EMF Common Macros

Macros
#define	U_BGR(r, g, b)   rgbquad_set(r, g, b, 0)
	Set any BGR color with an {r,g,b} triplet.
#define	U_BGRA(r, g, b, a)   rgbquad_set(r, g, b, a)
	Set any BGRA color with an {r,g,b,a} quad.
#define	U_WHITE   U_BGR(255,255,255)
	Set BGR white.
#define	U_BLACK   U_BGR(0,0,0)
	Set BGR black.
#define	U_BGRAGetR(rgb)   (rgb.Red )
	Color BGR Red.
#define	U_BGRAGetG(rgb)   (rgb.Green )
	Color BGR Green.
#define	U_BGRAGetB(rgb)   (rgb.Blue )
	Color BGR Blue.
#define	U_BGRAGetA(rgb)   (rgb.Reserved)
	Color BGRA A/reserved.
#define	colorref_set   colorref3_set
	Most frequent usage is 3 colors, so set the unqualified one to that.
#define	U_RGB(r, g, b)   colorref3_set(r, g, b)
	Set any RGB color with an {r,g,b} triplet.
#define	U_RGBA(r, g, b, a)   colorref4_set(r, g, b, a)
	Set any RGBA color with an {r,g,b,a} quad.
#define	U_RGBAGetR(rgb)   (rgb.Red )
	Color RGB Red.
#define	U_RGBAGetG(rgb)   (rgb.Green )
	Color RGB Green.
#define	U_RGBAGetB(rgb)   (rgb.Blue )
	Color RGB Blue.
#define	U_RGBAGetA(rgb)   (rgb.Reserved)
	Color RGBA A/reserved.
#define	U_RGB2BGR(rgb)   U_BGR(U_RGBAGetR(rgb),U_RGBAGetG(rgb),U_RGBAGetB(rgb))
	Set any BGR color from an RGB color.
#define	U_BGR2RGB(rgb)   U_RGB(U_BGRAGetR(rgb),U_BGRAGetG(rgb),U_BGRAGetB(rgb))
	Set any RGB color from an BGR color.
#define	U_RGBA2BGRA(rgb)   U_BGRA(U_RGBAGetR(rgb),U_RGBAGetG(rgb),U_RGBAGetB(rgb),U_RGBAGetA(rgb)}
	Set any BGRA color from an RGBA color.
#define	U_BGRA2RGBA(rgb)   U_RGBA(U_BGRAGetR(rgb),U_BGRAGetG(rgb),U_BGRAGetB(rgb),U_BGRAGetA(rgb)}
	Set any RGBA color from an BGRA color.
#define	U_CMYK(c, m, y, k)   ((COLOREF)((((uint8_t)(k)|((uint16_t)((uint8_t)(y))<<8))|(((uint32_t)(uint8_t)(m))<<16))|(((uint32_t)(uint8_t)(c))<<24))) \
	Color CMYK Set Macro.
#define	U_GetKValue(cmyk)   ((uint8_t) (cmyk) )
	Color CMYK Get K Macro.
#define	U_GetYValue(cmyk)   ((uint8_t) ((cymk) >> 8))
	Color CMYK Get Y Macro.
#define	U_GetMValue(cmyk)   ((uint8_t) ((cymk) >> 16))
	Color CMYK Get M Macro.
#define	U_GetCValue(cmyk)   ((uint8_t) ((cymk) >> 24))
	Color CMYK Get C Macro.
#define	U_Gamma(A)   (A < U_RGB_GAMMA_MIN ? U_RGB_GAMMA_MIN : (A > U_RGB_GAMMA_MAX ? U_RGB_GAMMA_MAX: A)) \
	Gamma set Macro (enforce range).
#define	U_PM(A, B)   ((A)<-(B)?-(B):((A)>(B)?(B):(A)))
	Plus/Minus Range Macro (B must be postitive!).
#define	U_MNMX(A, B, C)   ((A)<(B)?(B):((A)>(C)?(C):(A)))
	Min/Max Range Macro (B <= A <= C).
#define	U_MIN(A, B)   ((A)>(B)?(B):(A))
	Minimum of A,B.
#define	U_MAX(A, B)   ((A)>(B)?(A):(B))
	Maximum of A,B.
#define	U_EMRTYPE(A)   (((PU_EMR)A)->iType)
	Get iType from U_EMR* record.
#define	U_EMRSIZE(A)   (((PU_EMR)A)->nSize)
	Get nSize from U_EMR* record.
#define	UP4(A)   (4 * ((A + 3 ) / 4))
	Round up to nearest multiple of 4.

Detailed Description