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wine/dlls/winex11.drv/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winternl.h"
#include "wine/library.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 <X11/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;
SIZE devsize; /* size in device coords */
DWORD hash;
} LFANDSIZE;
#define INITIAL_REALIZED_BUF_SIZE 128
typedef enum { AA_None = 0, AA_Grey, AA_RGB, AA_BGR, AA_VRGB, AA_VBGR, AA_MAXVALUE } AA_Type;
typedef struct
{
GlyphSet glyphset;
XRenderPictFormat *font_format;
int nrealized;
BOOL *realized;
void **bitmaps;
XGlyphInfo *gis;
} gsCacheEntryFormat;
typedef struct
{
LFANDSIZE lfsz;
AA_Type aa_default;
gsCacheEntryFormat * format[AA_MAXVALUE];
INT 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(XRenderComposite)
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)
#ifdef HAVE_XRENDERSETPICTURETRANSFORM
MAKE_FUNCPTR(XRenderSetPictureTransform)
#endif
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, { (DWORD_PTR)(__FILE__ ": xrender_cs") }
};
static CRITICAL_SECTION xrender_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (ULONG)_x4 << 24 ) | \
( (ULONG)_x3 << 16 ) | \
( (ULONG)_x2 << 8 ) | \
(ULONG)_x1 )
#define MS_GASP_TAG MS_MAKE_TAG('g', 'a', 's', 'p')
#define GASP_GRIDFIT 0x01
#define GASP_DOGRAY 0x02
#ifdef WORDS_BIGENDIAN
#define get_be_word(x) (x)
#else
#define get_be_word(x) RtlUshortByteSwap(x)
#endif
/***********************************************************************
* X11DRV_XRender_Init
*
* Let's see if our XServer has the extension available
*
*/
void X11DRV_XRender_Init(void)
{
int 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(XRenderComposite)
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
#ifdef HAVE_XRENDERSETPICTURETRANSFORM
#define LOAD_OPTIONAL_FUNCPTR(f) p##f = wine_dlsym(xrender_handle, #f, NULL, 0);
LOAD_OPTIONAL_FUNCPTR(XRenderSetPictureTransform)
#undef LOAD_OPTIONAL_FUNCPTR
#endif
wine_tsx11_lock();
if(pXRenderQueryExtension(gdi_display, &event_base, &xrender_error_base)) {
X11DRV_XRender_Installed = TRUE;
TRACE("Xrender is up and running error_base = %d\n", xrender_error_base);
screen_format = pXRenderFindVisualFormat(gdi_display, visual);
if(!screen_format)
{
/* Xrender doesn't like DirectColor visuals, try to find a TrueColor one instead */
if (visual->class == DirectColor)
{
XVisualInfo info;
if (XMatchVisualInfo( gdi_display, DefaultScreen(gdi_display),
screen_depth, TrueColor, &info ))
{
screen_format = pXRenderFindVisualFormat(gdi_display, info.visual);
if (screen_format) visual = info.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;
}
if (!visual->red_mask || !visual->green_mask || !visual->blue_mask) {
WARN("one or more of the colour masks are 0, disabling XRENDER. Try running in 16-bit mode or higher.\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->devsize, &p2->devsize, sizeof(p1->devsize))) 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, format;
for(format = 0; format < AA_MAXVALUE; format++) {
gsCacheEntryFormat * formatEntry;
if( !glyphsetCache[entry].format[format] )
continue;
formatEntry = glyphsetCache[entry].format[format];
if(formatEntry->glyphset) {
wine_tsx11_lock();
pXRenderFreeGlyphSet(gdi_display, formatEntry->glyphset);
wine_tsx11_unlock();
formatEntry->glyphset = 0;
}
if(formatEntry->nrealized) {
HeapFree(GetProcessHeap(), 0, formatEntry->realized);
formatEntry->realized = NULL;
if(formatEntry->bitmaps) {
for(i = 0; i < formatEntry->nrealized; i++)
HeapFree(GetProcessHeap(), 0, formatEntry->bitmaps[i]);
