float Font::width(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
{
CodePath codePathToUse = codePath(run);
if (codePathToUse != ComplexPath) {
// The complex path is more restrictive about returning fallback fonts than the simple path, so we need an explicit test to make their behaviors match.
if (!FontPlatformFeatures::canReturnFallbackFontsForComplexText())
fallbackFonts = 0;
// The simple path can optimize the case where glyph overflow is not observable.
if (codePathToUse != SimpleWithGlyphOverflowPath && (glyphOverflow && !glyphOverflow->computeBounds))
glyphOverflow = 0;
}
bool hasKerningOrLigatures = fontDescription().typesettingFeatures() & (Kerning | Ligatures);
bool hasWordSpacingOrLetterSpacing = fontDescription().wordSpacing() || fontDescription().letterSpacing();
float* cacheEntry = m_fontFallbackList->widthCache().add(run, std::numeric_limits<float>::quiet_NaN(), hasKerningOrLigatures, hasWordSpacingOrLetterSpacing, glyphOverflow);
if (cacheEntry && !std::isnan(*cacheEntry))
return *cacheEntry;
float result;
if (codePathToUse == ComplexPath)
result = floatWidthForComplexText(run, fallbackFonts, glyphOverflow);
else
result = floatWidthForSimpleText(run, fallbackFonts, glyphOverflow);
if (cacheEntry && (!fallbackFonts || fallbackFonts->isEmpty()))
*cacheEntry = result;
return result;
}
void RenderSVGInlineText::computeNewScaledFontForStyle(RenderObject* renderer, const RenderStyle* style, float& scalingFactor, Font& scaledFont)
{
ASSERT(style);
ASSERT(renderer);
Document* document = renderer->document();
ASSERT(document);
StyleResolver* styleResolver = document->styleResolver();
ASSERT(styleResolver);
// Alter font-size to the right on-screen value to avoid scaling the glyphs themselves, except when GeometricPrecision is specified
scalingFactor = SVGRenderingContext::calculateScreenFontSizeScalingFactor(renderer);
if (scalingFactor == 1 || !scalingFactor || style->fontDescription().textRenderingMode() == GeometricPrecision) {
scalingFactor = 1;
scaledFont = style->font();
return;
}
FontDescription fontDescription(style->fontDescription());
// FIXME: We need to better handle the case when we compute very small fonts below (below 1pt).
fontDescription.setComputedSize(StyleResolver::getComputedSizeFromSpecifiedSize(document, scalingFactor, fontDescription.isAbsoluteSize(), fontDescription.computedSize(), DoNotUseSmartMinimumForFontSize));
scaledFont = Font(fontDescription, 0, 0);
scaledFont.update(styleResolver->fontSelector());
}
void LayoutSVGInlineText::computeNewScaledFontForStyle(LayoutObject* layoutObject, const ComputedStyle* style, float& scalingFactor, Font& scaledFont)
{
ASSERT(style);
ASSERT(layoutObject);
// Alter font-size to the right on-screen value to avoid scaling the glyphs themselves, except when GeometricPrecision is specified.
scalingFactor = SVGLayoutSupport::calculateScreenFontSizeScalingFactor(layoutObject);
if (style->effectiveZoom() == 1 && (scalingFactor == 1 || !scalingFactor)) {
scalingFactor = 1;
scaledFont = style->font();
return;
}
if (style->fontDescription().textRendering() == GeometricPrecision)
scalingFactor = 1;
FontDescription fontDescription(style->fontDescription());
Document& document = layoutObject->document();
// FIXME: We need to better handle the case when we compute very small fonts below (below 1pt).
fontDescription.setComputedSize(FontSize::getComputedSizeFromSpecifiedSize(&document, scalingFactor, fontDescription.isAbsoluteSize(), fontDescription.specifiedSize(), DoNotUseSmartMinimumForFontSize));
scaledFont = Font(fontDescription);
scaledFont.update(document.styleEngine().fontSelector());
}
int Font::offsetForPosition(const TextRun& run, float x, bool includePartialGlyphs) const
{
// FIXME: Use the fast code path once it handles partial runs with kerning and ligatures. See http://webkit.org/b/100050
if (codePath(run) != ComplexPath && !fontDescription().typesettingFeatures())
return offsetForPositionForSimpleText(run, x, includePartialGlyphs);
return offsetForPositionForComplexText(run, x, includePartialGlyphs);
}
void floatWidthMissingGlyphCallback(const TextRun& run, SVGTextRunWalkerMeasuredLengthData& data)
{
// Handle system font fallback
FontDescription fontDescription(data.font->fontDescription());
fontDescription.setFamily(FontFamily());
Font font(fontDescription, 0, 0); // spacing handled by SVG text code.
