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-rw-r--r--hw/xnest/Color.c676
1 files changed, 337 insertions, 339 deletions
diff --git a/hw/xnest/Color.c b/hw/xnest/Color.c
index 0aae8e9c9..7ef137d59 100644
--- a/hw/xnest/Color.c
+++ b/hw/xnest/Color.c
@@ -26,7 +26,6 @@ is" without express or implied warranty.
#include "Xnest.h"
-
#include "Display.h"
#include "Screen.h"
#include "Color.h"
@@ -37,6 +36,7 @@ is" without express or implied warranty.
DevPrivateKeyRec xnestColormapPrivateKeyRec;
static DevPrivateKeyRec cmapScrPrivateKeyRec;
+
#define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
@@ -45,91 +45,92 @@ static DevPrivateKeyRec cmapScrPrivateKeyRec;
Bool
xnestCreateColormap(ColormapPtr pCmap)
{
- VisualPtr pVisual;
- XColor *colors;
- int i, ncolors;
- Pixel red, green, blue;
- Pixel redInc, greenInc, blueInc;
-
- pVisual = pCmap->pVisual;
- ncolors = pVisual->ColormapEntries;
-
- xnestColormapPriv(pCmap)->colormap =
- XCreateColormap(xnestDisplay,
- xnestDefaultWindows[pCmap->pScreen->myNum],
- xnestVisual(pVisual),
- (pVisual->class & DynamicClass) ?
- AllocAll : AllocNone);
-
-
- switch (pVisual->class) {
- case StaticGray: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- for (i = 0; i < ncolors; i++)
- colors[i].pixel = i;
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->red[i].co.local.green = colors[i].red;
- pCmap->red[i].co.local.blue = colors[i].red;
- }
- free(colors);
- break;
-
- case StaticColor: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- for (i = 0; i < ncolors; i++)
- colors[i].pixel = i;
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->red[i].co.local.green = colors[i].green;
- pCmap->red[i].co.local.blue = colors[i].blue;
- }
- free(colors);
- break;
-
- case TrueColor: /* read only */
- colors = (XColor *)malloc(ncolors * sizeof(XColor));
- red = green = blue = 0L;
- redInc = lowbit(pVisual->redMask);
- greenInc = lowbit(pVisual->greenMask);
- blueInc = lowbit(pVisual->blueMask);
- for (i = 0; i < ncolors; i++) {
- colors[i].pixel = red | green | blue;
- red += redInc;
- if (red > pVisual->redMask) red = 0L;
- green += greenInc;
- if (green > pVisual->greenMask) green = 0L;
- blue += blueInc;
- if (blue > pVisual->blueMask) blue = 0L;
- }
- XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
- for (i = 0; i < ncolors; i++) {
- pCmap->red[i].co.local.red = colors[i].red;
- pCmap->green[i].co.local.green = colors[i].green;
- pCmap->blue[i].co.local.blue = colors[i].blue;
+ VisualPtr pVisual;
+ XColor *colors;
+ int i, ncolors;
+ Pixel red, green, blue;
+ Pixel redInc, greenInc, blueInc;
+
+ pVisual = pCmap->pVisual;
+ ncolors = pVisual->ColormapEntries;
+
+ xnestColormapPriv(pCmap)->colormap =
+ XCreateColormap(xnestDisplay,
+ xnestDefaultWindows[pCmap->pScreen->myNum],
+ xnestVisual(pVisual),
+ (pVisual->class & DynamicClass) ? AllocAll : AllocNone);
+
+ switch (pVisual->class) {
+ case StaticGray: /* read only */
+ colors = (XColor *) malloc(ncolors * sizeof(XColor));
+ for (i = 0; i < ncolors; i++)
+ colors[i].pixel = i;
+ XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
+ for (i = 0; i < ncolors; i++) {
+ pCmap->red[i].co.local.red = colors[i].red;
+ pCmap->red[i].co.local.green = colors[i].red;
+ pCmap->red[i].co.local.blue = colors[i].red;
+ }
+ free(colors);
+ break;
