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Diffstat (limited to 'lib/libXrender/include/X11/extensions/Xrender.h')
| -rw-r--r-- | lib/libXrender/include/X11/extensions/Xrender.h | 1340 |
1 files changed, 935 insertions, 405 deletions
diff --git a/lib/libXrender/include/X11/extensions/Xrender.h b/lib/libXrender/include/X11/extensions/Xrender.h index 1d1cd086e..af4efaa0c 100644 --- a/lib/libXrender/include/X11/extensions/Xrender.h +++ b/lib/libXrender/include/X11/extensions/Xrender.h @@ -22,177 +22,396 @@ * Author: Keith Packard, SuSE, Inc. */ +/** + * @file Xrender.h + * @brief XRender library API. + */ + #ifndef _XRENDER_H_ #define _XRENDER_H_ -#include <X11/Xlib.h> #include <X11/Xfuncproto.h> +#include <X11/Xlib.h> #include <X11/Xosdefs.h> #include <X11/Xutil.h> #include <X11/extensions/render.h> +/** + * @mainpage libXrender API Documentation. + * + * Dummy text down here. + */ + +/** + * The direct component of a PictFormat. + * + * It contains a binary description of the color format used by the Picture. + * + * * A Zero bit alphaMask is declared to have an opaque alpha everywhere. + * * A Zero bit redMask, greenMask and blueMask is declared to have red, green, + * blue == 0 everywhere. + * * If any of redMask, greenMask or blueMask are zero, all other masks are + * zero. + */ typedef struct { - short red; - short redMask; - short green; - short greenMask; - short blue; - short blueMask; - short alpha; - short alphaMask; + /** Red component binary displacement. */ + short red; + /** Red component bit mask. */ + short redMask; + /** Green component binary displacement. */ + short green; + /** Green component bit mask. */ + short greenMask; + /** Blue component binary displacement. */ + short blue; + /** Blue component bit mask. */ + short blueMask; + /** Alpha component binary displacement. */ + short alpha; + /** Alpha component bit mask. */ + short alphaMask; } XRenderDirectFormat; +/** + * A Picture pixel format description. + * + * It describes the format used by the server to display colors. + * + * There are two types: + * * Direct: Doesn't have a Colormap and the DirectFormat structure describes + * the pixel format. + * * Indexed: Has a Colormap and it's DirectFormat structure is filled with + * zeros. + */ typedef struct { - PictFormat id; - int type; - int depth; - XRenderDirectFormat direct; - Colormap colormap; + /** XID of this structure server instance. */ + PictFormat id; + /** Color management type. */ + int type; + /** Pixel bit depth. */ + int depth; + /** Color component description. */ + XRenderDirectFormat direct; + /** XID of the map of indexed colors on the server. */ + Colormap colormap; } XRenderPictFormat; -#define PictFormatID (1 << 0) -#define PictFormatType (1 << 1) -#define PictFormatDepth (1 << 2) -#define PictFormatRed (1 << 3) -#define PictFormatRedMask (1 << 4) -#define PictFormatGreen (1 << 5) +/*< XRenderPictFormat template field masks. + * @{ + */ +/** Include ID field. @hideinitializer */ +#define PictFormatID (1 << 0) +/** Include Type field. @hideinitializer */ +#define PictFormatType (1 << 1) +/** Include Depth field. @hideinitializer */ +#define PictFormatDepth (1 << 2) + +/*<--- XRenderPictFormat->direct fields. */ +/** Include Direct->Red field. @hideinitializer */ +#define PictFormatRed (1 << 3) +/** Include Direct->RedMask field. @hideinitializer */ +#define PictFormatRedMask (1 << 4) +/** Include Direct->Green field. @hideinitializer */ +#define PictFormatGreen (1 << 5) +/** Include Direct->GreenMask field. @hideinitializer */ #define PictFormatGreenMask (1 << 6) -#define PictFormatBlue (1 << 7) -#define PictFormatBlueMask (1 << 8) -#define PictFormatAlpha (1 << 9) +/** Include Direct->Blue field. @hideinitializer */ +#define PictFormatBlue (1 << 7) +/** Include Direct->BlueMask field. @hideinitializer */ +#define PictFormatBlueMask (1 << 8) +/** Include Direct->Alpha field. @hideinitializer */ +#define PictFormatAlpha (1 << 9) +/** Include Direct->AlphaMask field. @hideinitializer */ #define PictFormatAlphaMask (1 << 10) -#define PictFormatColormap (1 << 11) +/** Include Colormap field. @hideinitializer */ +#define PictFormatColormap (1 << 11) +/** @} */ + +/** + * Picture rendering attributes. + */ typedef struct _XRenderPictureAttributes { - int repeat; - Picture alpha_map; - int