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Sweden-Number/dlls/x11drv/xrender.c

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/*
* Functions to use the XRender extension
*
* Copyright 2001, 2002 Huw D M Davies for CodeWeavers
*
* Some parts also:
* Copyright 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wownt32.h"
#include "x11drv.h"
#include "bitmap.h"
#include "wine/unicode.h"
#include "wine/debug.h"
static BOOL X11DRV_XRender_Installed = FALSE;
int using_client_side_fonts = FALSE;
WINE_DEFAULT_DEBUG_CHANNEL(xrender);
#ifdef HAVE_X11_EXTENSIONS_XRENDER_H
#include "ts_xlib.h"
#include <X11/extensions/Xrender.h>
static XRenderPictFormat *screen_format; /* format of screen */
static XRenderPictFormat *mono_format; /* format of mono bitmap */
typedef struct
{
LOGFONTW lf;
XFORM xform; /* this is dum as we don't care about offsets */
DWORD hash;
} LFANDSIZE;
#define INITIAL_REALIZED_BUF_SIZE 128
typedef enum { AA_None, AA_Grey, AA_RGB, AA_BGR, AA_VRGB, AA_VBGR } AA_Type;
typedef struct
{
LFANDSIZE lfsz;
AA_Type aa;
GlyphSet glyphset;
XRenderPictFormat *font_format;
int nrealized;
BOOL *realized;
void **bitmaps;
XGlyphInfo *gis;
UINT count;
INT next;
} gsCacheEntry;
struct tagXRENDERINFO
{
int cache_index;
Picture pict;
Picture tile_pict;
Pixmap tile_xpm;
COLORREF lastTextColor;
};
static gsCacheEntry *glyphsetCache = NULL;
static DWORD glyphsetCacheSize = 0;
static INT lastfree = -1;
static INT mru = -1;
#define INIT_CACHE_SIZE 10
static int antialias = 1;
/* some default values just in case */
#ifndef SONAME_LIBX11
#define SONAME_LIBX11 "libX11.so"
#endif
#ifndef SONAME_LIBXEXT
#define SONAME_LIBXEXT "libXext.so"
#endif
#ifndef SONAME_LIBXRENDER
#define SONAME_LIBXRENDER "libXrender.so"
#endif
static void *xrender_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f;
MAKE_FUNCPTR(XRenderAddGlyphs)
MAKE_FUNCPTR(XRenderCompositeString8)
MAKE_FUNCPTR(XRenderCompositeString16)
MAKE_FUNCPTR(XRenderCompositeString32)
MAKE_FUNCPTR(XRenderCreateGlyphSet)
MAKE_FUNCPTR(XRenderCreatePicture)
MAKE_FUNCPTR(XRenderFillRectangle)
MAKE_FUNCPTR(XRenderFindFormat)
MAKE_FUNCPTR(XRenderFindVisualFormat)
MAKE_FUNCPTR(XRenderFreeGlyphSet)
MAKE_FUNCPTR(XRenderFreePicture)
MAKE_FUNCPTR(XRenderSetPictureClipRectangles)
MAKE_FUNCPTR(XRenderQueryExtension)
#undef MAKE_FUNCPTR
static CRITICAL_SECTION xrender_cs;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &xrender_cs,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": xrender_cs") }
};
static CRITICAL_SECTION xrender_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
/***********************************************************************
* X11DRV_XRender_Init
*
* Let's see if our XServer has the extension available
*
*/
void X11DRV_XRender_Init(void)
{
int error_base, event_base, i;
XRenderPictFormat pf;
if (client_side_with_render &&
wine_dlopen(SONAME_LIBX11, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
wine_dlopen(SONAME_LIBXEXT, RTLD_NOW|RTLD_GLOBAL, NULL, 0) &&
(xrender_handle = wine_dlopen(SONAME_LIBXRENDER, RTLD_NOW, NULL, 0)))
{
#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(xrender_handle, #f, NULL, 0)) == NULL) goto sym_not_found;
LOAD_FUNCPTR(XRenderAddGlyphs)
LOAD_FUNCPTR(XRenderCompositeString8)
LOAD_FUNCPTR(XRenderCompositeString16)
LOAD_FUNCPTR(XRenderCompositeString32)
LOAD_FUNCPTR(XRenderCreateGlyphSet)
LOAD_FUNCPTR(XRenderCreatePicture)
LOAD_FUNCPTR(XRenderFillRectangle)
LOAD_FUNCPTR(XRenderFindFormat)
LOAD_FUNCPTR(XRenderFindVisualFormat)
LOAD_FUNCPTR(XRenderFreeGlyphSet)
LOAD_FUNCPTR(XRenderFreePicture)
LOAD_FUNCPTR(XRenderSetPictureClipRectangles)
LOAD_FUNCPTR(XRenderQueryExtension)
#undef LOAD_FUNCPTR
wine_tsx11_lock();
if(pXRenderQueryExtension(gdi_display, &event_base, &error_base)) {
X11DRV_XRender_Installed = TRUE;
TRACE("Xrender is up and running error_base = %d\n", error_base);
screen_format = pXRenderFindVisualFormat(gdi_display, visual);
if(!screen_format) { /* This fails in buggy versions of libXrender.so */
wine_tsx11_unlock();
WINE_MESSAGE(
