mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 15:15:23 +00:00
746 lines
22 KiB
C++
746 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifdef MOZ_PANGO
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#define PANGO_ENABLE_BACKEND
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#define PANGO_ENABLE_ENGINE
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#endif
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#include "gfxPlatformGtk.h"
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#include "nsUnicharUtils.h"
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#include "nsUnicodeProperties.h"
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#include "gfxFontconfigUtils.h"
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#ifdef MOZ_PANGO
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#include "gfxPangoFonts.h"
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#include "gfxContext.h"
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#include "gfxUserFontSet.h"
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#include "gfxFT2FontBase.h"
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#else
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include "gfxFT2Fonts.h"
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#endif
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#include "mozilla/gfx/2D.h"
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#include "cairo.h"
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#include <gtk/gtk.h>
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#include "gfxImageSurface.h"
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#ifdef MOZ_X11
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#include <gdk/gdkx.h>
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#include "gfxXlibSurface.h"
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#include "cairo-xlib.h"
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#include "mozilla/Preferences.h"
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/* Undefine the Status from Xlib since it will conflict with system headers on OSX */
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#if defined(__APPLE__) && defined(Status)
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#undef Status
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#endif
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#endif /* MOZ_X11 */
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#include <fontconfig/fontconfig.h>
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#include "nsMathUtils.h"
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#define GDK_PIXMAP_SIZE_MAX 32767
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::unicode;
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gfxFontconfigUtils *gfxPlatformGtk::sFontconfigUtils = nullptr;
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#ifndef MOZ_PANGO
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typedef nsDataHashtable<nsStringHashKey, nsRefPtr<FontFamily> > FontTable;
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typedef nsDataHashtable<nsCStringHashKey, nsTArray<nsRefPtr<gfxFontEntry> > > PrefFontTable;
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static FontTable *gPlatformFonts = NULL;
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static FontTable *gPlatformFontAliases = NULL;
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static PrefFontTable *gPrefFonts = NULL;
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static gfxSparseBitSet *gCodepointsWithNoFonts = NULL;
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static FT_Library gPlatformFTLibrary = NULL;
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#endif
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static cairo_user_data_key_t cairo_gdk_drawable_key;
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#ifdef MOZ_X11
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bool gfxPlatformGtk::sUseXRender = true;
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#endif
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gfxPlatformGtk::gfxPlatformGtk()
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{
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if (!sFontconfigUtils)
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sFontconfigUtils = gfxFontconfigUtils::GetFontconfigUtils();
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#ifdef MOZ_X11
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sUseXRender = mozilla::Preferences::GetBool("gfx.xrender.enabled");
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#endif
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#ifndef MOZ_PANGO
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FT_Init_FreeType(&gPlatformFTLibrary);
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gPlatformFonts = new FontTable();
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gPlatformFonts->Init(100);
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gPlatformFontAliases = new FontTable();
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gPlatformFontAliases->Init(100);
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gPrefFonts = new PrefFontTable();
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gPrefFonts->Init(100);
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gCodepointsWithNoFonts = new gfxSparseBitSet();
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UpdateFontList();
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#endif
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uint32_t canvasMask = (1 << BACKEND_CAIRO) | (1 << BACKEND_SKIA);
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uint32_t contentMask = (1 << BACKEND_CAIRO);
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InitBackendPrefs(canvasMask, contentMask);
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}
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gfxPlatformGtk::~gfxPlatformGtk()
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{
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gfxFontconfigUtils::Shutdown();
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sFontconfigUtils = nullptr;
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#ifdef MOZ_PANGO
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gfxPangoFontGroup::Shutdown();
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#else
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delete gPlatformFonts;
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gPlatformFonts = NULL;
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delete gPlatformFontAliases;
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gPlatformFontAliases = NULL;
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delete gPrefFonts;
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gPrefFonts = NULL;
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delete gCodepointsWithNoFonts;
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gCodepointsWithNoFonts = NULL;
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#ifdef NS_FREE_PERMANENT_DATA
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// do cairo cleanup *before* closing down the FTLibrary,
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// otherwise we'll crash when the gfxPlatform destructor
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// calls it (bug 605009)
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cairo_debug_reset_static_data();
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FT_Done_FreeType(gPlatformFTLibrary);
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gPlatformFTLibrary = NULL;
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#endif
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#endif
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#if 0
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// It would be nice to do this (although it might need to be after
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// the cairo shutdown that happens in ~gfxPlatform). It even looks
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// idempotent. But it has fatal assertions that fire if stuff is
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// leaked, and we hit them.