+
+ case StaticColor: /* read only */
+ colors = (XColor *) malloc(ncolors * sizeof(XColor));
+ for (i = 0; i < ncolors; i++)
+ colors[i].pixel = i;
+ XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
+ for (i = 0; i < ncolors; i++) {
+ pCmap->red[i].co.local.red = colors[i].red;
+ pCmap->red[i].co.local.green = colors[i].green;
+ pCmap->red[i].co.local.blue = colors[i].blue;
+ }
+ free(colors);
+ break;
+
+ case TrueColor: /* read only */
+ colors = (XColor *) malloc(ncolors * sizeof(XColor));
+ red = green = blue = 0L;
+ redInc = lowbit(pVisual->redMask);
+ greenInc = lowbit(pVisual->greenMask);
+ blueInc = lowbit(pVisual->blueMask);
+ for (i = 0; i < ncolors; i++) {
+ colors[i].pixel = red | green | blue;
+ red += redInc;
+ if (red > pVisual->redMask)
+ red = 0L;
+ green += greenInc;
+ if (green > pVisual->greenMask)
+ green = 0L;
+ blue += blueInc;
+ if (blue > pVisual->blueMask)
+ blue = 0L;
+ }
+ XQueryColors(xnestDisplay, xnestColormap(pCmap), colors, ncolors);
+ for (i = 0; i < ncolors; i++) {
+ pCmap->red[i].co.local.red = colors[i].red;
+ pCmap->green[i].co.local.green = colors[i].green;
+ pCmap->blue[i].co.local.blue = colors[i].blue;
+ }
+ free(colors);
+ break;
+
+ case GrayScale: /* read and write */
+ break;
+
+ case PseudoColor: /* read and write */
+ break;
+
+ case DirectColor: /* read and write */
+ break;
}
- free(colors);
- break;
-
- case GrayScale: /* read and write */
- break;
-
- case PseudoColor: /* read and write */
- break;
-
- case DirectColor: /* read and write */
- break;
- }
-
- return True;
+
+ return True;
}
void
xnestDestroyColormap(ColormapPtr pCmap)
{
- XFreeColormap(xnestDisplay, xnestColormap(pCmap));
+ XFreeColormap(xnestDisplay, xnestColormap(pCmap));
}
#define SEARCH_PREDICATE \
@@ -138,31 +139,31 @@ xnestDestroyColormap(ColormapPtr pCmap)
static int
xnestCountInstalledColormapWindows(WindowPtr pWin, pointer ptr)
{
- xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *)ptr;
- int i;
-
- for (i = 0; i < icws->numCmapIDs; i++)
- if (SEARCH_PREDICATE) {
- icws->numWindows++;
- return WT_DONTWALKCHILDREN;
- }
-
- return WT_WALKCHILDREN;
+ xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *) ptr;
+ int i;
+
+ for (i = 0; i < icws->numCmapIDs; i++)
+ if (SEARCH_PREDICATE) {
+ icws->numWindows++;
+ return WT_DONTWALKCHILDREN;
+ }
+
+ return WT_WALKCHILDREN;
}
static int
xnestGetInstalledColormapWindows(WindowPtr pWin, pointer ptr)
{
- xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *)ptr;
- int i;
-
- for (i = 0; i < icws->numCmapIDs; i++)
- if (SEARCH_PREDICATE) {
- icws->windows[icws->index++] = xnestWindow(pWin);
- return WT_DONTWALKCHILDREN;
- }
-
- return WT_WALKCHILDREN;
+ xnestInstalledColormapWindows *icws = (xnestInstalledColormapWindows *) ptr;
+ int i;
+
+ for (i = 0; i < icws->numCmapIDs; i++)
+ if (SEARCH_PREDICATE) {
+ icws->windows[icws->index++] = xnestWindow(pWin);
+ return WT_DONTWALKCHILDREN;
+ }
+
+ return WT_WALKCHILDREN;
}
static Window *xnestOldInstalledColormapWindows = NULL;
@@ -171,200 +172,203 @@ static int xnestNumOldInstalledColormapWindows = 0;
static Bool
xnestSameInstalledColormapWindows(Window *windows, int numWindows)
{
- if (xnestNumOldInstalledColormapWindows != numWindows)
- return False;
+ if (xnestNumOldInstalledColormapWindows != numWindows)
+ return False;