alpha_x_origin; - int alpha_y_origin; - int clip_x_origin; - int clip_y_origin; - Pixmap clip_mask; - Bool graphics_exposures; - int subwindow_mode; - int poly_edge; - int poly_mode; - Atom dither; - Bool component_alpha; + /** How to repeat the picture. */ + int repeat; + + /** A replacement alpha-map. Must be a pixmap-containing Picture. */ + Picture alpha_map; + /** Horizontal displacement of the replacement alpha-map. */ + int alpha_x_origin; + /** Vertical displacement of the replacement alpha-map. */ + int alpha_y_origin; + + /** Horizontal displacement of the clip mask. */ + int clip_x_origin; + /** Vertical displacement of the clip mask. */ + int clip_y_origin; + /** A r/w restriction to the drawable. */ + Pixmap clip_mask; + + /** Whether to receive GraphicsExpose events. @note Ignored field. */ + Bool graphics_exposures; + /** How to clip pixels on subwindow overlap. */ + int subwindow_mode; + /** Alpha mask generation mode. */ + int poly_edge; + /** Alpha value rasterization mode. */ + int poly_mode; + /** Dithering mode. @note Ignored field. */ + Atom dither; + /** Treat alpha channels independently. */ + Bool component_alpha; } XRenderPictureAttributes; +/** An alpha-blended color with premultiplied components. + * + * Values are in the range from 0 to 65535 inclusive, scaled down to the right + * hardware values by the server. Colors must be premultiplied by alpha by the + * client in all cases but gradient operations. + */ typedef struct { - unsigned short red; - unsigned short green; - unsigned short blue; - unsigned short alpha; + /** Red color channel. */ + unsigned short red; + /** Green color channel. */ + unsigned short green; + /** Blue color channel. */ + unsigned short blue; + /** Alpha color channel. */ + unsigned short alpha; } XRenderColor; +/** + * Glyph positioning and sizing information. + * + * A glyph is positioned by taking the requested position and substracting the + * center offset. + */ typedef struct _XGlyphInfo { - unsigned short width; - unsigned short height; - short x; - short y; - short xOff; - short yOff; + /** Glyph width. */ + unsigned short width; + /** Glyph height. */ + unsigned short height; + + /** Horizontal Glyph center offset relative to the upper-left corner. */ + short x; + /** Vertical Glyph center offset relative to the upper-left corner. */ + short y; + + /** Horizontal margin to the next Glyph. */ + short xOff; + /** Vertical margin to the next Glyph. */ + short yOff; } XGlyphInfo; +/*< Glyph Elements. + * Group of glyphs to be rendered. + * While selecting the right element type, you should use as a reference the + * largest identifier in Elt->glyphset. + */ +/** @{ */ + +/** + * 8-bit Glyph Element. + */ typedef struct _XGlyphElt8 { - GlyphSet glyphset; - _Xconst char *chars; - int nchars; - int xOff; - int yOff; + /** Set of available glyphs. */ + GlyphSet glyphset; + + /** 8-bit glyph id array. */ + _Xconst char *chars; + /** Glyph array size. */ + int nchars; + + /** Horizontal offset. */ + int xOff; + /** Vertical offset. */ + int yOff; } XGlyphElt8; +/** + * 16-bit Glyph Element. + */ typedef struct _XGlyphElt16 { - GlyphSet glyphset; - _Xconst unsigned short *chars; - int nchars; - int xOff; - int yOff; + /** Set of available glyphs. */ + GlyphSet glyphset; + + /** 16-bit glyph id array. */ + _Xconst unsigned short *chars; + /** Glyph array size. */ + int nchars; + + /** Horizontal offset. */ + int xOff; + /** Vertical offset. */ + int yOff; } XGlyphElt16; +/** + * 32-bit Glyph Element. + */ typedef struct _XGlyphElt32 { - GlyphSet glyphset; - _Xconst unsigned int *chars; - int nchars; - int xOff; - int yOff; + /** Set of available glyphs. */ + GlyphSet glyphset; + + /** 32-bit glyph id array. */ + _Xconst unsigned int *chars; + /** Glyph array size. */ + int nchars; + + /** Horizontal offset. */ + int xOff; + /** Vertical offset. */ + int yOff; } XGlyphElt32; +/**@} */ -typedef double XDouble; - -typedef struct _XPointDouble { - XDouble x, y; -} XPointDouble; +/*< Utility number types. + * + */ +/**@{ */ -#define XDoubleToFixed(f) ((XFixed) ((f) * 65536)) -#define XFixedToDouble(f) (((XDouble) (f)) / 65536) +/** + * Floating-point number. + */ +typedef double XDouble; +/** + * Fixed-point number. + */ typedef int XFixed; +/** Turn XDouble into XFixed. @hideinitializer */ +#define XDoubleToFixed(f) ((XFixed)((f)*65536)) +/** Turn XFixed into XDouble. @hideinitializer */ +#define XFixedToDouble(f) (((XDouble)(f)) / 65536) +/** @} */ + +/** + * Point coordinates stored as floats. + */ +typedef struct _XPointDouble { + XDouble x, y; +} XPointDouble; + +/** + * Point coordinates as integers. + */ typedef struct _XPointFixed { - XFixed x, y; + XFixed x, y; } XPointFixed; +/** + * Line described by two points. + */ typedef struct _XLineFixed { - XPointFixed p1, p2; + XPointFixed p1, p2; } XLineFixed; +/** + * Triangle described by it's vertices. + * @see XTrap + */ typedef struct _XTriangle { - XPointFixed p1, p2, p3; + XPointFixed p1, p2, p3; } XTriangle; +/** + * Circle described by it's center point and a radius. + */ typedef struct _XCircle { XFixed x; XFixed y; XFixed radius; } XCircle; +/** A trapezoid. + * + * @deprecated Use XTrap instead + * @see + * * XTriangle + * * XTrap + */ typedef struct _XTrapezoid { - XFixed top, bottom; - XLineFixed left, right; + XFixed top, bottom; + XLineFixed left, right; } XTrapezoid; +/** + * A transform matrix. + */ typedef struct _XTransform { - XFixed matrix[3][3]; + XFixed matrix[3][3]; } XTransform; +/** + * Group filters and filter aliases. + */ typedef struct _XFilters { - int nfilter; - char **filter; - int nalias; - short *alias; + /** Filter names count. */ + int nfilter; + /** Filter names array. */ + char **filter; + /** Aliases array count. */ + int nalias; + /** Array of «Index in .filter of the aliased filter or 0xffff». */ + short *alias; } XFilters; +/** + * The value of an indexed color. + */ typedef struct _XIndexValue { - unsigned long pixel; - unsigned short red, green, blue, alpha; + /** Index ID. */ + unsigned long pixel; + /** Color components. */ + unsigned short red, green, blue, alpha; } XIndexValue; +/** + * A single cursor frame. + */ typedef struct _XAnimCursor { - Cursor cursor; - unsigned long delay; + /** Existing cursor. */ + Cursor cursor; + /** Animation delay. */ + unsigned long delay; } XAnimCursor; +/** + * An horizontal line. + */ typedef struct _XSpanFix { - XFixed left, right, y; + XFixed left, right, y; } XSpanFix; +/** + * A trapezoid defined by two lines. + * @see XTriangle + */ typedef struct _XTrap { - XSpanFix top, bottom; + XSpanFix top, bottom; } XTrap; +/** + * Linear gradient shape. + */ typedef struct _XLinearGradient { XPointFixed p1; XPointFixed p2; } XLinearGradient; +/** + * Radial gradient shape. + */ typedef struct _XRadialGradient { XCircle inner; XCircle outer; } XRadialGradient; +/** + * Conical gradient shape. + */ typedef struct _XConicalGradient { XPointFixed center; XFixed angle; /* in degrees */ @@ -200,328 +419,639 @@ typedef struct _XConicalGradient { _XFUNCPROTOBEGIN -Bool XRenderQueryExtension (Display *dpy, int *event_basep, int *error_basep); - -Status XRenderQueryVersion (Display *dpy, - int *major_versionp, - int *minor_versionp); - -Status XRenderQueryFormats (Display *dpy); - -int XRenderQuerySubpixelOrder (Display *dpy, int screen); - -Bool XRenderSetSubpixelOrder (Display *dpy, int screen, int subpixel); - -XRenderPictFormat * -XRenderFindVisualFormat (Display *dpy, _Xconst Visual *visual); - -XRenderPictFormat * -XRenderFindFormat (Display *dpy, - unsigned long mask, - _Xconst XRenderPictFormat *templ, - int count); - -#define PictStandardARGB32 0 -#define PictStandardRGB24 1 -#define PictStandardA8 2 -#define PictStandardA4 3 -#define PictStandardA1 4 -#define PictStandardNUM 5 - -XRenderPictFormat * -XRenderFindStandardFormat (Display *dpy, - int format); - -XIndexValue * -XRenderQueryPictIndexValues(Display *dpy, - _Xconst XRenderPictFormat *format, - int *num); - -Picture -XRenderCreatePicture (Display *dpy, - Drawable drawable, - _Xconst XRenderPictFormat *format, - unsigned long valuemask, - _Xconst XRenderPictureAttributes *attributes); - -void -XRenderChangePicture (Display *dpy, - Picture picture, - unsigned long valuemask, - _Xconst XRenderPictureAttributes *attributes); - -void -XRenderSetPictureClipRectangles (Display *dpy, - Picture picture, - int xOrigin, - int yOrigin, - _Xconst XRectangle *rects, - int n); - -void -XRenderSetPictureClipRegion (Display *dpy, - Picture picture, - Region r); - -void -XRenderSetPictureTransform (Display *dpy, - Picture picture, - XTransform *transform); - -void -XRenderFreePicture (Display *dpy, - Picture picture); - -void -XRenderComposite (Display *dpy, - int op, - Picture src, - Picture mask, - Picture dst, - int src_x, - int src_y, - int mask_x, - int mask_y, - int dst_x, - int dst_y, - unsigned int width, - unsigned int height); - -GlyphSet -XRenderCreateGlyphSet (Display *dpy, _Xconst XRenderPictFormat *format); - -GlyphSet -XRenderReferenceGlyphSet (Display *dpy, GlyphSet existing); - -void -XRenderFreeGlyphSet (Display *dpy, GlyphSet glyphset); - -void -XRenderAddGlyphs (Display *dpy, - GlyphSet glyphset, - _Xconst Glyph *gids, - _Xconst XGlyphInfo *glyphs, - int nglyphs, - _Xconst char *images, - int nbyte_images); - -void -XRenderFreeGlyphs (Display *dpy, - GlyphSet glyphset, - _Xconst Glyph *gids, - int nglyphs); - -void -XRenderCompositeString8 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - GlyphSet glyphset, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst char *string, - int nchar); - -void -XRenderCompositeString16 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - GlyphSet glyphset, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst unsigned short *string, - int nchar); - -void -XRenderCompositeString32 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - GlyphSet glyphset, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst unsigned int *string, - int nchar); - -void -XRenderCompositeText8 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst XGlyphElt8 *elts, - int nelt); - -void -XRenderCompositeText16 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst XGlyphElt16 *elts, - int nelt); - -void -XRenderCompositeText32 (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst XGlyphElt32 *elts, - int nelt); - -void -XRenderFillRectangle (Display *dpy, - int op, - Picture dst, - _Xconst XRenderColor *color, - int x, - int y, - unsigned int width, - unsigned int height); - -void -XRenderFillRectangles (Display *dpy, - int op, - Picture dst, - _Xconst XRenderColor *color, - _Xconst XRectangle *rectangles, - int n_rects); - -void -XRenderCompositeTrapezoids (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - _Xconst XTrapezoid *traps, - int ntrap); - -void -XRenderCompositeTriangles (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - _Xconst XTriangle *triangles, - int ntriangle); - -void -XRenderCompositeTriStrip (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - _Xconst XPointFixed *points, - int npoint); - -void -XRenderCompositeTriFan (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - _Xconst XPointFixed *points, - int npoint); - -void -XRenderCompositeDoublePoly (Display *dpy, - int op, - Picture src, - Picture dst, - _Xconst XRenderPictFormat *maskFormat, - int xSrc, - int ySrc, - int xDst, - int yDst, - _Xconst XPointDouble *fpoints, - int npoints, - int winding); -Status -XRenderParseColor(Display *dpy, - char *spec, - XRenderColor *def); - -Cursor -XRenderCreateCursor (Display *dpy, - Picture source, - unsigned int x, - unsigned int y); - -XFilters * -XRenderQueryFilters (Display *dpy, Drawable drawable); - -void -XRenderSetPictureFilter (Display *dpy, - Picture picture, - const char *filter, - XFixed *params, - int nparams); - -Cursor -XRenderCreateAnimCursor (Display *dpy, - int ncursor, - XAnimCursor *cursors); - - -void -XRenderAddTraps (Display *dpy, - Picture picture, - int xOff, - int yOff, - _Xconst XTrap *traps, - int ntrap); - -Picture XRenderCreateSolidFill (Display *dpy, - const XRenderColor *color); - -Picture XRenderCreateLinearGradient (Display *dpy, - const XLinearGradient *gradient, - const XFixed *stops, - const XRenderColor *colors, - int nstops); +/** @defgroup queries Early check queries. + * @{ + */ + +/** + * Ask for the Render extension presence and its base numbers. + * + * @param dpy Connection to the X server. + * @param[out] event_basep first event number for the extension. + * @param[out] error_basep first error number for the extension. + * @return True if Render is present. + */ +Bool XRenderQueryExtension(Display *dpy, int *event_basep, int *error_basep); + +/** + * Ask for the extension version. + * + * @param dpy Connection to the X server. + * @param[out] major_versionp Extension's major version. + * @param[out] minor_versionp Extension's major version. + * @return