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#ifndef ClientCache_H
# define ClientCache_H
# include "constants.H"
# include "EncodeBuffer.H"
# include "IntCache.H"
# include "CharCache.H"
# include "TextCompressor.H"
# include "HuffmanCoder.H"
# include "PixelCache.H"
# include "LastPixels.H"
static const unsigned int PUT_IMAGE_PIXEL_CACHE_SIZE = 251;
static const unsigned int CLIENT_TEXT_CACHE_SIZE = 9999;
class ClientCache
{
public:
ClientCache();
~ClientCache();
// General-purpose caches:
CharCache textCache[CLIENT_TEXT_CACHE_SIZE];
IntCache cursorCache;
IntCache gcCache;
IntCache drawableCache;
IntCache windowCache;
IntCache colormapCache;
IntCache visualCache;
CharCache depthCache;
unsigned int lastFont;
unsigned int lastRequestSequenceNum;
// Opcode prediction caches (predict next opcode based on previous one)
CharCache opcodeCache[256];
unsigned char lastOpcode;
// AllocColor request
IntCache *allocColorRGBCache[3];
// ChangeProperty request
CharCache changePropertyFormatCache;
IntCache changePropertyPropertyCache;
IntCache changePropertyTypeCache;
IntCache changePropertyData32Cache;
TextCompressor changePropertyTextCompressor;
// ClearArea request
IntCache *clearAreaGeomCache[4];
// ConfigureWindow request
IntCache configureWindowBitmaskCache;
IntCache *configureWindowAttrCache[7];
// ConvertSelection request
IntCache convertSelectionRequestorCache;
IntCache *convertSelectionAtomCache[3];
unsigned int convertSelectionLastTimestamp;
// CopyArea request
IntCache *copyAreaGeomCache[6];
// CopyPlane request
IntCache *copyPlaneGeomCache[6];
IntCache copyPlaneBitPlaneCache;
// CreateGC request
IntCache createGCBitmaskCache;
IntCache *createGCAttrCache[23];
// CreatePixmap request
unsigned int createPixmapLastPixmap;
IntCache createPixmapXCache;
IntCache createPixmapYCache;
// CreateWindow request
IntCache *createWindowGeomCache[6];
IntCache createWindowBitmaskCache;
IntCache *createWindowAttrCache[15];
// FillPoly request
IntCache fillPolyNumPointsCache;
IntCache *fillPolyXRelCache[FILL_POLY_MAX_POINTS];
IntCache *fillPolyXAbsCache[FILL_POLY_MAX_POINTS];
IntCache *fillPolyYRelCache[FILL_POLY_MAX_POINTS];
IntCache *fillPolyYAbsCache[FILL_POLY_MAX_POINTS];
unsigned int fillPolyRecentX[8];
unsigned int fillPolyRecentY[8];
unsigned int fillPolyIndex;
// GetSelectionOwner request
IntCache getSelectionOwnerSelectionCache;
// GrabButton request
// (also used for GrabPointer)
IntCache grabButtonEventMaskCache;
IntCache grabButtonConfineCache;
CharCache grabButtonButtonCache;
IntCache grabButtonModifierCache;
// GrabKeyboard request
unsigned int grabKeyboardLastTimestamp;
// ImageText8 request
unsigned int imageText8LastX;
unsigned int imageText8LastY;
IntCache imageText8CacheX;
IntCache imageText8CacheY;
TextCompressor imageText8TextCompressor;
// InternAtom request
TextCompressor internAtomTextCompressor;
// OpenFont request
TextCompressor openFontTextCompressor;
// PolyFillRectangle request
IntCache *polyFillRectangleCacheX[2];
IntCache *polyFillRectangleCacheY[2];
IntCache *polyFillRectangleCacheWidth[2];
IntCache *polyFillRectangleCacheHeight[2];
// PolyLine request
IntCache *polyLineCacheX[2];
IntCache *polyLineCacheY[2];
// PolyPoint request
IntCache *polyPointCacheX[2];
IntCache *polyPointCacheY[2];
// PolyRectangle request
IntCache *polyRectangleGeomCache[4];
// PolySegment request
IntCache polySegmentCacheX;
IntCache polySegmentCacheY;
unsigned int polySegmentLastX[2];
unsigned int polySegmentLastY[2];
unsigned int polySegmentCacheIndex;
// PolyText8 request
unsigned int polyText8LastX;
unsigned int polyText8LastY;
IntCache polyText8CacheX;
IntCache polyText8CacheY;
IntCache polyText8FontCache;
CharCache polyText8DeltaCache;
TextCompressor polyText8TextCompressor;
// PutImage request
IntCache putImageWidthCache;
IntCache putImageHeightCache;
unsigned int putImageLastX;
unsigned int putImageLastY;
IntCache putImageXCache;
IntCache putImageYCache;
CharCache putImageOffsetCache;
HuffmanCoder putImagePixel0Coder;
HuffmanCoder putImagePixel1Coder;
HuffmanCoder putImageDiffCoder;
PixelCache putImagePixelCache[PUT_IMAGE_PIXEL_CACHE_SIZE];
LastPixels putImageLastPixels;
HuffmanCoder columnPixel0Coder;
HuffmanCoder columnPixel1Coder;
unsigned int *putImageReferenceLine;
unsigned int *putImageCodingLine;
unsigned int putImageLineSize;
CharCache putImageByteCache;
// QueryColors request
unsigned int queryColorsLastPixel;
// SetClipRectangles request
IntCache setClipRectanglesXCache;
IntCache setClipRectanglesYCache;
IntCache *setClipRectanglesGeomCache[4];
// SetDashes request
IntCache setDashesLengthCache;
IntCache setDashesOffsetCache;
CharCache setDashesDashCache_[2];
// SetSelectionOwner request
IntCache setSelectionOwnerCache;
IntCache setSelectionOwnerTimestampCache;
// TranslateCoords request
IntCache translateCoordsSrcCache;
IntCache translateCoordsDestCache;
IntCache translateCoordsXCache;
IntCache translateCoordsYCache;
};
// Codes for representing patterns between scan lines of a compressed bitmap:
enum ScanlineDiff
{
SD_VERTICAL_0, SD_VERTICAL_PLUS_1, SD_VERTICAL_MINUS_1,
SD_HORIZONTAL, SD_PASS, SD_VERTICAL_MINUS_2,
SD_VERTICAL_PLUS_2, SD_NUM_CODES
};
#endif /* ClientCache_H */
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