3 changed files with 201 additions and 2 deletions
@ -0,0 +1,139 @@
|
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/*==LICENSE==*
|
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|
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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|
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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|
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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|
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*==LICENSE==*/ |
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#include "hsTypes.h" |
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#include "hsStream.h" |
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#include "hsExceptions.h" |
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#include "hsUtils.h" |
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#include "plPNG.h" |
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#include "../plGImage/plMipmap.h" |
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#include <png.h> |
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plMipmap *plPNG::IRead( hsStream *inStream ) |
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{ |
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plMipmap *newMipmap = NULL; |
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png_structp png_ptr; |
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png_infop info_ptr; |
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png_infop end_info; |
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try |
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{ |
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// Check PNG Signature
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png_byte sig[8]; |
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inStream->Read8Bytes((char *) sig); |
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if (!png_sig_cmp(sig, 0, 8)) |
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{ |
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inStream->Rewind(); |
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// Allocate required structs
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png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
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if (!png_ptr) |
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throw( false ); |
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info_ptr = png_create_info_struct(png_ptr); |
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if (!info_ptr) |
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{ |
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png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL); |
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throw( false ); |
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} |
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end_info = png_create_info_struct(png_ptr); |
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if (!end_info) |
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{ |
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png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); |
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throw( false ); |
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} |
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// Clean up allocated structs
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png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); |
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} |
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} |
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catch( ... ) |
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{ |
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if (newMipmap != NULL) |
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{ |
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delete newMipmap; |
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newMipmap = NULL; |
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} |
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} |
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return newMipmap; |
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} |
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plMipmap* plPNG::ReadFromFile( const char *fileName ) |
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{ |
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wchar* wFilename = hsStringToWString(fileName); |
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plMipmap* retVal = ReadFromFile(wFilename); |
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delete [] wFilename; |
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return retVal; |
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} |
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plMipmap* plPNG::ReadFromFile( const wchar *fileName ) |
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{ |
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hsUNIXStream in; |
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if (!in.Open(fileName, L"rb")) |
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return false; |
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plMipmap* ret = IRead(&in); |
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in.Close(); |
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return ret; |
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} |
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hsBool plPNG::IWrite( plMipmap *source, hsStream *outStream ) |
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{ |
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hsBool result = true; |
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try |
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{ |
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} |
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catch( ... ) |
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{ |
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result = false; |
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} |
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return result; |
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} |
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hsBool plPNG::WriteToFile( const char *fileName, plMipmap *sourceData ) |
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{ |
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wchar* wFilename = hsStringToWString(fileName); |
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hsBool retVal = WriteToFile(wFilename, sourceData); |
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delete [] wFilename; |
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return retVal; |
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} |
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hsBool plPNG::WriteToFile( const wchar *fileName, plMipmap *sourceData ) |
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{ |
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hsUNIXStream out; |
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if (!out.Open(fileName, L"wb")) |
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return false; |
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hsBool ret = IWrite(sourceData, &out); |
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out.Close(); |
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return ret; |
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} |
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@ -0,0 +1,54 @@
|
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/*==LICENSE==*
|
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|
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
||||
|
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This program is free software: you can redistribute it and/or modify |
||||
it under the terms of the GNU General Public License as published by |
||||
the Free Software Foundation, either version 3 of the License, or |
||||
(at your option) any later version. |
||||
|
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This program is distributed in the hope that it will be useful, |
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
GNU General Public License for more details. |
||||
|
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You should have received a copy of the GNU General Public License |
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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|
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
||||
Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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|
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*==LICENSE==*/ |
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#ifndef _plPNG_h |
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#define _plPNG_h |
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//// Class Definition /////////////////////////////////////////////////////////
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class plMipmap; |
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class hsStream; |
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class plPNG |
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{ |
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protected: |
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plMipmap *IRead( hsStream *inStream ); |
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hsBool IWrite( plMipmap *source, hsStream *outStream ); |
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public: |
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plMipmap *ReadFromStream( hsStream *inStream ) { return IRead( inStream ); } |
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plMipmap *ReadFromFile( const char *fileName ); |
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plMipmap *ReadFromFile( const wchar *fileName ); |
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hsBool WriteToStream( hsStream *outStream, plMipmap *sourceData ) { return IWrite( sourceData, outStream ); } |
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hsBool WriteToFile( const char *fileName, plMipmap *sourceData ); |
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hsBool WriteToFile( const wchar *fileName, plMipmap *sourceData ); |
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}; |
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#endif // _plPNG_h
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