Status «1» on success. + */ +Status XRenderQueryVersion(Display *dpy, int *major_versionp, + int *minor_versionp); + +/** + * Check for and cache compatible picture formats. + * + * @param dpy Connection to the X server. + * @return Status «1» on success. + */ +Status XRenderQueryFormats(Display *dpy); + +/** + * Ask for the current subpixel order of a screen. + * + * @param dpy Connection to the X server. + * @param[in] screen Target screen number. + * @return SubPixelUnknown on error, else a subpixel order. + */ +int XRenderQuerySubpixelOrder(Display *dpy, int screen); + +/** + * Change the subpixel order of a screen. + * + * @param dpy Connection to the X server + * @param[in] screen Target screen number. + * @param[in] subpixel Requested subpixel order. + * @return True if the operation was successful. + */ +Bool XRenderSetSubpixelOrder(Display *dpy, int screen, int subpixel); +/** @} */ + +/** + * Ask for the Picture format for a Visual. + * + * @param dpy Connection to the X server. + * @param[in] visual Reference Visual object. + * @return The requested Picture format. + */ +XRenderPictFormat *XRenderFindVisualFormat(Display *dpy, + _Xconst Visual *visual); + +/** + * Ask for matching Picture formats from a template. + * + * @param dpy Connection to the X server. + * @param[in] mask `templ` fields mask to use. + * @param[in] templ Requested Picture format template. + * @param[in] count Skip `count` formats. + * @return NULL if no matching format found, else a Picture format. + */ +XRenderPictFormat *XRenderFindFormat(Display *dpy, unsigned long mask, + _Xconst XRenderPictFormat *templ, + int count); + +/** Standard format specifiers. + * @{ + */ +/** 8-bit RGB with Alpha. @hideinitializer */ +#define PictStandardARGB32 0 +/** 8-bit RGB. @hideinitializer */ +#define PictStandardRGB24 1 +/** 8-bit Alpha map. @hideinitializer */ +#define PictStandardA8 2 +/** 4-bit Alpha map. @hideinitializer */ +#define PictStandardA4 3 +/** 1-bit Alpha map. @hideinitializer */ +#define PictStandardA1 4 +/** Supported standard formats count. @hideinitializer */ +#define PictStandardNUM 5 +/** @} */ + +/** + * Ask for a predefined standard picture format. + * + * This is a shorthand to XRenderFindFormat for finding common formats. + * + * @param dpy Connection to the X server. + * @param[in] format Desired format specifier. + * @return NULL if no matching format found, else a Picture format. + */ +XRenderPictFormat *XRenderFindStandardFormat(Display *dpy, int format); + +/** + * Ask for the indexed colors of a Picture format. + * + * @param dpy Connection to the X server. + * @param[in] format Queried picture format. + * @param[out] num Size of the output array. + * @return An array of XIndexValue. + */ +XIndexValue *XRenderQueryPictIndexValues(Display *dpy, + _Xconst XRenderPictFormat *format, + int *num); + +/** + * Creates a Picture for a drawable. + * + * @param dpy Connection to the X server. + * @param[in] drawable Target Drawable. + * @param[in] format Format for the Picture. + * @param[in] valuemask `attributes` fields mask to use. + * @param[in] attributes Desired attributes for the Picture. + * @return A Picture tied to the drawable. + */ +Picture XRenderCreatePicture(Display *dpy, Drawable drawable, + _Xconst XRenderPictFormat *format, + unsigned long valuemask, + _Xconst XRenderPictureAttributes *attributes); + +/** + * Free allocated structures for a Picture. + * + * @warning A freed Picture shouldn't be used again. + * + * @param dpy Connection to the X server. + * @param[in] picture Target Picture. + */ +void XRenderFreePicture(Display *dpy, Picture picture); + +/** + * Change a Picture's attributes structure. + * + * @param dpy Connection to the X server. + * @param[in] picture Target Picture. + * @param[in] valuemask `attributes` fields mask to use. + * @param[in] attributes Desired attributes for the Picture. + */ +void XRenderChangePicture(Display *dpy, Picture picture, + unsigned long valuemask, + _Xconst XRenderPictureAttributes *attributes); + +/** + * Change a Picture's clip mask to the specified rectangles. + * + * @param dpy Connection to the X server. + * @param[in] picture Target Picture. + * @param[in] xOrigin Horizontal mask origin. + * @param[in] yOrigin Vertical mask origin. + * @param[in] rects Array of rectangles