Section 3: library functions
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite – obtain black, blue, green, red, and white CCC color specifications Syntax Status XcmsQueryBlack(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryBlue(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryGreen(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryRed(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryWhite(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Arguments ccc Specifies…
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite – obtain black, blue, green, red, and white CCC color specifications Syntax Status XcmsQueryBlack(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryBlue(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryGreen(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryRed(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryWhite(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Arguments ccc Specifies…
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite – obtain black, blue, green, red, and white CCC color specifications Syntax Status XcmsQueryBlack(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryBlue(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryGreen(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryRed(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryWhite(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Arguments ccc Specifies…
XcmsQueryColor, XcmsQueryColors, XcmsLookupColor – obtain color values Syntax Status XcmsQueryColor(Display *display, Colormap colormap, XcmsColor *color_in_out, XcmsColorFormat result_format); Status XcmsQueryColors(Display *display, Colormap colormap, XcmsColor colors_in_out[], unsigned int ncolors, XcmsColorFormat result_format); Status XcmsLookupColor(Display *display, Colormap colormap, char *color_string, XcmsColor *color_exact_return, XcmsColor *color_screen_return, XcmsColorFormat result_format); Arguments display Specifies the connection to the X server. colormap Specifies the colormap….
XcmsQueryColor, XcmsQueryColors, XcmsLookupColor – obtain color values Syntax Status XcmsQueryColor(Display *display, Colormap colormap, XcmsColor *color_in_out, XcmsColorFormat result_format); Status XcmsQueryColors(Display *display, Colormap colormap, XcmsColor colors_in_out[], unsigned int ncolors, XcmsColorFormat result_format); Status XcmsLookupColor(Display *display, Colormap colormap, char *color_string, XcmsColor *color_exact_return, XcmsColor *color_screen_return, XcmsColorFormat result_format); Arguments display Specifies the connection to the X server. colormap Specifies the colormap….
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite – obtain black, blue, green, red, and white CCC color specifications Syntax Status XcmsQueryBlack(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryBlue(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryGreen(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryRed(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryWhite(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Arguments ccc Specifies…
XcmsQueryBlack, XcmsQueryBlue, XcmsQueryGreen, XcmsQueryRed, XcmsQueryWhite – obtain black, blue, green, red, and white CCC color specifications Syntax Status XcmsQueryBlack(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryBlue(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryGreen(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryRed(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Status XcmsQueryWhite(XcmsCCC ccc, XcmsColorFormat target_format, XcmsColor *color_return); Arguments ccc Specifies…
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsQueryColor, XcmsQueryColors, XcmsLookupColor – obtain color values Syntax Status XcmsQueryColor(Display *display, Colormap colormap, XcmsColor *color_in_out, XcmsColorFormat result_format); Status XcmsQueryColors(Display *display, Colormap colormap, XcmsColor colors_in_out[], unsigned int ncolors, XcmsColorFormat result_format); Status XcmsLookupColor(Display *display, Colormap colormap, char *color_string, XcmsColor *color_exact_return, XcmsColor *color_screen_return, XcmsColorFormat result_format); Arguments display Specifies the connection to the X server. colormap Specifies the colormap….
XcmsCreateCCC, XcmsFreeCCC – creating and destroying CCCs Syntax XcmsCCC XcmsCreateCCC(Display *display, int screen_number, Visual *visual, XcmsColor *client_white_point, XcmsCompressionProc compression_proc, XPointer compression_client_data, XcmsWhiteAdjustProc white_adjust_proc, XPointer white_adjust_client_data); void XcmsFreeCCC(XcmsCCC ccc); Arguments display Specifies the connection to the X server. ccc Specifies the CCC. client_white_point Specifies the Client White Point. If NULL is specified, the Client White Point…
XcmsDefaultCCC – obtain the default CCC for a screen Syntax XcmsCCC XcmsDefaultCCC(Display *display, int screen_number); Arguments display Specifies the connection to the X server. screen_number Specifies the appropriate screen number on the host server. Description The XcmsDefaultCCC function returns the default CCC for the specified screen. Its visual is the default visual of the screen….
XcmsCreateCCC, XcmsFreeCCC – creating and destroying CCCs Syntax XcmsCCC XcmsCreateCCC(Display *display, int screen_number, Visual *visual, XcmsColor *client_white_point, XcmsCompressionProc compression_proc, XPointer compression_client_data, XcmsWhiteAdjustProc white_adjust_proc, XPointer white_adjust_client_data); void XcmsFreeCCC(XcmsCCC ccc); Arguments display Specifies the connection to the X server. ccc Specifies the CCC. client_white_point Specifies the Client White Point. If NULL is specified, the Client White Point…
XcmsConvertColors – convert CCC color specifications Syntax Status XcmsConvertColors(XcmsCCC ccc, XcmsColor colors_in_out[], unsigned int ncolors, XcmsColorFormat target_format, Bool compression_flags_return[]); Arguments ccc Specifies the CCC. If Conversion is between device-independent color spaces only (for example, TekHVC to CIELuv), the CCC is necessary only to specify the Client White Point. colors_in_out Specifies an array of color specifications….
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad – Xcms color structure Structures The structure for XcmsColor contains: typedef unsigned long XcmsColorFormat; /* Color Specification Format */ typedef struct { union { XcmsRGB RGB; XcmsRGBi RGBi; XcmsCIEXYZ CIEXYZ; XcmsCIEuvY CIEuvY; XcmsCIExyY CIExyY; XcmsCIELab CIELab; XcmsCIELuv CIELuv; XcmsTekHVC TekHVC; XcmsPad Pad; } spec; unsigned…
XcmsCIELuvQueryMaxC, XcmsCIELuvQueryMaxL, XcmsCIELuvQueryMaxLC, XcmsCIELuvQueryMinL – obtain the CIE L*u*v* coordinates Syntax Status XcmsCIELuvQueryMaxC(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat L_star, XcmsColor *color_return); Status XcmsCIELuvQueryMaxL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat chroma, XcmsColor *color_return); Status XcmsCIELuvQueryMaxLC(XcmsCCC ccc, XcmsFloat hue_angle, XcmsColor *color_return); Status XcmsCIELuvQueryMinL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat chroma, XcmsColor *color_return); Arguments ccc Specifies the CCC. Note that the CCC’s Client…
XcmsCIELuvQueryMaxC, XcmsCIELuvQueryMaxL, XcmsCIELuvQueryMaxLC, XcmsCIELuvQueryMinL – obtain the CIE L*u*v* coordinates Syntax Status XcmsCIELuvQueryMaxC(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat L_star, XcmsColor *color_return); Status XcmsCIELuvQueryMaxL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat chroma, XcmsColor *color_return); Status XcmsCIELuvQueryMaxLC(XcmsCCC ccc, XcmsFloat hue_angle, XcmsColor *color_return); Status XcmsCIELuvQueryMinL(XcmsCCC ccc, XcmsFloat hue_angle, XcmsFloat chroma, XcmsColor *color_return); Arguments ccc Specifies the CCC. Note that the CCC’s Client…