) - return false; - return strcmp(fontName, other->fontName) == 0; -} - -void Style::Realise(Surface &surface, int zoomLevel, Style *defaultStyle) { - int sizeZoomed = size + zoomLevel; - if (sizeZoomed <= 2) // Hangs if sizeZoomed <= 1 - sizeZoomed = 2; - - if (aliasOfDefaultFont) - font.SetID(0); - else - font.Release(); - int deviceHeight = (sizeZoomed * surface.LogPixelsY()) / 72; - aliasOfDefaultFont = defaultStyle && EquivalentFontTo(defaultStyle); - if (aliasOfDefaultFont) { - font.SetID(defaultStyle->font.GetID()); - } else if (fontName) { - font.Create(fontName, deviceHeight, bold, italic); - } else { - font.SetID(0); - } - - ascent = surface.Ascent(font); - descent = surface.Descent(font); - // Probably more typographically correct to include leading - // but that means more complex drawing as leading must be erased - //lineHeight = surface.ExternalLeading() + surface.Height(); - externalLeading = surface.ExternalLeading(font); - lineHeight = surface.Height(font); - aveCharWidth = surface.AverageCharWidth(font); - spaceWidth = surface.WidthChar(font, ' '); -} +// Scintilla source code edit control
+// Style.cxx - defines the font and colour style for a class of text
+// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+#include <string.h>
+
+#include "Platform.h"
+
+#include "Style.h"
+
+Style::Style() {
+ aliasOfDefaultFont = true;
+ Clear(Colour(0,0,0), Colour(0xff,0xff,0xff),
+ Platform::DefaultFontSize(), 0,
+ false, false, false);
+}
+
+Style::~Style() {
+ if (aliasOfDefaultFont)
+ font.SetID(0);
+ else
+ font.Release();
+ aliasOfDefaultFont = false;
+}
+
+Style &Style::operator=(const Style &source) {
+ if (this == &source)
+ return *this;
+ Clear(Colour(0,0,0), Colour(0xff,0xff,0xff),
+ 0, 0,
+ false, false, false);
+ fore.desired = source.fore.desired;
+ back.desired = source.back.desired;
+ bold = source.bold;
+ italic = source.italic;
+ size = source.size;
+ eolFilled = source.eolFilled;
+ return *this;
+}
+
+void Style::Clear(Colour fore_, Colour back_, int size_, const char *fontName_,
+ bool bold_, bool italic_, bool eolFilled_) {
+ fore.desired = fore_;
+ back.desired = back_;
+ bold = bold_;
+ italic = italic_;
+ size = size_;
+ fontName = fontName_;
+ eolFilled = eolFilled_;
+ if (aliasOfDefaultFont)
+ font.SetID(0);
+ else
+ font.Release();
+ aliasOfDefaultFont = false;
+}
+
+bool Style::EquivalentFontTo(const Style *other) const {
+ if (bold != other->bold ||
+ italic != other->italic ||
+ size != other->size)
+ return false;
+ if (fontName == other->fontName)
+ return true;
+ if (!fontName)
+ return false;
+ if (!other->fontName)
+ return false;
+ return strcmp(fontName, other->fontName) == 0;
+}
+
+void Style::Realise(Surface &surface, int zoomLevel, Style *defaultStyle) {
+ int sizeZoomed = size + zoomLevel;
+ if (sizeZoomed <= 2) // Hangs if sizeZoomed <= 1
+ sizeZoomed = 2;
+
+ if (aliasOfDefaultFont)
+ font.SetID(0);
+ else
+ font.Release();
+ int deviceHeight = (sizeZoomed * surface.LogPixelsY()) / 72;
+ aliasOfDefaultFont = defaultStyle &&
+ (EquivalentFontTo(defaultStyle) || !fontName);
+ if (aliasOfDefaultFont) {
+ font.SetID(defaultStyle->font.GetID());
+ } else if (fontName) {
+ font.Create(fontName, deviceHeight, bold, italic);
+ } else {
+ font.SetID(0);
+ }
+
+ ascent = surface.Ascent(font);
+ descent = surface.Descent(font);
+ // Probably more typographically correct to include leading
+ // but that means more complex drawing as leading must be erased
+ //lineHeight = surface.ExternalLeading() + surface.Height();
+ externalLeading = surface.ExternalLeading(font);
+ lineHeight = surface.Height(font);
+ aveCharWidth = surface.AverageCharWidth(font);
+ spaceWidth = surface.WidthChar(font, ' ');
+}
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