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FcFini();
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#endif
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}
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already_AddRefed<gfxASurface>
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gfxPlatformGtk::CreateOffscreenSurface(const gfxIntSize& size,
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gfxASurface::gfxContentType contentType)
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{
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nsRefPtr<gfxASurface> newSurface;
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bool needsClear = true;
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gfxASurface::gfxImageFormat imageFormat = OptimalFormatForContent(contentType);
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#ifdef MOZ_X11
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// XXX we really need a different interface here, something that passes
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// in more context, including the display and/or target surface type that
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// we should try to match
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GdkScreen *gdkScreen = gdk_screen_get_default();
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if (gdkScreen) {
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if (UseXRender()) {
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Screen *screen = gdk_x11_screen_get_xscreen(gdkScreen);
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XRenderPictFormat* xrenderFormat =
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gfxXlibSurface::FindRenderFormat(DisplayOfScreen(screen),
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imageFormat);
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if (xrenderFormat) {
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newSurface = gfxXlibSurface::Create(screen, xrenderFormat, size);
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}
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} else {
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// We're not going to use XRender, so we don't need to
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// search for a render format
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newSurface = new gfxImageSurface(size, imageFormat);
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// The gfxImageSurface ctor zeroes this for us, no need to
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// waste time clearing again
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needsClear = false;
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}
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}
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#endif
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if (!newSurface) {
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// We couldn't create a native surface for whatever reason;
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// e.g., no display, no RENDER, bad size, etc.
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// Fall back to image surface for the data.
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newSurface = new gfxImageSurface(size, imageFormat);
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}
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if (newSurface->CairoStatus()) {
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newSurface = nullptr; // surface isn't valid for some reason
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}
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if (newSurface && needsClear) {
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gfxContext tmpCtx(newSurface);
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tmpCtx.SetOperator(gfxContext::OPERATOR_CLEAR);
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tmpCtx.Paint();
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}
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return newSurface.forget();
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}
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#ifdef MOZ_PANGO
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nsresult
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gfxPlatformGtk::GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts)
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{
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return sFontconfigUtils->GetFontList(aLangGroup, aGenericFamily,
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aListOfFonts);
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}
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nsresult
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gfxPlatformGtk::UpdateFontList()
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{
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return sFontconfigUtils->UpdateFontList();
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}
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nsresult
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gfxPlatformGtk::ResolveFontName(const nsAString& aFontName,
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FontResolverCallback aCallback,
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void *aClosure,
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bool& aAborted)
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{
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return sFontconfigUtils->ResolveFontName(aFontName, aCallback,
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aClosure, aAborted);
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}
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nsresult
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gfxPlatformGtk::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
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{
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return sFontconfigUtils->GetStandardFamilyName(aFontName, aFamilyName);
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}
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gfxFontGroup *
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gfxPlatformGtk::CreateFontGroup(const nsAString &aFamilies,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet)
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{
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return new gfxPangoFontGroup(aFamilies, aStyle, aUserFontSet);
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}
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gfxFontEntry*
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gfxPlatformGtk::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName)
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{
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return gfxPangoFontGroup::NewFontEntry(*aProxyEntry, aFontName);
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}
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gfxFontEntry*
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gfxPlatformGtk::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const uint8_t *aFontData, uint32_t aLength)
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{
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// passing ownership of the font data to the new font entry
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return gfxPangoFontGroup::NewFontEntry(*aProxyEntry,
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aFontData, aLength);
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}
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bool
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gfxPlatformGtk::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
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{
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// check for strange format flags
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NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
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"strange font format hint set");
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// accept supported formats
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// Pango doesn't apply features from AAT TrueType extensions.
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// Assume that if this is the only SFNT format specified,
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// then AAT extensions are required for complex script support.