"Wine has detected that you probably have a buggy version\n"
"of libXrender.so . Because of this client side font rendering\n"
"will be disabled. Please upgrade this library.\n");
X11DRV_XRender_Installed = FALSE;
return;
}
pf.type = PictTypeDirect;
pf.depth = 1;
pf.direct.alpha = 0;
pf.direct.alphaMask = 1;
mono_format = pXRenderFindFormat(gdi_display, PictFormatType |
PictFormatDepth | PictFormatAlpha |
PictFormatAlphaMask, &pf, 0);
if(!mono_format) {
ERR("mono_format == NULL?\n");
X11DRV_XRender_Installed = FALSE;
}
}
wine_tsx11_unlock();
}
sym_not_found:
if(X11DRV_XRender_Installed || client_side_with_core)
{
glyphsetCache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(*glyphsetCache) * INIT_CACHE_SIZE);
glyphsetCacheSize = INIT_CACHE_SIZE;
lastfree = 0;
for(i = 0; i < INIT_CACHE_SIZE; i++) {
glyphsetCache[i].next = i + 1;
glyphsetCache[i].count = -1;
}
glyphsetCache[i-1].next = -1;
using_client_side_fonts = 1;
if(!X11DRV_XRender_Installed) {
TRACE("Xrender is not available on your XServer, client side rendering with the core protocol instead.\n");
if(screen_depth <= 8 || !client_side_antialias_with_core)
antialias = 0;
} else {
if(screen_depth <= 8 || !client_side_antialias_with_render)
antialias = 0;
}
}
else TRACE("Using X11 core fonts\n");
}
static BOOL fontcmp(LFANDSIZE *p1, LFANDSIZE *p2)
{
if(p1->hash != p2->hash) return TRUE;
if(memcmp(&p1->xform, &p2->xform, sizeof(p1->xform))) return TRUE;
if(memcmp(&p1->lf, &p2->lf, offsetof(LOGFONTW, lfFaceName))) return TRUE;
return strcmpW(p1->lf.lfFaceName, p2->lf.lfFaceName);
}
#if 0
static void walk_cache(void)
{
int i;
EnterCriticalSection(&xrender_cs);
for(i=mru; i >= 0; i = glyphsetCache[i].next)
TRACE("item %d\n", i);
LeaveCriticalSection(&xrender_cs);
}
#endif
static int LookupEntry(LFANDSIZE *plfsz)
{
int i, prev_i = -1;
for(i = mru; i >= 0; i = glyphsetCache[i].next) {
TRACE("%d\n", i);
if(glyphsetCache[i].count == -1) { /* reached free list so stop */
i = -1;
break;
}
if(!fontcmp(&glyphsetCache[i].lfsz, plfsz)) {
glyphsetCache[i].count++;
if(prev_i >= 0) {
glyphsetCache[prev_i].next = glyphsetCache[i].next;
glyphsetCache[i].next = mru;
mru = i;
}
TRACE("found font in cache %d\n", i);
return i;
}
prev_i = i;
}
TRACE("font not in cache\n");
return -1;
}
static void FreeEntry(int entry)
{
int i;
if(glyphsetCache[entry].glyphset) {
wine_tsx11_lock();
pXRenderFreeGlyphSet(gdi_display, glyphsetCache[entry].glyphset);
wine_tsx11_unlock();
glyphsetCache[entry].glyphset = 0;
}
if(glyphsetCache[entry].nrealized) {
HeapFree(GetProcessHeap(), 0, glyphsetCache[entry].realized);
glyphsetCache[entry].realized = NULL;
if(glyphsetCache[entry].bitmaps) {
for(i = 0; i < glyphsetCache[entry].nrealized; i++)
if(glyphsetCache[entry].bitmaps[i])
HeapFree(GetProcessHeap(), 0, glyphsetCache[entry].bitmaps[i]);
HeapFree(GetProcessHeap(), 0, glyphsetCache[entry].bitmaps);
glyphsetCache[entry].bitmaps = NULL;
HeapFree(GetProcessHeap(), 0, glyphsetCache[entry].gis);
glyphsetCache[entry].gis = NULL;
}
glyphsetCache[entry].nrealized = 0;
}
}
static int AllocEntry(void)
{
int best = -1, prev_best = -1, i, prev_i = -1;
if(lastfree >= 0) {
assert(glyphsetCache[lastfree].count == -1);
glyphsetCache[lastfree].count = 1;
best = lastfree;
lastfree = glyphsetCache[lastfree].next;
assert(best != mru);
glyphsetCache[best].next = mru;
mru = best;
TRACE("empty space at %d, next lastfree = %d\n", mru, lastfree);
return mru;
}
for(i = mru; i >= 0; i = glyphsetCache[i].next) {
if(glyphsetCache[i].count == 0) {
best = i;
prev_best = prev_i;
}
prev_i = i;
}
if(best >= 0) {
TRACE("freeing unused glyphset at cache %d\n", best);
FreeEntry(best);
glyphsetCache[best].count = 1;
if(prev_best >= 0) {
glyphsetCache[prev_best].next = glyphsetCache[best].next;
glyphsetCache[best].next = mru;
mru = best;
} else {
assert(mru == best);
}
return mru;
}
TRACE("Growing cache\n");
glyphsetCache = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
glyphsetCache,
(glyphsetCacheSize + INIT_CACHE_SIZE)
* sizeof(*glyphsetCache));
