diff options
Diffstat (limited to 'libXrender/src/Glyph.c')
| -rw-r--r-- | libXrender/src/Glyph.c | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/libXrender/src/Glyph.c b/libXrender/src/Glyph.c new file mode 100644 index 000000000..894bb77f2 --- /dev/null +++ b/libXrender/src/Glyph.c @@ -0,0 +1,712 @@ +/* + * + * Copyright © 2000 SuSE, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Keith Packard, SuSE, Inc. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xrenderint.h" + +GlyphSet +XRenderCreateGlyphSet (Display *dpy, _Xconst XRenderPictFormat *format) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + GlyphSet gsid; + xRenderCreateGlyphSetReq *req; + + RenderCheckExtension (dpy, info, 0); + LockDisplay(dpy); + GetReq(RenderCreateGlyphSet, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCreateGlyphSet; + req->gsid = gsid = XAllocID(dpy); + req->format = format->id; + UnlockDisplay(dpy); + SyncHandle(); + return gsid; +} + +GlyphSet +XRenderReferenceGlyphSet (Display *dpy, GlyphSet existing) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + GlyphSet gsid; + xRenderReferenceGlyphSetReq *req; + + RenderCheckExtension (dpy, info, 0); + LockDisplay(dpy); + GetReq(RenderReferenceGlyphSet, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderReferenceGlyphSet; + req->gsid = gsid = XAllocID(dpy); + req->existing = existing; + UnlockDisplay(dpy); + SyncHandle(); + return gsid; +} + +void +XRenderFreeGlyphSet (Display *dpy, GlyphSet glyphset) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderFreeGlyphSetReq *req; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + GetReq(RenderFreeGlyphSet, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderFreeGlyphSet; + req->glyphset = glyphset; + UnlockDisplay(dpy); + SyncHandle(); +} + +void +XRenderAddGlyphs (Display *dpy, + GlyphSet glyphset, + _Xconst Glyph *gids, + _Xconst XGlyphInfo *glyphs, + int nglyphs, + _Xconst char *images, + int nbyte_images) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderAddGlyphsReq *req; + long len; + + if (nbyte_images & 3) + nbyte_images += 4 - (nbyte_images & 3); + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + GetReq(RenderAddGlyphs, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderAddGlyphs; + req->glyphset = glyphset; + req->nglyphs = nglyphs; + len = (nglyphs * (SIZEOF (xGlyphInfo) + 4) + nbyte_images) >> 2; + SetReqLen(req, len, len); + Data32 (dpy, (long *) gids, nglyphs * 4); + Data16 (dpy, (short *) glyphs, nglyphs * SIZEOF (xGlyphInfo)); + Data (dpy, images, nbyte_images); + UnlockDisplay(dpy); + SyncHandle(); +} + +void +XRenderFreeGlyphs (Display *dpy, + GlyphSet glyphset, + _Xconst Glyph *gids, + int nglyphs) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderFreeGlyphsReq *req; + long len; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + GetReq(RenderFreeGlyphs, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderFreeGlyphs; + req->glyphset = glyphset; + len = nglyphs; + SetReqLen(req, len, len); + len <<= 2; + Data32 (dpy, (long *) gids, len); + UnlockDisplay(dpy); + SyncHandle(); +} + +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs8Req *req; + long len; + xGlyphElt *elt; + int nbytes; + + if (!nchar) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + GetReq(RenderCompositeGlyphs8, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs8; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + + /* + * xGlyphElt must be aligned on a 32-bit boundary; this is + * easily done by filling no more than 252 glyphs in each + * bucket + */ + +#define MAX_8 252 + + len = SIZEOF(xGlyphElt) * ((nchar + MAX_8-1) / MAX_8) + nchar; + + req->length += (len + 3)>>2; /* convert to number of 32-bit words */ + + /* + * If the entire request does not fit into the remaining space in the + * buffer, flush the buffer first. + */ + + if (dpy->bufptr + len > dpy->bufmax) + _XFlush (dpy); + + while(nchar > MAX_8) + { + nbytes = MAX_8 + SIZEOF(xGlyphElt); + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = MAX_8; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + memcpy ((char *) (elt + 