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if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF |
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gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
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gfxUserFontSet::FLAG_FORMAT_TRUETYPE)) {
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return true;
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}
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// reject all other formats, known and unknown
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if (aFormatFlags != 0) {
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return false;
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}
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// no format hint set, need to look at data
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return true;
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}
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#else
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nsresult
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gfxPlatformGtk::GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts)
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{
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return sFontconfigUtils->GetFontList(aLangGroup, aGenericFamily,
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aListOfFonts);
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}
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nsresult
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gfxPlatformGtk::UpdateFontList()
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{
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FcPattern *pat = NULL;
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FcObjectSet *os = NULL;
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FcFontSet *fs = NULL;
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int32_t result = -1;
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pat = FcPatternCreate();
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os = FcObjectSetBuild(FC_FAMILY, FC_FILE, FC_INDEX, FC_WEIGHT, FC_SLANT, FC_WIDTH, NULL);
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fs = FcFontList(NULL, pat, os);
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for (int i = 0; i < fs->nfont; i++) {
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char *str;
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if (FcPatternGetString(fs->fonts[i], FC_FAMILY, 0, (FcChar8 **) &str) != FcResultMatch)
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continue;
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//printf("Family: %s\n", str);
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nsAutoString name(NS_ConvertUTF8toUTF16(nsDependentCString(str)).get());
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nsAutoString key(name);
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ToLowerCase(key);
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nsRefPtr<FontFamily> ff;
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if (!gPlatformFonts->Get(key, &ff)) {
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ff = new FontFamily(name);
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gPlatformFonts->Put(key, ff);
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}
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FontEntry *fe = new FontEntry(ff->Name());
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ff->AddFontEntry(fe);
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if (FcPatternGetString(fs->fonts[i], FC_FILE, 0, (FcChar8 **) &str) == FcResultMatch) {
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fe->mFilename = nsDependentCString(str);
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//printf(" - file: %s\n", str);
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}
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int x;
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if (FcPatternGetInteger(fs->fonts[i], FC_INDEX, 0, &x) == FcResultMatch) {
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//printf(" - index: %d\n", x);
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fe->mFTFontIndex = x;
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} else {
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fe->mFTFontIndex = 0;
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}
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fe->mWeight = gfxFontconfigUtils::GetThebesWeight(fs->fonts[i]);
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//printf(" - weight: %d\n", fe->mWeight);
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fe->mItalic = false;
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if (FcPatternGetInteger(fs->fonts[i], FC_SLANT, 0, &x) == FcResultMatch) {
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switch (x) {
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case FC_SLANT_ITALIC:
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case FC_SLANT_OBLIQUE:
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fe->mItalic = true;
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}
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//printf(" - slant: %d\n", x);
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}
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//if (FcPatternGetInteger(fs->fonts[i], FC_WIDTH, 0, &x) == FcResultMatch)
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//printf(" - width: %d\n", x);
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// XXX deal with font-stretch stuff later
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}
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if (pat)
