TASImage.cxx File Reference

Classes
struct	__argb32__

Macros
#define	_alphaBlend(bot, top)
#define	_MEMSET_(dst, lng, val)
#define	FillSpansInternal(npt, ppt, widths, color)

Functions
static ASDrawContext *	create_draw_context_argb32 (ASImage *im, ASDrawTool *brush)
	Create draw context.
static void	destroy_asdraw_context32 (ASDrawContext *ctx)
	Destroy asdraw context32.
static ARGB32	GetAverage (ARGB32 foreground, ARGB32 background)
	Get average.
static ARGB32	GetHilite (ARGB32 background)
	Calculate highlite color.
static int	GetPolyYBounds (TPoint *pts, int n, int *by, int *ty)
	Get poly bounds along Y.
static ARGB32	GetShadow (ARGB32 background)
	Calculate shadow color.
static void	init_icon_paths ()
	Set icons paths.
static CARD8	MakeComponentHilite (int cmp)
	Make component hilite.

Variables
static CARD32	gBrushCache [kBrushCacheSize *kBrushCacheSize]
static ASFontManager *	gFontManager = nullptr
static char *	gIconPaths [7] = {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr}
static unsigned long	kAllPlanes = ~0
static const UInt_t	kBrushCacheSize = 20
const Float_t	kScale = 0.985
static const UInt_t	NUMPTSTOBUFFER = 512

Macro Definition Documentation

_alphaBlend

#define _alphaBlend	(		bot,
			top )

Value:

   {\
   __argb32__ *T = (__argb32__*)(top);\
   __argb32__ *B = (__argb32__*)(bot);\
   int aa = 255-T->a; /* NOLINT */ \
   if (!aa) {\
      *bot = *top;\
   } else { \
      B->a = ((B->a*aa)>>8) + T->a;\
      B->r = (B->r*aa + T->r*T->a)>>8;\
      B->g = (B->g*aa + T->g*T->a)>>8;\
      B->b = (B->b*aa + T->b*T->a)>>8;\
   }\
}\

Definition at line 161 of file TASImage.cxx.

_MEMSET_

#define _MEMSET_	(		dst,
			lng,
			val )

Value:

do {\
for( UInt_t j=0; j < lng; j++) *((dst)+j) = val; } while (0)

Definition at line 3757 of file TASImage.cxx.

FillSpansInternal

#define FillSpansInternal	(		npt,
			ppt,
			widths,
			color )

Value:

   do {\
   UInt_t yy = ppt[0].fY*fImage->width;\
   for (UInt_t i = 0; i < npt; i++) {\
      _MEMSET_(&fImage->alt.argb32[Idx(yy + ppt[i].fX)], widths[i], color);\
      yy += ((i+1 < npt) && (ppt[i].fY != ppt[i+1].fY) ? fImage->width : 0);\
   }\
} while (0)

Definition at line 3762 of file TASImage.cxx.

Function Documentation

create_draw_context_argb32()

ASDrawContext * create_draw_context_argb32 ( ASImage * im, ASDrawTool * brush )

static

Create draw context.

Definition at line 5531 of file TASImage.cxx.

destroy_asdraw_context32()

void destroy_asdraw_context32 ( ASDrawContext * ctx )

static

Destroy asdraw context32.

Definition at line 5548 of file TASImage.cxx.

GetAverage()

ARGB32 GetAverage ( ARGB32 foreground, ARGB32 background )

static

Get average.

(used internally)

Definition at line 3263 of file TASImage.cxx.

GetHilite()

ARGB32 GetHilite ( ARGB32 background )

static

Calculate highlite color.

(used internally)

Definition at line 3242 of file TASImage.cxx.

GetPolyYBounds()

int GetPolyYBounds ( TPoint * pts, int n, int * by, int * ty )

static

Get poly bounds along Y.

Definition at line 5111 of file TASImage.cxx.

GetShadow()

ARGB32 GetShadow ( ARGB32 background )

static

Calculate shadow color.

(used internally)

Definition at line 3254 of file TASImage.cxx.

init_icon_paths()

void init_icon_paths ( )

static

Set icons paths.

Definition at line 376 of file TASImage.cxx.

MakeComponentHilite()

CARD8 MakeComponentHilite ( int cmp )

static

Make component hilite.

(used internally)

Definition at line 3228 of file TASImage.cxx.

Variable Documentation

gBrushCache

CARD32 gBrushCache[kBrushCacheSize *kBrushCacheSize]

static

Definition at line 5557 of file TASImage.cxx.

gFontManager

ASFontManager* gFontManager = nullptr

static

Definition at line 127 of file TASImage.cxx.

gIconPaths

char* gIconPaths[7] = {nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr}

static

Definition at line 132 of file TASImage.cxx.

kAllPlanes

unsigned long kAllPlanes = ~0

static

Definition at line 128 of file TASImage.cxx.

kBrushCacheSize

const UInt_t kBrushCacheSize = 20

static

Definition at line 5556 of file TASImage.cxx.

kScale

const Float_t kScale = 0.985

Definition at line 135 of file TASImage.cxx.

NUMPTSTOBUFFER

const UInt_t NUMPTSTOBUFFER = 512

static

Definition at line 5347 of file TASImage.cxx.