56 lines
2.6 KiB
C
56 lines
2.6 KiB
C
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: jpeg functions
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//
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//=============================================================================
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#ifndef JPEGLOADER_H
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#define JPEGLOADER_H
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#include "tier0/platform.h"
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#include "tier1/utlbuffer.h"
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#include "Color.h"
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// Get dimensions out of jpeg header
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bool GetJpegDimensions( const byte *pubData, int cubData, uint32 &width, uint32 &height );
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// Convert Jpeg data to raw RGBA, pubData is the jpeg data, cubData is it's size, buf is for output, and width/height are output as well.
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// pcubUsed is an optional output param for how many bytes of data were used in the image
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bool ConvertJpegToRGBA( const byte *pubJpegData, int cubJpegData, CUtlBuffer &bufOutput, int &width, int &height, int *pcubUsed = NULL );
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// Convert Jpeg data to raw RGB, pubData is the jpeg data, cubData is it's size, buf is for output, and width/height are output as well.
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// pcubUsed is an optional output param for how many bytes of data were used in the image
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bool ConvertJpegToRGB( const byte *pubJpegData, int cubJpegData, CUtlBuffer &bufOutput, int &width, int &height, int *pcubUsed = NULL );
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// Write a Jpeg to disk, quality is 0-100
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bool ConvertRGBToJpeg( const char *pchFileOut, int quality, int width, int height, CUtlBuffer &bufRGB );
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// Write a Jpeg to a buffer, quality is 0-100
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bool ConvertRGBToJpeg( CUtlBuffer &bufOutput, int quality, int width, int height, CUtlBuffer &bufRGB );
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// Resize an RGB image using linear interpolation
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bool BResizeImageRGB( CUtlBuffer &bufRGB, int nWidth, int nHeight, int &nNewWidth, int &nNewHeight );
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// Resize an RGBA image using linear interpolation
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bool BResizeImageRGBA( CUtlBuffer &bufRGBA, int nWidth, int nHeight, int &nNewWidth, int &nNewHeight );
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// Convert an RGB image to RGBA with 100% opacity
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bool BConvertRGBToRGBA( CUtlBuffer &bufRGB, int nWidth, int nHeight );
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// Convert an RGBA image to RGB using opacity against a given solid background
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bool BConvertRGBAToRGB( CUtlBuffer &bufRGB, int nWidth, int nHeight, Color colorBG = Color(255,255,255) );
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#ifdef _PS3
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// PS3 PSN Avatars are PNG, so we have to support some similar functions on them. Should move
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// this to it's own pngloader.h someday when we really support PNG on all platforms.
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// Get dimensions out of PNG header
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bool GetPNGDimensions( const byte *pubData, int cubData, uint32 &width, uint32 &height );
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// Convert PNG data to raw RGBA, pubData is the PNG data, cubData is it's size, buf is for output, and width/height are output as well.
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bool ConvertPNGToRGBA( const byte *pubJpegData, int cubJpegData, CUtlBuffer &bufOutput, int &width, int &height );
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#endif // _PS3
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#endif // JPEGLOADER_H
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