to clip with. + * @param[in] n `rects` array size. + */ +void XRenderSetPictureClipRectangles(Display *dpy, Picture picture, int xOrigin, + int yOrigin, _Xconst XRectangle *rects, + int n); + +/** + * Change a Picture's clip mask to the specified Region. + * + * @param dpy Connection to the X server. + * @param[in] picture Target Picture. + * @param[in] r Region to clip with. + */ +void XRenderSetPictureClipRegion(Display *dpy, Picture picture, Region r); + +/** + * Change a Picture's Transform matrix. + * + * @param dpy Connection to the X server + * @param[in] picture Target Picture. + * @param[in] transform Transform matrix to use. + */ +void XRenderSetPictureTransform(Display *dpy, Picture picture, + XTransform *transform); + +/** + * Combines two Pictures with the specified compositing operation. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] mask Composition mask. + * @param[in] dst Picture to combine into. + * @param[in] src_x Horizontal `src` origin offset. + * @param[in] src_y Vertical `src` origin offset + * @param[in] mask_x Horizontal `mask` origin offset. + * @param[in] mask_y Vertical `mask` origin offset. + * @param[in] dst_x Horizontal `dst` origin offset. + * @param[in] dst_y Vertical `dst` origin offset. + * @param[in] width Maximum composition width. + * @param[in] height Maximum composition height. + */ +void XRenderComposite(Display *dpy, int op, Picture src, Picture mask, + Picture dst, int src_x, int src_y, int mask_x, int mask_y, + int dst_x, int dst_y, unsigned int width, + unsigned int height); + +/** + * Create a Glyph Set. + * + * @param dpy Connection to the X server. + * @param[in] format Desired format for the Glyphs Picture. + * @return A GlyphSet. + */ +GlyphSet XRenderCreateGlyphSet(Display *dpy, _Xconst XRenderPictFormat *format); + +/** + * Generate a new reference for an existing Glyph Set. + * + * @param dpy Connection to the X server. + * @param[in] existing Target Glyph Set. + * @return A GlyphSet identical to `existing`. + */ +GlyphSet XRenderReferenceGlyphSet(Display *dpy, GlyphSet existing); + +/** + * Free allocated structures for a GlyphSet. + * + * If there's more references to the underlying GlyphSet structures, this will + * remove only the specified GlyphSet reference. + * + * @warning A freed GlyphSet shouldn't be used again. + * + * @param dpy Connection to the X server. + * @param[in] glyphset Target GlyphSet. + */ +void XRenderFreeGlyphSet(Display *dpy, GlyphSet glyphset); + +/** + * Add new Glyphs to a GlyphSet. + * + * @param dpy Connection to the X server. + * @param[in] glyphset Glyph storage destination. + * @param[in] gids Array of ids for the new Glyphs. + * @param[in] glyphs Array of new Glyphs info. + * @param[in] nglyphs Number of Glyphs to add. + * @param[in] images Byte array containing the Glyphs graphics. + * @param[in] nbyte_images Size of the `images` byte array. + */ +void XRenderAddGlyphs(Display *dpy, GlyphSet glyphset, _Xconst Glyph *gids, + _Xconst XGlyphInfo *glyphs, int nglyphs, + _Xconst char *images, int nbyte_images); + +/** + * Free allocated Glyphs. + * + * @param dpy Connection to the X server. + * @param[in] glyphset GlyphSet storing the Glyphs. + * @param[in] gids Identifier array of the Glyphs to dellocate. + * @param[in] nglyphs Glyph count. + */ +void XRenderFreeGlyphs(Display *dpy, GlyphSet glyphset, _Xconst Glyph *gids, + int nglyphs); + +/** + * Draw a 8-bit character string into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] glyphset Glyph Source. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] string String to clip to. + * @param[in] nchar String length. + */ +void XRenderCompositeString8(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, + GlyphSet glyphset, int xSrc, int ySrc, int xDst, + int yDst, _Xconst char *string, int nchar); + +/** + * Draw a 16-bit character string into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] glyphset Glyph Source. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] string String to clip to. + * @param[in] nchar String length. + */ +void XRenderCompositeString16(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, + GlyphSet glyphset, int xSrc, int ySrc, int xDst, + int yDst, _Xconst unsigned short *string, + int nchar); + +/** + * Draw a 32-bit character string into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] glyphset Glyph Source. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] string String to clip to. + * @param[in] nchar String length. + */ +void XRenderCompositeString32(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, + GlyphSet glyphset, int xSrc, int ySrc, int xDst, + int yDst, _Xconst unsigned int *string, + int nchar); + +/** + * Draw several 8-bit Glyph Elements into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] elts Glyph Elements array to clip with. + * @param[in] nelt Glyph Elements array size. + */ +void XRenderCompositeText8(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, int xDst, int yDst, + _Xconst XGlyphElt8 *elts, int nelt); + +/** + * Draw several 16-bit Glyph Elements into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] elts Glyph Elements array to clip with. + * @param[in] nelt Glyph Elements array size. + */ +void XRenderCompositeText16(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, int xDst, int yDst, + _Xconst XGlyphElt16 *elts, int nelt); + +/** + * Draw several 32-bit Glyph Elements into a Picture. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] elts Glyph Elements to clip with. + * @param[in] nelt Glyph Elements array size. + */ +void XRenderCompositeText32(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, int xDst, int yDst, + _Xconst XGlyphElt32 *elts, int nelt); + +/** + * Fill a Rectangle with the given color. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] dst Picture to draw into. + * @param[in] color Color to fill with. + * @param[in] x Horizontal offset. + * @param[in] y Vertical offset. + * @param[in] width Rectangle width. + * @param[in] height Rectangle height. + */ +void XRenderFillRectangle(Display *dpy, int op, Picture dst, + _Xconst XRenderColor *color, int x, int y, + unsigned int width, unsigned int height); -Picture XRenderCreateRadialGradient (Display *dpy, - const XRadialGradient *gradient, +/** + * Fill a bunch of Rectangle with the given color. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] dst Picture to draw into. + * @param[in] color Color to fill with. + * @param[in] rectangles Array of Rectangles to fill. + * @param[in] n_rects `rectangles` array size. + */ +void XRenderFillRectangles(Display *dpy, int op, Picture dst, + _Xconst XRenderColor *color, + _Xconst XRectangle *rectangles, int n_rects); + +/** + * Combine two Pictures using a bunch of Trapezoids as the mask. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] traps Array of Trapezoids to clip with. + * @param[in] ntrap `traps` Array size. + */ +void XRenderCompositeTrapezoids(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, _Xconst XTrapezoid *traps, int ntrap); + +/** + * Combine two Pictures using a bunch of Triangles as the mask. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] triangles Array of Triangles to clip with. + * @param[in] ntriangle `triangles` array size. + */ +void XRenderCompositeTriangles(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, _Xconst XTriangle *triangles, + int ntriangle); + +/** + * Combine two Pictures using a Triangle Strip as the mask. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] points Array of Points to create Triangles with. + * @param[in] npoint `points` array size. + */ +void XRenderCompositeTriStrip(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, _Xconst XPointFixed *points, + int npoint); + +/** + * Combine two Pictures using a Triangle Fan as the mask. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] points Array of Points to create Triangles with. + * @param[in] npoint `points` array size. + */ +void XRenderCompositeTriFan(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, _Xconst XPointFixed *points, int npoint); + +/** + * Combine two Pictures using a Polygon as the mask. + * + * @param dpy Connection to the X server. + * @param[in] op Compositing operation to perform. + * @param[in] src Picture to combine with. + * @param[in] dst Picture to combine into. + * @param[in] maskFormat Picture format of the generated Picture mask. + * @param[in] xSrc Horizontal `src` origin offset. + * @param[in] ySrc Vertical `src` origin offset. + * @param[in] xDst Horizontal `dst` origin offset. + * @param[in] yDst Vertical `dst` origin