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FcPatternDestroy(pat);
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if (os)
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FcObjectSetDestroy(os);
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if (fs)
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FcFontSetDestroy(fs);
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return sFontconfigUtils->UpdateFontList();
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}
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nsresult
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gfxPlatformGtk::ResolveFontName(const nsAString& aFontName,
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FontResolverCallback aCallback,
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void *aClosure,
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bool& aAborted)
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{
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nsAutoString name(aFontName);
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ToLowerCase(name);
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nsRefPtr<FontFamily> ff;
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if (gPlatformFonts->Get(name, &ff) ||
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gPlatformFontAliases->Get(name, &ff)) {
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aAborted = !(*aCallback)(ff->Name(), aClosure);
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return NS_OK;
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}
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nsAutoCString utf8Name = NS_ConvertUTF16toUTF8(aFontName);
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FcPattern *npat = FcPatternCreate();
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FcPatternAddString(npat, FC_FAMILY, (FcChar8*)utf8Name.get());
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FcObjectSet *nos = FcObjectSetBuild(FC_FAMILY, NULL);
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FcFontSet *nfs = FcFontList(NULL, npat, nos);
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for (int k = 0; k < nfs->nfont; k++) {
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FcChar8 *str;
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if (FcPatternGetString(nfs->fonts[k], FC_FAMILY, 0, (FcChar8 **) &str) != FcResultMatch)
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continue;
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nsAutoString altName = NS_ConvertUTF8toUTF16(nsDependentCString(reinterpret_cast<char*>(str)));
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ToLowerCase(altName);
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if (gPlatformFonts->Get(altName, &ff)) {
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//printf("Adding alias: %s -> %s\n", utf8Name.get(), str);
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gPlatformFontAliases->Put(name, ff);
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aAborted = !(*aCallback)(NS_ConvertUTF8toUTF16(nsDependentCString(reinterpret_cast<char*>(str))), aClosure);
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goto DONE;
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}
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}
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FcPatternDestroy(npat);
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FcObjectSetDestroy(nos);
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FcFontSetDestroy(nfs);
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{
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npat = FcPatternCreate();
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FcPatternAddString(npat, FC_FAMILY, (FcChar8*)utf8Name.get());
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FcPatternDel(npat, FC_LANG);
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FcConfigSubstitute(NULL, npat, FcMatchPattern);
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FcDefaultSubstitute(npat);
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nos = FcObjectSetBuild(FC_FAMILY, NULL);
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nfs = FcFontList(NULL, npat, nos);
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FcResult fresult;
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FcPattern *match = FcFontMatch(NULL, npat, &fresult);
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if (match)
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FcFontSetAdd(nfs, match);
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for (int k = 0; k < nfs->nfont; k++) {
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FcChar8 *str;
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if (FcPatternGetString(nfs->fonts[k], FC_FAMILY, 0, (FcChar8 **) &str) != FcResultMatch)
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continue;
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nsAutoString altName = NS_ConvertUTF8toUTF16(nsDependentCString(reinterpret_cast<char*>(str)));
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ToLowerCase(altName);
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if (gPlatformFonts->Get(altName, &ff)) {
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//printf("Adding alias: %s -> %s\n", utf8Name.get(), str);
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gPlatformFontAliases->Put(name, ff);
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aAborted = !(*aCallback)(NS_ConvertUTF8toUTF16(nsDependentCString(reinterpret_cast<char*>(str))), aClosure);
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goto DONE;
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}
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}
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}