for(best = i = glyphsetCacheSize; i < glyphsetCacheSize + INIT_CACHE_SIZE;
i++) {
glyphsetCache[i].next = i + 1;
glyphsetCache[i].count = -1;
}
glyphsetCache[i-1].next = -1;
glyphsetCacheSize += INIT_CACHE_SIZE;
lastfree = glyphsetCache[best].next;
glyphsetCache[best].count = 1;
glyphsetCache[best].next = mru;
mru = best;
TRACE("new free cache slot at %d\n", mru);
return mru;
}
static int GetCacheEntry(LFANDSIZE *plfsz)
{
XRenderPictFormat pf;
int ret;
gsCacheEntry *entry;
if((ret = LookupEntry(plfsz)) != -1) return ret;
ret = AllocEntry();
entry = glyphsetCache + ret;
entry->lfsz = *plfsz;
assert(entry->nrealized == 0);
if(antialias)
entry->aa = AA_Grey;
else
entry->aa = AA_None;
if(X11DRV_XRender_Installed) {
switch(entry->aa) {
case AA_Grey:
pf.depth = 8;
pf.direct.alphaMask = 0xff;
break;
default:
ERR("aa = %d - not implemented\n", entry->aa);
case AA_None:
pf.depth = 1;
pf.direct.alphaMask = 1;
break;
}
pf.type = PictTypeDirect;
pf.direct.alpha = 0;
wine_tsx11_lock();
entry->font_format = pXRenderFindFormat(gdi_display,
PictFormatType |
PictFormatDepth |
PictFormatAlpha |
PictFormatAlphaMask,
&pf, 0);
entry->glyphset = pXRenderCreateGlyphSet(gdi_display, entry->font_format);
wine_tsx11_unlock();
}
return ret;
}
static void dec_ref_cache(int index)
{
assert(index >= 0);
TRACE("dec'ing entry %d to %d\n", index, glyphsetCache[index].count - 1);
assert(glyphsetCache[index].count > 0);
glyphsetCache[index].count--;
}
static void lfsz_calc_hash(LFANDSIZE *plfsz)
{
DWORD hash = 0, *ptr;
int i;
for(ptr = (DWORD*)&plfsz->xform; ptr < (DWORD*)(&plfsz->xform + 1); ptr++)
hash ^= *ptr;
for(i = 0, ptr = (DWORD*)&plfsz->lf; i < 7; i++, ptr++)
hash ^= *ptr;
for(i = 0, ptr = (DWORD*)&plfsz->lf.lfFaceName; i < LF_FACESIZE/2; i++, ptr++) {
WCHAR *pwc = (WCHAR *)ptr;
if(!*pwc) break;
hash ^= *ptr;
pwc++;
if(!*pwc) break;
}
plfsz->hash = hash;
return;
}
/***********************************************************************
* X11DRV_XRender_Finalize
*/
void X11DRV_XRender_Finalize(void)
{
int i;
EnterCriticalSection(&xrender_cs);
for(i = mru; i >= 0; i = glyphsetCache[i].next)
FreeEntry(i);
LeaveCriticalSection(&xrender_cs);
}
/***********************************************************************
* X11DRV_XRender_SelectFont
*/
BOOL X11DRV_XRender_SelectFont(X11DRV_PDEVICE *physDev, HFONT hfont)
{
LFANDSIZE lfsz;
GetObjectW(hfont, sizeof(lfsz.lf), &lfsz.lf);
TRACE("h=%ld w=%ld weight=%ld it=%d charset=%d name=%s\n",
lfsz.lf.lfHeight, lfsz.lf.lfWidth, lfsz.lf.lfWeight,
lfsz.lf.lfItalic, lfsz.lf.lfCharSet, debugstr_w(lfsz.lf.lfFaceName));
lfsz.xform = physDev->dc->xformWorld2Vport;
lfsz_calc_hash(&lfsz);
EnterCriticalSection(&xrender_cs);
if(!physDev->xrender) {
physDev->xrender = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(*physDev->xrender));
physDev->xrender->cache_index = -1;
}
else if(physDev->xrender->cache_index != -1)
dec_ref_cache(physDev->xrender->cache_index);
physDev->xrender->cache_index = GetCacheEntry(&lfsz);
LeaveCriticalSection(&xrender_cs);
return 0;
}
/***********************************************************************
* X11DRV_XRender_DeleteDC
*/
void X11DRV_XRender_DeleteDC(X11DRV_PDEVICE *physDev)
{
wine_tsx11_lock();
if(physDev->xrender->tile_pict)
pXRenderFreePicture(gdi_display, physDev->xrender->tile_pict);
if(physDev->xrender->tile_xpm)
XFreePixmap(gdi_display, physDev->xrender->tile_xpm);
if(physDev->xrender->pict) {
TRACE("freeing pict = %lx dc = %p\n", physDev->xrender->pict, physDev->dc);
pXRenderFreePicture(gdi_display, physDev->xrender->pict);
}
wine_tsx11_unlock();
EnterCriticalSection(&xrender_cs);
if(physDev->xrender->cache_index != -1)
dec_ref_cache(physDev->xrender->cache_index);
LeaveCriticalSection(&xrender_cs);
HeapFree(GetProcessHeap(), 0, physDev->xrender);
physDev->xrender = NULL;
return;
}
/***********************************************************************
* X11DRV_XRender_UpdateDrawable
*
* This gets called from X11DRV_SetDrawable and X11DRV_SelectBitmap.
* It deletes the pict when the drawable changes.