1), string, MAX_8); + nchar = nchar - MAX_8; + string += MAX_8; + } + + if (nchar) + { + nbytes = (nchar + SIZEOF(xGlyphElt) + 3) & ~3; + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = nchar; + elt->deltax = xDst; + elt->deltay = yDst; + memcpy ((char *) (elt + 1), string, nchar); + } +#undef MAX_8 + + UnlockDisplay(dpy); + SyncHandle(); +} +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs8Req *req; + long len; + xGlyphElt *elt; + int nbytes; + + if (!nchar) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + GetReq(RenderCompositeGlyphs16, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs16; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + +#define MAX_16 254 + + len = SIZEOF(xGlyphElt) * ((nchar + MAX_16-1) / MAX_16) + nchar * 2; + + req->length += (len + 3)>>2; /* convert to number of 32-bit words */ + + /* + * If the entire request does not fit into the remaining space in the + * buffer, flush the buffer first. + */ + + if (dpy->bufptr + len > dpy->bufmax) + _XFlush (dpy); + + while(nchar > MAX_16) + { + nbytes = MAX_16 * 2 + SIZEOF(xGlyphElt); + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = MAX_16; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + memcpy ((char *) (elt + 1), (char *) string, MAX_16 * 2); + nchar = nchar - MAX_16; + string += MAX_16; + } + + if (nchar) + { + nbytes = (nchar * 2 + SIZEOF(xGlyphElt) + 3) & ~3; + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = nchar; + elt->deltax = xDst; + elt->deltay = yDst; + memcpy ((char *) (elt + 1), (char *) string, nchar * 2); + } +#undef MAX_16 + + UnlockDisplay(dpy); + SyncHandle(); +} + +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs8Req *req; + long len; + xGlyphElt *elt; + int nbytes; + + if (!nchar) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + GetReq(RenderCompositeGlyphs32, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs32; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + +#define MAX_32 254 + + len = SIZEOF(xGlyphElt) * ((nchar + MAX_32-1) / MAX_32) + nchar * 4; + + req->length += (len + 3)>>2; /* convert to number of 32-bit words */ + + /* + * If the entire request does not fit into the remaining space in the + * buffer, flush the buffer first. + */ + + if (dpy->bufptr + len > dpy->bufmax) + _XFlush (dpy); + + while(nchar > MAX_32) + { + nbytes = MAX_32 * 4 + SIZEOF(xGlyphElt); + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = MAX_32; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + memcpy ((char *) (elt + 1), (char *) string, MAX_32 * 4); + nchar = nchar - MAX_32; + string += MAX_32; + } + + if (nchar) + { + nbytes = nchar * 4 + SIZEOF(xGlyphElt); + BufAlloc (xGlyphElt *, elt, nbytes); + elt->len = nchar; + elt->deltax = xDst; + elt->deltay = yDst; + memcpy ((char *) (elt + 1), (char *) string, nchar * 4); + } +#undef MAX_32 + + UnlockDisplay(dpy); + SyncHandle(); +} + +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs8Req *req; + GlyphSet glyphset; + long len; + long elen; + xGlyphElt *elt; + int i; + _Xconst char *chars; + int nchars; + + if (!nelt) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + GetReq(RenderCompositeGlyphs8, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs8; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = elts[0].glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + + /* + * Compute the space necessary + */ + len = 0; + +#define MAX_8 252 + + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Check for glyphset change + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + len += (SIZEOF (xGlyphElt) + 4) >> 2; + } + nchars = elts[i].nchars; + /* + * xGlyphElt must be aligned on a 32-bit boundary; this is + * easily done by filling no more than 252 glyphs in each + * bucket + */ + elen = SIZEOF(xGlyphElt) * ((nchars + MAX_8-1) / MAX_8) + nchars; + len += (elen + 3) >> 2; + } + + req->length += len; + + /* + * Send the glyphs + */ + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Switch glyphsets + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt)); + elt->len = 0xff; + elt->deltax = 0; + elt->deltay = 0; + Data32(dpy, &glyphset, 