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authordkf <donal.k.fellows@manchester.ac.uk>2005-12-02 00:19:04 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2005-12-02 00:19:04 (GMT)
commit16d7449c764a6890a1d2b3c7e7a5132fd69640b3 (patch)
tree52d269b4d68227dbd097997cd3eb23056cdf78fe /win/tkWinColor.c
parentb5ed9a2687177fecfe6839deae0aefa98289dace (diff)
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ANSIfication
Diffstat (limited to 'win/tkWinColor.c')
-rw-r--r--win/tkWinColor.c223
1 files changed, 112 insertions, 111 deletions
diff --git a/win/tkWinColor.c b/win/tkWinColor.c
index 134176f..ee033f3 100644
--- a/win/tkWinColor.c
+++ b/win/tkWinColor.c
@@ -1,4 +1,4 @@
-/*
+/*
* tkWinColor.c --
*
* Functions to map color names to system color values.
@@ -6,10 +6,10 @@
* Copyright (c) 1995 Sun Microsystems, Inc.
* Copyright (c) 1994 Software Research Associates, Inc.
*
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkWinColor.c,v 1.7 2004/01/13 02:06:01 davygrvy Exp $
+ * RCS: @(#) $Id: tkWinColor.c,v 1.8 2005/12/02 00:19:04 dkf Exp $
*/
#include "tkWinInt.h"
@@ -22,15 +22,14 @@
typedef struct WinColor {
TkColor info; /* Generic color information. */
- int index; /* Index for GetSysColor(), -1 if color
- * is not a "live" system color. */
+ int index; /* Index for GetSysColor(), -1 if color is not
+ * a "live" system color. */
} WinColor;
/*
- * The sysColors array contains the names and index values for the
- * Windows indirect system color names. In use, all of the names
- * will have the string "System" prepended, but we omit it in the table
- * to save space.
+ * The sysColors array contains the names and index values for the Windows
+ * indirect system color names. In use, all of the names will have the string
+ * "System" prepended, but we omit it in the table to save space.
*/
typedef struct {
@@ -38,7 +37,6 @@ typedef struct {
int index;
} SystemColorEntry;
-
static SystemColorEntry sysColors[] = {
"3dDarkShadow", COLOR_3DDKSHADOW,
"3dLight", COLOR_3DLIGHT,
@@ -69,7 +67,7 @@ static SystemColorEntry sysColors[] = {
NULL, 0
};
-typedef struct ThreadSpecificData {
+typedef struct ThreadSpecificData {
int ncolors;
} ThreadSpecificData;
static Tcl_ThreadDataKey dataKey;
@@ -78,20 +76,20 @@ static Tcl_ThreadDataKey dataKey;
* Forward declarations for functions defined later in this file.
*/
-static int FindSystemColor _ANSI_ARGS_((const char *name,
- XColor *colorPtr, int *indexPtr));
+static int FindSystemColor(const char *name, XColor *colorPtr,
+ int *indexPtr);
/*
*----------------------------------------------------------------------
*
* FindSystemColor --
*
- * This routine finds the color entry that corresponds to the
- * specified color.
+ * This routine finds the color entry that corresponds to the specified
+ * color.
*
* Results:
- * Returns non-zero on success. The RGB values of the XColor
- * will be initialized to the proper values on success.
+ * Returns non-zero on success. The RGB values of the XColor will be
+ * initialized to the proper values on success.
*
* Side effects:
* None.
@@ -100,18 +98,18 @@ static int FindSystemColor _ANSI_ARGS_((const char *name,
*/
static int
-FindSystemColor(name, colorPtr, indexPtr)
- const char *name; /* Color name. */
- XColor *colorPtr; /* Where to store results. */
- int *indexPtr; /* Out parameter to store color index. */
+FindSystemColor(
+ const char *name, /* Color name. */
+ XColor *colorPtr, /* Where to store results. */
+ int *indexPtr) /* Out parameter to store color index. */
{
int l, u, r, i;
- ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
+ ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
/*
- * Count the number of elements in the color array if we haven't
- * done so yet.
+ * Count the number of elements in the color array if we haven't done so
+ * yet.
*/
if (tsdPtr->ncolors == 0) {
@@ -154,10 +152,12 @@ FindSystemColor(name, colorPtr, indexPtr)
*indexPtr = sysColors[i].index;
colorPtr->pixel = GetSysColor(sysColors[i].index);
+
/*
- * x257 is (value<<8 + value) to get the properly bit shifted
- * and padded value. [Bug: 4919]
+ * x257 is (value<<8 + value) to get the properly bit shifted and padded
+ * value. [Bug: 4919]
*/
+
colorPtr->red = GetRValue(colorPtr->pixel) * 257;
colorPtr->green = GetGValue(colorPtr->pixel) * 257;
colorPtr->blue = GetBValue(colorPtr->pixel) * 257;
@@ -178,27 +178,26 @@ FindSystemColor(name, colorPtr, indexPtr)
*
* Side effects:
* May invalidate the colormap cache associated with tkwin upon
- * allocating a new colormap entry. Allocates a new TkColor
- * structure.
