forked from mia/Aegisub
colorspace.(cpp|h) cosmetics
Originally committed to SVN as r6458.
This commit is contained in:
Thomas Goyne
parent
16627dbfe7
commit
e20bc09052
2 changed files with 16 additions and 111 deletions
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@ -40,14 +40,7 @@
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#include "utils.h"
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/// @brief matrix from http://forum.doom9.org/showthread.php?p=684080#post684080
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/// @param Y
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/// @param U
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/// @param V
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/// @param R
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/// @param G
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/// @param B
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///
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// Matrix from http://forum.doom9.org/showthread.php?p=684080#post684080
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void yuv_to_rgb(int Y, int U, int V, unsigned char *R, unsigned char *G, unsigned char *B)
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{
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U = U - 128;
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@ -59,15 +52,7 @@ void yuv_to_rgb(int Y, int U, int V, unsigned char *R, unsigned char *G, unsigne
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/// @brief making every value into 0..255 range though algorithm from http://130.113.54.154/~monger/hsl-rgb.html
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/// @param H
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/// @param S
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/// @param L
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/// @param R
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/// @param G
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/// @param B
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/// @return
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///
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// Algorithm from http://130.113.54.154/~monger/hsl-rgb.html
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void hsl_to_rgb(int H, int S, int L, unsigned char *R, unsigned char *G, unsigned char *B)
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{
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if (S == 0) {
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@ -167,17 +152,8 @@ void hsl_to_rgb(int H, int S, int L, unsigned char *R, unsigned char *G, unsigne
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*B = clip_colorval((int)(b*255));
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}
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/// @brief the range for H is 0..255 instead of 0..359, so 60 degrees has been translated to 256/6 here formulas taken from wikipedia: http://en.wikipedia.org/wiki/HSV_color_space
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/// @param H
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/// @param S
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/// @param V
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/// @param R
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/// @param G
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/// @param B
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/// @return
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///
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// Formulas taken from wikipedia: http://en.wikipedia.org/wiki/HSV_color_space
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// The range for H is 0..255 instead of 0..359, so 60 degrees has been translated to 256/6 here
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void hsv_to_rgb(int H, int S, int V, unsigned char *R, unsigned char *G, unsigned char *B)
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{
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*R = *G = *B = 0;
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@ -279,16 +255,7 @@ void hsv_to_rgb(int H, int S, int V, unsigned char *R, unsigned char *G, unsigne
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*B = clip_colorval(b/256);
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}
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/// @brief matrix from http://forum.doom9.org/showthread.php?p=684080#post684080
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/// @param R
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/// @param G
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/// @param B
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/// @param Y
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/// @param U
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/// @param V
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///
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// Matrix from http://forum.doom9.org/showthread.php?p=684080#post684080
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void rgb_to_yuv(int R, int G, int B, unsigned char *Y, unsigned char *U, unsigned char *V)
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{
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*Y = clip_colorval(( int(0.299*65536) * R + int(0.587*65536) * G + int(0.114*65536) * B) / 65536);
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@ -296,16 +263,7 @@ void rgb_to_yuv(int R, int G, int B, unsigned char *Y, unsigned char *U, unsigne
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*V = clip_colorval(( int(0.615*65536) * R - int(0.515*65536) * G - int(0.100*65536) * B) / 65536 + 128);
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}
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/// @brief still keeping everything integer also from http://130.113.54.154/~monger/hsl-rgb.html
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/// @param R
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/// @param G
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/// @param B
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/// @param H
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/// @param S
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/// @param L
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///
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/// Algorithm from http://130.113.54.154/~monger/hsl-rgb.html
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void rgb_to_hsl(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *L)
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{
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float r = R/255.f, g = G/255.f, b = B/255.f;
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@ -341,16 +299,7 @@ void rgb_to_hsl(int R, int G, int B, unsigned char *H, unsigned char *S, unsigne
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*L = clip_colorval(int(l*255));
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}
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/// @brief formulas from http://en.wikipedia.org/wiki/HSV_color_space
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/// @param R
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/// @param G
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/// @param B
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/// @param H
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/// @param S
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/// @param V
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///
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/// Formulas from http://en.wikipedia.org/wiki/HSV_color_space
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void rgb_to_hsv(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *V)
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{
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float r = R/255.f, g = G/255.f, b = B/255.f;
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@ -384,16 +333,6 @@ void rgb_to_hsv(int R, int G, int B, unsigned char *H, unsigned char *S, unsigne