*/
void X11DRV_XRender_UpdateDrawable(X11DRV_PDEVICE *physDev)
{
if(physDev->xrender->pict) {
TRACE("freeing pict %08lx from dc %p drawable %08lx\n", physDev->xrender->pict,
physDev->dc, physDev->drawable);
wine_tsx11_lock();
XFlush(gdi_display);
pXRenderFreePicture(gdi_display, physDev->xrender->pict);
wine_tsx11_unlock();
}
physDev->xrender->pict = 0;
return;
}
/************************************************************************
* UploadGlyph
*
* Helper to ExtTextOut. Must be called inside xrender_cs
*/
static BOOL UploadGlyph(X11DRV_PDEVICE *physDev, int glyph)
{
int buflen;
char *buf;
Glyph gid;
GLYPHMETRICS gm;
XGlyphInfo gi;
gsCacheEntry *entry = glyphsetCache + physDev->xrender->cache_index;
UINT ggo_format = GGO_GLYPH_INDEX;
if(entry->nrealized <= glyph) {
entry->nrealized = (glyph / 128 + 1) * 128;
entry->realized = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
entry->realized,
entry->nrealized * sizeof(BOOL));
if(entry->glyphset == 0) {
entry->bitmaps = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
entry->bitmaps,
entry->nrealized * sizeof(entry->bitmaps[0]));
entry->gis = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
entry->gis,
entry->nrealized * sizeof(entry->gis[0]));
}
}
switch(entry->aa) {
case AA_Grey:
ggo_format |= WINE_GGO_GRAY16_BITMAP;
break;
default:
ERR("aa = %d - not implemented\n", entry->aa);
case AA_None:
ggo_format |= GGO_BITMAP;
break;
}
buflen = GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, 0, NULL,
NULL);
if(buflen == GDI_ERROR) {
LeaveCriticalSection(&xrender_cs);
return FALSE;
}
entry->realized[glyph] = TRUE;
buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buflen);
GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, buflen, buf, NULL);
TRACE("buflen = %d. Got metrics: %dx%d adv=%d,%d origin=%ld,%ld\n",
buflen,
gm.gmBlackBoxX, gm.gmBlackBoxY, gm.gmCellIncX, gm.gmCellIncY,
gm.gmptGlyphOrigin.x, gm.gmptGlyphOrigin.y);
gi.width = gm.gmBlackBoxX;
gi.height = gm.gmBlackBoxY;
gi.x = -gm.gmptGlyphOrigin.x;
gi.y = gm.gmptGlyphOrigin.y;
gi.xOff = gm.gmCellIncX;
gi.yOff = gm.gmCellIncY;
if(TRACE_ON(xrender)) {
int pitch, i, j;
char output[300];
unsigned char *line;
if(entry->aa == AA_None) {
pitch = ((gi.width + 31) / 32) * 4;
for(i = 0; i < gi.height; i++) {
line = buf + i * pitch;
output[0] = '\0';
for(j = 0; j < pitch * 8; j++) {
strcat(output, (line[j / 8] & (1 << (7 - (j % 8)))) ? "#" : " ");
}
strcat(output, "\n");
TRACE(output);
}
} else {
char blks[] = " .:;!o*#";
char str[2];
str[1] = '\0';
pitch = ((gi.width + 3) / 4) * 4;
for(i = 0; i < gi.height; i++) {
line = buf + i * pitch;
output[0] = '\0';
for(j = 0; j < pitch; j++) {
str[0] = blks[line[j] >> 5];
strcat(output, str);
}
strcat(output, "\n");
TRACE(output);
}
}
}
if(entry->glyphset) {
if(entry->aa == AA_None && BitmapBitOrder(gdi_display) != MSBFirst) {
unsigned char *byte = buf, c;
int i = buflen;
while(i--) {
c = *byte;
/* magic to flip bit order */
c = ((c << 1) & 0xaa) | ((c >> 1) & 0x55);
c = ((c << 2) & 0xcc) | ((c >> 2) & 0x33);
c = ((c << 4) & 0xf0) | ((c >> 4) & 0x0f);
*byte++ = c;
}
}
gid = glyph;
wine_tsx11_lock();
pXRenderAddGlyphs(gdi_display, entry->glyphset, &gid, &gi, 1,
buf, buflen);
wine_tsx11_unlock();
HeapFree(GetProcessHeap(), 0, buf);
} else {
entry->bitmaps[glyph] = buf;
memcpy(&entry->gis[glyph], &gi, sizeof(gi));
}
return TRUE;
}
static void SharpGlyphMono(X11DRV_PDEVICE *physDev, INT x, INT y,
void *bitmap, XGlyphInfo *gi)
{
unsigned char *srcLine = bitmap, *src;
unsigned char bits, bitsMask;
int width = gi->width;
int stride = ((width + 31) & ~31) >> 3;
int height = gi->height;
int w;
int xspan, lenspan;
TRACE("%d, %d\n", x, y);
x -= gi->x;
y -= gi->y;
while (height--)
{
src = srcLine;
srcLine += stride;
w = width;
bitsMask = 0x80; /* FreeType is always MSB first */
bits = *src++;
xspan = x;
while (w)
{
if (bits & bitsMask)
{
lenspan = 0;
do
{
lenspan++;
if (lenspan == w)
break;
bitsMask = bitsMask >> 1;
if (!bitsMask)
{