- if (xnestOldInstalledColormapWindows == windows)
- return True;
+ if (xnestOldInstalledColormapWindows == windows)
+ return True;
- if (xnestOldInstalledColormapWindows == NULL || windows == NULL)
- return False;
+ if (xnestOldInstalledColormapWindows == NULL || windows == NULL)
+ return False;
- if (memcmp(xnestOldInstalledColormapWindows, windows,
- numWindows * sizeof(Window)))
- return False;
+ if (memcmp(xnestOldInstalledColormapWindows, windows,
+ numWindows * sizeof(Window)))
+ return False;
- return True;
+ return True;
}
void
xnestSetInstalledColormapWindows(ScreenPtr pScreen)
{
- xnestInstalledColormapWindows icws;
- int numWindows;
-
- icws.cmapIDs = (Colormap *)malloc(pScreen->maxInstalledCmaps *
- sizeof(Colormap));
- icws.numCmapIDs = xnestListInstalledColormaps(pScreen, icws.cmapIDs);
- icws.numWindows = 0;
- WalkTree(pScreen, xnestCountInstalledColormapWindows, (pointer)&icws);
- if (icws.numWindows) {
- icws.windows = (Window *)malloc((icws.numWindows + 1) * sizeof(Window));
- icws.index = 0;
- WalkTree(pScreen, xnestGetInstalledColormapWindows, (pointer)&icws);
- icws.windows[icws.numWindows] = xnestDefaultWindows[pScreen->myNum];
- numWindows = icws.numWindows + 1;
- }
- else {
- icws.windows = NULL;
- numWindows = 0;
- }
-
- free(icws.cmapIDs);
-
- if (!xnestSameInstalledColormapWindows(icws.windows, icws.numWindows)) {
- free(xnestOldInstalledColormapWindows);
+ xnestInstalledColormapWindows icws;
+ int numWindows;
+
+ icws.cmapIDs = (Colormap *) malloc(pScreen->maxInstalledCmaps *
+ sizeof(Colormap));
+ icws.numCmapIDs = xnestListInstalledColormaps(pScreen, icws.cmapIDs);
+ icws.numWindows = 0;
+ WalkTree(pScreen, xnestCountInstalledColormapWindows, (pointer) &icws);
+ if (icws.numWindows) {
+ icws.windows =
+ (Window *) malloc((icws.numWindows + 1) * sizeof(Window));
+ icws.index = 0;
+ WalkTree(pScreen, xnestGetInstalledColormapWindows, (pointer) &icws);
+ icws.windows[icws.numWindows] = xnestDefaultWindows[pScreen->myNum];
+ numWindows = icws.numWindows + 1;
+ }
+ else {
+ icws.windows = NULL;
+ numWindows = 0;
+ }
+
+ free(icws.cmapIDs);
+
+ if (!xnestSameInstalledColormapWindows(icws.windows, icws.numWindows)) {
+ free(xnestOldInstalledColormapWindows);
#ifdef _XSERVER64
- {
- int i;
- Window64 *windows = (Window64 *)malloc(numWindows * sizeof(Window64));
-
- for(i = 0; i < numWindows; ++i)
- windows[i] = icws.windows[i];
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- windows, numWindows);
- free(windows);
- }
+ {
+ int i;
+ Window64 *windows =
+ (Window64 *) malloc(numWindows * sizeof(Window64));
+
+ for (i = 0; i < numWindows; ++i)
+ windows[i] = icws.windows[i];
+ XSetWMColormapWindows(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum], windows,
+ numWindows);
+ free(windows);
+ }
#else
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- icws.windows, numWindows);
+ XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
+ icws.windows, numWindows);
#endif
- xnestOldInstalledColormapWindows = icws.windows;
- xnestNumOldInstalledColormapWindows = icws.numWindows;
+ xnestOldInstalledColormapWindows = icws.windows;
+ xnestNumOldInstalledColormapWindows = icws.numWindows;
#ifdef DUMB_WINDOW_MANAGERS
- /*
- This code is for dumb window managers.
- This will only work with default local visual colormaps.
