diff options
Diffstat (limited to 'xorg-server/hw/dmx/dmxpixmap.c')
| -rw-r--r-- | xorg-server/hw/dmx/dmxpixmap.c | 513 |
1 files changed, 262 insertions, 251 deletions
diff --git a/xorg-server/hw/dmx/dmxpixmap.c b/xorg-server/hw/dmx/dmxpixmap.c index 119dd1134..17aca9224 100644 --- a/xorg-server/hw/dmx/dmxpixmap.c +++ b/xorg-server/hw/dmx/dmxpixmap.c @@ -1,251 +1,262 @@ -/*
- * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-/** \file
- * Provides pixmap support. */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxsync.h"
-#include "dmxpixmap.h"
-
-#include "pixmapstr.h"
-#include "servermd.h"
-#include "privates.h"
-
-/** Initialize a private area in \a pScreen for pixmap information. */
-Bool dmxInitPixmap(ScreenPtr pScreen)
-{
- if (!dixRegisterPrivateKey(&dmxPixPrivateKeyRec, PRIVATE_PIXMAP, sizeof(dmxPixPrivRec)))
- return FALSE;
-
- return TRUE;
-}
-
-/** Create a pixmap on the back-end server. */
-void dmxBECreatePixmap(PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
-
- /* Make sure we haven't already created this pixmap. This can
- * happen when the pixmap is used elsewhere (e.g., as a background
- * or border for a window) and the refcnt > 1.
- */
- if (pPixPriv->pixmap)
- return;
-
- if (pPixmap->drawable.width && pPixmap->drawable.height) {
- pPixPriv->pixmap = XCreatePixmap(dmxScreen->beDisplay,
- dmxScreen->scrnWin,
- pPixmap->drawable.width,
- pPixmap->drawable.height,
- pPixmap->drawable.depth);
- dmxSync(dmxScreen, FALSE);
- }
-}
-
-/** Create a pixmap for \a pScreen with the specified \a width, \a
- * height, and \a depth. */
-PixmapPtr dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
- unsigned usage_hint)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PixmapPtr pPixmap;
- int bpp;
- dmxPixPrivPtr pPixPriv;
-
-#if 0
- DMX_UNWRAP(CreatePixmap, dmxScreen, pScreen);
- if (pScreen->CreatePixmap)
- ret = pScreen->CreatePixmap(pPixmap);
-#endif
-
- /* Create pixmap on back-end server */
- if (depth == 24) bpp = 32;
- else bpp = depth;
-
- pPixmap = AllocatePixmap(pScreen, 0);
- if (!pPixmap)
- return NullPixmap;
-
- pPixmap->drawable.type = DRAWABLE_PIXMAP;
- pPixmap->drawable.class = 0;
- pPixmap->drawable.pScreen = pScreen;
- pPixmap->drawable.depth = depth;
- pPixmap->drawable.bitsPerPixel = bpp;
- pPixmap->drawable.id = 0;
- pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- pPixmap->drawable.x = 0;
- pPixmap->drawable.y = 0;
- pPixmap->drawable.width = width;
- pPixmap->drawable.height = height;
- pPixmap->devKind = PixmapBytePad(width, bpp);
- pPixmap->refcnt = 1;
- pPixmap->usage_hint = usage_hint;
-
- pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- pPixPriv->pixmap = (Pixmap)0;
- pPixPriv->detachedImage = NULL;
-
- /* Create the pixmap on the back-end server */
- if (dmxScreen->beDisplay) {
- dmxBECreatePixmap(pPixmap);
- }
-
-#if 0
- DMX_WRAP(CreatePixmap, dmxCreatePixmap, dmxScreen, pScreen);
-#endif
-
- return pPixmap;
-}
-
-/** Destroy the pixmap on the back-end server. */
-Bool dmxBEFreePixmap(PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
-
- if (pPixPriv->pixmap) {
- XFreePixmap(dmxScreen->beDisplay, pPixPriv->pixmap);
- pPixPriv->pixmap = (Pixmap)0;
- return TRUE;
- }
-
- return FALSE;
-}
-
-/** Destroy the pixmap pointed to by \a pPixmap. */
-Bool dmxDestroyPixmap(PixmapPtr pPixmap)
-{
- ScreenPtr pScreen = pPixmap->drawable.pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- Bool ret = TRUE;
-
-#if 0
- DMX_UNWRAP(DestroyPixmap, dmxScreen, pScreen);
-#endif
-
- if (--pPixmap->refcnt)
- return TRUE;
-
- /* Destroy pixmap on back-end server */
- if (dmxScreen->beDisplay) {
- if (dmxBEFreePixmap(pPixmap)) {