bits = *src++;
bitsMask = 0x80;
}
} while (bits & bitsMask);
XFillRectangle (gdi_display, physDev->drawable,
physDev->gc, xspan, y, lenspan, 1);
xspan += lenspan;
w -= lenspan;
}
else
{
do
{
w--;
xspan++;
if (!w)
break;
bitsMask = bitsMask >> 1;
if (!bitsMask)
{
bits = *src++;
bitsMask = 0x80;
}
} while (!(bits & bitsMask));
}
}
y++;
}
}
static void SharpGlyphGray(X11DRV_PDEVICE *physDev, INT x, INT y,
void *bitmap, XGlyphInfo *gi)
{
unsigned char *srcLine = bitmap, *src, bits;
int width = gi->width;
int stride = ((width + 3) & ~3);
int height = gi->height;
int w;
int xspan, lenspan;
x -= gi->x;
y -= gi->y;
while (height--)
{
src = srcLine;
srcLine += stride;
w = width;
bits = *src++;
xspan = x;
while (w)
{
if (bits >= 0x80)
{
lenspan = 0;
do
{
lenspan++;
if (lenspan == w)
break;
bits = *src++;
} while (bits >= 0x80);
XFillRectangle (gdi_display, physDev->drawable,
physDev->gc, xspan, y, lenspan, 1);
xspan += lenspan;
w -= lenspan;
}
else
{
do
{
w--;
xspan++;
if (!w)
break;
bits = *src++;
} while (bits < 0x80);
}
}
y++;
}
}
static void ExamineBitfield (DWORD mask, int *shift, int *len)
{
int s, l;
s = 0;
while ((mask & 1) == 0)
{
mask >>= 1;
s++;
}
l = 0;
while ((mask & 1) == 1)
{
mask >>= 1;
l++;
}
*shift = s;
*len = l;
}
static DWORD GetField (DWORD pixel, int shift, int len)
{
pixel = pixel & (((1 << (len)) - 1) << shift);
pixel = pixel << (32 - (shift + len)) >> 24;
while (len < 8)
{
pixel |= (pixel >> len);
len <<= 1;
}
return pixel;
}
static DWORD PutField (DWORD pixel, int shift, int len)
{
shift = shift - (8 - len);
if (len <= 8)
pixel &= (((1 << len) - 1) << (8 - len));
if (shift < 0)
pixel >>= -shift;
else
pixel <<= shift;
return pixel;
}
static void SmoothGlyphGray(XImage *image, int x, int y, void *bitmap, XGlyphInfo *gi,
COLORREF color)
{
int r_shift, r_len;
int g_shift, g_len;
int b_shift, b_len;
BYTE *maskLine, *mask, m;
int maskStride;
DWORD pixel;
int width, height;
int w, tx;
BYTE src_r, src_g, src_b;
src_r = GetRValue(color);
src_g = GetGValue(color);
src_b = GetBValue(color);
x -= gi->x;
y -= gi->y;
width = gi->width;
height = gi->height;
maskLine = (unsigned char *) bitmap;
maskStride = (width + 3) & ~3;
ExamineBitfield (image->red_mask, &r_shift, &r_len);
ExamineBitfield (image->green_mask, &g_shift, &g_len);
ExamineBitfield (image->blue_mask, &b_shift, &b_len);
for(; height--; y++)
{
mask = maskLine;
maskLine += maskStride;
w = width;
tx = x;
if(y < 0) continue;
if(y >= image->height) break;
for(; w--; tx++)
{
if(tx >= image->width) break;
m = *mask++;
if(tx < 0) continue;
if (m == 0xff)
{
pixel = (PutField ((src_r), r_shift, r_len) |
PutField ((src_g), g_shift, g_len) |
PutField ((src_b), b_shift, b_len));
XPutPixel (image, tx, y, pixel);
}
else if (m)
{
BYTE r, g, b;
pixel = XGetPixel (image, tx, y);
r = GetField(pixel, r_shift, r_len);
r = ((BYTE)~m * (WORD)r + (BYTE)m * (WORD)src_r) >> 8;
g = GetField(pixel, g_shift, g_len);
g = ((BYTE)~m * (WORD)g + (BYTE)m * (WORD)src_g) >> 8;
b = GetField(pixel, b_shift, b_len);
b = ((BYTE)~m * (WORD)b + (BYTE)m * (WORD)src_b) >> 8;
pixel = (PutField (r, r_shift, r_len) |
PutField (g, g_shift, g_len) |
PutField (b, b_shift, b_len));
XPutPixel (image, tx, y, pixel);
}
}
}
}
static int XRenderErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
{
return 1;
}
/***********************************************************************
* X11DRV_XRender_ExtTextOut
*/
BOOL X11DRV_XRender_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
const RECT *lprect, LPCWSTR wstr, UINT count,
const INT *lpDx )
{
XRenderColor col;
int idx;
TEXTMETRICW tm;
RGNDATA *data;
SIZE sz;
RECT rc;
BOOL done_extents = FALSE;
INT width, xwidth, ywidth;
double cosEsc, sinEsc;
XGCValues xgcval;
LOGFONTW lf;
int render_op = PictOpOver;
WORD *glyphs;
POINT pt;
gsCacheEntry *entry;
BOOL retv = FALSE;
HDC hdc = physDev->hdc;
DC *dc = physDev->dc;
int textPixel, backgroundPixel;
INT *deltas = NULL;
INT char_extra;
TRACE("%p, %d, %d, %08x, %p, %s, %d, %p)\n", hdc, x, y, flags,