font.update(data.font->fontSelector());
data.length += font.floatWidth(run);
}
Font::Font(const FontPlatformData& fontData, bool isPrinterFont, FontSmoothingMode fontSmoothingMode)
: m_fontList(FontFallbackList::create())
, m_letterSpacing(0)
, m_wordSpacing(0)
, m_isPlatformFont(true)
{
m_fontDescription.setUsePrinterFont(isPrinterFont);
m_fontDescription.setFontSmoothing(fontSmoothingMode);
m_needsTranscoding = fontTranscoder().needsTranscoding(fontDescription());
m_fontList->setPlatformFont(fontData);
}
FloatRect Font::selectionRectForText(const TextRun& run, const FloatPoint& point, int h, int from, int to) const
{
to = (to == -1 ? run.length() : to);
CodePath codePathToUse = codePath(run);
// FIXME: Use the fast code path once it handles partial runs with kerning and ligatures. See http://webkit.org/b/100050
if (codePathToUse != ComplexPath && fontDescription().typesettingFeatures() && (from || to != run.length()))
codePathToUse = ComplexPath;
if (codePathToUse != ComplexPath)
return selectionRectForSimpleText(run, point, h, from, to);
return selectionRectForComplexText(run, point, h, from, to);
}
void Font::drawEmphasisMarks(GraphicsContext* context, const TextRunPaintInfo& runInfo, const AtomicString& mark, const FloatPoint& point) const
{
if (loadingCustomFonts())
return;
CodePath codePathToUse = codePath(runInfo.run);
// FIXME: Use the fast code path once it handles partial runs with kerning and ligatures. See http://webkit.org/b/100050
if (codePathToUse != ComplexPath && fontDescription().typesettingFeatures() && (runInfo.from || runInfo.to != runInfo.run.length()))
codePathToUse = ComplexPath;
if (codePathToUse != ComplexPath)
drawEmphasisMarksForSimpleText(context, runInfo, mark, point);
else
drawEmphasisMarksForComplexText(context, runInfo, mark, point);
}
float Font::floatWidthForSimpleText(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
{
WidthIterator it(this, run, fallbackFonts, glyphOverflow);
GlyphBuffer glyphBuffer;
it.advance(run.length(), (fontDescription().typesettingFeatures() & (Kerning | Ligatures)) ? &glyphBuffer : 0);
if (glyphOverflow) {
glyphOverflow->top = max<int>(glyphOverflow->top, ceilf(-it.minGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().ascent()));
glyphOverflow->bottom = max<int>(glyphOverflow->bottom, ceilf(it.maxGlyphBoundingBoxY()) - (glyphOverflow->computeBounds ? 0 : fontMetrics().descent()));
glyphOverflow->left = ceilf(it.firstGlyphOverflow());
glyphOverflow->right = ceilf(it.lastGlyphOverflow());
}
return it.m_runWidthSoFar;
}
void Font::drawText(GraphicsContext* context, const TextRunPaintInfo& runInfo, const FloatPoint& point, CustomFontNotReadyAction customFontNotReadyAction) const
{
// Don't draw anything while we are using custom fonts that are in the process of loading,
// except if the 'force' argument is set to true (in which case it will use a fallback
// font).
if (loadingCustomFonts() && customFontNotReadyAction == DoNotPaintIfFontNotReady)
return;
CodePath codePathToUse = codePath(runInfo.run);
// FIXME: Use the fast code path once it handles partial runs with kerning and ligatures. See http://webkit.org/b/100050
if (codePathToUse != ComplexPath && fontDescription().typesettingFeatures() && (runInfo.from || runInfo.to != runInfo.run.length()))
codePathToUse = ComplexPath;
if (codePathToUse != ComplexPath)
return drawSimpleText(context, runInfo, point);
return drawComplexText(context, runInfo, point);
}
void RenderSVGInlineText::computeNewScaledFontForStyle(const RenderObject& renderer, const RenderStyle& style, float& scalingFactor, FontCascade& scaledFont)
{
// Alter font-size to the right on-screen value to avoid scaling the glyphs themselves, except when GeometricPrecision is specified
scalingFactor = SVGRenderingContext::calculateScreenFontSizeScalingFactor(renderer);
if (scalingFactor == 1 || !scalingFactor || style.fontDescription().textRenderingMode() == GeometricPrecision) {
scalingFactor = 1;
scaledFont = style.fontCascade();
return;
}
FontDescription fontDescription(style.fontDescription());
// FIXME: We need to better handle the case when we compute very small fonts below (below 1pt).