offset. + * @param[in] fpoints Array of DoublePoints to create a Polygon with. + * @param[in] npoints `points` array size. + * @param winding Unused. + */ +void XRenderCompositeDoublePoly(Display *dpy, int op, Picture src, Picture dst, + _Xconst XRenderPictFormat *maskFormat, int xSrc, + int ySrc, int xDst, int yDst, + _Xconst XPointDouble *fpoints, int npoints, + int winding); + +/** + * Parse a color string. + * + * @param dpy Connection to the X server. + * @param[in] spec Null-terminated string. + * @param[out] def Parsing result. + * @return Status «1» on success. + */ +Status XRenderParseColor(Display *dpy, char *spec, XRenderColor *def); + +/** + * Creates a cursor looking like a Picture. + * + * @param dpy Connection to the X server. + * @param[in] source Picture defining the cursor look. + * @param[in] x Horizontal offset. + * @param[in] y Vertical offset. + * @return A Cursor. + */ +Cursor XRenderCreateCursor(Display *dpy, Picture source, unsigned int x, + unsigned int y); + +/** + * Ask for Filters applicable to some Drawable. + * + * @param dpy Connection to the X server. + * @param[in] drawable Target Drawable. + * @return Available Filters and Aliases. + */ +XFilters *XRenderQueryFilters(Display *dpy, Drawable drawable); + +/** + * Set the current filter of a Picture. + * + * @note On Picture creation, the «Nearest» filter is set by default. + * + * @param dpy Connection to the X server. + * @param[in] picture Target. + * @param[in] filter Filter name. + * @param[in] params Filter parameters array. + * @param[in] nparams `params` array size. + */ +void XRenderSetPictureFilter(Display *dpy, Picture picture, const char *filter, + XFixed *params, int nparams); + +/** + * Create an animated Cursor from the given Cursor frames. + * + * @param dpy Connection to the X server. + * @param[in] ncursor Cursor frames count. + * @param[in] cursors Cursor frames array. + * @return An animated Cursor. + */ +Cursor XRenderCreateAnimCursor(Display *dpy, int ncursor, XAnimCursor *cursors); + +/** + * Add the given Trapezoids to a single-channel Picture. + * + * @param dpy Connection to the X server. + * @param[in] picture An alpha-only Picture. + * @param[in] xOff Horizontal offset. + * @param[in] yOff Vertical offset. + * @param[in] traps Array of trapezoids. + * @param[in] ntrap `traps` array size. + */ +void XRenderAddTraps(Display *dpy, Picture picture, int xOff, int yOff, + _Xconst XTrap *traps, int ntrap); + +/** + * Create a Picture filled with a single Color. + * + * @param dpy Connection to the X server. + * @param[in] color Desired filling. + * @return A single Color Picture. + */ +Picture XRenderCreateSolidFill(Display *dpy, const XRenderColor *color); + +/** + * Create a Picture filled with a Linear Gradient. + * + * @param dpy Connection to the X server. + * @param[in] gradient Gradient geometry. + * @param[in] stops Stop sections. + * @param[in] colors Stop colors. + * @param[in] nstops Stops count. + * @return A Picture filled with a Linear Gradient. + */ +Picture XRenderCreateLinearGradient(Display *dpy, + const XLinearGradient *gradient, + const XFixed *stops, + const XRenderColor *colors, int nstops); + +/** + * Create a Picture filled with a Radial Gradient. + * + * @param dpy Connection to the X server. + * @param[in] gradient Gradient geometry. + * @param[in] stops Stop sections. + * @param[in] colors Stop colors. + * @param[in] nstops Stops count. + * @return A Picture filled with a Radial Gradient. + */ +Picture XRenderCreateRadialGradient(Display *dpy, + const XRadialGradient *gradient, + const XFixed *stops, + const XRenderColor *colors, int nstops); + +/** + * Create a Picture filled with a Conical Gradient. + * + * @param dpy Connection to the X server. + * @param[in] gradient Gradient geometry. + * @param[in] stops Stop sections. + * @param[in] colors Stop colors. + * @param[in] nstops Stops count. + * @return A Picture filled with a Conical Gradient. + */ +Picture XRenderCreateConicalGradient(Display *dpy, + const XConicalGradient *gradient, const XFixed *stops, - const XRenderColor *colors, - int nstops); - -Picture XRenderCreateConicalGradient (Display *dpy, - const XConicalGradient *gradient, - const XFixed *stops, - const XRenderColor *colors, - int nstops); + const XRenderColor *colors, int nstops); _XFUNCPROTOEND |