lprect, debugstr_wn(wstr, count), count, lpDx);
if(flags & ETO_GLYPH_INDEX)
glyphs = (LPWORD)wstr;
else {
glyphs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
GetGlyphIndicesW(hdc, wstr, count, glyphs, 0);
}
if(lprect)
TRACE("rect: %ld,%ld - %ld,%ld\n", lprect->left, lprect->top, lprect->right,
lprect->bottom);
TRACE("align = %x bkmode = %x mapmode = %x\n", dc->textAlign, GetBkMode(hdc), dc->MapMode);
if(dc->textAlign & TA_UPDATECP) {
x = dc->CursPosX;
y = dc->CursPosY;
}
GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf);
if(lf.lfEscapement != 0) {
cosEsc = cos(lf.lfEscapement * M_PI / 1800);
sinEsc = sin(lf.lfEscapement * M_PI / 1800);
} else {
cosEsc = 1;
sinEsc = 0;
}
if(flags & (ETO_CLIPPED | ETO_OPAQUE)) {
if(!lprect) {
if(flags & ETO_CLIPPED) return FALSE;
GetTextExtentPointI(hdc, glyphs, count, &sz);
done_extents = TRUE;
rc.left = x;
rc.top = y;
rc.right = x + sz.cx;
rc.bottom = y + sz.cy;
} else {
rc = *lprect;
}
LPtoDP(physDev->hdc, (POINT*)&rc, 2);
if(rc.left > rc.right) {INT tmp = rc.left; rc.left = rc.right; rc.right = tmp;}
if(rc.top > rc.bottom) {INT tmp = rc.top; rc.top = rc.bottom; rc.bottom = tmp;}
}
xgcval.function = GXcopy;
xgcval.background = physDev->backgroundPixel;
xgcval.fill_style = FillSolid;
TSXChangeGC( gdi_display, physDev->gc,
GCFunction | GCBackground | GCFillStyle, &xgcval );
X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod, FALSE );
if(dc->bitsPerPixel == 1) {
if((dc->textColor & 0xffffff) == 0) {
textPixel = 0;
backgroundPixel = 1;
} else {
textPixel = 1;
backgroundPixel = 0;
}
} else {
textPixel = physDev->textPixel;
backgroundPixel = physDev->backgroundPixel;
}
if(flags & ETO_OPAQUE) {
TSXSetForeground( gdi_display, physDev->gc, backgroundPixel );
TSXFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->org.x + rc.left, physDev->org.y + rc.top,
rc.right - rc.left, rc.bottom - rc.top );
}
if(count == 0) {
retv = TRUE;
goto done;
}
pt.x = x;
pt.y = y;
LPtoDP(physDev->hdc, &pt, 1);
x = pt.x;
y = pt.y;
TRACE("real x,y %d,%d\n", x, y);
if((char_extra = GetTextCharacterExtra(physDev->hdc)) != 0) {
INT i;
SIZE tmpsz;
deltas = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
for(i = 0; i < count; i++) {
deltas[i] = char_extra;
if(lpDx)
deltas[i] += lpDx[i];
else {
GetTextExtentPointI(hdc, glyphs + i, 1, &tmpsz);
deltas[i] += tmpsz.cx;
}
}
} else if(lpDx)
deltas = (INT*)lpDx;
if(deltas) {
width = 0;
for(idx = 0; idx < count; idx++)
width += deltas[idx];
} else {
if(!done_extents) {
GetTextExtentPointI(hdc, glyphs, count, &sz);
done_extents = TRUE;
}
width = sz.cx;
}
width = INTERNAL_XWSTODS(dc, width);
xwidth = width * cosEsc;
ywidth = width * sinEsc;
GetTextMetricsW(hdc, &tm);
tm.tmAscent = INTERNAL_YWSTODS(dc, tm.tmAscent);
tm.tmDescent = INTERNAL_YWSTODS(dc, tm.tmDescent);
switch( dc->textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER) ) {
case TA_LEFT:
if (dc->textAlign & TA_UPDATECP) {
pt.x = x + xwidth;
pt.y = y - ywidth;
DPtoLP(physDev->hdc, &pt, 1);
dc->CursPosX = pt.x;
dc->CursPosY = pt.y;
}
break;
case TA_CENTER:
x -= xwidth / 2;
y += ywidth / 2;
break;
case TA_RIGHT:
x -= xwidth;
y += ywidth;
if (dc->textAlign & TA_UPDATECP) {
pt.x = x;
pt.y = y;
DPtoLP(physDev->hdc, &pt, 1);
dc->CursPosX = pt.x;
dc->CursPosY = pt.y;
}
break;
}
switch( dc->textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE) ) {
case TA_TOP:
y += tm.tmAscent * cosEsc;
x += tm.tmAscent * sinEsc;
break;
case TA_BOTTOM:
y -= tm.tmDescent * cosEsc;
x -= tm.tmDescent * sinEsc;
break;
case TA_BASELINE:
break;
}
if (flags & ETO_CLIPPED)
{
SaveVisRgn16( HDC_16(hdc) );
IntersectVisRect16( HDC_16(dc->hSelf), lprect->left, lprect->top, lprect->right, lprect->bottom );
}
if(X11DRV_XRender_Installed) {
if(!physDev->xrender->pict) {
XRenderPictureAttributes pa;
pa.subwindow_mode = IncludeInferiors;
wine_tsx11_lock();
physDev->xrender->pict = pXRenderCreatePicture(gdi_display,
physDev->drawable,
(dc->bitsPerPixel == 1) ?