fontDescription.setComputedSize(Style::computedFontSizeFromSpecifiedSizeForSVGInlineText(fontDescription.computedSize(), fontDescription.isAbsoluteSize(), scalingFactor, renderer.document()));
scaledFont = FontCascade(fontDescription, 0, 0);
scaledFont.update(&renderer.document().fontSelector());
}
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
String familyName;
WCHAR name[LF_FACESIZE];
UChar character = characters[0];
const FontPlatformData& origFont = font.primaryFont()->fontDataForCharacter(character)->platformData();
unsigned unicodeRange = findCharUnicodeRange(character);
#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
if (IMLangFontLink2* langFontLink = getFontLinkInterface()) {
#else
if (IMLangFontLink* langFontLink = getFontLinkInterface()) {
#endif
HGDIOBJ oldFont = GetCurrentObject(g_screenDC, OBJ_FONT);
HFONT hfont = 0;
DWORD codePages = 0;
UINT codePage = 0;
// Try MLang font linking first.
langFontLink->GetCharCodePages(character, &codePages);
if (codePages && unicodeRange == cRangeSetCJK) {
// The CJK character may belong to multiple code pages. We want to
// do font linking against a single one of them, preferring the default
// code page for the user's locale.
const Vector<DWORD, 4>& CJKCodePageMasks = getCJKCodePageMasks();
unsigned numCodePages = CJKCodePageMasks.size();
for (unsigned i = 0; i < numCodePages; ++i) {
#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
hfont = createMLangFont(langFontLink, g_screenDC, CJKCodePageMasks[i]);
#else
hfont = createMLangFont(langFontLink, g_screenDC, origFont, CJKCodePageMasks[i]);
#endif
if (!hfont)
continue;
SelectObject(g_screenDC, hfont);
GetTextFace(g_screenDC, LF_FACESIZE, name);
if (hfont && !(codePages & CJKCodePageMasks[i])) {
// We asked about a code page that is not one of the code pages
// returned by MLang, so the font might not contain the character.
#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
if (!currentFontContainsCharacter(langFontLink, g_screenDC, character)) {
#else
if (!currentFontContainsCharacter(langFontLink, g_screenDC, hfont, character, name)) {
#endif
SelectObject(g_screenDC, oldFont);
langFontLink->ReleaseFont(hfont);
hfont = 0;
continue;
}
}
break;
}
} else {
#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
hfont = createMLangFont(langFontLink, g_screenDC, codePages, character);
#else
hfont = createMLangFont(langFontLink, g_screenDC, origFont, codePages);
#endif
SelectObject(g_screenDC, hfont);
GetTextFace(g_screenDC, LF_FACESIZE, name);
}
SelectObject(g_screenDC, oldFont);
if (hfont) {
familyName = name;
langFontLink->ReleaseFont(hfont);
} else
FontPlatformData::mapKnownFont(codePages, familyName);
}
if (familyName.isEmpty())
familyName = FontPlatformData::defaultFontFamily();
if (!familyName.isEmpty()) {
// FIXME: temporary workaround for Thai font problem
FontDescription fontDescription(font.fontDescription());
if (unicodeRange == cRangeThai && fontDescription.weight() > FontWeightNormal)
fontDescription.setWeight(FontWeightNormal);
FontPlatformData* result = getCachedFontPlatformData(fontDescription, familyName);
if (result && result->hash() != origFont.hash()) {
if (SimpleFontData* fontData = getCachedFontData(result, DoNotRetain))
return fontData;
}
}
return 0;
}
void QtUiStyle::generateSettingsQss() const {
QFile settingsQss(Quassel::configDirPath() + "settings.qss");
if(!settingsQss.open(QFile::WriteOnly|QFile::Truncate)) {
qWarning() << "Could not open" << settingsQss.fileName() << "for writing!";
return;
}
QTextStream out(&settingsQss);
out << "// Style settings made in Quassel's configuration dialog\n"
<< "// This file is automatically generated, do not edit\n";
// ChatView
///////////
QtUiStyleSettings fs("Fonts");
if(fs.value("UseCustomChatViewFont").toBool())
out << "\n// ChatView Font\n"
<< "ChatLine { " << fontDescription(fs.value("ChatView").value<QFont>()) << "; }\n";
QtUiStyleSettings s("Colors");
if(s.value("UseChatViewColors").toBool()) {
out << "\n// Custom ChatView Colors\n"
// markerline is special in that it always used to use a gradient, so we keep this behavior even with the new implementation
<< "Palette { marker-line: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 " << color("MarkerLine", s) << ", stop: 0.1 transparent); }\n"
<< "ChatView { background: " << color("ChatViewBackground", s) << "; }\n\n"
<< "ChatLine[label=\"highlight\"] {\n"
<< " foreground: " << color("Highlight",s) << ";\n"
