96 lines
4.3 KiB
C++
96 lines
4.3 KiB
C++
//====== Copyright <20> 1996-2008, Valve Corporation, All rights reserved. =======
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//
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// Purpose: public interface to user remote file storage in Steam
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//
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//=============================================================================
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#ifndef ISTEAMSCREENSHOTS_H
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#define ISTEAMSCREENSHOTS_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "isteamclient.h"
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const uint32 k_nScreenshotMaxTaggedUsers = 32;
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const uint32 k_nScreenshotMaxTaggedPublishedFiles = 32;
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const int k_cubUFSTagTypeMax = 255;
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const int k_cubUFSTagValueMax = 255;
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// Required with of a thumbnail provided to AddScreenshotToLibrary. If you do not provide a thumbnail
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// one will be generated.
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const int k_ScreenshotThumbWidth = 200;
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// Handle is valid for the lifetime of your process and no longer
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typedef uint32 ScreenshotHandle;
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#define INVALID_SCREENSHOT_HANDLE 0
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//-----------------------------------------------------------------------------
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// Purpose: Functions for adding screenshots to the user's screenshot library
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//-----------------------------------------------------------------------------
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class ISteamScreenshots
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{
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public:
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// Writes a screenshot to the user's screenshot library given the raw image data, which must be in RGB format.
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// The return value is a handle that is valid for the duration of the game process and can be used to apply tags.
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virtual ScreenshotHandle WriteScreenshot( void *pubRGB, uint32 cubRGB, int nWidth, int nHeight ) = 0;
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// Adds a screenshot to the user's screenshot library from disk. If a thumbnail is provided, it must be 200 pixels wide and the same aspect ratio
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// as the screenshot, otherwise a thumbnail will be generated if the user uploads the screenshot. The screenshots must be in either JPEG or TGA format.
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// The return value is a handle that is valid for the duration of the game process and can be used to apply tags.
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// JPEG, TGA, and PNG formats are supported.
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virtual ScreenshotHandle AddScreenshotToLibrary( const char *pchFilename, const char *pchThumbnailFilename, int nWidth, int nHeight ) = 0;
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// Causes the Steam overlay to take a screenshot. If screenshots are being hooked by the game then a ScreenshotRequested_t callback is sent back to the game instead.
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virtual void TriggerScreenshot() = 0;
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// Toggles whether the overlay handles screenshots when the user presses the screenshot hotkey, or the game handles them. If the game is hooking screenshots,
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// then the ScreenshotRequested_t callback will be sent if the user presses the hotkey, and the game is expected to call WriteScreenshot or AddScreenshotToLibrary
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// in response.
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virtual void HookScreenshots( bool bHook ) = 0;
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// Sets metadata about a screenshot's location (for example, the name of the map)
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virtual bool SetLocation( ScreenshotHandle hScreenshot, const char *pchLocation ) = 0;
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// Tags a user as being visible in the screenshot
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virtual bool TagUser( ScreenshotHandle hScreenshot, CSteamID steamID ) = 0;
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// Tags a published file as being visible in the screenshot
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virtual bool TagPublishedFile( ScreenshotHandle hScreenshot, PublishedFileId_t unPublishedFileID ) = 0;
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};
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#define STEAMSCREENSHOTS_INTERFACE_VERSION "STEAMSCREENSHOTS_INTERFACE_VERSION002"
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// callbacks
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#if defined( VALVE_CALLBACK_PACK_SMALL )
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#pragma pack( push, 4 )
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#elif defined( VALVE_CALLBACK_PACK_LARGE )
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#pragma pack( push, 8 )
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#else
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#error isteamclient.h must be included
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#endif
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//-----------------------------------------------------------------------------
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// Purpose: Screenshot successfully written or otherwise added to the library
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// and can now be tagged
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//-----------------------------------------------------------------------------
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struct ScreenshotReady_t
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{
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enum { k_iCallback = k_iSteamScreenshotsCallbacks + 1 };
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ScreenshotHandle m_hLocal;
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EResult m_eResult;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Screenshot has been requested by the user. Only sent if
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// HookScreenshots() has been called, in which case Steam will not take
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// the screenshot itself.
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//-----------------------------------------------------------------------------
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struct ScreenshotRequested_t
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{
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enum { k_iCallback = k_iSteamScreenshotsCallbacks + 2 };
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};
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#pragma pack( pop )
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#endif // ISTEAMSCREENSHOTS_H
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