77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
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#ifndef COMMON_INCLUDED
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#define COMMON_INCLUDED
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// width of a grid square
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#define P 16
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// number of grid squares on screen is GxG (square)
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#define G 13
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// number of wells in a color palette
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#define C 40
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// undo stack sizes
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#define MAX_UNDOS 256
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// code used at the start of some resource files as an identifier
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#define SID_MAGIC_CODE "SiD1977"
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#include "minorGems/graphics/Image.h"
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//#include <SDL/SDL.h>
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// reads a TGA file from the default ("graphics") folder
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Image *readTGA( const char *inFileName );
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Image *readTGA( const char *inFolderName, const char *inFileName );
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// write to the current directory
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void writeTGA( Image *inImage, char *inFileName );
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// maps linear values in [0,1] to smoothed [0,1] using sine
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double smoothBlend( double inValue );
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typedef struct intPair {
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int x;
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int y;
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} intPair;
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char equals( intPair inA, intPair inB );
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intPair add( intPair inA, intPair inB );
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intPair subtract( intPair inA, intPair inB );
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void print( intPair inA );
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// generates a bytes string representing a pair
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// result is statically-allocated and overwritten with each subsequent call
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// (NOT thread safe)
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unsigned char *getChars( intPair inA );
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// reads pair from data string
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intPair readIntPair( unsigned char *inBytes, int inLength,
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int *outNumUsed );
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unsigned char *getChars( int inA );
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int readInt( unsigned char *inBytes, int inLength, int *outNumUsed );
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#endif
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