diff options
Diffstat (limited to 'webkit/port/platform/UniscribeStateTextRun.cpp')
| -rw-r--r-- | webkit/port/platform/UniscribeStateTextRun.cpp | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/webkit/port/platform/UniscribeStateTextRun.cpp b/webkit/port/platform/UniscribeStateTextRun.cpp deleted file mode 100644 index 25d79c1..0000000 --- a/webkit/port/platform/UniscribeStateTextRun.cpp +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" - -#include "UniscribeStateTextRun.h" - -#include "ChromiumBridge.h" -#include "Font.h" -#include "SimpleFontData.h" - -UniscribeStateTextRun::UniscribeStateTextRun(const WebCore::TextRun& run, - const WebCore::Font& font) - : UniscribeState(run.characters(), run.length(), run.rtl(), - font.primaryFont()->platformData().hfont(), - font.primaryFont()->platformData().scriptCache(), - font.primaryFont()->platformData().scriptFontProperties()), - font_(&font), - font_index_(0) { - set_directional_override(run.directionalOverride()); - set_letter_spacing(font.letterSpacing()); - set_space_width(font.spaceWidth()); - set_word_spacing(font.wordSpacing()); - set_ascent(font.primaryFont()->ascent()); - - Init(); - - // Padding is the amount to add to make justification happen. This - // should be done after Init() so all the runs are already measured. - if (run.padding() > 0) - Justify(run.padding()); -} - -UniscribeStateTextRun::UniscribeStateTextRun( - const wchar_t* input, - int input_length, - bool is_rtl, - HFONT hfont, - SCRIPT_CACHE* script_cache, - SCRIPT_FONTPROPERTIES* font_properties) - : UniscribeState(input, input_length, is_rtl, hfont, - script_cache, font_properties), - font_(NULL), - font_index_(-1) { -} - -void UniscribeStateTextRun::TryToPreloadFont(HFONT font) { - // Ask the browser to get the font metrics for this font. - // That will preload the font and it should now be accessible - // from the renderer. - WebCore::ChromiumBridge::ensureFontLoaded(font); -} - -bool UniscribeStateTextRun::NextWinFontData( - HFONT* hfont, - SCRIPT_CACHE** script_cache, - SCRIPT_FONTPROPERTIES** font_properties, - int* ascent) { - // This check is necessary because NextWinFontData can be - // called again after we already ran out of fonts. fontDataAt - // behaves in a strange manner when the difference between - // param passed and # of fonts stored in WebKit::Font is - // larger than one. We can avoid this check by setting - // font_index_ to # of elements in hfonts_ when we run out - // of font. In that case, we'd have to go through a couple of - // more checks before returning false. - if (font_index_ == -1 || !font_) - return false; - - // If the font data for a fallback font requested is not - // yet retrieved, add them to our vectors. Note that '>' rather - // than '>=' is used to test that condition. primaryFont is not - // stored in hfonts_, and friends so that indices for fontDataAt - // and our vectors for font data are 1 off from each other. - // That is, when fully populated, hfonts_ and friends have - // one font fewer than what's contained in font_. - if (static_cast<size_t>(++font_index_) > hfonts_->size()) { - const WebCore::FontData *font_data; - font_data = font_->fontDataAt(font_index_); - if (!font_data) { - // run out of fonts - font_index_ = -1; - return false; - } - - // TODO(ericroman): this won't work for SegmentedFontData - // http://b/issue?id=1007335 - const WebCore::SimpleFontData* simple_font_data = - font_data->fontDataForCharacter(' '); - - hfonts_->push_back(simple_font_data->platformData().hfont()); - script_caches_->push_back(simple_font_data->platformData().scriptCache()); - font_properties_->push_back(simple_font_data->platformData().scriptFontProperties()); - ascents_->push_back(simple_font_data->ascent()); - } - - *hfont = hfonts_[font_index_ - 1]; - *script_cache = script_caches_[font_index_ - 1]; - *font_properties = font_properties_[font_index_ - 1]; - *ascent = ascents_[font_index_ - 1]; - return true; -} - -void UniscribeStateTextRun::ResetFontIndex() { - font_index_ = 0; -} |