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*V = clip_colorval(int(v*255));
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}
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/// @brief DOCME
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/// @param iH
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/// @param iS
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/// @param iV
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/// @param oH
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/// @param oS
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/// @param oL
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///
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void hsv_to_hsl(int iH, int iS, int iV, unsigned char *oH, unsigned char *oS, unsigned char *oL)
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{
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int p = iV * (255 - iS);
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@ -408,17 +347,6 @@ void hsv_to_hsl(int iH, int iS, int iV, unsigned char *oH, unsigned char *oS, un
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}
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}
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/// @brief DOCME
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/// @param iH
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/// @param iS
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/// @param iL
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/// @param oH
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/// @param oS
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/// @param oV
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/// @return
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///
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void hsl_to_hsv(int iH, int iS, int iL, unsigned char *oH, unsigned char *oS, unsigned char *oV)
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{
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*oH = iH;
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@ -438,22 +366,11 @@ void hsl_to_hsv(int iH, int iS, int iL, unsigned char *oH, unsigned char *oS, un
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}
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}
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/// @brief DOCME
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/// @param color
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/// @return
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///
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wxString color_to_html(wxColour color)
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{
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return wxString::Format("#%02X%02X%02X", color.Red(), color.Green(), color.Blue());
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}
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/// @brief DOCME
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/// @param html
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///
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wxColour html_to_color(wxString html)
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{
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html.Trim(true);
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@ -490,6 +407,3 @@ wxColour html_to_color(wxString html)
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return wxColour(*wxBLACK);
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}
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}
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@ -34,42 +34,33 @@
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/// @ingroup utility
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///
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#ifndef AGI_PRE
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#include <wx/colour.h>
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#include <wx/string.h>
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#endif
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/// @brief DOCME
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/// @param val
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///
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inline unsigned int clip_colorval(int val)
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{
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if (val < 0) return 0;
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if (val > 255) return 255;
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return val;
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return std::max(0, std::min(val, 255));
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}
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// Convert an YUV color to RGB; all values are expected to be in range 0..255
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/// Convert an YUV color to RGB; all values are expected to be in range 0..255
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void yuv_to_rgb(int Y, int U, int V, unsigned char *R, unsigned char *G, unsigned char *B);
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// Convert a HSL color to RGB; all values are expected to be in range 0..255
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/// Convert a HSL color to RGB; all values are expected to be in range 0..255
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void hsl_to_rgb(int H, int S, int L, unsigned char *R, unsigned char *G, unsigned char *B);
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// Convert a HSV color to RGB; all values are expected to be in range 0..255
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/// Convert a HSV color to RGB; all values are expected to be in range 0..255
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void hsv_to_rgb(int H, int S, int V, unsigned char *R, unsigned char *G, unsigned char *B);
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// Convert an RGB color to YUV; all values are expected to be in range 0..255
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/// Convert an RGB color to YUV; all values are expected to be in range 0..255
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void rgb_to_yuv(int R, int G, int B, unsigned char *Y, unsigned char *U, unsigned char *V);
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// Convert an RGB color to HSL; all values are expected to be in range 0..255
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/// Convert an RGB color to HSL; all values are expected to be in range 0..255
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void rgb_to_hsl(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *L);
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// Convert an RGB color to HSV; all values are expected to be in range 0..255
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/// Convert an RGB color to HSV; all values are expected to be in range 0..255
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void rgb_to_hsv(int R, int G, int B, unsigned char *H, unsigned char *S, unsigned char *V);
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void hsv_to_hsl(int iH, int iS, int iV, unsigned char *oH, unsigned char *oS, unsigned char *oL);
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@ -77,8 +68,8 @@ void hsv_to_hsl(int iH, int iS, int iV, unsigned char *oH, unsigned char *oS, un
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void hsl_to_hsv(int iH, int iS, int iL, unsigned char *oH, unsigned char *oS, unsigned char *oV);
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// Convert a wxColour to a HTML hex string
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/// Convert a wxColour to a HTML hex string
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wxString color_to_html(wxColour color);
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// Convert a HTML hex string to a wxColour
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/// Convert a HTML hex string to a wxColour
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wxColour html_to_color(wxString html);
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