1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/thebes/gfxQtPlatform.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,245 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include <QPixmap>
1.10 +#include <QWindow>
1.11 +#ifdef MOZ_X11
1.12 +#include <qpa/qplatformnativeinterface.h>
1.13 +#include <qpa/qplatformintegration.h>
1.14 +#endif
1.15 +#include <QGuiApplication>
1.16 +#include <QScreen>
1.17 +
1.18 +#include "gfxQtPlatform.h"
1.19 +
1.20 +#include "gfxFontconfigUtils.h"
1.21 +
1.22 +#include "mozilla/gfx/2D.h"
1.23 +
1.24 +#include "cairo.h"
1.25 +
1.26 +#include "gfxImageSurface.h"
1.27 +#include "gfxQPainterSurface.h"
1.28 +#include "nsUnicodeProperties.h"
1.29 +
1.30 +#include "gfxPangoFonts.h"
1.31 +#include "gfxContext.h"
1.32 +#include "gfxUserFontSet.h"
1.33 +
1.34 +#include "nsUnicharUtils.h"
1.35 +
1.36 +#include "nsMathUtils.h"
1.37 +#include "nsTArray.h"
1.38 +#ifdef MOZ_X11
1.39 +#include "gfxXlibSurface.h"
1.40 +#include "prenv.h"
1.41 +#endif
1.42 +
1.43 +#include "qcms.h"
1.44 +
1.45 +#include "mozilla/Preferences.h"
1.46 +
1.47 +using namespace mozilla;
1.48 +using namespace mozilla::unicode;
1.49 +using namespace mozilla::gfx;
1.50 +
1.51 +gfxFontconfigUtils *gfxQtPlatform::sFontconfigUtils = nullptr;
1.52 +#ifdef MOZ_X11
1.53 +bool gfxQtPlatform::sUseXRender = true;
1.54 +#endif
1.55 +
1.56 +static gfxImageFormat sOffscreenFormat = gfxImageFormat::RGB24;
1.57 +
1.58 +gfxQtPlatform::gfxQtPlatform()
1.59 +{
1.60 +#ifdef MOZ_X11
1.61 + sUseXRender = mozilla::Preferences::GetBool("gfx.xrender.enabled");
1.62 +#endif
1.63 + if (!sFontconfigUtils)
1.64 + sFontconfigUtils = gfxFontconfigUtils::GetFontconfigUtils();
1.65 +
1.66 + mScreenDepth = qApp->primaryScreen()->depth();
1.67 + if (mScreenDepth == 16) {
1.68 + sOffscreenFormat = gfxImageFormat::RGB16_565;
1.69 + }
1.70 + uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
1.71 + uint32_t contentMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
1.72 + InitBackendPrefs(canvasMask, BackendType::CAIRO,
1.73 + contentMask, BackendType::CAIRO);
1.74 +}
1.75 +
1.76 +gfxQtPlatform::~gfxQtPlatform()
1.77 +{
1.78 + gfxFontconfigUtils::Shutdown();
1.79 + sFontconfigUtils = nullptr;
1.80 +
1.81 + gfxPangoFontGroup::Shutdown();
1.82 +}
1.83 +
1.84 +#ifdef MOZ_X11
1.85 +Display*
1.86 +gfxQtPlatform::GetXDisplay(QWindow* aWindow)
1.87 +{
1.88 + return (Display*)(qApp->platformNativeInterface()->
1.89 + nativeResourceForScreen("display", aWindow ? aWindow->screen() : qApp->primaryScreen()));
1.90 +}
1.91 +
1.92 +Screen*
1.93 +gfxQtPlatform::GetXScreen(QWindow* aWindow)
1.94 +{
1.95 + return ScreenOfDisplay(GetXDisplay(aWindow),
1.96 + (int)(intptr_t)qApp->platformNativeInterface()->
1.97 + nativeResourceForScreen("screen", aWindow ? aWindow->screen() : qApp->primaryScreen()));
1.98 +}
1.99 +#endif
1.100 +
1.101 +already_AddRefed<gfxASurface>
1.102 +gfxQtPlatform::CreateOffscreenSurface(const IntSize& size,
1.103 + gfxContentType contentType)
1.104 +{
1.105 + gfxImageFormat imageFormat = OptimalFormatForContent(contentType);
1.106 +
1.107 + nsRefPtr<gfxASurface> newSurface =
1.108 + new gfxImageSurface(gfxIntSize(size.width, size.height), imageFormat);
1.109 +
1.110 + return newSurface.forget();
1.111 +}
1.112 +
1.113 +already_AddRefed<gfxASurface>
1.114 +gfxQtPlatform::OptimizeImage(gfxImageSurface *aSurface,
1.115 + gfxImageFormat format)
1.116 +{
1.117 + /* Qt have no special offscreen surfaces so we can avoid a copy */
1.118 + if (OptimalFormatForContent(gfxASurface::ContentFromFormat(format)) ==
1.119 + format) {
1.120 + return nullptr;
1.121 + }
1.122 +
1.123 + return gfxPlatform::OptimizeImage(aSurface, format);
1.124 +}
1.125 +