HeapFree(GetProcessHeap(), 0, formatEntry->bitmaps);
formatEntry->bitmaps = NULL;
HeapFree(GetProcessHeap(), 0, formatEntry->gis);
formatEntry->gis = NULL;
}
formatEntry->nrealized = 0;
}
HeapFree(GetProcessHeap(), 0, formatEntry);
glyphsetCache[entry].format[format] = NULL;
}
}
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");
if (glyphsetCache)
glyphsetCache = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
glyphsetCache,
(glyphsetCacheSize + INIT_CACHE_SIZE)
* sizeof(*glyphsetCache));
else
glyphsetCache = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
(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 BOOL get_gasp_flags(X11DRV_PDEVICE *physDev, WORD *flags)
{
DWORD size;
WORD *gasp, *buffer;
WORD num_recs;
DWORD ppem;
TEXTMETRICW tm;
*flags = 0;
size = GetFontData(physDev->hdc, MS_GASP_TAG, 0, NULL, 0);
if(size == GDI_ERROR)
return FALSE;
gasp = buffer = HeapAlloc(GetProcessHeap(), 0, size);
GetFontData(physDev->hdc, MS_GASP_TAG, 0, gasp, size);
GetTextMetricsW(physDev->hdc, &tm);
ppem = abs(X11DRV_YWStoDS(physDev, tm.tmAscent + tm.tmDescent - tm.tmInternalLeading));
gasp++;
num_recs = get_be_word(*gasp);
gasp++;
while(num_recs--)
{
*flags = get_be_word(*(gasp + 1));
if(ppem <= get_be_word(*gasp))
break;
gasp += 2;
}
TRACE("got flags %04x for ppem %d\n", *flags, ppem);
HeapFree(GetProcessHeap(), 0, buffer);
return TRUE;
}
static int GetCacheEntry(X11DRV_PDEVICE *physDev, LFANDSIZE *plfsz)
{
int ret;
int format;
gsCacheEntry *entry;
WORD flags;
static int hinter = -1;
if((ret = LookupEntry(plfsz)) != -1) return ret;
ret = AllocEntry();
entry = glyphsetCache + ret;
entry->lfsz = *plfsz;
for( format = 0; format < AA_MAXVALUE; format++ ) {
assert( !entry->format[format] );
}
if(antialias && plfsz->lf.lfQuality != NONANTIALIASED_QUALITY)
{
if(hinter == -1)
{
RASTERIZER_STATUS status;
GetRasterizerCaps(&status, sizeof(status));
hinter = status.wFlags & WINE_TT_HINTER_ENABLED;
}
if(!hinter || !get_gasp_flags(physDev, &flags) || flags & GASP_DOGRAY)
entry->aa_default = AA_Grey;
else
entry->aa_default = AA_None;
}
else
entry->aa_default = AA_None;
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;
hash ^= plfsz->devsize.cx;
hash ^= plfsz->devsize.cy;
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=%d w=%d weight=%d 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.devsize.cx = X11DRV_XWStoDS( physDev, lfsz.lf.lfWidth );
lfsz.devsize.cy = X11DRV_YWStoDS( physDev, lfsz.lf.lfHeight );
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(physDev, &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->hdc);
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->hdc, 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, AA_Type format)
{
unsigned int buflen;
char *buf;
Glyph gid;
GLYPHMETRICS gm;
XGlyphInfo gi;
gsCacheEntry *entry = glyphsetCache + physDev->xrender->cache_index;
gsCacheEntryFormat *formatEntry;
UINT ggo_format = GGO_GLYPH_INDEX;
XRenderPictFormat pf;
switch(format) {
case AA_Grey:
ggo_format |= WINE_GGO_GRAY16_BITMAP;
break;
default:
ERR("aa = %d - not implemented\n", format);
case AA_None:
ggo_format |= GGO_BITMAP;
break;
}
buflen = GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, 0, NULL,
NULL);
if(buflen == GDI_ERROR) {
if(format != AA_None) {
format = AA_None;
entry->aa_default = AA_None;
ggo_format &= ~WINE_GGO_GRAY16_BITMAP;
ggo_format |= GGO_BITMAP;
buflen = GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, 0, NULL,
NULL);
}
if(buflen == GDI_ERROR) {
ERR("GetGlyphOutlineW failed\n");