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DONE:
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FcPatternDestroy(npat);
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FcObjectSetDestroy(nos);
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FcFontSetDestroy(nfs);
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return NS_OK;
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}
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nsresult
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gfxPlatformGtk::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
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{
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return sFontconfigUtils->GetStandardFamilyName(aFontName, aFamilyName);
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}
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gfxFontGroup *
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gfxPlatformGtk::CreateFontGroup(const nsAString &aFamilies,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet)
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{
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return new gfxFT2FontGroup(aFamilies, aStyle, aUserFontSet);
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}
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#endif
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static int32_t sDPI = 0;
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int32_t
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gfxPlatformGtk::GetDPI()
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{
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if (!sDPI) {
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// Make sure init is run so we have a resolution
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GdkScreen *screen = gdk_screen_get_default();
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gtk_settings_get_for_screen(screen);
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sDPI = int32_t(round(gdk_screen_get_resolution(screen)));
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if (sDPI <= 0) {
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// Fall back to something sane
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sDPI = 96;
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}
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}
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return sDPI;
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}
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|
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gfxImageFormat
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gfxPlatformGtk::GetOffscreenFormat()
|
|
{
|
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// Make sure there is a screen
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GdkScreen *screen = gdk_screen_get_default();
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if (screen && gdk_visual_get_depth(gdk_visual_get_system()) == 16) {
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return gfxASurface::ImageFormatRGB16_565;
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}
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return gfxASurface::ImageFormatRGB24;
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}
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|
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qcms_profile *
|
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gfxPlatformGtk::GetPlatformCMSOutputProfile()
|
|
{
|
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#ifdef MOZ_X11
|
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const char EDID1_ATOM_NAME[] = "XFree86_DDC_EDID1_RAWDATA";
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|
const char ICC_PROFILE_ATOM_NAME[] = "_ICC_PROFILE";
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|
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Atom edidAtom, iccAtom;
|
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Display *dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
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Window root = gdk_x11_get_default_root_xwindow();
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|
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Atom retAtom;
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int retFormat;
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unsigned long retLength, retAfter;
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unsigned char *retProperty ;
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|
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iccAtom = XInternAtom(dpy, ICC_PROFILE_ATOM_NAME, TRUE);
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if (iccAtom) {
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// read once to get size, once for the data
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if (Success == XGetWindowProperty(dpy, root, iccAtom,
|
|
0, INT_MAX /* length */,
|
|
False, AnyPropertyType,
|
|
&retAtom, &retFormat, &retLength,
|
|
&retAfter, &retProperty)) {
|
|
qcms_profile* profile = NULL;
|
|
|
|
if (retLength > 0)
|
|
profile = qcms_profile_from_memory(retProperty, retLength);
|
|
|
|
XFree(retProperty);
|
|
|
|
if (profile) {
|
|
#ifdef DEBUG_tor
|
|
fprintf(stderr,
|
|
"ICM profile read from %s successfully\n",
|
|
ICC_PROFILE_ATOM_NAME);
|
|
#endif
|
|
return profile;
|
|
}
|
|
}
|
|
}
|
|
|
|
edidAtom = XInternAtom(dpy, EDID1_ATOM_NAME, TRUE);
|
|
if (edidAtom) {
|
|
if (Success == XGetWindowProperty(dpy, root, edidAtom, 0, 32,
|
|
False, AnyPropertyType,
|
|
&retAtom, &retFormat, &retLength,
|
|
&retAfter, &retProperty)) {
|
|
double gamma;
|
|
qcms_CIE_xyY whitePoint;
|
|
qcms_CIE_xyYTRIPLE primaries;