mono_format : screen_format,
CPSubwindowMode, &pa);
wine_tsx11_unlock();
TRACE("allocing pict = %lx dc = %p drawable = %08lx\n", physDev->xrender->pict, dc, physDev->drawable);
} else {
TRACE("using existing pict = %lx dc = %p drawable = %08lx\n", physDev->xrender->pict, dc, physDev->drawable);
}
if ((data = X11DRV_GetRegionData( dc->hGCClipRgn, 0 )))
{
wine_tsx11_lock();
pXRenderSetPictureClipRectangles( gdi_display, physDev->xrender->pict,
physDev->org.x, physDev->org.y,
(XRectangle *)data->Buffer, data->rdh.nCount );
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, data );
}
}
if(GetBkMode(hdc) != TRANSPARENT) {
if(!((flags & ETO_CLIPPED) && (flags & ETO_OPAQUE))) {
if(!(flags & ETO_OPAQUE) || x < rc.left || x + width >= rc.right ||
y - tm.tmAscent < rc.top || y + tm.tmDescent >= rc.bottom) {
TSXSetForeground( gdi_display, physDev->gc, backgroundPixel );
TSXFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->org.x + x, physDev->org.y + y - tm.tmAscent,
width, tm.tmAscent + tm.tmDescent );
}
}
}
if(X11DRV_XRender_Installed) {
/* Create a 1x1 pixmap to tile over the font mask */
if(!physDev->xrender->tile_xpm) {
XRenderPictureAttributes pa;
XRenderPictFormat *format = (dc->bitsPerPixel == 1) ? mono_format : screen_format;
wine_tsx11_lock();
physDev->xrender->tile_xpm = XCreatePixmap(gdi_display,
physDev->drawable,
1, 1,
format->depth);
pa.repeat = True;
physDev->xrender->tile_pict = pXRenderCreatePicture(gdi_display,
physDev->xrender->tile_xpm,
format,
CPRepeat, &pa);
wine_tsx11_unlock();
TRACE("Created pixmap of depth %d\n", format->depth);
/* init lastTextColor to something different from dc->textColor */
physDev->xrender->lastTextColor = ~dc->textColor;
}
if(dc->textColor != physDev->xrender->lastTextColor) {
if(dc->bitsPerPixel != 1) {
/* Map 0 -- 0xff onto 0 -- 0xffff */
col.red = GetRValue(dc->textColor);
col.red |= col.red << 8;
col.green = GetGValue(dc->textColor);
col.green |= col.green << 8;
col.blue = GetBValue(dc->textColor);
col.blue |= col.blue << 8;
col.alpha = 0x0;
} else { /* for a 1bpp bitmap we always need a 1 in the tile */
col.red = col.green = col.blue = 0;
col.alpha = 0xffff;
}
wine_tsx11_lock();
pXRenderFillRectangle(gdi_display, PictOpSrc,
physDev->xrender->tile_pict,
&col, 0, 0, 1, 1);
wine_tsx11_unlock();
physDev->xrender->lastTextColor = dc->textColor;
}
/* FIXME the mapping of Text/BkColor onto 1 or 0 needs investigation.
*/
if((dc->bitsPerPixel == 1) && (textPixel == 0))
render_op = PictOpOutReverse; /* This gives us 'black' text */
}
EnterCriticalSection(&xrender_cs);
entry = glyphsetCache + physDev->xrender->cache_index;
for(idx = 0; idx < count; idx++) {
if(glyphs[idx] >= entry->nrealized || entry->realized[glyphs[idx]] == FALSE) {
UploadGlyph(physDev, glyphs[idx]);
}
}
TRACE("Writing %s at %ld,%ld\n", debugstr_wn(wstr,count),
physDev->org.x + x, physDev->org.y + y);
if(X11DRV_XRender_Installed) {
wine_tsx11_lock();
if(!deltas)
pXRenderCompositeString16(gdi_display, render_op,
physDev->xrender->tile_pict,
physDev->xrender->pict,
entry->font_format, entry->glyphset,
0, 0, physDev->org.x + x, physDev->org.y + y,
glyphs, count);
else {
INT offset = 0, xoff = 0, yoff = 0;
for(idx = 0; idx < count; idx++) {
pXRenderCompositeString16(gdi_display, render_op,
physDev->xrender->tile_pict,
physDev->xrender->pict,
entry->font_format, entry->glyphset,
0, 0, physDev->org.x + x + xoff,
physDev->org.y + y + yoff,
glyphs + idx, 1);
offset += INTERNAL_XWSTODS(dc, deltas[idx]);
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
}
}
wine_tsx11_unlock();
} else {
INT offset = 0, xoff = 0, yoff = 0;
wine_tsx11_lock();
XSetForeground( gdi_display, physDev->gc, textPixel );
if(entry->aa == AA_None) {
for(idx = 0; idx < count; idx++) {
SharpGlyphMono(physDev, physDev->org.x + x + xoff,
physDev->org.y + y + yoff,
entry->bitmaps[glyphs[idx]],
&entry->gis[glyphs[idx]]);
if(deltas) {
offset += INTERNAL_XWSTODS(dc, deltas[idx]);
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += entry->gis[glyphs[idx]].xOff;
yoff += entry->gis[glyphs[idx]].yOff;
}
}
} else if(dc->bitsPerPixel == 1) {
for(idx = 0; idx < count; idx++) {
SharpGlyphGray(physDev, physDev->org.x + x + xoff,
physDev->org.y + y + yoff,
entry->bitmaps[glyphs[idx]],
&entry->gis[glyphs[idx]]);
if(deltas) {
offset += INTERNAL_XWSTODS(dc, deltas[idx]);
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += entry->gis[glyphs[idx]].xOff;
yoff += entry->gis[glyphs[idx]].yOff;
}
}
} else {
XImage *image;
unsigned int w, h, dummy_uint;
Window dummy_window;
