| /* |
| * Copyright (C) 2007 Kevin Watters, Kevin Ollivier. 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 "FloatSize.h" |
| #include "GlyphBuffer.h" |
| #include "GraphicsContext.h" |
| #include "SimpleFontData.h" |
| #include <wtf/Vector.h> |
| |
| #include <ApplicationServices/ApplicationServices.h> |
| |
| #include <dlfcn.h> |
| |
| #include <wx/defs.h> |
| #include <wx/dcclient.h> |
| #include <wx/dcgraph.h> |
| #include <wx/gdicmn.h> |
| |
| |
| // Unfortunately we need access to a private function to get the character -> glyph conversion needed to |
| // allow us to use CGContextShowGlyphsWithAdvances |
| // Note that on < 10.5, the function is called CGFontGetGlyphsForUnicodes, so we need to detect and deal |
| // with this. |
| typedef void (*CGFontGetGlyphsForUnicharsPtr)(CGFontRef, const UniChar[], const CGGlyph[], size_t); |
| static CGFontGetGlyphsForUnicharsPtr CGFontGetGlyphsForUnichars = (CGFontGetGlyphsForUnicharsPtr)dlsym(RTLD_DEFAULT, "CGFontGetGlyphsForUnichars"); |
| |
| namespace WebCore { |
| |
| void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point) |
| { |
| graphicsContext->save(); |
| |
| wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext()); |
| |
| wxFont* wxfont = font->getWxFont(); |
| graphicsContext->setFillColor(graphicsContext->fillColor()); |
| |
| CGContextRef cgContext = static_cast<CGContextRef>(dc->GetGraphicsContext()->GetNativeContext()); |
| |
| CGFontRef cgFont; |
| |
| #ifdef wxOSX_USE_CORE_TEXT && wxOSX_USE_CORE_TEXT |
| cgFont = CTFontCopyGraphicsFont((CTFontRef)wxfont->OSXGetCTFont(), NULL); |
| #else |
| ATSFontRef fontRef; |
| |
| fontRef = FMGetATSFontRefFromFont(wxfont->MacGetATSUFontID()); |
| |
| if (fontRef) |
| cgFont = CGFontCreateWithPlatformFont((void*)&fontRef); |
| #endif |
| |
| CGContextSetFont(cgContext, cgFont); |
| |
| CGContextSetFontSize(cgContext, wxfont->GetPointSize()); |
| |
| CGFloat red, green, blue, alpha; |
| graphicsContext->fillColor().getRGBA(red, green, blue, alpha); |
| CGContextSetRGBFillColor(cgContext, red, green, blue, alpha); |
| |
| CGAffineTransform matrix = CGAffineTransformIdentity; |
| matrix.b = -matrix.b; |
| matrix.d = -matrix.d; |
| |
| CGContextSetTextMatrix(cgContext, matrix); |
| |
| CGContextSetTextPosition(cgContext, point.x(), point.y()); |
| |
| const FloatSize* advanceSizes = static_cast<const FloatSize*>(glyphBuffer.advances(from)); |
| int size = glyphBuffer.size() - from; |
| CGSize sizes[size]; |
| CGGlyph glyphs[numGlyphs]; |
| |
| // if the function doesn't exist, we're probably on tiger and need to grab the |
| // function under its old name, CGFontGetGlyphsForUnicodes |
| if (!CGFontGetGlyphsForUnichars) |
| CGFontGetGlyphsForUnichars = (CGFontGetGlyphsForUnicharsPtr)dlsym(RTLD_DEFAULT, "CGFontGetGlyphsForUnicodes"); |
| |
| // Let's make sure we got the function under one name or another! |
| ASSERT(CGFontGetGlyphsForUnichars); |
| CGFontGetGlyphsForUnichars(cgFont, glyphBuffer.glyphs(from), glyphs, numGlyphs); |
| |
| for (int i = 0; i < size; i++) { |
| FloatSize fsize = advanceSizes[i]; |
| sizes[i] = CGSizeMake(fsize.width(), fsize.height()); |
| } |
| |
| CGContextShowGlyphsWithAdvances(cgContext, glyphs, sizes, numGlyphs); |
| |
| if (cgFont) |
| CGFontRelease(cgFont); |
| graphicsContext->restore(); |
| } |
| |
| } |