- /* Also make sure that we destroy any detached image */
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- if (pPixPriv->detachedImage)
- XDestroyImage(pPixPriv->detachedImage);
- dmxSync(dmxScreen, FALSE);
- }
- }
- FreePixmap(pPixmap);
-
-#if 0
- if (pScreen->DestroyPixmap)
- ret = pScreen->DestroyPixmap(pPixmap);
- DMX_WRAP(DestroyPixmap, dmxDestroyPixmap, dmxScreen, pScreen);
-#endif
-
- return ret;
-}
-
-/** Create and return a region based on the pixmap pointed to by \a
- * pPixmap. */
-RegionPtr dmxBitmapToRegion(PixmapPtr pPixmap)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pPixmap->drawable.pScreen->myNum];
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap);
- XImage *ximage;
- RegionPtr pReg, pTmpReg;
- int x, y;
- unsigned long previousPixel, currentPixel;
- BoxRec Box;
- Bool overlap;
-
- if (!dmxScreen->beDisplay) {
- pReg = RegionCreate(NullBox, 1);
- return pReg;
- }
-
- ximage = XGetImage(dmxScreen->beDisplay, pPixPriv->pixmap, 0, 0,
- pPixmap->drawable.width, pPixmap->drawable.height,
- 1, XYPixmap);
-
- pReg = RegionCreate(NullBox, 1);
- pTmpReg = RegionCreate(NullBox, 1);
- if(!pReg || !pTmpReg) {
- XDestroyImage(ximage);
- return NullRegion;
- }
-
- for (y = 0; y < pPixmap->drawable.height; y++) {
- Box.y1 = y;
- Box.y2 = y + 1;
- previousPixel = 0L;
- for (x = 0; x < pPixmap->drawable.width; x++) {
- currentPixel = XGetPixel(ximage, x, y);
- if (previousPixel != currentPixel) {
- if (previousPixel == 0L) {
- /* left edge */
- Box.x1 = x;
- } else if (currentPixel == 0L) {
- /* right edge */
- Box.x2 = x;
- RegionReset(pTmpReg, &Box);
- RegionAppend(pReg, pTmpReg);
- }
- previousPixel = currentPixel;
- }
- }
- if (previousPixel != 0L) {
- /* right edge because of the end of pixmap */
- Box.x2 = pPixmap->drawable.width;
- RegionReset(pTmpReg, &Box);
- RegionAppend(pReg, pTmpReg);
- }
- }
-
- RegionDestroy(pTmpReg);
- XDestroyImage(ximage);
-
- RegionValidate(pReg, &overlap);
-
- dmxSync(dmxScreen, FALSE);
- return pReg;
-}
+/* + * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Authors: + * Kevin E. Martin <kem@redhat.com> + * + */ + +/** \file + * Provides pixmap support. */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include "dmx.h" +#include "dmxsync.h" +#include "dmxpixmap.h" + +#include "pixmapstr.h" +#include "servermd.h" +#include "privates.h" + +/** Initialize a private area in \a pScreen for pixmap information. */ +Bool +dmxInitPixmap(ScreenPtr pScreen) +{ + if (!dixRegisterPrivateKey + (&dmxPixPrivateKeyRec, PRIVATE_PIXMAP, sizeof(dmxPixPrivRec))) + return FALSE; + + return TRUE; +} + +/** Create a pixmap on the back-end server. */ +void +dmxBECreatePixmap(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); + + /* Make sure we haven't already created this pixmap. This can + * happen when the pixmap is used elsewhere (e.g., as a background + * or border for a window) and the refcnt > 1. + */ + if (pPixPriv->pixmap) + return; + + if (pPixmap->drawable.width && pPixmap->drawable.height) { + pPixPriv->pixmap = XCreatePixmap(dmxScreen->beDisplay, + dmxScreen->scrnWin, + pPixmap->drawable.width, + pPixmap->drawable.height, + pPixmap->drawable.depth); + dmxSync(dmxScreen, FALSE); + } +} + +/** Create a pixmap for \a pScreen with the specified \a width, \a + * height, and \a depth. */ +PixmapPtr +dmxCreatePixmap(ScreenPtr pScreen, int width, int height, int depth, + unsigned usage_hint) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + PixmapPtr pPixmap; + int bpp; + dmxPixPrivPtr pPixPriv; + +#if 0 + DMX_UNWRAP(CreatePixmap, dmxScreen, pScreen); + if (pScreen->CreatePixmap) + ret = pScreen->CreatePixmap(pPixmap); +#endif + + /* Create pixmap on back-end server */ + if (depth == 24) + bpp = 32; + else + bpp = depth; + + pPixmap = AllocatePixmap(pScreen, 0); + if (!pPixmap) + return NullPixmap; + + pPixmap->drawable.type = DRAWABLE_PIXMAP; + pPixmap->drawable.class = 0; + pPixmap->drawable.pScreen = pScreen; + pPixmap->drawable.depth = depth; + pPixmap->drawable.bitsPerPixel = bpp; + pPixmap->drawable.id = 0; + pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pPixmap->drawable.x = 0; + pPixmap->drawable.y = 0; + pPixmap->drawable.width = width; + pPixmap->drawable.height = height; + pPixmap->devKind = PixmapBytePad(width, bpp); + pPixmap->refcnt = 1; + pPixmap->usage_hint = usage_hint; + + pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); + pPixPriv->pixmap = (Pixmap) 0; + pPixPriv->detachedImage = NULL; + + /* Create the pixmap on the back-end server */ + if (dmxScreen->beDisplay) { + dmxBECreatePixmap(pPixmap); + } + +#if 0 + DMX_WRAP(CreatePixmap, dmxCreatePixmap, dmxScreen, pScreen); +#endif + + return pPixmap; +} + +/** Destroy the pixmap on the back-end server. */ +Bool +dmxBEFreePixmap(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); + + if (pPixPriv->pixmap) { + XFreePixmap(dmxScreen->beDisplay, pPixPriv->pixmap); + pPixPriv->pixmap = (Pixmap) 0; + return TRUE; + } + + return FALSE; +} + +/** Destroy the pixmap pointed to by \a pPixmap. */ +Bool +dmxDestroyPixmap(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; + Bool ret = TRUE; + +#if 0 + DMX_UNWRAP(DestroyPixmap, dmxScreen, pScreen); +#endif + + if (--pPixmap->refcnt) + return TRUE; + + /* Destroy pixmap on back-end server */ + if (dmxScreen->beDisplay) { + if (dmxBEFreePixmap(pPixmap)) { + /* Also make sure that we destroy any detached image */ + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); + + if (pPixPriv->detachedImage) + XDestroyImage(pPixPriv->detachedImage); + dmxSync(dmxScreen, FALSE); + } + } + FreePixmap(pPixmap); + +#if 0 + if (pScreen->DestroyPixmap) + ret = pScreen->DestroyPixmap(pPixmap); + DMX_WRAP(DestroyPixmap, dmxDestroyPixmap, dmxScreen, pScreen); +#endif + + return ret; +} + +/** Create and return a region based on the pixmap pointed to by \a + * pPixmap. */ +RegionPtr +dmxBitmapToRegion(PixmapPtr pPixmap) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pPixmap->drawable.pScreen->myNum]; + dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV(pPixmap); + XImage *ximage; + RegionPtr pReg, pTmpReg; + int x, y; + unsigned long previousPixel, currentPixel; + BoxRec Box; + Bool overlap; + + if (!dmxScreen->beDisplay) { + pReg = RegionCreate(NullBox, 1); + return pReg; + } + + ximage = XGetImage(dmxScreen->beDisplay, pPixPriv->pixmap, 0, 0, + pPixmap->drawable.width, pPixmap->drawable.height, + 1, XYPixmap); + + pReg = RegionCreate(NullBox, 1); + pTmpReg = RegionCreate(NullBox, 1); + if (!pReg || !pTmpReg) { + XDestroyImage(ximage); + return NullRegion; + } + + for (y = 0; y < pPixmap->drawable.height; y++) { + Box.y1 = y; + Box.y2 = y + 1; + previousPixel = 0L; + for (x = 0; x < pPixmap->drawable.width; x++) { + currentPixel = XGetPixel(ximage, x, y); + if (previousPixel != currentPixel) { + if (previousPixel == 0L) { + /* left edge */ + Box.x1 = x; + } + else if (currentPixel == 0L) { + /* right edge */ + Box.x2 = x; + RegionReset(pTmpReg, &Box); + RegionAppend(pReg, pTmpReg); + } + previousPixel = currentPixel; + } + } + if (previousPixel != 0L) { + /* right edge because of the end of pixmap */ + Box.x2 = pPixmap->drawable.width; + RegionReset(pTmpReg, &Box); + RegionAppend(pReg, pTmpReg); + } + } + + RegionDestroy(pTmpReg); + XDestroyImage(ximage); + + RegionValidate(pReg, &overlap); + + dmxSync(dmxScreen, FALSE); + return pReg; +} |