<< " background: " << color("HighlightBackground", s) << ";\n"
<< "}\n\n"
<< "ChatLine::timestamp { foreground: " << color("Timestamp", s) << "; }\n\n"
<< msgTypeQss("plain", "ChannelMsg", s)
<< msgTypeQss("notice", "ServerMsg", s)
<< msgTypeQss("action", "ActionMsg", s)
<< msgTypeQss("nick", "CommandMsg", s)
<< msgTypeQss("mode", "CommandMsg", s)
<< msgTypeQss("join", "CommandMsg", s)
<< msgTypeQss("part", "CommandMsg", s)
<< msgTypeQss("quit", "CommandMsg", s)
<< msgTypeQss("kick", "CommandMsg", s)
<< msgTypeQss("kill", "CommandMsg", s)
<< msgTypeQss("server", "ServerMsg", s)
<< msgTypeQss("info", "ServerMsg", s)
<< msgTypeQss("error", "ErrorMsg", s)
<< msgTypeQss("daychange", "ServerMsg", s)
<< msgTypeQss("topic", "CommandMsg", s)
<< msgTypeQss("netsplit-join", "CommandMsg", s)
<< msgTypeQss("netsplit-quit", "CommandMsg", s)
<< msgTypeQss("invite", "CommandMsg", s)
<< "\n";
}
if(s.value("UseSenderColors").toBool()) {
out << "\n// Sender Colors\n"
<< "ChatLine::sender#plain[sender=\"self\"] { foreground: " << color("SenderSelf", s) << "; }\n\n";
for(int i = 0; i < 16; i++)
out << senderQss(i, s);
}
// ItemViews
////////////
UiStyleSettings uiFonts("Fonts");
if(uiFonts.value("UseCustomItemViewFont").toBool()) {
QString fontDesc = fontDescription(uiFonts.value("ItemView").value<QFont>());
out << "\n// ItemView Font\n"
<< "ChatListItem { " << fontDesc << "; }\n"
<< "NickListItem { " << fontDesc << "; }\n\n";
}
UiStyleSettings uiColors("Colors");
if(uiColors.value("UseBufferViewColors").toBool()) {
out << "\n// BufferView Colors\n"
<< "ChatListItem { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
<< chatListItemQss("inactive", "InactiveBuffer", uiColors)
<< chatListItemQss("channel-event", "ActiveBuffer", uiColors)
<< chatListItemQss("unread-message", "UnreadBuffer", uiColors)
<< chatListItemQss("highlighted", "HighlightedBuffer", uiColors);
}
if(uiColors.value("UseNickViewColors").toBool()) {
out << "\n// NickView Colors\n"
<< "NickListItem[type=\"category\"] { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
<< "NickListItem[type=\"user\"] { foreground: " << color("OnlineNick", uiColors) << "; }\n"
<< "NickListItem[type=\"user\", state=\"away\"] { foreground: " << color("AwayNick", uiColors) << "; }\n";
}
settingsQss.close();
}
// TODO: This needs to be split into helper functions to better scope the
// inputs/outputs, and reduce duplicate code.
// This issue is tracked in https://bugs.webkit.org/show_bug.cgi?id=62989
void Font::drawGlyphs(GraphicsContext* gc, const SimpleFontData* font,
const GlyphBuffer& glyphBuffer, int from, int numGlyphs,
const FloatPoint& point) const {
COMPILE_ASSERT(sizeof(GlyphBufferGlyph) == sizeof(uint16_t), GlyphBufferGlyphSize_equals_uint16_t);
bool shouldSmoothFonts = true;
bool shouldAntialias = true;
switch (fontDescription().fontSmoothing()) {
case Antialiased:
shouldSmoothFonts = false;
break;
case SubpixelAntialiased:
break;
case NoSmoothing:
shouldAntialias = false;
shouldSmoothFonts = false;
break;
case AutoSmoothing:
// For the AutoSmooth case, don't do anything! Keep the default settings.
break;
}
if (!shouldUseSmoothing() || PlatformSupport::layoutTestMode())
shouldSmoothFonts = false;
const GlyphBufferGlyph* glyphs = glyphBuffer.glyphs(from);
SkScalar x = SkFloatToScalar(point.x());
SkScalar y = SkFloatToScalar(point.y());
if (font->platformData().orientation() == Vertical)
y += SkFloatToScalar(font->fontMetrics().floatAscent(IdeographicBaseline) - font->fontMetrics().floatAscent());
// FIXME: text rendering speed:
// Android has code in their WebCore fork to special case when the
// GlyphBuffer has no advances other than the defaults. In that case the
// text drawing can proceed faster. However, it's unclear when those
// patches may be upstreamed to WebKit so we always use the slower path
// here.
const GlyphBufferAdvance* adv = glyphBuffer.advances(from);
SkAutoSTMalloc<32, SkPoint> storage(numGlyphs);
SkPoint* pos = storage.get();
for (int i = 0; i < numGlyphs; i++) {
pos[i].set(x, y);
x += SkFloatToScalar(adv[i].width);
y += SkFloatToScalar(adv[i].height);
}
SkCanvas* canvas = gc->platformContext()->canvas();
if (font->platformData().orientation() == Vertical) {
canvas->save();
canvas->rotate(-90);
SkMatrix rotator;
rotator.reset();
rotator.setRotate(90);
rotator.mapPoints(pos, numGlyphs);
}
TextDrawingModeFlags textMode = gc->platformContext()->getTextDrawingMode();
// We draw text up to two times (once for fill, once for stroke).