return FALSE;
}
TRACE("Turning off antialiasing for this monochrome font\n");
}
/* If there is nothing for the current type, we create the entry. */
if( !entry->format[format] ) {
entry->format[format] = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
sizeof(gsCacheEntryFormat));
}
formatEntry = entry->format[format];
if(formatEntry->nrealized <= glyph) {
formatEntry->nrealized = (glyph / 128 + 1) * 128;
if (formatEntry->realized)
formatEntry->realized = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->realized,
formatEntry->nrealized * sizeof(BOOL));
else
formatEntry->realized = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->nrealized * sizeof(BOOL));
if(!X11DRV_XRender_Installed) {
if (formatEntry->bitmaps)
formatEntry->bitmaps = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->bitmaps,
formatEntry->nrealized * sizeof(formatEntry->bitmaps[0]));
else
formatEntry->bitmaps = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->nrealized * sizeof(formatEntry->bitmaps[0]));
if (formatEntry->gis)
formatEntry->gis = HeapReAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->gis,
formatEntry->nrealized * sizeof(formatEntry->gis[0]));
else
formatEntry->gis = HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
formatEntry->nrealized * sizeof(formatEntry->gis[0]));
}
}
if(formatEntry->glyphset == 0 && X11DRV_XRender_Installed) {
switch(format) {
case AA_Grey:
pf.depth = 8;
pf.direct.alphaMask = 0xff;
break;
default:
ERR("aa = %d - not implemented\n", format);
case AA_None:
pf.depth = 1;
pf.direct.alphaMask = 1;
break;
}
pf.type = PictTypeDirect;
pf.direct.alpha = 0;
wine_tsx11_lock();
formatEntry->font_format = pXRenderFindFormat(gdi_display,
PictFormatType |
PictFormatDepth |
PictFormatAlpha |
PictFormatAlphaMask,
&pf, 0);
formatEntry->glyphset = pXRenderCreateGlyphSet(gdi_display, formatEntry->font_format);
wine_tsx11_unlock();
}
buf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buflen);
GetGlyphOutlineW(physDev->hdc, glyph, ggo_format, &gm, buflen, buf, NULL);
formatEntry->realized[glyph] = TRUE;
TRACE("buflen = %d. Got metrics: %dx%d adv=%d,%d origin=%d,%d\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(format == AA_None) {
pitch = ((gi.width + 31) / 32) * 4;
for(i = 0; i < gi.height; i++) {
line = (unsigned char*) 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 {
static const char blks[] = " .:;!o*#";
char str[2];
str[1] = '\0';
pitch = ((gi.width + 3) / 4) * 4;
for(i = 0; i < gi.height; i++) {
line = (unsigned char*) 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(formatEntry->glyphset) {
if(format == AA_None && BitmapBitOrder(gdi_display) != MSBFirst) {
unsigned char *byte = (unsigned char*) 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, formatEntry->glyphset, &gid, &gi, 1,
buf, buflen);
wine_tsx11_unlock();
HeapFree(GetProcessHeap(), 0, buf);
} else {
formatEntry->bitmaps[glyph] = buf;
memcpy(&formatEntry->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,
int 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;
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);
src_r = GetField(color, r_shift, r_len);
src_g = GetField(color, g_shift, g_len);
src_b = GetField(color, 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)
XPutPixel (image, tx, y, color);
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;
RGNDATA *data;
XGCValues xgcval;
int render_op = PictOpOver;
gsCacheEntry *entry;
gsCacheEntryFormat *formatEntry;
BOOL retv = FALSE;
HDC hdc = physDev->hdc;