- */
- if (icws.numWindows)
- {
- WindowPtr pWin;
- Visual *visual;
- ColormapPtr pCmap;
-
- pWin = xnestWindowPtr(icws.windows[0]);
- visual = xnestVisualFromID(pScreen, wVisual(pWin));
-
- if (visual == xnestDefaultVisual(pScreen))
- dixLookupResourceByType((pointer *)&pCmap, wColormap(pWin),
- RT_COLORMAP, serverClient, DixUseAccess);
- else
- dixLookupResourceByType((pointer *)&pCmap, pScreen->defColormap,
- RT_COLORMAP, serverClient, DixUseAccess);
-
- XSetWindowColormap(xnestDisplay,
- xnestDefaultWindows[pScreen->myNum],
- xnestColormap(pCmap));
- }
-#endif /* DUMB_WINDOW_MANAGERS */
- }
- else
- free(icws.windows);
+ /*
+ This code is for dumb window managers.
+ This will only work with default local visual colormaps.
+ */
+ if (icws.numWindows) {
+ WindowPtr pWin;
+ Visual *visual;
+ ColormapPtr pCmap;
+
+ pWin = xnestWindowPtr(icws.windows[0]);
+ visual = xnestVisualFromID(pScreen, wVisual(pWin));
+
+ if (visual == xnestDefaultVisual(pScreen))
+ dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin),
+ RT_COLORMAP, serverClient,
+ DixUseAccess);
+ else
+ dixLookupResourceByType((pointer *) &pCmap,
+ pScreen->defColormap, RT_COLORMAP,
+ serverClient, DixUseAccess);
+
+ XSetWindowColormap(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum],
+ xnestColormap(pCmap));
+ }
+#endif /* DUMB_WINDOW_MANAGERS */
+ }
+ else
+ free(icws.windows);
}
void
xnestSetScreenSaverColormapWindow(ScreenPtr pScreen)
{
- free(xnestOldInstalledColormapWindows);
-
+ free(xnestOldInstalledColormapWindows);
+
#ifdef _XSERVER64
- {
- Window64 window;
+ {
+ Window64 window;
- window = xnestScreenSaverWindows[pScreen->myNum];
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- &window, 1);
- xnestScreenSaverWindows[pScreen->myNum] = window;
- }
+ window = xnestScreenSaverWindows[pScreen->myNum];
+ XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
+ &window, 1);
+ xnestScreenSaverWindows[pScreen->myNum] = window;
+ }
#else
- XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
- &xnestScreenSaverWindows[pScreen->myNum], 1);
-#endif /* _XSERVER64 */
-
- xnestOldInstalledColormapWindows = NULL;
- xnestNumOldInstalledColormapWindows = 0;
-
- xnestDirectUninstallColormaps(pScreen);
+ XSetWMColormapWindows(xnestDisplay, xnestDefaultWindows[pScreen->myNum],
+ &xnestScreenSaverWindows[pScreen->myNum], 1);
+#endif /* _XSERVER64 */
+
+ xnestOldInstalledColormapWindows = NULL;
+ xnestNumOldInstalledColormapWindows = 0;
+
+ xnestDirectUninstallColormaps(pScreen);
}
void
xnestDirectInstallColormaps(ScreenPtr pScreen)
{
- int i, n;
- Colormap pCmapIDs[MAXCMAPS];
-
- if (!xnestDoDirectColormaps) return;
+ int i, n;
+ Colormap pCmapIDs[MAXCMAPS];
- n = (*pScreen->ListInstalledColormaps)(pScreen, pCmapIDs);
+ if (!xnestDoDirectColormaps)
+ return;
- for (i = 0; i < n; i++) {
- ColormapPtr pCmap;
-
- dixLookupResourceByType((pointer *)&pCmap, pCmapIDs[i], RT_COLORMAP,
- serverClient, DixInstallAccess);
- if (pCmap)
- XInstallColormap(xnestDisplay, xnestColormap(pCmap));
- }
+ n = (*pScreen->ListInstalledColormaps) (pScreen, pCmapIDs);
+
+ for (i = 0; i < n; i++) {