if (textMode & TextModeFill) {
SkPaint paint;
gc->platformContext()->setupPaintForFilling(&paint);
setupPaint(&paint, font, this, shouldAntialias, shouldSmoothFonts);
gc->platformContext()->adjustTextRenderMode(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
canvas->drawPosText(glyphs, numGlyphs * sizeof(uint16_t), pos, paint);
}
if ((textMode & TextModeStroke)
&& gc->platformContext()->getStrokeStyle() != NoStroke
&& gc->platformContext()->getStrokeThickness() > 0) {
SkPaint paint;
gc->platformContext()->setupPaintForStroking(&paint, 0, 0);
setupPaint(&paint, font, this, shouldAntialias, shouldSmoothFonts);
gc->platformContext()->adjustTextRenderMode(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
if (textMode & TextModeFill) {
// If we also filled, we don't want to draw shadows twice.
// See comment in FontChromiumWin.cpp::paintSkiaText() for more details.
paint.setLooper(0);
}
canvas->drawPosText(glyphs, numGlyphs * sizeof(uint16_t), pos, paint);
}
if (font->platformData().orientation() == Vertical)
canvas->restore();
}
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font, const GlyphBuffer& glyphBuffer,
int from, int numGlyphs, const FloatPoint& point) const
{
CGContextRef cgContext = graphicsContext->platformContext();
bool shouldUseFontSmoothing = WebCoreShouldUseFontSmoothing();
switch(fontDescription().fontSmoothing()) {
case Antialiased: {
graphicsContext->setShouldAntialias(true);
shouldUseFontSmoothing = false;
break;
}
case SubpixelAntialiased: {
graphicsContext->setShouldAntialias(true);
shouldUseFontSmoothing = true;
break;
}
case NoSmoothing: {
graphicsContext->setShouldAntialias(false);
shouldUseFontSmoothing = false;
break;
}
case AutoSmoothing: {
// For the AutoSmooth case, don't do anything! Keep the default settings.
break;
}
default:
ASSERT_NOT_REACHED();
}
if (font->platformData().useGDI() && !shouldUseFontSmoothing) {
drawGDIGlyphs(graphicsContext, font, glyphBuffer, from, numGlyphs, point);
return;
}
uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext, shouldUseFontSmoothing);
const FontPlatformData& platformData = font->platformData();
CGContextSetFont(cgContext, platformData.cgFont());
CGAffineTransform matrix = CGAffineTransformIdentity;
matrix.b = -matrix.b;
matrix.d = -matrix.d;
if (platformData.syntheticOblique()) {
static float skew = -tanf(syntheticObliqueAngle * piFloat / 180.0f);
matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0));
}
CGContextSetTextMatrix(cgContext, matrix);
// Uniscribe gives us offsets to help refine the positioning of combining glyphs.
FloatSize translation = glyphBuffer.offsetAt(from);
CGContextSetFontSize(cgContext, platformData.size());
wkSetCGContextFontRenderingStyle(cgContext, font->isSystemFont(), false, font->platformData().useGDI());
FloatSize shadowOffset;
float shadowBlur;
Color shadowColor;
ColorSpace shadowColorSpace;
graphicsContext->getShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);
bool hasSimpleShadow = graphicsContext->textDrawingMode() == TextModeFill && shadowColor.isValid() && !shadowBlur && (!graphicsContext->shadowsIgnoreTransforms() || graphicsContext->getCTM().isIdentityOrTranslationOrFlipped());
if (hasSimpleShadow) {
// Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing.
graphicsContext->clearShadow();
Color fillColor = graphicsContext->fillColor();
Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
graphicsContext->setFillColor(shadowFillColor, ColorSpaceDeviceRGB);
float shadowTextX = point.x() + translation.width() + shadowOffset.width();
// If shadows are ignoring transforms, then we haven't applied the Y coordinate flip yet, so down is negative.
