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[not part of build] An assortment of glue functions for calling Core Graphics (Quartz) on Mac OS X.
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gfx/src/mac/nsCoreGraphicsGlue.cpp
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gfx/src/mac/nsCoreGraphicsGlue.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick C. Beard <beard@netscape.com>
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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nsCoreGraphicsGlue.cpp
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Glue routines for Core Graphics on Mac OS X.
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by Patrick C. Beard.
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*/
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#include <size_t.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <CFURL.h>
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#include <CFBundle.h>
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#include <CFString.h>
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#include <MacErrors.h>
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#include <Gestalt.h>
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#include <Fonts.h>
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#include <CGAffineTransform.h>
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static CFBundleRef getBundle(CFStringRef frameworkPath)
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{
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CFBundleRef bundle = NULL;
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// Make a CFURLRef from the CFString representation of the bundle's path.
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// See the Core Foundation URL Services chapter for details.
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CFURLRef bundleURL = CFURLCreateWithFileSystemPath(NULL, frameworkPath, kCFURLPOSIXPathStyle, true);
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if (bundleURL != NULL) {
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bundle = CFBundleCreate(NULL, bundleURL);
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if (bundle != NULL)
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CFBundleLoadExecutable(bundle);
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CFRelease(bundleURL);
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}
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return bundle;
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}
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static void* getSystemFunction(CFStringRef functionName)
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{
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static CFBundleRef systemBundle = getBundle(CFSTR("/System/Library/Frameworks/System.framework"));
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if (systemBundle) return CFBundleGetFunctionPointerForName(systemBundle, functionName);
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return NULL;
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}
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static void* getQuartzFunction(CFStringRef functionName)
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{
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static CFBundleRef quartzBundle = getBundle(CFSTR("/System/Library/Frameworks/ApplicationServices.framework"));
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if (quartzBundle) return CFBundleGetFunctionPointerForName(quartzBundle, functionName);
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return NULL;
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}
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// Useful Carbon-CFM debugging tool, printf that goes to the system console.
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typedef int (*vprintf_proc_ptr) (const char* format, va_list args);
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static vprintf_proc_ptr system_vprintf = (vprintf_proc_ptr) getSystemFunction(CFSTR("vprintf"));
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int std::printf(const char* format, ...)
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{
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int rv = 0;
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va_list args;
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va_start(args, format);
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if (system_vprintf)
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rv = system_vprintf(format, args);
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va_end(args);
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return rv;
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}
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// Dynamically loaded functions exported from ApplicationServices.framework.
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#define quartz_proc_ptr(name) \
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Quartz_ ## name ## _proc_ptr
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#define quartz_func(name) \
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Quartz_ ## name
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#define decl_quartz_func(r_type, name, args) \
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typedef r_type (*quartz_proc_ptr(name)) args; \
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static quartz_proc_ptr(name) quartz_func(name) = (quartz_proc_ptr(name)) getQuartzFunction(CFSTR(#name)); \
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r_type name args
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#define call_quartz_func(name, args, err) \
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return (quartz_func(name) ? quartz_func(name) args : err)
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#define call_quartz_proc(name, args) \
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if (quartz_func(name)) quartz_func(name) args
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decl_quartz_func(OSStatus, QDBeginCGContext, (CGrafPtr inPort, CGContextRef * outContext))
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{
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call_quartz_func(QDBeginCGContext, (inPort, outContext), cfragNoSymbolErr);
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}
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decl_quartz_func(OSStatus, QDEndCGContext, (CGrafPtr inPort, CGContextRef * inoutContext))
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{
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call_quartz_func(QDEndCGContext, (inPort, inoutContext), cfragNoSymbolErr);
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}
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decl_quartz_func(OSStatus, ClipCGContextToRegion, (CGContextRef ctx, const Rect * portRect, RgnHandle region))
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{
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call_quartz_func(ClipCGContextToRegion, (ctx, portRect, region), cfragNoSymbolErr);