+ ColormapPtr pCmap;
+
+ dixLookupResourceByType((pointer *) &pCmap, pCmapIDs[i], RT_COLORMAP,
+ serverClient, DixInstallAccess);
+ if (pCmap)
+ XInstallColormap(xnestDisplay, xnestColormap(pCmap));
+ }
}
void
xnestDirectUninstallColormaps(ScreenPtr pScreen)
{
- int i, n;
- Colormap pCmapIDs[MAXCMAPS];
+ int i, n;
+ Colormap pCmapIDs[MAXCMAPS];
- if (!xnestDoDirectColormaps) return;
+ if (!xnestDoDirectColormaps)
+ return;
- n = (*pScreen->ListInstalledColormaps)(pScreen, pCmapIDs);
+ n = (*pScreen->ListInstalledColormaps) (pScreen, pCmapIDs);
- for (i = 0; i < n; i++) {
- ColormapPtr pCmap;
-
- dixLookupResourceByType((pointer *)&pCmap, pCmapIDs[i], RT_COLORMAP,
- serverClient, DixUninstallAccess);
- if (pCmap)
- XUninstallColormap(xnestDisplay, xnestColormap(pCmap));
- }
+ for (i = 0; i < n; i++) {
+ ColormapPtr pCmap;
+
+ dixLookupResourceByType((pointer *) &pCmap, pCmapIDs[i], RT_COLORMAP,
+ serverClient, DixUninstallAccess);
+ if (pCmap)
+ XUninstallColormap(xnestDisplay, xnestColormap(pCmap));
+ }
}
void
xnestInstallColormap(ColormapPtr pCmap)
{
- ColormapPtr pOldCmap = GetInstalledColormap(pCmap->pScreen);
-
- if(pCmap != pOldCmap)
- {
- xnestDirectUninstallColormaps(pCmap->pScreen);
-
- /* Uninstall pInstalledMap. Notify all interested parties. */
- if(pOldCmap != (ColormapPtr)None)
- WalkTree(pCmap->pScreen, TellLostMap, (pointer)&pOldCmap->mid);
-
- SetInstalledColormap(pCmap->pScreen, pCmap);
- WalkTree(pCmap->pScreen, TellGainedMap, (pointer)&pCmap->mid);
-
- xnestSetInstalledColormapWindows(pCmap->pScreen);
- xnestDirectInstallColormaps(pCmap->pScreen);
+ ColormapPtr pOldCmap = GetInstalledColormap(pCmap->pScreen);
+
+ if (pCmap != pOldCmap) {
+ xnestDirectUninstallColormaps(pCmap->pScreen);
+
+ /* Uninstall pInstalledMap. Notify all interested parties. */
+ if (pOldCmap != (ColormapPtr) None)
+ WalkTree(pCmap->pScreen, TellLostMap, (pointer) &pOldCmap->mid);
+
+ SetInstalledColormap(pCmap->pScreen, pCmap);
+ WalkTree(pCmap->pScreen, TellGainedMap, (pointer) &pCmap->mid);
+
+ xnestSetInstalledColormapWindows(pCmap->pScreen);
+ xnestDirectInstallColormaps(pCmap->pScreen);
}
}
void
xnestUninstallColormap(ColormapPtr pCmap)
{
- ColormapPtr pCurCmap = GetInstalledColormap(pCmap->pScreen);
-
- if(pCmap == pCurCmap)
- {
- if (pCmap->mid != pCmap->pScreen->defColormap)
- {
- dixLookupResourceByType((pointer *)&pCurCmap,
- pCmap->pScreen->defColormap,
- RT_COLORMAP,
- serverClient, DixInstallAccess);
- (*pCmap->pScreen->InstallColormap)(pCurCmap);
+ ColormapPtr pCurCmap = GetInstalledColormap(pCmap->pScreen);
+
+ if (pCmap == pCurCmap) {
+ if (pCmap->mid != pCmap->pScreen->defColormap) {
+ dixLookupResourceByType((pointer *) &pCurCmap,
+ pCmap->pScreen->defColormap,
+ RT_COLORMAP,
+ serverClient, DixInstallAccess);
+ (*pCmap->pScreen->InstallColormap) (pCurCmap);
}
}
}
@@ -372,124 +376,118 @@ xnestUninstallColormap(ColormapPtr pCmap)
static Bool xnestInstalledDefaultColormap = False;
int
-xnestListInstalledColormaps(ScreenPtr pScreen, Colormap *pCmapIDs)
+xnestListInstalledColormaps(ScreenPtr pScreen, Colormap * pCmapIDs)
{
- if (xnestInstalledDefaultColormap) {
- *pCmapIDs = GetInstalledColormap(pScreen)->mid;
- return 1;
- }
- else
- return 0;
+ if (xnestInstalledDefaultColormap) {
+ *pCmapIDs = GetInstalledColormap(pScreen)->mid;
+ return 1;
+ }
+ else
+ return 0;
}
void
-xnestStoreColors(ColormapPtr pCmap, int nColors, xColorItem *pColors)
+xnestStoreColors(ColormapPtr pCmap, int nColors, xColorItem * pColors)
{
- if (pCmap->pVisual->class & DynamicClass)
+ if (pCmap->pVisual->class & DynamicClass)
#ifdef _XSERVER64
- {
- int i;
- XColor *pColors64 = (XColor *)malloc(nColors * sizeof(XColor) );
-
- for(i = 0; i < nColors; ++i)
{
- pColors64[i].pixel = pColors[i].pixel;
- pColors64[i].red = pColors[i].red;
- pColors64[i].green = pColors[i].green;
- pColors64[i].blue = pColors[i].blue;
- pColors64[i].flags = pColors[i].flags;
+ int i;
+ XColor *pColors64 = (XColor *) malloc(nColors * sizeof(XColor));
+
+ for (i = 0; i < nColors; ++i) {
+ pColors64[i].pixel = pColors[i].pixel;
+ pColors64[i].red = pColors[i].red;
+ pColors64[i].green = pColors[i].green;
+ pColors64[i].blue = pColors[i].blue;
+ pColors64[i].flags = pColors[i].flags;
+ }
+ XStoreColors(xnestDisplay, xnestColormap(pCmap), pColors64, nColors);
+ free(pColors64);
}
- XStoreColors(xnestDisplay, xnestColormap(pCmap), pColors64, nColors);
- free(pColors64);
- }
#else
- XStoreColors(xnestDisplay, xnestColormap(pCmap),
- (XColor *)pColors, nColors);
+ XStoreColors(xnestDisplay, xnestColormap(pCmap),
+ (XColor *) pColors, nColors);
#endif
}
void
xnestResolveColor(unsigned short *pRed, unsigned short *pGreen,
- unsigned short *pBlue, VisualPtr pVisual)
+ unsigned short *pBlue, VisualPtr pVisual)
{
- int shift;
- unsigned int lim;
-
- shift = 16 - pVisual->bitsPerRGBValue;
- lim = (1 << pVisual->bitsPerRGBValue) - 1;
+ int shift;
+ unsigned int lim;
- if ((pVisual->class == PseudoColor) || (pVisual->class == DirectColor))
- {
- /* rescale to rgb bits */
- *pRed = ((*pRed >> shift) * 65535) / lim;
- *pGreen = ((*pGreen >> shift) * 65535) / lim;
- *pBlue = ((*pBlue >> shift) * 65535) / lim;
+ shift = 16 - pVisual->bitsPerRGBValue;
+ lim = (1 << pVisual->bitsPerRGBValue) - 1;
+
+ if ((pVisual->class == PseudoColor) || (pVisual->class == DirectColor)) {
+ /* rescale to rgb bits */
+ *pRed = ((*pRed >> shift) * 65535) / lim;
+ *pGreen = ((*pGreen >> shift) * 65535) / lim;
+ *pBlue = ((*pBlue >> shift) * 65535) / lim;
}
- else if (pVisual->class == GrayScale)
- {
- /* rescale to gray then rgb bits */
- *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
- *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
+ else if (pVisual->class == GrayScale) {
+ /* rescale to gray then rgb bits */
+ *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
+ *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
}
- else if (pVisual->class == StaticGray)
- {
- unsigned int limg;
-
- limg = pVisual->ColormapEntries - 1;
- /* rescale to gray then [0..limg] then [0..65535] then rgb bits */
- *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
- *pRed = ((((*pRed * (limg + 1))) >> 16) * 65535) / limg;
- *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