1.126 +
1.127 +nsresult
1.128 +gfxQtPlatform::GetFontList(nsIAtom *aLangGroup,
1.129 + const nsACString& aGenericFamily,
1.130 + nsTArray<nsString>& aListOfFonts)
1.131 +{
1.132 + return sFontconfigUtils->GetFontList(aLangGroup, aGenericFamily,
1.133 + aListOfFonts);
1.134 +}
1.135 +
1.136 +nsresult
1.137 +gfxQtPlatform::UpdateFontList()
1.138 +{
1.139 + return sFontconfigUtils->UpdateFontList();
1.140 +}
1.141 +
1.142 +nsresult
1.143 +gfxQtPlatform::ResolveFontName(const nsAString& aFontName,
1.144 + FontResolverCallback aCallback,
1.145 + void *aClosure,
1.146 + bool& aAborted)
1.147 +{
1.148 + return sFontconfigUtils->ResolveFontName(aFontName, aCallback,
1.149 + aClosure, aAborted);
1.150 +}
1.151 +
1.152 +nsresult
1.153 +gfxQtPlatform::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
1.154 +{
1.155 + return sFontconfigUtils->GetStandardFamilyName(aFontName, aFamilyName);
1.156 +}
1.157 +
1.158 +gfxFontGroup *
1.159 +gfxQtPlatform::CreateFontGroup(const nsAString &aFamilies,
1.160 + const gfxFontStyle *aStyle,
1.161 + gfxUserFontSet* aUserFontSet)
1.162 +{
1.163 + return new gfxPangoFontGroup(aFamilies, aStyle, aUserFontSet);
1.164 +}
1.165 +
1.166 +gfxFontEntry*
1.167 +gfxQtPlatform::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
1.168 + const nsAString& aFontName)
1.169 +{
1.170 + return gfxPangoFontGroup::NewFontEntry(*aProxyEntry, aFontName);
1.171 +}
1.172 +
1.173 +gfxFontEntry*
1.174 +gfxQtPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
1.175 + const uint8_t *aFontData, uint32_t aLength)
1.176 +{
1.177 + // passing ownership of the font data to the new font entry
1.178 + return gfxPangoFontGroup::NewFontEntry(*aProxyEntry,
1.179 + aFontData, aLength);
1.180 +}
1.181 +
1.182 +bool
1.183 +gfxQtPlatform::SupportsOffMainThreadCompositing()
1.184 +{
1.185 +#if defined(MOZ_X11) && !defined(NIGHTLY_BUILD)
1.186 + return (PR_GetEnv("MOZ_USE_OMTC") != nullptr) ||
1.187 + (PR_GetEnv("MOZ_OMTC_ENABLED") != nullptr);
1.188 +#else
1.189 + return true;
1.190 +#endif
1.191 +}
1.192 +
1.193 +bool
1.194 +gfxQtPlatform::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
1.195 +{
1.196 + // check for strange format flags
1.197 + NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
1.198 + "strange font format hint set");
1.199 +
1.200 + // accept supported formats
1.201 + // Pango doesn't apply features from AAT TrueType extensions.
1.202 + // Assume that if this is the only SFNT format specified,
1.203 + // then AAT extensions are required for complex script support.
1.204 + if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF |
1.205 + gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
1.206 + gfxUserFontSet::FLAG_FORMAT_TRUETYPE)) {
1.207 + return true;
1.208 + }
1.209 +
1.210 + // reject all other formats, known and unknown
1.211 + if (aFormatFlags != 0) {
1.212 + return false;
1.213 + }
1.214 +
1.215 + // no format hint set, need to look at data
1.216 + return true;
1.217 +}
1.218 +
1.219 +void
1.220 +gfxQtPlatform::GetPlatformCMSOutputProfile(void *&mem, size_t &size)
1.221 +{
1.222 + mem = nullptr;
1.223 + size = 0;
1.224 +}
1.225 +
1.226 +int32_t
1.227 +gfxQtPlatform::GetDPI()
1.228 +{
1.229 + return qApp->primaryScreen()->logicalDotsPerInch();
1.230 +}
1.231 +
1.232 +gfxImageFormat
1.233 +gfxQtPlatform::GetOffscreenFormat()
1.234 +{
1.235 + return sOffscreenFormat;
1.236 +}
1.237 +
1.238 +int
1.239 +gfxQtPlatform::GetScreenDepth() const
1.240 +{
1.241 + return mScreenDepth;
1.242 +}
1.243 +
1.244 +TemporaryRef<ScaledFont>
1.245 +gfxQtPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont* aFont)
1.246 +{
1.247 + return GetScaledFontForFontWithCairoSkia(aTarget, aFont);
1.248 +}