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}
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decl_quartz_func(void, CGContextScaleCTM, (CGContextRef ctx, float sx, float sy))
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{
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call_quartz_proc(CGContextScaleCTM, (ctx, sx, sy));
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}
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decl_quartz_func(void, CGContextTranslateCTM, (CGContextRef ctx, float tx, float ty))
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{
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call_quartz_proc(CGContextTranslateCTM, (ctx, tx, ty));
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}
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decl_quartz_func(void, CGContextBeginPath, (CGContextRef ctx))
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{
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call_quartz_proc(CGContextBeginPath, (ctx));
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}
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decl_quartz_func(void, CGContextMoveToPoint, (CGContextRef ctx, float x, float y))
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{
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call_quartz_proc(CGContextMoveToPoint, (ctx, x, y));
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}
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decl_quartz_func(void, CGContextAddLineToPoint, (CGContextRef ctx, float x, float y))
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{
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call_quartz_proc(CGContextAddLineToPoint, (ctx, x, y));
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}
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decl_quartz_func(void, CGContextAddLines, (CGContextRef ctx, const CGPoint points[], size_t count))
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{
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call_quartz_proc(CGContextAddLines, (ctx, points, count));
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}
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decl_quartz_func(void, CGContextFillRect, (CGContextRef ctx, CGRect rect))
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{
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call_quartz_proc(CGContextFillRect, (ctx, rect));
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}
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decl_quartz_func(void, CGContextStrokeRect, (CGContextRef ctx, CGRect rect))
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{
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call_quartz_proc(CGContextStrokeRect, (ctx, rect));
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}
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decl_quartz_func(void, CGContextSetRGBFillColor, (CGContextRef ctx, float r, float g, float b, float alpha))
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{
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call_quartz_proc(CGContextSetRGBFillColor, (ctx, r, g, b, alpha));
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}
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decl_quartz_func(void, CGContextSetRGBStrokeColor, (CGContextRef ctx, float r, float g, float b, float alpha))
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{
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call_quartz_proc(CGContextSetRGBStrokeColor, (ctx, r, g, b, alpha));
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}
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decl_quartz_func(void, CGContextSetFont, (CGContextRef ctx, CGFontRef font))
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{
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call_quartz_proc(CGContextSetFont, (ctx, font));
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}
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decl_quartz_func(void, CGContextSetFontSize, (CGContextRef ctx, float size))
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{
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call_quartz_proc(CGContextSetFontSize, (ctx, size));
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}
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decl_quartz_func(void, CGContextSelectFont, (CGContextRef ctx, const char * name, float size, CGTextEncoding textEncoding))
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{
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call_quartz_proc(CGContextSelectFont, (ctx, name, size, textEncoding));
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}
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decl_quartz_func(void, CGContextShowText, (CGContextRef ctx, const char * cstring, size_t length))
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{
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call_quartz_proc(CGContextShowText, (ctx, cstring, length));
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}
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decl_quartz_func(void, CGContextShowTextAtPoint, (CGContextRef ctx, float x, float y, const char * cstring, size_t length))
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{
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call_quartz_proc(CGContextShowTextAtPoint, (ctx, x, y, cstring, length));
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}
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decl_quartz_func(void, CGContextSetTextMatrix, (CGContextRef ctx, CGAffineTransform transform))
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{
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call_quartz_proc(CGContextSetTextMatrix, (ctx, transform));
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}
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decl_quartz_func(CGAffineTransform, CGContextGetTextMatrix, (CGContextRef ctx))
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{
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CGAffineTransform transform = { 0.0 };
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call_quartz_func(CGContextGetTextMatrix, (ctx), transform);
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}
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decl_quartz_func(CGAffineTransform, CGAffineTransformScale, (CGAffineTransform t, float sx, float sy))
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{
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call_quartz_func(CGAffineTransformScale, (t, sx, sy), t);
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}
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decl_quartz_func(CGAffineTransform, CGAffineTransformTranslate, (CGAffineTransform t, float tx, float ty))
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{
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call_quartz_func(CGAffineTransformTranslate, (t, tx, ty), t);
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}
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