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Diffstat (limited to 'canvas/source/cairo/cairo_quartz_cairo.cxx')
| -rw-r--r-- | canvas/source/cairo/cairo_quartz_cairo.cxx | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/canvas/source/cairo/cairo_quartz_cairo.cxx b/canvas/source/cairo/cairo_quartz_cairo.cxx deleted file mode 100644 index 8da24f3391dd..000000000000 --- a/canvas/source/cairo/cairo_quartz_cairo.cxx +++ /dev/null @@ -1,331 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#if defined MACOSX || defined IOS -/************************************************************************ - * Mac OS X/Quartz and iOS surface backend for LibreOffice Cairo Canvas * - ************************************************************************/ - -#include <osl/diagnose.h> -#include <vcl/sysdata.hxx> -#include <vcl/bitmap.hxx> -#include <vcl/virdev.hxx> - -#include "cairo_cairo.hxx" - -#if defined CAIRO_HAS_QUARTZ_SURFACE - -#include "cairo_quartz_cairo.hxx" - -namespace cairo -{ - /** - * QuartzSurface::Surface: Create generic Canvas surface using given Cairo Surface - * - * @param pSurface Cairo Surface - * - * This constructor only stores data, it does no processing. - * It is used with e.g. cairo_image_surface_create_for_data() - * and QuartzSurface::getSimilar() - * - * Set the mpSurface to the new surface or NULL - **/ - QuartzSurface::QuartzSurface( const CairoSurfaceSharedPtr& pSurface ) : - mpView(NULL), - mpSurface( pSurface ) - { - // Necessary, context is lost otherwise - CGContextRetain( getCGContext() ); // == NULL for non-native surfaces - } - - /** - * QuartzSurface::Surface: Create Canvas surface from Window reference. - * @param NSView - * @param x horizontal location of the new surface - * @param y vertical location of the new surface - * @param width width of the new surface - * @param height height of the new surface - * - * pSysData contains the platform native Window reference. - * pSysData is used to create a surface on the Window - * - * Set the mpSurface to the new surface or NULL - **/ - QuartzSurface::QuartzSurface( NSView* pView, int x, int y, int width, int height ) : - mpView(pView), - mpSurface() - { - OSL_TRACE("Canvas::cairo::Surface(NSView*, x:%d, y:%d, w:%d, h:%d): New Surface for window", x, y, width, height); - - // on Mac OS X / Quartz we are not drawing directly to the screen, but via regular CGContextRef. - // The actual drawing to NSView (i.e. screen) is done in QuartzSurface::flush() - - // HACK: currently initial size for windowsurface is 0x0, which is not possible for us. - if (width == 0 || height == 0) { - width = [mpView bounds].size.width; - height = [mpView bounds].size.height; - OSL_TRACE("Canvas::cairo::Surface(): BUG!! size is ZERO! fixing to %d x %d...", width, height); - } - - // create a generic surface, NSView/Window is ARGB32. - mpSurface.reset( - cairo_quartz_surface_create(CAIRO_FORMAT_ARGB32, width, height), - &cairo_surface_destroy); - - cairo_surface_set_device_offset( mpSurface.get(), x, y ); - } - - /** - * QuartzSurface::Surface: Create Canvas surface from CGContextRef. - * @param CGContext Native graphics context - * @param x horizontal location of the new surface - * @param y vertical location of the new surface - * @param width width of the new surface - * @param height height of the new surface - * - * Set the mpSurface to the new surface or NULL - **/ - QuartzSurface::QuartzSurface( CGContextRef rContext, int x, int y, int width, int height ) : - mpView(NULL), - mpSurface() - { - OSL_TRACE("Canvas::cairo::Surface(CGContext:%p, x:%d, y:%d, w:%d, h:%d): New Surface.", rContext, x, y, width, height); - // create surface based on CGContext - - // ensure kCGBitmapByteOrder32Host flag, otherwise Cairo breaks (we are practically always using CGBitmapContext) - OSL_ASSERT ((CGBitmapContextGetBitsPerPixel(rContext) != 32) || - (CGBitmapContextGetBitmapInfo(rContext) & kCGBitmapByteOrderMask) == kCGBitmapByteOrder32Host); - - mpSurface.reset(cairo_quartz_surface_create_for_cg_context(rContext, width, height), - &cairo_surface_destroy); - - cairo_surface_set_device_offset( mpSurface.get(), x, y ); - - // Necessary, context is lost otherwise - CGContextRetain(rContext); - } - - - /** - * QuartzSurface::getCairo: Create Cairo (drawing object) for the Canvas surface - * - * @return new Cairo or NULL - **/ - CairoSharedPtr QuartzSurface::getCairo() const - { - if (mpSurface.get()) - { - return CairoSharedPtr( cairo_create(mpSurface.get()), - &cairo_destroy ); - } - else - { - return CairoSharedPtr(); - } - } - - /** - * QuartzSurface::getSimilar: Create new similar Canvas surface - * @param aContent format of the new surface (cairo_content_t from cairo/src/cairo.h) - * @param width width of the new surface - * @param height height of the new surface - * - * Creates a new Canvas surface. This normally creates platform native surface, even though - * generic function is used. - * - * Cairo surface from aContent (cairo_content_t) - * - * @return new surface or NULL - **/ - SurfaceSharedPtr QuartzSurface::getSimilar( Content aContent, int width, int