int textPixel, backgroundPixel;
HRGN saved_region = 0;
BOOL disable_antialias = FALSE;
AA_Type antialias = AA_None;
DIBSECTION bmp;
unsigned int idx;
double cosEsc, sinEsc;
LOGFONTW lf;
/* Do we need to disable antialiasing because of palette mode? */
if( !physDev->bitmap || GetObjectW( physDev->bitmap->hbitmap, sizeof(bmp), &bmp ) != sizeof(bmp) ) {
TRACE("bitmap is not a DIB\n");
}
else if (bmp.dsBmih.biBitCount <= 8) {
TRACE("Disabling antialiasing\n");
disable_antialias = TRUE;
}
xgcval.function = GXcopy;
xgcval.background = physDev->backgroundPixel;
xgcval.fill_style = FillSolid;
wine_tsx11_lock();
XChangeGC( gdi_display, physDev->gc, GCFunction | GCBackground | GCFillStyle, &xgcval );
wine_tsx11_unlock();
X11DRV_LockDIBSection( physDev, DIB_Status_GdiMod, FALSE );
if(physDev->depth == 1) {
if((physDev->textPixel & 0xffffff) == 0) {
textPixel = 0;
backgroundPixel = 1;
} else {
textPixel = 1;
backgroundPixel = 0;
}
} else {
textPixel = physDev->textPixel;
backgroundPixel = physDev->backgroundPixel;
}
if(flags & ETO_OPAQUE)
{
wine_tsx11_lock();
XSetForeground( gdi_display, physDev->gc, backgroundPixel );
XFillRectangle( gdi_display, physDev->drawable, physDev->gc,
physDev->dc_rect.left + lprect->left, physDev->dc_rect.top + lprect->top,
lprect->right - lprect->left, lprect->bottom - lprect->top );
wine_tsx11_unlock();
}
if(count == 0)
{
retv = TRUE;
goto done_unlock;
}
GetObjectW(GetCurrentObject(physDev->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)
{
HRGN clip_region;
clip_region = CreateRectRgnIndirect( lprect );
/* make a copy of the current device region */
saved_region = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( saved_region, physDev->region, 0, RGN_COPY );
X11DRV_SetDeviceClipping( physDev, saved_region, clip_region );
DeleteObject( clip_region );
}
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,
(physDev->depth == 1) ?
mono_format : screen_format,
CPSubwindowMode, &pa);
wine_tsx11_unlock();
TRACE("allocing pict = %lx dc = %p drawable = %08lx\n",
physDev->xrender->pict, hdc, physDev->drawable);
} else {
TRACE("using existing pict = %lx dc = %p drawable = %08lx\n",
physDev->xrender->pict, hdc, physDev->drawable);
}
if ((data = X11DRV_GetRegionData( physDev->region, 0 )))
{
wine_tsx11_lock();
pXRenderSetPictureClipRectangles( gdi_display, physDev->xrender->pict,
physDev->dc_rect.left, physDev->dc_rect.top,
(XRectangle *)data->Buffer, data->rdh.nCount );
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, data );
}
}
if(X11DRV_XRender_Installed) {
/* Create a 1x1 pixmap to tile over the font mask */
if(!physDev->xrender->tile_xpm) {
XRenderPictureAttributes pa;
XRenderPictFormat *format = (physDev->depth == 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 textPixel */
physDev->xrender->lastTextColor = ~physDev->textPixel;
}
if(physDev->textPixel != physDev->xrender->lastTextColor) {
if(physDev->depth != 1) {
/* Map 0 -- 0xff onto 0 -- 0xffff */
int r_shift, r_len;
int g_shift, g_len;
int b_shift, b_len;
ExamineBitfield (visual->red_mask, &r_shift, &r_len );
ExamineBitfield (visual->green_mask, &g_shift, &g_len);
ExamineBitfield (visual->blue_mask, &b_shift, &b_len);
col.red = GetField(physDev->textPixel, r_shift, r_len);
col.red |= col.red << 8;
col.green = GetField(physDev->textPixel, g_shift, g_len);
col.green |= col.green << 8;
col.blue = GetField(physDev->textPixel, b_shift, b_len);
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 = physDev->textPixel;
}
/* FIXME the mapping of Text/BkColor onto 1 or 0 needs investigation.
*/
if((physDev->depth == 1) && (textPixel == 0))
render_op = PictOpOutReverse; /* This gives us 'black' text */
}
EnterCriticalSection(&xrender_cs);
entry = glyphsetCache + physDev->xrender->cache_index;
if( disable_antialias == FALSE )
antialias = entry->aa_default;
formatEntry = entry->format[antialias];
for(idx = 0; idx < count; idx++) {
if( !formatEntry ) {
UploadGlyph(physDev, wstr[idx], antialias);
/* re-evaluate antialias since aa_default may have changed */
if( disable_antialias == FALSE )
antialias = entry->aa_default;
formatEntry = entry->format[antialias];
} else if( wstr[idx] >= formatEntry->nrealized || formatEntry->realized[wstr[idx]] == FALSE) {
UploadGlyph(physDev, wstr[idx], antialias);
}
}
assert(formatEntry);
TRACE("Writing %s at %d,%d\n", debugstr_wn(wstr,count),
physDev->dc_rect.left + x, physDev->dc_rect.top + y);
if(X11DRV_XRender_Installed) {
wine_tsx11_lock();
if(!lpDx)
pXRenderCompositeString16(gdi_display, render_op,
physDev->xrender->tile_pict,
physDev->xrender->pict,
formatEntry->font_format, formatEntry->glyphset,
0, 0, physDev->dc_rect.left + x, physDev->dc_rect.top + y,
wstr, 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,
formatEntry->font_format, formatEntry->glyphset,
0, 0, physDev->dc_rect.left + x + xoff,
physDev->dc_rect.top + y + yoff,
wstr + idx, 1);
offset += lpDx[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(antialias == AA_None) {
for(idx = 0; idx < count; idx++) {
SharpGlyphMono(physDev, physDev->dc_rect.left + x + xoff,
physDev->dc_rect.top + y + yoff,
formatEntry->bitmaps[wstr[idx]],
&formatEntry->gis[wstr[idx]]);
if(lpDx) {
offset += lpDx[idx];
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += formatEntry->gis[wstr[idx]].xOff;
yoff += formatEntry->gis[wstr[idx]].yOff;
}
}
} else if(physDev->depth == 1) {
for(idx = 0; idx < count; idx++) {
SharpGlyphGray(physDev, physDev->dc_rect.left + x + xoff,
physDev->dc_rect.top + y + yoff,
formatEntry->bitmaps[wstr[idx]],
&formatEntry->gis[wstr[idx]]);
if(lpDx) {
offset += lpDx[idx];
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += formatEntry->gis[wstr[idx]].xOff;
yoff += formatEntry->gis[wstr[idx]].yOff;
}
}
} else {
XImage *image;
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};
int w = physDev->drawable_rect.right - physDev->drawable_rect.left;
int h = physDev->drawable_rect.bottom - physDev->drawable_rect.top;
TRACE("drawable %dx%d\n", w, h);
for(idx = 0; idx < count; idx++) {
if(extents.left > cur.x - formatEntry->gis[wstr[idx]].x)
extents.left = cur.x - formatEntry->gis[wstr[idx]].x;
if(extents.top > cur.y - formatEntry->gis[wstr[idx]].y)
extents.top = cur.y - formatEntry->gis[wstr[idx]].y;
if(extents.right < cur.x - formatEntry->gis[wstr[idx]].x + formatEntry->gis[wstr[idx]].width)
extents.right = cur.x - formatEntry->gis[wstr[idx]].x + formatEntry->gis[wstr[idx]].width;
if(extents.bottom < cur.y - formatEntry->gis[wstr[idx]].y + formatEntry->gis[wstr[idx]].height)
extents.bottom = cur.y - formatEntry->gis[wstr[idx]].y + formatEntry->gis[wstr[idx]].height;
if(lpDx) {
offset += lpDx[idx];
cur.x = offset * cosEsc;
cur.y = offset * -sinEsc;
} else {
cur.x += formatEntry->gis[wstr[idx]].xOff;
cur.y += formatEntry->gis[wstr[idx]].yOff;
}
}
TRACE("glyph extents %d,%d - %d,%d drawable x,y %d,%d\n", extents.left, extents.top,
extents.right, extents.bottom, physDev->dc_rect.left + x, physDev->dc_rect.top + y);
if(physDev->dc_rect.left + x + extents.left >= 0) {
image_x = physDev->dc_rect.left + x + extents.left;
image_off_x = 0;
} else {
image_x = 0;
image_off_x = physDev->dc_rect.left + x + extents.left;
}
if(physDev->dc_rect.top + y + extents.top >= 0) {
image_y = physDev->dc_rect.top + y + extents.top;
image_off_y = 0;
} else {
image_y = 0;
image_off_y = physDev->dc_rect.top + y + extents.top;
}
if(physDev->dc_rect.left + x + extents.right < w)
image_w = physDev->dc_rect.left + x + extents.right - image_x;
else
image_w = w - image_x;
if(physDev->dc_rect.top + y + extents.bottom < h)
image_h = physDev->dc_rect.top + 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,
physDev->depth, image);
if(!image) {
Pixmap xpm = XCreatePixmap(gdi_display, physDev->drawable, image_w, image_h,
physDev->depth);
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,
formatEntry->bitmaps[wstr[idx]],
&formatEntry->gis[wstr[idx]],
physDev->textPixel);
if(lpDx) {
offset += lpDx[idx];
xoff = offset * cosEsc;
yoff = offset * -sinEsc;
} else {
xoff += formatEntry->gis[wstr[idx]].xOff;
yoff += formatEntry->gis[wstr[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 (flags & ETO_CLIPPED)
{
/* restore the device region */
X11DRV_SetDeviceClipping( physDev, saved_region, 0 );
DeleteObject( saved_region );
}
retv = TRUE;
done_unlock:
X11DRV_UnlockDIBSection( physDev, TRUE );
return retv;
}
/******************************************************************************
* AlphaBlend (x11drv.@)
*/
BOOL X11DRV_AlphaBlend(X11DRV_PDEVICE *devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
X11DRV_PDEVICE *devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc,
BLENDFUNCTION blendfn)
{
XRenderPictureAttributes pa;
XRenderPictFormat *src_format;
XRenderPictFormat argb32_templ = {
0, /* id */
PictTypeDirect, /* type */
32, /* depth */
{ /* direct */
16, /* direct.red */
0xff, /* direct.redMask */
8, /* direct.green */
0xff, /* direct.greenMask */
0, /* direct.blue */
0xff, /* direct.blueMask */
24, /* direct.alpha */
0xff, /* direct.alphaMask */
},
0, /* colormap */
};
unsigned long argb32_templ_mask =
PictFormatType |
PictFormatDepth |
PictFormatRed |
PictFormatRedMask |
PictFormatGreen |
PictFormatGreenMask |
PictFormatBlue |
PictFormatBlueMask |
PictFormatAlpha |
PictFormatAlphaMask;
Picture dst_pict, src_pict;
Pixmap xpm;
DIBSECTION dib;
XImage *image;
GC gc;
XGCValues gcv;
BYTE *dstbits, *data;
int y, y2;
POINT pts[2];
BOOL top_down = FALSE;
RGNDATA *rgndata;
if(!X11DRV_XRender_Installed) {
FIXME("Unable to AlphaBlend without Xrender\n");
return FALSE;
}
pts[0].x = xDst;
pts[0].y = yDst;
pts[1].x = xDst + widthDst;
pts[1].y = yDst + heightDst;
LPtoDP(devDst->hdc, pts, 2);
xDst = pts[0].x;
yDst = pts[0].y;
widthDst = pts[1].x - pts[0].x;
heightDst = pts[1].y - pts[0].y;
pts[0].x = xSrc;
pts[0].y = ySrc;
pts[1].x = xSrc + widthSrc;
pts[1].y = ySrc + heightSrc;
LPtoDP(devSrc->hdc, pts, 2);
xSrc = pts[0].x;
ySrc = pts[0].y;
widthSrc = pts[1].x - pts[0].x;
heightSrc = pts[1].y - pts[0].y;
if (!widthDst || !heightDst || !widthSrc || !heightSrc) return TRUE;
#ifndef HAVE_XRENDERSETPICTURETRANSFORM
if(widthDst != widthSrc || heightDst != heightSrc)
#else
if(!pXRenderSetPictureTransform)
#endif
{
FIXME("Unable to Stretch, XRenderSetPictureTransform is currently required\n");
return FALSE;
}
if (!devSrc->bitmap || GetObjectW( devSrc->bitmap->hbitmap, sizeof(dib), &dib ) != sizeof(dib))
{
FIXME("not a dibsection\n");
return FALSE;
}
if(dib.dsBm.bmBitsPixel != 32) {
FIXME("not a 32 bpp dibsection\n");
return FALSE;
}
dstbits = data = HeapAlloc(GetProcessHeap(), 0, heightSrc * widthSrc * 4);
if(dib.dsBmih.biHeight < 0) { /* top-down dib */
top_down = TRUE;
dstbits += widthSrc * (heightSrc - 1) * 4;
y2 = ySrc;
y = y2 + heightSrc - 1;
}
else
{
y = dib.dsBmih.biHeight - ySrc - 1;
y2 = y - heightSrc + 1;
}
for(; y >= y2; y--) {
memcpy(dstbits, (char *)dib.dsBm.bmBits + y * dib.dsBm.bmWidthBytes + xSrc * 4,
widthSrc * 4);
dstbits += (top_down ? -1 : 1) * widthSrc * 4;
}
wine_tsx11_lock();
image = XCreateImage(gdi_display, visual, 32, ZPixmap, 0,
(char*) data, widthSrc, heightSrc, 32, widthSrc * 4);
/*
Avoid using XRenderFindStandardFormat as older libraries don't have it
src_format = pXRenderFindStandardFormat(gdi_display, PictStandardARGB32);
*/
src_format = pXRenderFindFormat(gdi_display, argb32_templ_mask, &argb32_templ, 0);
TRACE("src_format %p\n", src_format);
pa.subwindow_mode = IncludeInferiors;
/* FIXME use devDst->xrender->pict ? */
dst_pict = pXRenderCreatePicture(gdi_display,
devDst->drawable,
(devDst->depth == 1) ?
mono_format : screen_format,
CPSubwindowMode, &pa);
TRACE("dst_pict %08lx\n", dst_pict);
TRACE("src_drawable = %08lx\n", devSrc->drawable);
xpm = XCreatePixmap(gdi_display,
devSrc->drawable,
widthSrc, heightSrc, 32);
gcv.graphics_exposures = False;
gc = XCreateGC(gdi_display, xpm, GCGraphicsExposures, &gcv);
TRACE("xpm = %08lx\n", xpm);
XPutImage(gdi_display, xpm, gc, image, 0, 0, 0, 0, widthSrc, heightSrc);
src_pict = pXRenderCreatePicture(gdi_display,
xpm, src_format,
CPSubwindowMode, &pa);
TRACE("src_pict %08lx\n", src_pict);
if ((rgndata = X11DRV_GetRegionData( devDst->region, 0 )))
{
pXRenderSetPictureClipRectangles( gdi_display, dst_pict,
devDst->dc_rect.left, devDst->dc_rect.top,
(XRectangle *)rgndata->Buffer,
rgndata->rdh.nCount );
HeapFree( GetProcessHeap(), 0, rgndata );
}
#ifdef HAVE_XRENDERSETPICTURETRANSFORM
if(widthDst != widthSrc || heightDst != heightSrc) {
double xscale = widthSrc/(double)widthDst;
double yscale = heightSrc/(double)heightDst;
XTransform xform = {{
{ XDoubleToFixed(xscale), XDoubleToFixed(0), XDoubleToFixed(0) },
{ XDoubleToFixed(0), XDoubleToFixed(yscale), XDoubleToFixed(0) },
{ XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(1) }
}};
pXRenderSetPictureTransform(gdi_display, src_pict, &xform);
}
#endif
pXRenderComposite(gdi_display, PictOpOver, src_pict, 0, dst_pict,
0, 0, 0, 0,
xDst + devDst->dc_rect.left, yDst + devDst->dc_rect.top, widthDst, heightDst);
pXRenderFreePicture(gdi_display, src_pict);
XFreePixmap(gdi_display, xpm);
XFreeGC(gdi_display, gc);
pXRenderFreePicture(gdi_display, dst_pict);
image->data = NULL;
XDestroyImage(image);
wine_tsx11_unlock();
HeapFree(GetProcessHeap(), 0, data);
return TRUE;
}
#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;
}
/******************************************************************************
* AlphaBlend (x11drv.@)
*/
BOOL X11DRV_AlphaBlend(X11DRV_PDEVICE *devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
X11DRV_PDEVICE *devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc,
BLENDFUNCTION blendfn)
{
FIXME("not supported - XRENDER headers were missing at compile time\n");
return FALSE;
}
#endif /* HAVE_X11_EXTENSIONS_XRENDER_H */
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