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Simplify image creation with a new factory function: newImage().
GraphicsImage: now a pure virtual interface. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@26457 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -409,7 +409,6 @@ src_graphics_files = Split('''
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GraphicsCache.cpp
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GraphicsCacheItem.cpp
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GraphicsConverter.cpp
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GraphicsImage.cpp
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GraphicsLoader.cpp
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GraphicsParams.cpp
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PreviewImage.cpp
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@ -300,7 +300,6 @@ liblyxgraphics_la_SOURCES = \
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graphics/GraphicsConverter.h \
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graphics/GraphicsConverter.cpp \
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graphics/GraphicsImage.h \
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graphics/GraphicsImage.cpp \
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graphics/GraphicsLoader.h \
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graphics/GraphicsLoader.cpp \
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graphics/GraphicsParams.cpp \
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@ -693,10 +693,6 @@ GuiApplication::GuiApplication(int & argc, char ** argv)
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connect(this, SIGNAL(lastWindowClosed()), this, SLOT(onLastWindowClosed()));
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using namespace lyx::graphics;
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Image::newImage = boost::bind(&GuiImage::newImage);
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// needs to be done before reading lyxrc
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QWidget w;
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lyxrc.dpi = (w.logicalDpiX() + w.logicalDpiY()) / 2;
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@ -31,8 +31,8 @@ using namespace lyx::support;
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namespace lyx {
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namespace graphics {
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/// Access to this class is through this static method.
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Image * GuiImage::newImage()
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/// Implement factory method defined in GraphicsImage.h
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Image * newImage()
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{
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return new GuiImage;
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}
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@ -24,8 +24,10 @@ namespace graphics {
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class GuiImage : public Image
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{
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public:
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/// Access to this class is through this static method.
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static Image * newImage();
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/// Access to the class is through newImage() and clone.
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GuiImage();
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///
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GuiImage(GuiImage const &);
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/// Retrieve the rendered image.
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QImage const & image() const;
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@ -58,11 +60,6 @@ private:
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/// Scale the image using params.
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bool scale(Params const & params);
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/// Access to the class is through newImage() and clone.
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GuiImage();
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///
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GuiImage(GuiImage const &);
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/// The original loaded image.
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QImage original_;
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@ -291,7 +291,7 @@ bool CacheItem::Impl::loadImage()
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{
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LYXERR(Debug::GRAPHICS, "Loading image.");
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image_.reset(Image::newImage());
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image_.reset(newImage());
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bool success = image_->load(file_to_load_);
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string const text = success ? "succeeded" : "failed";
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@ -1,29 +0,0 @@
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/**
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* \file GraphicsImage.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Baruch Even
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* \author Angus Leeming
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* \author Herbert Voß
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "GraphicsImage.h"
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#include "GraphicsParams.h"
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#include "support/debug.h"
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namespace lyx {
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namespace graphics {
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// This is to be connected to a function that will return a new
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// instance of a viable derived class.
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boost::function<Image *()> Image::newImage;
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} // namespace graphics
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} // namespace lyx
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@ -26,11 +26,6 @@
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#include "Dimension.h"
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#include <boost/function.hpp>
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#include <boost/signal.hpp>
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#include <vector>
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namespace lyx {
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namespace support { class FileName; }
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@ -41,11 +36,6 @@ class Params;
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class Image {
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public:
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/** This is to be connected to a function that will return a new
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* instance of a viable derived class.
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*/
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static boost::function<Image *()> newImage;
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///
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virtual ~Image() {}
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@ -61,13 +51,6 @@ public:
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/// Is the image drawable ?
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virtual bool isDrawable() const = 0;
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/** At the end of the loading process inform the outside world
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* by emitting a signal
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*/
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typedef boost::signal<void(bool)> SignalType;
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///
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SignalType finishedLoading;
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/** Start loading the image file.
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* The caller should expect this process to be asynchronous and
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* so should connect to the "finished" signal above.
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@ -79,14 +62,11 @@ public:
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* Returns true if the pixmap is created.
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*/
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virtual bool setPixmap(Params const & params) = 0;
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protected:
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/// Must define default c-tor explicitly as we define a copy c-tor.
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Image() {}
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/// Don't copy the signal finishedLoading
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Image(Image const &) {}
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};
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/// Only way to create a new Image.
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/// Implemented in the frontend.
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Image * newImage();
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} // namespace graphics
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} // namespace lyx
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