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31 lines
1.5 KiB
C++
31 lines
1.5 KiB
C++
#pragma once
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#include <stdint.h>
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#include "palentry.h"
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struct FScriptPosition;
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class FScanner;
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int BestColor(const uint32_t* pal, int r, int g, int b, int first = 1, int num = 255);
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int PTM_BestColor(const uint32_t* pal_in, int r, int g, int b, bool reverselookup, float powtable, int first = 1, int num = 255);
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void DoBlending(const PalEntry* from, PalEntry* to, int count, int r, int g, int b, int a);
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// Given an array of colors, fills in remap with values to remap the
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// passed array of colors to BaseColors. Used for loading palette downconversions of PNGs.
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void MakeRemap(uint32_t* BaseColors, const uint32_t* colors, uint8_t* remap, const uint8_t* useful, int numcolors);
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void MakeGoodRemap(uint32_t* BaseColors, uint8_t* Remap);
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// Colorspace conversion RGB <-> HSV
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void RGBtoHSV (float r, float g, float b, float *h, float *s, float *v);
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void HSVtoRGB (float *r, float *g, float *b, float h, float s, float v);
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// Returns the closest color to the one desired. String
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// should be of the form "rr gg bb".
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int V_GetColorFromString(const uint32_t* palette, const char* colorstring, FScriptPosition* sc = nullptr);
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// Scans through the X11R6RGB lump for a matching color
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// and returns a color string suitable for V_GetColorFromString.
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FString V_GetColorStringByName(const char* name, FScriptPosition* sc = nullptr);
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// Tries to get color by name, then by string
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int V_GetColor(const uint32_t* palette, const char* str, FScriptPosition* sc = nullptr);
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int V_GetColor(const uint32_t* palette, FScanner& sc);
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