4); + } + nchars = elts[i].nchars; + xDst = elts[i].xOff; + yDst = elts[i].yOff; + chars = elts[i].chars; + while (nchars) + { + int this_chars = nchars > MAX_8 ? MAX_8 : nchars; + + BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt)) + elt->len = this_chars; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + Data (dpy, chars, this_chars); + nchars -= this_chars; + chars += this_chars; + } + } +#undef MAX_8 + + UnlockDisplay(dpy); + SyncHandle(); +} + +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs16Req *req; + GlyphSet glyphset; + long len; + long elen; + xGlyphElt *elt; + int i; + _Xconst unsigned short *chars; + int nchars; + + if (!nelt) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + GetReq(RenderCompositeGlyphs16, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs16; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = elts[0].glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + + /* + * Compute the space necessary + */ + len = 0; + +#define MAX_16 254 + + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Check for glyphset change + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + len += (SIZEOF (xGlyphElt) + 4) >> 2; + } + nchars = elts[i].nchars; + /* + * xGlyphElt must be aligned on a 32-bit boundary; this is + * easily done by filling no more than 254 glyphs in each + * bucket + */ + elen = SIZEOF(xGlyphElt) * ((nchars + MAX_16-1) / MAX_16) + nchars * 2; + len += (elen + 3) >> 2; + } + + req->length += len; + + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Switch glyphsets + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt)); + elt->len = 0xff; + elt->deltax = 0; + elt->deltay = 0; + Data32(dpy, &glyphset, 4); + } + nchars = elts[i].nchars; + xDst = elts[i].xOff; + yDst = elts[i].yOff; + chars = elts[i].chars; + while (nchars) + { + int this_chars = nchars > MAX_16 ? MAX_16 : nchars; + int this_bytes = this_chars * 2; + + BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt)) + elt->len = this_chars; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + Data16 (dpy, chars, this_bytes); + nchars -= this_chars; + chars += this_chars; + } + } +#undef MAX_16 + + UnlockDisplay(dpy); + SyncHandle(); +} + +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) +{ + XRenderExtDisplayInfo *info = XRenderFindDisplay (dpy); + xRenderCompositeGlyphs32Req *req; + GlyphSet glyphset; + long len; + long elen; + xGlyphElt *elt; + int i; + _Xconst unsigned int *chars; + int nchars; + + if (!nelt) + return; + + RenderSimpleCheckExtension (dpy, info); + LockDisplay(dpy); + + + GetReq(RenderCompositeGlyphs32, req); + req->reqType = info->codes->major_opcode; + req->renderReqType = X_RenderCompositeGlyphs32; + req->op = op; + req->src = src; + req->dst = dst; + req->maskFormat = maskFormat ? maskFormat->id : None; + req->glyphset = elts[0].glyphset; + req->xSrc = xSrc; + req->ySrc = ySrc; + + /* + * Compute the space necessary + */ + len = 0; + +#define MAX_32 254 + + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Check for glyphset change + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + len += (SIZEOF (xGlyphElt) + 4) >> 2; + } + nchars = elts[i].nchars; + elen = SIZEOF(xGlyphElt) * ((nchars + MAX_32) / MAX_32) + nchars *4; + len += (elen + 3) >> 2; + } + + req->length += len; + + glyphset = elts[0].glyphset; + for (i = 0; i < nelt; i++) + { + /* + * Switch glyphsets + */ + if (elts[i].glyphset != glyphset) + { + glyphset = elts[i].glyphset; + BufAlloc (xGlyphElt *, elt, SIZEOF (xGlyphElt)); + elt->len = 0xff; + elt->deltax = 0; + elt->deltay = 0; + Data32(dpy, &glyphset, 4); + } + nchars = elts[i].nchars; + xDst = elts[i].xOff; + yDst = elts[i].yOff; + chars = elts[i].chars; + while (nchars) + { + int this_chars = nchars > MAX_32 ? MAX_32 : nchars; + int this_bytes = this_chars * 4; + BufAlloc (xGlyphElt *, elt, SIZEOF(xGlyphElt)) + elt->len = this_chars; + elt->deltax = xDst; + elt->deltay = yDst; + xDst = 0; + yDst = 0; + DataInt32 (dpy, chars, this_bytes); + nchars -= this_chars; + chars += this_chars; + } + } +#undef MAX_32 + + UnlockDisplay(dpy); + SyncHandle(); +} |