+ else if (pVisual->class == StaticGray) {
+ unsigned int limg;
+
+ limg = pVisual->ColormapEntries - 1;
+ /* rescale to gray then [0..limg] then [0..65535] then rgb bits */
+ *pRed = (30L * *pRed + 59L * *pGreen + 11L * *pBlue) / 100;
+ *pRed = ((((*pRed * (limg + 1))) >> 16) * 65535) / limg;
+ *pBlue = *pGreen = *pRed = ((*pRed >> shift) * 65535) / lim;
}
- else
- {
- unsigned limr, limg, limb;
-
- limr = pVisual->redMask >> pVisual->offsetRed;
- limg = pVisual->greenMask >> pVisual->offsetGreen;
- limb = pVisual->blueMask >> pVisual->offsetBlue;
- /* rescale to [0..limN] then [0..65535] then rgb bits */
- *pRed = ((((((*pRed * (limr + 1)) >> 16) *
- 65535) / limr) >> shift) * 65535) / lim;
- *pGreen = ((((((*pGreen * (limg + 1)) >> 16) *
- 65535) / limg) >> shift) * 65535) / lim;
- *pBlue = ((((((*pBlue * (limb + 1)) >> 16) *
- 65535) / limb) >> shift) * 65535) / lim;
+ else {
+ unsigned limr, limg, limb;
+
+ limr = pVisual->redMask >> pVisual->offsetRed;
+ limg = pVisual->greenMask >> pVisual->offsetGreen;
+ limb = pVisual->blueMask >> pVisual->offsetBlue;
+ /* rescale to [0..limN] then [0..65535] then rgb bits */
+ *pRed = ((((((*pRed * (limr + 1)) >> 16) *
+ 65535) / limr) >> shift) * 65535) / lim;
+ *pGreen = ((((((*pGreen * (limg + 1)) >> 16) *
+ 65535) / limg) >> shift) * 65535) / lim;
+ *pBlue = ((((((*pBlue * (limb + 1)) >> 16) *
+ 65535) / limb) >> shift) * 65535) / lim;
}
}
Bool
xnestCreateDefaultColormap(ScreenPtr pScreen)
{
- VisualPtr pVisual;
- ColormapPtr pCmap;
- unsigned short zero = 0, ones = 0xFFFF;
- Pixel wp, bp;
-
- if (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- for (pVisual = pScreen->visuals;
- pVisual->vid != pScreen->rootVisual;
- pVisual++);
-
- if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &pCmap,
- (pVisual->class & DynamicClass) ? AllocNone : AllocAll, 0)
- != Success)
- return False;
-
- wp = pScreen->whitePixel;
- bp = pScreen->blackPixel;
- if ((AllocColor(pCmap, &ones, &ones, &ones, &wp, 0) !=
- Success) ||
- (AllocColor(pCmap, &zero, &zero, &zero, &bp, 0) !=
- Success))
- return FALSE;
- pScreen->whitePixel = wp;
- pScreen->blackPixel = bp;
- (*pScreen->InstallColormap)(pCmap);
-
- xnestInstalledDefaultColormap = True;
-
- return True;
+ VisualPtr pVisual;
+ ColormapPtr pCmap;
+ unsigned short zero = 0, ones = 0xFFFF;
+ Pixel wp, bp;
+
+ if (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+
+ for (pVisual = pScreen->visuals;
+ pVisual->vid != pScreen->rootVisual; pVisual++);
+
+ if (CreateColormap(pScreen->defColormap, pScreen, pVisual, &pCmap,
+ (pVisual->class & DynamicClass) ? AllocNone : AllocAll,
+ 0)
+ != Success)
+ return False;
+
+ wp = pScreen->whitePixel;
+ bp = pScreen->blackPixel;
+ if ((AllocColor(pCmap, &ones, &ones, &ones, &wp, 0) !=
+ Success) ||
+ (AllocColor(pCmap, &zero, &zero, &zero, &bp, 0) != Success))
+ return FALSE;
+ pScreen->whitePixel = wp;
+ pScreen->blackPixel = bp;
+ (*pScreen->InstallColormap) (pCmap);
+
+ xnestInstalledDefaultColormap = True;
+
+ return True;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-01 17:22:28 +0000