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Added on-demand image loading option to wxRTC.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76110 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2014-03-10 11:08:42 +00:00
parent 3772880ce6
commit cd3fc53163
7 changed files with 420 additions and 21 deletions
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55
interface/wx/richtext/richtextbuffer.h
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@@ -2123,9 +2123,35 @@ public:
bool GetImagesEnabled() const { return m_enableImages; }
/**
Set laying out flag
*/
void SetLayingOut(bool b) { m_layingOut = b; }
/**
Returns @true if laying out.
*/
bool GetLayingOut() const { return m_layingOut; }
/**
Enable or disable delayed image loading
*/
void EnableDelayedImageLoading(bool b) { m_enableDelayedImageLoading = b; }
/**
Returns @true if delayed image loading is enabled.
*/
bool GetDelayedImageLoading() const { return m_enableDelayedImageLoading; }
wxRichTextBuffer* m_buffer;
bool m_enableVirtualAttributes;
bool m_enableImages;
bool m_enableDelayedImageLoading;
bool m_layingOut;
};
/**
@@ -4671,11 +4697,38 @@ public:
/**
Creates a cached image at the required size.
*/
virtual bool LoadImageCache(wxDC& dc, wxRichTextDrawingContext& context, bool resetCache = false, const wxSize& parentSize = wxDefaultSize);
virtual bool LoadImageCache(wxDC& dc, wxRichTextDrawingContext& context, wxSize& retImageSize, bool resetCache = false, const wxSize& parentSize = wxDefaultSize);
/**
Do the loading and scaling
*/
virtual bool LoadAndScaleImageCache(wxImage& image, const wxSize& sz, bool delayLoading, bool& changed);
/**
Gets the original image size.
*/
wxSize GetOriginalImageSize() const { return m_originalImageSize; }
/**
Sets the original image size.
*/
void SetOriginalImageSize(const wxSize& sz) { m_originalImageSize = sz; }
/**
Gets the image state.
*/
int GetImageState() const { return m_imageState; }
/**
Sets the image state.
*/
void SetImageState(int state) { m_imageState = state; }
protected:
wxRichTextImageBlock m_imageBlock;
wxBitmap m_imageCache;
wxSize m_originalImageSize;
int m_imageState;
};
class wxRichTextCommand;