int dummy_int;
int image_x, image_y, image_off_x, image_off_y, image_w, image_h;
RECT extents = {0, 0, 0, 0};
POINT cur = {0, 0};
XGetGeometry(gdi_display, physDev->drawable, &dummy_window, &dummy_int, &dummy_int,
&w, &h, &dummy_uint, &dummy_uint);
TRACE("drawable %dx%d\n", w, h);
for(idx = 0; idx < count; idx++) {
if(extents.left > cur.x - entry->gis[glyphs[idx]].x)
extents.left = cur.x - entry->gis[glyphs[idx]].x;
if(extents.top > cur.y - entry->gis[glyphs[idx]].y)
extents.top = cur.y - entry->gis[glyphs[idx]].y;
if(extents.right < cur.x - entry->gis[glyphs[idx]].x + entry->gis[glyphs[idx]].width)
extents.right = cur.x - entry->gis[glyphs[idx]].x + entry->gis[glyphs[idx]].width;
if(extents.bottom < cur.y - entry->gis[glyphs[idx]].y + entry->gis[glyphs[idx]].height)
extents.bottom = cur.y - entry->gis[glyphs[idx]].y + entry->gis[glyphs[idx]].height;
if(deltas) {
offset += INTERNAL_XWSTODS(dc, deltas[idx]);
cur.x = offset * cosEsc;
cur.y = offset * -sinEsc;
} else {
cur.x += entry->gis[glyphs[idx]].xOff;
cur.y += entry->gis[glyphs[idx]].yOff;
}
}
TRACE("glyph extents %ld,%ld - %ld,%ld drawable x,y %ld,%ld\n", extents.left, extents.top,
extents.right, extents.bottom, physDev->org.x + x, physDev->org.y + y);
if(physDev->org.x + x + extents.left >= 0) {
image_x = physDev->org.x + x + extents.left;
image_off_x = 0;
} else {
image_x = 0;
image_off_x = physDev->org.x + x + extents.left;
}
if(physDev->org.y + y + extents.top >= 0) {
image_y = physDev->org.y + y + extents.top;
image_off_y = 0;
} else {
image_y = 0;
image_off_y = physDev->org.y + y + extents.top;
}
if(physDev->org.x + x + extents.right < w)
image_w = physDev->org.x + x + extents.right - image_x;
else
image_w = w - image_x;
if(physDev->org.y + y + extents.bottom < h)
image_h = physDev->org.y + y + extents.bottom - image_y;
else
image_h = h - image_y;
if(image_w <= 0 || image_h <= 0) goto no_image;
X11DRV_expect_error(gdi_display, XRenderErrorHandler, NULL);
image = XGetImage(gdi_display, physDev->drawable,
image_x, image_y, image_w, image_h,
AllPlanes, ZPixmap);
X11DRV_check_error();
TRACE("XGetImage(%p, %x, %d, %d, %d, %d, %lx, %x) depth = %d rets %p\n",
gdi_display, (int)physDev->drawable, image_x, image_y,
image_w, image_h, AllPlanes, ZPixmap,
dc->bitsPerPixel, image);
if(!image) {
Pixmap xpm = XCreatePixmap(gdi_display, physDev->drawable, image_w, image_h,
dc->bitsPerPixel);
GC gc;
XGCValues gcv;
gcv.graphics_exposures = False;
gc = XCreateGC(gdi_display, xpm, GCGraphicsExposures, &gcv);
XCopyArea(gdi_display, physDev->drawable, xpm, gc, image_x, image_y,
image_w, image_h, 0, 0);
XFreeGC(gdi_display, gc);
X11DRV_expect_error(gdi_display, XRenderErrorHandler, NULL);
image = XGetImage(gdi_display, xpm, 0, 0, image_w, image_h, AllPlanes,
ZPixmap);
X11DRV_check_error();
XFreePixmap(gdi_display, xpm);
}
if(!image) goto no_image;
image->red_mask = visual->red_mask;
image->green_mask = visual->green_mask;
image->blue_mask = visual->blue_mask;
offset = xoff = yoff = 0;
for(idx = 0; idx < count; idx++) {
SmoothGlyphGray(image, xoff + image_off_x - extents.left,
yoff + image_off_y - extents.top,
entry->bitmaps[glyphs[idx]],
&entry->gis[glyphs[idx]],
dc->textColor);
if(deltas) {
offset += INTERNAL_XWSTODS(dc, deltas[idx]);
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += entry->gis[glyphs[idx]].xOff;
yoff += entry->gis[glyphs[idx]].yOff;
}
}
XPutImage(gdi_display, physDev->drawable, physDev->gc, image, 0, 0,
image_x, image_y, image_w, image_h);
XDestroyImage(image);
}
no_image:
wine_tsx11_unlock();
}
LeaveCriticalSection(&xrender_cs);
if(deltas && deltas != lpDx)
HeapFree(GetProcessHeap(), 0, deltas);
if (flags & ETO_CLIPPED)
RestoreVisRgn16( HDC_16(hdc) );
retv = TRUE;
done:
X11DRV_UnlockDIBSection( physDev, TRUE );
if(glyphs != wstr) HeapFree(GetProcessHeap(), 0, glyphs);
return retv;
}
#else /* HAVE_X11_EXTENSIONS_XRENDER_H */
void X11DRV_XRender_Init(void)
{
TRACE("XRender support not compiled in.\n");
return;
}
void X11DRV_XRender_Finalize(void)
{
}
BOOL X11DRV_XRender_SelectFont(X11DRV_PDEVICE *physDev, HFONT hfont)
{
assert(0);
return FALSE;
}
void X11DRV_XRender_DeleteDC(X11DRV_PDEVICE *physDev)
{
assert(0);
return;
}
BOOL X11DRV_XRender_ExtTextOut( X11DRV_PDEVICE *physDev, INT x, INT y, UINT flags,
const RECT *lprect, LPCWSTR wstr, UINT count,
const INT *lpDx )
{
assert(0);
return FALSE;
}
void X11DRV_XRender_UpdateDrawable(X11DRV_PDEVICE *physDev)
{
assert(0);
return;
}
#endif /* HAVE_X11_EXTENSIONS_XRENDER_H */
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