float shadowTextY = point.y() + translation.height() + shadowOffset.height() * (graphicsContext->shadowsIgnoreTransforms() ? -1 : 1);
CGContextSetTextPosition(cgContext, shadowTextX, shadowTextY);
CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
if (font->syntheticBoldOffset()) {
CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowOffset.width() + font->syntheticBoldOffset(), point.y() + translation.height() + shadowOffset.height());
CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
}
graphicsContext->setFillColor(fillColor, ColorSpaceDeviceRGB);
}
CGContextSetTextPosition(cgContext, point.x() + translation.width(), point.y() + translation.height());
CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
if (font->syntheticBoldOffset()) {
CGContextSetTextPosition(cgContext, point.x() + translation.width() + font->syntheticBoldOffset(), point.y() + translation.height());
CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
}
if (hasSimpleShadow)
graphicsContext->setShadow(shadowOffset, shadowBlur, shadowColor, ColorSpaceDeviceRGB);
wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle);
}
int RenderStyle::fontSize() const { return fontDescription().computedPixelSize(); }
PassRefPtr<SimpleFontData> FontCache::systemFallbackForCharacters(const FontDescription& description, const SimpleFontData* originalFontData, bool, const UChar* characters, int length)
{
String familyName;
WCHAR name[LF_FACESIZE];
UChar character = characters[0];
const FontPlatformData& origFont = originalFontData->platformData();
if (IMLangFontLinkType* langFontLink = getFontLinkInterface()) {
HGDIOBJ oldFont = GetCurrentObject(g_screenDC, OBJ_FONT);
HFONT hfont = 0;
DWORD codePages = 0;
UINT codePage = 0;
// Try MLang font linking first.
langFontLink->GetCharCodePages(character, &codePages);
if (codePages && u_getIntPropertyValue(character, UCHAR_UNIFIED_IDEOGRAPH)) {
// The CJK character may belong to multiple code pages. We want to
// do font linking against a single one of them, preferring the default
// code page for the user's locale.
const Vector<DWORD, 4>& CJKCodePageMasks = getCJKCodePageMasks();
unsigned numCodePages = CJKCodePageMasks.size();
for (unsigned i = 0; i < numCodePages; ++i) {
hfont = createMLangFont(langFontLink, g_screenDC, origFont, CJKCodePageMasks[i]);
if (!hfont)
continue;
SelectObject(g_screenDC, hfont);
GetTextFace(g_screenDC, LF_FACESIZE, name);
if (hfont && !(codePages & CJKCodePageMasks[i])) {
// We asked about a code page that is not one of the code pages
// returned by MLang, so the font might not contain the character.
if (!currentFontContainsCharacter(langFontLink, g_screenDC, hfont, character, name))
{
SelectObject(g_screenDC, oldFont);
langFontLink->ReleaseFont(hfont);
hfont = 0;
continue;
}
}
break;
}
} else {
hfont = createMLangFont(langFontLink, g_screenDC, origFont, codePages, character);
SelectObject(g_screenDC, hfont);
GetTextFace(g_screenDC, LF_FACESIZE, name);
}
SelectObject(g_screenDC, oldFont);
if (hfont) {
familyName = name;
langFontLink->ReleaseFont(hfont);
} else
FontPlatformData::mapKnownFont(codePages, familyName);
}
if (familyName.isEmpty())
familyName = FontPlatformData::defaultFontFamily();
if (!familyName.isEmpty()) {
// FIXME: temporary workaround for Thai font problem
FontDescription fontDescription(description);
if (ublock_getCode(c) == UBLOCK_THAI && fontDescription.weight() > FontWeightNormal)
fontDescription.setWeight(FontWeightNormal);
FontPlatformData* result = getCachedFontPlatformData(fontDescription, familyName);
if (result && result->hash() != origFont.hash()) {
if (RefPtr<SimpleFontData> fontData = getCachedFontData(result, DoNotRetain))
return fontData.release();
}
}
return 0;
}
FontWeight RenderStyle::fontWeight() const { return fontDescription().weight(); }
void QtUiStyle::generateSettingsQss() const
{
QFile settingsQss(Quassel::configDirPath() + "settings.qss");
if (!settingsQss.open(QFile::WriteOnly | QFile::Truncate)) {
qWarning() << "Could not open" << settingsQss.fileName() << "for writing!";
return;
}
QTextStream out(&settingsQss);
out << "// Style settings made in Quassel's configuration dialog\n"
<< "// This file is automatically generated, do not edit\n";
// ChatView
///////////
QtUiStyleSettings fs("Fonts");
if (fs.value("UseCustomChatViewFont").toBool())
out << "\n// ChatView Font\n"
<< "ChatLine { " << fontDescription(fs.value("ChatView").value<QFont>()) << "; }\n";
QtUiStyleSettings s("Colors");
if (s.value("UseChatViewColors").toBool()) {
out << "\n// Custom ChatView Colors\n"
// markerline is special in that it always used to use a gradient, so we keep this behavior even with the new implementation
<< "Palette { marker-line: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 " << color("MarkerLine", s)
<< ", stop: 0.1 transparent); }\n"
<< "ChatView { background: " << color("ChatViewBackground", s) << "; }\n\n"
<< "ChatLine[label=\"highlight\"] {\n"
<< " foreground: " << color("Highlight", s) << ";\n"
<< " background: " << color("HighlightBackground", s) << ";\n"
<< "}\n\n"
<< "ChatLine::timestamp { foreground: " << color("Timestamp", s) << "; }\n\n"
<< msgTypeQss("plain", "ChannelMsg", s) << msgTypeQss("notice", "ServerMsg", s) << msgTypeQss("action", "ActionMsg", s)
<< msgTypeQss("nick", "CommandMsg", s) << msgTypeQss("mode", "CommandMsg", s) << msgTypeQss("join", "CommandMsg", s)
<< msgTypeQss("part", "CommandMsg", s) << msgTypeQss("quit", "CommandMsg", s) << msgTypeQss("kick", "CommandMsg", s)
<< msgTypeQss("kill", "CommandMsg", s) << msgTypeQss("server", "ServerMsg", s) << msgTypeQss("info", "ServerMsg", s)
<< msgTypeQss("error", "ErrorMsg", s) << msgTypeQss("daychange", "ServerMsg", s) << msgTypeQss("topic", "CommandMsg", s)
<< msgTypeQss("netsplit-join", "CommandMsg", s) << msgTypeQss("netsplit-quit", "CommandMsg", s)
<< msgTypeQss("invite", "CommandMsg", s) << "\n";
}
if (s.value("UseSenderColors", true).toBool()) {
out << "\n// Sender Colors\n";
// Generate a color palette for easy reuse elsewhere
// NOTE: A color palette is not a complete replacement for specifying the colors below, as
// specifying the colors one-by-one instead of with QtUi::style()->brush(...) makes it easy
// to toggle the specific coloring of sender/nick at the cost of regenerating this file.