height ) const - { - return SurfaceSharedPtr( - new QuartzSurface( - CairoSurfaceSharedPtr( - cairo_surface_create_similar( mpSurface.get(), aContent, width, height ), - &cairo_surface_destroy ))); - } - - /** - * QuartzSurface::flush: Draw the data to screen - **/ - void QuartzSurface::flush() const - { - // can only flush surfaces with NSView - if( !mpView ) - return; - - OSL_TRACE("Canvas::cairo::QuartzSurface::flush(): flush to NSView"); - - CGContextRef mrContext = getCGContext(); - - if (!mrContext) - return; -#ifndef IOS - [mpView lockFocus]; -#endif - -#ifndef IOS - /** - * This code is using same screen update code as in VCL (esp. AquaSalGraphics::UpdateWindow() ) - */ - CGContextRef rViewContext = reinterpret_cast<CGContextRef>([[NSGraphicsContext currentContext] graphicsPort]); -#else - // Just guessing for now... - CGContextRef rViewContext = UIGraphicsGetCurrentContext(); -#endif - CGImageRef xImage = CGBitmapContextCreateImage(mrContext); - CGContextDrawImage(rViewContext, - CGRectMake( 0, 0, - CGImageGetWidth(xImage), - CGImageGetHeight(xImage)), - xImage); - CGImageRelease( xImage ); - CGContextFlush( rViewContext ); -#ifndef IOS - [mpView unlockFocus]; -#endif - } - - /** - * QuartzSurface::getDepth: Get the color depth of the Canvas surface. - * - * @return color depth - **/ - int QuartzSurface::getDepth() const - { - if (mpSurface.get()) - { - switch (cairo_surface_get_content (mpSurface.get())) - { - case CAIRO_CONTENT_ALPHA: return 8; break; - case CAIRO_CONTENT_COLOR: return 24; break; - case CAIRO_CONTENT_COLOR_ALPHA: return 32; break; - } - } - OSL_TRACE("Canvas::cairo::QuartzSurface::getDepth(): ERROR - depth unspecified!"); - - return -1; - } - - /** - * QuartzSurface::getCGContext: Get the native CGContextRef of the Canvas's cairo surface - * - * @return graphics context - **/ - CGContextRef QuartzSurface::getCGContext() const - { - if (mpSurface.get()) - return cairo_quartz_surface_get_cg_context(mpSurface.get()); - else - return NULL; - } - - /** - * cairo::createVirtualDevice: Create a VCL virtual device for the CGContext in the cairo Surface - * - * @return The new virtual device - **/ - boost::shared_ptr<VirtualDevice> QuartzSurface::createVirtualDevice() const - { - SystemGraphicsData aSystemGraphicsData; - aSystemGraphicsData.nSize = sizeof(SystemGraphicsData); - aSystemGraphicsData.rCGContext = getCGContext(); - return boost::shared_ptr<VirtualDevice>( - new VirtualDevice( &aSystemGraphicsData, Size(1, 1), getDepth() )); - } - - /** - * cairo::createSurface: Create generic Canvas surface using given Cairo Surface - * - * @param rSurface Cairo Surface - * - * @return new Surface - */ - SurfaceSharedPtr createSurface( const CairoSurfaceSharedPtr& rSurface ) - { - return SurfaceSharedPtr(new QuartzSurface(rSurface)); - } - - /** - * cairo::createSurface: Create Canvas surface using given VCL Window or Virtualdevice - * - * @param rSurface Cairo Surface - * - * For VCL Window, use platform native system environment data (struct SystemEnvData in vcl/inc/sysdata.hxx) - * For VCL Virtualdevice, use platform native system graphics data (struct SystemGraphicsData in vcl/inc/sysdata.hxx) - * - * @return new Surface - */ - SurfaceSharedPtr createSurface( const OutputDevice& rRefDevice, - int x, int y, int width, int height ) - { - SurfaceSharedPtr surf; - - if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW ) - { - const vcl::Window &rWindow = (const vcl::Window &) rRefDevice; - const SystemEnvData* pSysData = GetSysData(&rWindow); - if (pSysData) - surf = SurfaceSharedPtr(new QuartzSurface(pSysData->pView, x, y, width, height)); - } - else if( rRefDevice.GetOutDevType() == OUTDEV_VIRDEV ) - { - SystemGraphicsData aSysData = ((const VirtualDevice&) rRefDevice).GetSystemGfxData(); - - if (aSysData.rCGContext) - surf = SurfaceSharedPtr(new QuartzSurface(aSysData.rCGContext, x, y, width, height)); - } - return surf; - } - - /** - * cairo::createBitmapSurface: Create platform native Canvas surface from BitmapSystemData - * @param OutputDevice (not used) - * @param rData Platform native image data (struct BitmapSystemData in vcl/inc/bitmap.hxx) - * @param rSize width and height of the new surface - * - * Create a surface based on image data on rData - * - * @return new surface or empty surface - **/ - SurfaceSharedPtr createBitmapSurface( const OutputDevice& /* rRefDevice */, - const BitmapSystemData& rData, - const Size& rSize ) - { - OSL_TRACE( "requested size: %d x %d available size: %d x %d", - rSize.Width(), rSize.Height(), rData.mnWidth, rData.mnHeight ); - - if ( rData.mnWidth == rSize.Width() && rData.mnHeight == rSize.Height() ) - { - CGContextRef rContext = (CGContextRef)rData.rImageContext; - OSL_TRACE("Canvas::cairo::createBitmapSurface(): New native image surface, context = %p.", rData.rImageContext); - - return SurfaceSharedPtr(new QuartzSurface(rContext, 0, 0, rData.mnWidth, rData.mnHeight)); - } - return SurfaceSharedPtr(); - } - -} // namespace cairo - -#endif // CAIRO_HAS_QUARTZ_SURFACE - -#endif // QUARTZ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |