You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
3.5 KiB
93 lines
3.5 KiB
//=========== Copyright Valve Corporation, All rights reserved. ===============//
|
|
//
|
|
// Purpose:
|
|
//=============================================================================//
|
|
|
|
#ifndef IIMAGESOURCE_H
|
|
#define IIMAGESOURCE_H
|
|
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
namespace panorama
|
|
{
|
|
|
|
enum EImageFormat
|
|
{
|
|
k_EImageFormatUnknown,
|
|
k_EImageFormatR8G8B8A8,
|
|
k_EImageFormatB8G8R8A8_PreMultiplied,
|
|
k_EImageFormatA8
|
|
};
|
|
|
|
class CPanel2D;
|
|
|
|
//
|
|
// Data source for image data used to render an asset
|
|
//
|
|
class IImageSource: public panorama::IUIJSObject
|
|
{
|
|
public:
|
|
virtual bool BIsValid() = 0;
|
|
virtual uint32 GetTextureID() = 0;
|
|
virtual int GetWidth() = 0;
|
|
virtual int GetHeight() = 0;
|
|
virtual EImageFormat ImageFormat() = 0;
|
|
virtual bool BIsAnimating() = 0;
|
|
|
|
// Ref counting
|
|
virtual int GetRefCount() = 0;
|
|
virtual int AddRef() = 0;
|
|
virtual int Release() = 0;
|
|
|
|
virtual const char *GetJSTypeName() { return "IImageSource"; }
|
|
|
|
#ifdef DBGFLAG_VALIDATE
|
|
virtual void Validate( CValidator &validator, const tchar *pchName ) = 0;
|
|
#endif
|
|
protected:
|
|
|
|
friend class CImageResourceManager;
|
|
};
|
|
|
|
|
|
//
|
|
// main interface to load images for display in the ui
|
|
//
|
|
const int k_ResizeNone = -1;
|
|
class IUIImageManager
|
|
{
|
|
public:
|
|
|
|
// load image data from a URL (file://blah, http://blah/bob.tga, etc), pchDefaultResourceURL may be null, and is what will be used while the real resource is loaded
|
|
// if it is set. As such it must be a local file. bPrioritizeLoad will make your request jump to the head of the queue if it is an image over HTTP, use sparingly!
|
|
// nResizeWidth and nResizeHeight do nothing if -1, if one is set and the other -1 the image is resized before being made into a texture, but aspect ratio is maintained
|
|
// with the specified dimension at the set size, if both are set the image will be stretched if needed.
|
|
virtual IImageSource *LoadImageFromURL( const IUIPanel *pPanel, const char *pchDefaultResourceURL, const char *pchResourceURL, bool bPrioritizeLoad, EImageFormat imgFormatOut, int32 nResizeWidth = k_ResizeNone, int32 nResizeHeight = k_ResizeNone, bool bAllowAnimation = true ) = 0;
|
|
|
|
// load image data from image file (png/jpg/tga) bytes you already have in memory, pchDefaultResourceURL may be null, and is what will be used while the real resource is loaded
|
|
// if it is set. As such it must be a local file.
|
|
virtual IImageSource *LoadImageFileFromMemory( const IUIPanel *pPanel, const char *pchResourceURLDefault, const CUtlBuffer &bufFile, int nResizeWidth = panorama::k_ResizeNone, int nResizeHeight = panorama::k_ResizeNone, bool bAllowAnimation = true ) = 0;
|
|
|
|
// load image data from RGBA bytes you already have in memory, pchDefaultResourceURL may be null, and is what will be used while the real resource is loaded
|
|
// if it is set. As such it must be a local file.
|
|
virtual IImageSource *LoadImageFromMemory( const IUIPanel *pPanel, const char *pchDefaultResourceURL, const CUtlBuffer &bufData, int nWide, int nTall, EImageFormat imgFormatIn = k_EImageFormatR8G8B8A8, int nResizeWidth = k_ResizeNone, int nResizeHeight = k_ResizeNone, bool bAllowAnimation = true ) = 0;
|
|
|
|
virtual CUtlString GetPchImageSourcePath( IImageSource *pImageSource ) = 0;
|
|
|
|
virtual void ReloadChangedImage( IImageSource *pImageToReload ) = 0;
|
|
|
|
virtual void ReloadChangedFile( const char *pchFile ) = 0;
|
|
|
|
#ifdef DBGFLAG_VALIDATE
|
|
virtual void Validate( CValidator &validator, const tchar *pchName ) = 0;
|
|
#endif
|
|
};
|
|
|
|
DECLARE_PANEL_EVENT1( ImageLoaded, IImageSource * );
|
|
DECLARE_PANEL_EVENT1( ImageFailedLoad, IImageSource * );
|
|
|
|
} // namespace panorama
|
|
|
|
#endif // IIMAGESOURCE_H
|