|
|
|
|
if (retLength != 128) {
|
|
#ifdef DEBUG_tor
|
|
fprintf(stderr, "Short EDID data\n");
|
|
#endif
|
|
return nullptr;
|
|
}
|
|
|
|
// Format documented in "VESA E-EDID Implementation Guide"
|
|
|
|
gamma = (100 + retProperty[0x17]) / 100.0;
|
|
whitePoint.x = ((retProperty[0x21] << 2) |
|
|
(retProperty[0x1a] >> 2 & 3)) / 1024.0;
|
|
whitePoint.y = ((retProperty[0x22] << 2) |
|
|
(retProperty[0x1a] >> 0 & 3)) / 1024.0;
|
|
whitePoint.Y = 1.0;
|
|
|
|
primaries.red.x = ((retProperty[0x1b] << 2) |
|
|
(retProperty[0x19] >> 6 & 3)) / 1024.0;
|
|
primaries.red.y = ((retProperty[0x1c] << 2) |
|
|
(retProperty[0x19] >> 4 & 3)) / 1024.0;
|
|
primaries.red.Y = 1.0;
|
|
|
|
primaries.green.x = ((retProperty[0x1d] << 2) |
|
|
(retProperty[0x19] >> 2 & 3)) / 1024.0;
|
|
primaries.green.y = ((retProperty[0x1e] << 2) |
|
|
(retProperty[0x19] >> 0 & 3)) / 1024.0;
|
|
primaries.green.Y = 1.0;
|
|
|
|
primaries.blue.x = ((retProperty[0x1f] << 2) |
|
|
(retProperty[0x1a] >> 6 & 3)) / 1024.0;
|
|
primaries.blue.y = ((retProperty[0x20] << 2) |
|
|
(retProperty[0x1a] >> 4 & 3)) / 1024.0;
|
|
primaries.blue.Y = 1.0;
|
|
|
|
XFree(retProperty);
|
|
|
|
#ifdef DEBUG_tor
|
|
fprintf(stderr, "EDID gamma: %f\n", gamma);
|
|
fprintf(stderr, "EDID whitepoint: %f %f %f\n",
|
|
whitePoint.x, whitePoint.y, whitePoint.Y);
|
|
fprintf(stderr, "EDID primaries: [%f %f %f] [%f %f %f] [%f %f %f]\n",
|
|
primaries.Red.x, primaries.Red.y, primaries.Red.Y,
|
|
primaries.Green.x, primaries.Green.y, primaries.Green.Y,
|
|
primaries.Blue.x, primaries.Blue.y, primaries.Blue.Y);
|
|
#endif
|
|
|
|
qcms_profile* profile =
|
|
qcms_profile_create_rgb_with_gamma(whitePoint, primaries, gamma);
|
|
|
|
#ifdef DEBUG_tor
|
|
if (profile) {
|
|
fprintf(stderr,
|
|
"ICM profile read from %s successfully\n",
|
|
EDID1_ATOM_NAME);
|
|
}
|
|
#endif
|
|
|
|
return profile;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
#ifndef MOZ_PANGO
|
|
FT_Library
|
|
gfxPlatformGtk::GetFTLibrary()
|
|
{
|
|
return gPlatformFTLibrary;
|
|
}
|
|
|
|
FontFamily *
|
|
gfxPlatformGtk::FindFontFamily(const nsAString& aName)
|
|
{
|
|
nsAutoString name(aName);
|
|
ToLowerCase(name);
|
|
|
|
nsRefPtr<FontFamily> ff;
|
|
if (!gPlatformFonts->Get(name, &ff)) {
|
|
return nullptr;
|
|
}
|
|
return ff.get();
|
|
}
|
|
|
|
FontEntry *
|
|
gfxPlatformGtk::FindFontEntry(const nsAString& aName, const gfxFontStyle& aFontStyle)
|
|
{
|
|
nsRefPtr<FontFamily> ff = FindFontFamily(aName);
|
|
if (!ff)
|
|
return nullptr;
|
|
|
|
return ff->FindFontEntry(aFontStyle);
|
|
}
|
|
|
|
static PLDHashOperator
|
|
FindFontForCharProc(nsStringHashKey::KeyType aKey,
|
|
nsRefPtr<FontFamily>& aFontFamily,
|
|
void* aUserArg)
|
|
{
|
|
GlobalFontMatch *data = (GlobalFontMatch*)aUserArg;
|
|
aFontFamily->FindFontForChar(data);
|
|
return PL_DHASH_NEXT;
|
|
}
|
|
|
|
already_AddRefed<gfxFont>
|
|
gfxPlatformGtk::FindFontForChar(uint32_t aCh, gfxFont *aFont)
|
|
{
|
|
if (!gPlatformFonts || !gCodepointsWithNoFonts)
|
|
return nullptr;
|
|
|
|
// is codepoint with no matching font? return null immediately
|
|
if (gCodepointsWithNoFonts->test(aCh)) {
|
|
return nullptr;
|
|
}
|
|
|
|
GlobalFontMatch data(aCh, GetScriptCode(aCh),
|
|
(aFont ? aFont->GetStyle() : nullptr));
|
|
|
|
// find fonts that support the character
|
|
gPlatformFonts->Enumerate(FindFontForCharProc, &data);
|
|
|
|
if (data.mBestMatch) {
|
|
nsRefPtr<gfxFT2Font> font =
|
|
gfxFT2Font::GetOrMakeFont(static_cast<FontEntry*>(data.mBestMatch.get()),
|
|
aFont->GetStyle());
|
|
gfxFont* ret = font.forget().get();
|
|
return already_AddRefed<gfxFont>(ret);
|
|
}
|
|
|
|
// no match? add to set of non-matching codepoints
|
|
gCodepointsWithNoFonts->set(aCh);
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
gfxPlatformGtk::GetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<gfxFontEntry> > *aFontEntryList)
|
|
{
|
|
return gPrefFonts->Get(aKey, aFontEntryList);
|
|
}
|
|
|
|
void
|
|
gfxPlatformGtk::SetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<gfxFontEntry> >& aFontEntryList)
|
|
{
|
|
gPrefFonts->Put(aKey, aFontEntryList);
|
|
}
|
|
#endif
|
|
|
|
#if (MOZ_WIDGET_GTK == 2)
|
|
void
|
|
gfxPlatformGtk::SetGdkDrawable(gfxASurface *target,
|
|
GdkDrawable *drawable)
|
|
{
|
|
if (target->CairoStatus())
|
|
return;
|
|
|
|
g_object_ref(drawable);
|
|
|
|
cairo_surface_set_user_data (target->CairoSurface(),
|
|
&cairo_gdk_drawable_key,
|
|
drawable,
|
|
g_object_unref);
|
|
}
|
|
|
|
GdkDrawable *
|
|
gfxPlatformGtk::GetGdkDrawable(gfxASurface *target)
|
|
{
|
|
if (target->CairoStatus())
|
|
return NULL;
|
|
|
|
GdkDrawable *result;
|
|
|
|
result = (GdkDrawable*) cairo_surface_get_user_data (target->CairoSurface(),
|
|
&cairo_gdk_drawable_key);
|
|
if (result)
|
|
return result;
|
|
|
|
#ifdef MOZ_X11
|
|
if (target->GetType() != gfxASurface::SurfaceTypeXlib)
|
|
return NULL;
|
|
|
|
gfxXlibSurface *xs = static_cast<gfxXlibSurface*>(target);
|
|
|
|
// try looking it up in gdk's table
|
|
result = (GdkDrawable*) gdk_xid_table_lookup(xs->XDrawable());
|
|
if (result) {
|
|
SetGdkDrawable(target, result);
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
TemporaryRef<ScaledFont>
|
|
gfxPlatformGtk::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
|
|
{
|
|
NativeFont nativeFont;
|
|
if (aTarget->GetType() == BACKEND_CAIRO) {
|
|
nativeFont.mType = NATIVE_FONT_CAIRO_FONT_FACE;
|
|
nativeFont.mFont = NULL;
|
|
return Factory::CreateScaledFontWithCairo(nativeFont, aFont->GetAdjustedSize(), aFont->GetCairoScaledFont());
|
|
}
|
|
NS_ASSERTION(aFont->GetType() == gfxFont::FONT_TYPE_FT2, "Expecting Freetype font");
|
|
nativeFont.mType = NATIVE_FONT_SKIA_FONT_FACE;
|
|
nativeFont.mFont = static_cast<gfxFT2FontBase*>(aFont)->GetFontOptions();
|
|
return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize());
|
|
}
|