// See UiStyle::ColorRole
out << senderPaletteQss(s);
out << "ChatLine::sender#plain[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
// Matches qssparser.cpp for UiStyle::PlainMsg
for (int i = 0; i < defaultSenderColors.count(); i++)
out << senderQss(i, "plain");
// Only color the nicks in CTCP ACTIONs if sender colors are enabled
if (s.value("UseSenderActionColors", true).toBool()) {
// For action messages, color the 'sender' column -and- the nick itself
out << "\n// Sender Nickname Colors for action messages\n"
<< "ChatLine::sender#action[sender=\"self\"] { foreground: palette(sender-color-self); }\n"
<< "ChatLine::nick#action[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
// Matches qssparser.cpp for UiStyle::ActionMsg
for (int i = 0; i < defaultSenderColors.count(); i++)
out << senderQss(i, "action", true);
}
// Only color the nicks in CTCP ACTIONs if sender colors are enabled
if (s.value("UseNickGeneralColors", true).toBool()) {
// For action messages, color the 'sender' column -and- the nick itself
out << "\n// Nickname colors for all messages\n"
<< "ChatLine::nick[sender=\"self\"] { foreground: palette(sender-color-self); }\n\n";
// Matches qssparser.cpp for any style of message (UiStyle::...)
for (int i = 0; i < defaultSenderColors.count(); i++)
out << nickQss(i);
}
}
// ItemViews
////////////
UiStyleSettings uiFonts("Fonts");
if (uiFonts.value("UseCustomItemViewFont").toBool()) {
QString fontDesc = fontDescription(uiFonts.value("ItemView").value<QFont>());
out << "\n// ItemView Font\n"
<< "ChatListItem { " << fontDesc << "; }\n"
<< "NickListItem { " << fontDesc << "; }\n\n";
}
UiStyleSettings uiColors("Colors");
if (uiColors.value("UseBufferViewColors").toBool()) {
out << "\n// BufferView Colors\n"
<< "ChatListItem { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
<< chatListItemQss("inactive", "InactiveBuffer", uiColors) << chatListItemQss("channel-event", "ActiveBuffer", uiColors)
<< chatListItemQss("unread-message", "UnreadBuffer", uiColors) << chatListItemQss("highlighted", "HighlightedBuffer", uiColors);
}
if (uiColors.value("UseNickViewColors").toBool()) {
out << "\n// NickView Colors\n"
<< "NickListItem[type=\"category\"] { foreground: " << color("DefaultBuffer", uiColors) << "; }\n"
<< "NickListItem[type=\"user\"] { foreground: " << color("OnlineNick", uiColors) << "; }\n"
<< R"(NickListItem[type="user", state="away"] { foreground: )" << color("AwayNick", uiColors) << "; }\n";
}
float RenderStyle::computedFontSize() const { return fontDescription().computedSize(); }
void Font::drawTextUsingSVGFont(GraphicsContext* context, const TextRun& run,
const FloatPoint& point, int from, int to) const
{
SVGFontElement* fontElement = 0;
SVGFontFaceElement* fontFaceElement = 0;
if (const SVGFontData* fontData = svgFontAndFontFaceElementForFontData(primaryFont(), fontFaceElement, fontElement)) {
if (!fontElement)
return;
SVGTextRunWalkerDrawTextData data;
FloatPoint currentPoint = point;
float scale = convertEmUnitToPixel(size(), fontFaceElement->unitsPerEm(), 1.0f);
SVGPaintServer* activePaintServer = run.activePaintServer();
// If renderObject is not set, we're dealing for HTML text rendered using SVG Fonts.
if (!run.referencingRenderObject()) {
ASSERT(!activePaintServer);
// TODO: We're only supporting simple filled HTML text so far.
