| /* |
| * Copyright (C) 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 "WebKitGraphics.h" |
| |
| #include "WebKit.h" |
| #include "WebKitDLL.h" |
| |
| #pragma warning(push, 0) |
| #include <WebCore/CharacterNames.h> |
| #include <WebCore/Font.h> |
| #include <WebCore/FontDatabase.h> |
| #include <WebCore/FontDescription.h> |
| #include <WebCore/FontSelector.h> |
| #include <WebCore/GraphicsContext.h> |
| #include <WebCore/PlatformString.h> |
| #include <WebCore/StringTruncator.h> |
| #include <WebCore/WebCoreTextRenderer.h> |
| |
| #include <CoreGraphics/CoreGraphics.h> |
| #pragma warning(pop) |
| |
| #include <WebKitSystemInterface/WebKitSystemInterface.h> |
| |
| using namespace WebCore; |
| |
| static Font makeFont(const WebFontDescription& description) |
| { |
| AtomicString::init(); |
| populateFontDatabase(); |
| |
| String fontFamilyString(description.family, description.familyLength); |
| |
| FontDescription f; |
| FontFamily family; |
| family.setFamily(fontFamilyString); |
| f.setFamily(family); |
| f.setSpecifiedSize(description.size); |
| f.setComputedSize(description.size); |
| f.setItalic(description.italic); |
| f.setBold(description.bold); |
| f.setIsAbsoluteSize(true); |
| |
| Font font(f, 0, 0); |
| font.update(0); |
| |
| return font; |
| } |
| |
| void DrawTextAtPoint(CGContextRef cgContext, LPCTSTR text, int length, POINT point, const WebFontDescription& description, CGColorRef color, int underlinedIndex, bool drawAsPassword) |
| { |
| GraphicsContext context(cgContext); |
| |
| String drawString(text, length); |
| if (drawAsPassword) |
| drawString = drawString.impl()->secure(WebCore::bullet); |
| WebCoreDrawTextAtPoint(context, drawString, point, makeFont(description), color, underlinedIndex); |
| } |
| |
| void WebDrawText(WebTextRenderInfo* info) |
| { |
| if (!info || info->structSize != sizeof(WebTextRenderInfo) || !info->cgContext || !info->description) |
| return; |
| |
| int oldFontSmoothingLevel = -1; |
| if (info->overrideSmoothingLevel >= 0) { |
| oldFontSmoothingLevel = wkGetFontSmoothingLevel(); |
| wkSetFontSmoothingLevel(info->overrideSmoothingLevel); |
| } |
| |
| DrawTextAtPoint(info->cgContext, info->text, info->length, info->pt, *(info->description), info->color, info->underlinedIndex, info->drawAsPassword); |
| |
| if (info->overrideSmoothingLevel >= 0) |
| wkSetFontSmoothingLevel(oldFontSmoothingLevel); |
| } |
| |
| float TextFloatWidth(LPCTSTR text, int length, const WebFontDescription& description) |
| { |
| return WebCoreTextFloatWidth(String(text, length), makeFont(description)); |
| } |
| |
| void FontMetrics(const WebFontDescription& description, int* ascent, int* descent, int* lineSpacing) |
| { |
| if (!ascent && !descent && !lineSpacing) |
| return; |
| |
| Font font(makeFont(description)); |
| |
| if (ascent) |
| *ascent = font.ascent(); |
| |
| if (descent) |
| *descent = font.descent(); |
| |
| if (lineSpacing) |
| *lineSpacing = font.lineSpacing(); |
| } |
| |
| unsigned CenterTruncateStringToWidth(LPCTSTR text, int length, const WebFontDescription& description, float width, WCHAR* buffer) |
| { |
| ASSERT(buffer); |
| |
| String result = StringTruncator::centerTruncate(String(text, length), width, makeFont(description), false); |
| memcpy(buffer, result.characters(), result.length() * sizeof(UChar)); |
| buffer[result.length()] = '\0'; |
| return result.length(); |
| } |
| |
| unsigned RightTruncateStringToWidth(LPCTSTR text, int length, const WebFontDescription& description, float width, WCHAR* buffer) |
| { |
| ASSERT(buffer); |
| |
| String result = StringTruncator::rightTruncate(String(text, length), width, makeFont(description), false); |
| memcpy(buffer, result.characters(), result.length() * sizeof(UChar)); |
| buffer[result.length()] = '\0'; |
| return result.length(); |
| } |
| |
| void WebKitSetShouldUseFontSmoothing(bool smooth) |
| { |
| WebCoreSetShouldUseFontSmoothing(smooth); |
| } |
| |
| bool WebKitShouldUseFontSmoothing() |
| { |
| return WebCoreShouldUseFontSmoothing(); |
| } |