| /* |
| * Copyright (C) 2006 Apple Computer, 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. |
| */ |
| |
| #import "config.h" |
| #import "WebCoreTextRenderer.h" |
| |
| #import "Font.h" |
| #import "SimpleFontData.h" |
| #import "GraphicsContext.h" |
| #import "IntPoint.h" |
| #import "WebFontCache.h" |
| |
| using namespace WebCore; |
| |
| void WebCoreDrawTextAtPoint(const UniChar* buffer, unsigned length, NSPoint point, NSFont* font, NSColor* textColor) |
| { |
| NSGraphicsContext *nsContext = [NSGraphicsContext currentContext]; |
| CGContextRef cgContext = (CGContextRef)[nsContext graphicsPort]; |
| GraphicsContext graphicsContext(cgContext); |
| // Safari doesn't flip the NSGraphicsContext before calling WebKit, yet WebCore requires a flipped graphics context. |
| BOOL flipped = [nsContext isFlipped]; |
| if (!flipped) |
| CGContextScaleCTM(cgContext, 1.0f, -1.0f); |
| |
| FontPlatformData f(font); |
| Font renderer(f, ![[NSGraphicsContext currentContext] isDrawingToScreen]); |
| TextRun run(buffer, length); |
| run.disableRoundingHacks(); |
| CGFloat red, green, blue, alpha; |
| [[textColor colorUsingColorSpaceName:NSDeviceRGBColorSpace] getRed:&red green:&green blue:&blue alpha:&alpha]; |
| graphicsContext.setFillColor(makeRGBA((int)(red * 255), (int)(green * 255), (int)(blue * 255), (int)(alpha * 255))); |
| renderer.drawText(&graphicsContext, run, FloatPoint(point.x, (flipped ? point.y : (-1.0f * point.y)))); |
| if (!flipped) |
| CGContextScaleCTM(cgContext, 1.0f, -1.0f); |
| } |
| |
| float WebCoreTextFloatWidth(const UniChar* buffer, unsigned length , NSFont* font) |
| { |
| FontPlatformData f(font); |
| Font renderer(f, ![[NSGraphicsContext currentContext] isDrawingToScreen]); |
| TextRun run(buffer, length); |
| run.disableRoundingHacks(); |
| return renderer.floatWidth(run); |
| } |
| |
| static bool gShouldUseFontSmoothing = true; |
| |
| void WebCoreSetShouldUseFontSmoothing(bool smooth) |
| { |
| gShouldUseFontSmoothing = smooth; |
| } |
| |
| bool WebCoreShouldUseFontSmoothing() |
| { |
| return gShouldUseFontSmoothing; |
| } |
| |
| void WebCoreSetAlwaysUseATSU(bool useATSU) |
| { |
| Font::setCodePath(useATSU ? Font::Complex : Font::Auto); |
| } |
| |
| NSFont* WebCoreFindFont(NSString* familyName, NSFontTraitMask traits, int size) |
| { |
| return [WebFontCache fontWithFamily:familyName traits:traits size:size]; |
| } |