SVGPaintServerSolid* solidPaintServer = SVGPaintServer::sharedSolidPaintServer();
solidPaintServer->setColor(context->fillColor());
activePaintServer = solidPaintServer;
}
ASSERT(activePaintServer);
int charsConsumed;
String glyphName;
bool isVerticalText = false;
float xStartOffset = floatWidthOfSubStringUsingSVGFont(this, run, 0, run.rtl() ? to : 0, run.rtl() ? run.length() : from, charsConsumed, glyphName);
FloatPoint glyphOrigin;
String language;
// TODO: language matching & svg glyphs should be possible for HTML text, too.
if (run.referencingRenderObject()) {
isVerticalText = isVerticalWritingMode(run.referencingRenderObject()->style()->svgStyle());
if (SVGElement* element = static_cast<SVGElement*>(run.referencingRenderObject()->element()))
language = element->getAttribute(XMLNames::langAttr);
}
if (!isVerticalText) {
glyphOrigin.setX(fontData->horizontalOriginX() * scale);
glyphOrigin.setY(fontData->horizontalOriginY() * scale);
}
data.extraCharsAvailable = 0;
data.charsConsumed = 0;
SVGTextRunWalker<SVGTextRunWalkerDrawTextData> runWalker(fontData, fontElement, data, drawTextUsingSVGFontCallback, drawTextMissingGlyphCallback);
runWalker.walk(run, isVerticalText, language, from, to);
SVGPaintTargetType targetType = context->textDrawingMode() == cTextStroke ? ApplyToStrokeTargetType : ApplyToFillTargetType;
unsigned numGlyphs = data.glyphIdentifiers.size();
unsigned fallbackCharacterIndex = 0;
for (unsigned i = 0; i < numGlyphs; ++i) {
const SVGGlyphIdentifier& identifier = data.glyphIdentifiers[run.rtl() ? numGlyphs - i - 1 : i];
if (identifier.isValid) {
// FIXME: Support arbitary SVG content as glyph (currently limited to <glyph d="..."> situations).
if (!identifier.pathData.isEmpty()) {
context->save();
if (isVerticalText) {
glyphOrigin.setX(identifier.verticalOriginX * scale);
glyphOrigin.setY(identifier.verticalOriginY * scale);
}
context->translate(xStartOffset + currentPoint.x() + glyphOrigin.x(), currentPoint.y() + glyphOrigin.y());
context->scale(FloatSize(scale, -scale));
context->beginPath();
context->addPath(identifier.pathData);
if (activePaintServer->setup(context, run.referencingRenderObject(), targetType)) {
// Spec: Any properties specified on a text elements which represents a length, such as the
// 'stroke-width' property, might produce surprising results since the length value will be
// processed in the coordinate system of the glyph. (TODO: What other lengths? miter-limit? dash-offset?)
if (targetType == ApplyToStrokeTargetType && scale != 0.0f)
context->setStrokeThickness(context->strokeThickness() / scale);
activePaintServer->renderPath(context, run.referencingRenderObject(), targetType);
activePaintServer->teardown(context, run.referencingRenderObject(), targetType);
}
context->restore();
}
if (isVerticalText)
currentPoint.move(0.0f, identifier.verticalAdvanceY * scale);
else
currentPoint.move(identifier.horizontalAdvanceX * scale, 0.0f);
} else {
// Handle system font fallback
FontDescription fontDescription(context->font().fontDescription());
fontDescription.setFamily(FontFamily());
Font font(fontDescription, 0, 0); // spacing handled by SVG text code.
font.update(context->font().fontSelector());
TextRun fallbackCharacterRun(run);
fallbackCharacterRun.setText(&data.fallbackCharacters[run.rtl() ? data.fallbackCharacters.size() - fallbackCharacterIndex - 1 : fallbackCharacterIndex], 1);
font.drawText(context, fallbackCharacterRun, currentPoint);
if (isVerticalText)
currentPoint.move(0.0f, font.floatWidth(fallbackCharacterRun));
else
currentPoint.move(font.floatWidth(fallbackCharacterRun), 0.0f);
fallbackCharacterIndex++;
}
}
}
}
FontStretch RenderStyle::fontStretch() const { return fontDescription().stretch(); }
void Font::willUseFontData() const
{
const FontFamily& family = fontDescription().family();
if (m_fontFallbackList && m_fontFallbackList->fontSelector() && !family.familyIsEmpty())
m_fontFallbackList->fontSelector()->willUseFontData(fontDescription(), family.family());
}
float RenderStyle::specifiedFontSize() const { return fontDescription().specifiedSize(); }