+ * allocating a new colormap entry. Allocates a new TkColor structure.
*
*----------------------------------------------------------------------
*/
TkColor *
-TkpGetColor(tkwin, name)
- Tk_Window tkwin; /* Window in which color will be used. */
- Tk_Uid name; /* Name of color to allocated (in form
+TkpGetColor(
+ Tk_Window tkwin, /* Window in which color will be used. */
+ Tk_Uid name) /* Name of color to allocated (in form
* suitable for passing to XParseColor). */
{
WinColor *winColPtr;
XColor color;
int index = -1; /* -1 indicates that this is not an indirect
- * sytem color. */
+ * system color. */
/*
- * Check to see if it is a system color or an X color string. If the
- * color is found, allocate a new WinColor and store the XColor and the
- * system color index.
+ * Check to see if it is a system color or an X color string. If the color
+ * is found, allocate a new WinColor and store the XColor and the system
+ * color index.
*/
if (((strncasecmp(name, "system", 6) == 0)
@@ -211,7 +210,7 @@ TkpGetColor(tkwin, name)
XAllocColor(Tk_Display(tkwin), Tk_Colormap(tkwin),
&winColPtr->info.color);
- return (TkColor *) winColPtr;
+ return (TkColor *) winColPtr;
}
return (TkColor *) NULL;
}
@@ -221,27 +220,26 @@ TkpGetColor(tkwin, name)
*
* TkpGetColorByValue --
*
- * Given a desired set of red-green-blue intensities for a color,
- * locate a pixel value to use to draw that color in a given
- * window.
+ * Given a desired set of red-green-blue intensities for a color, locate
+ * a pixel value to use to draw that color in a given window.
*
* Results:
- * The return value is a pointer to an TkColor structure that
- * indicates the closest red, blue, and green intensities available
- * to those specified in colorPtr, and also specifies a pixel
- * value to use to draw in that color.
+ * The return value is a pointer to an TkColor structure that indicates
+ * the closest red, blue, and green intensities available to those
+ * specified in colorPtr, and also specifies a pixel value to use to draw
+ * in that color.
*
* Side effects:
- * May invalidate the colormap cache for the specified window.
- * Allocates a new TkColor structure.
+ * May invalidate the colormap cache for the specified window. Allocates
+ * a new TkColor structure.
*
*----------------------------------------------------------------------
*/
TkColor *
-TkpGetColorByValue(tkwin, colorPtr)
- Tk_Window tkwin; /* Window in which color will be used. */
- XColor *colorPtr; /* Red, green, and blue fields indicate
+TkpGetColorByValue(
+ Tk_Window tkwin, /* Window in which color will be used. */
+ XColor *colorPtr) /* Red, green, and blue fields indicate
* desired color. */
{
WinColor *tkColPtr = (WinColor *) ckalloc(sizeof(WinColor));
@@ -266,15 +264,15 @@ TkpGetColorByValue(tkwin, colorPtr)
* None
*
* Side effects:
- * Invalidates the colormap cache for the colormap associated with
- * the given color.
+ * Invalidates the colormap cache for the colormap associated with the
+ * given color.
*
*----------------------------------------------------------------------
*/
void
-TkpFreeColor(tkColPtr)
- TkColor *tkColPtr; /* Color to be released. Must have been
+TkpFreeColor(
+ TkColor *tkColPtr) /* Color to be released. Must have been
* allocated by TkpGetColor or
* TkpGetColorByValue. */
{
@@ -289,13 +287,13 @@ TkpFreeColor(tkColPtr)
*
* TkWinIndexOfColor --
*
- * Given a color, return the system color index that was used
- * to create the color.
+ * Given a color, return the system color index that was used to create
+ * the color.
*
* Results:
- * If the color was allocated using a system indirect color name,
- * then the corresponding GetSysColor() index is returned.
- * Otherwise, -1 is returned.
+ * If the color was allocated using a system indirect color name, then
+ * the corresponding GetSysColor() index is returned. Otherwise, -1 is
+ * returned.
*
* Side effects:
* None.
@@ -304,13 +302,13 @@ TkpFreeColor(tkColPtr)
*/
int
-TkWinIndexOfColor(colorPtr)
- XColor *colorPtr;
+TkWinIndexOfColor(
+ XColor *colorPtr)
{
register WinColor *winColPtr = (WinColor *) colorPtr;
if (winColPtr->info.magic == COLOR_MAGIC) {
return winColPtr->index;
- }
+ }
return -1;
}
@@ -322,8 +320,8 @@ TkWinIndexOfColor(colorPtr)
* Find the closest available color to the specified XColor.
*
* Results:
- * Updates the color argument and returns 1 on success. Otherwise
- * returns 0.
+ * Updates the color argument and returns 1 on success. Otherwise returns
+ * 0.
*
* Side effects:
* Allocates a new color in the palette.
@@ -332,10 +330,10 @@ TkWinIndexOfColor(colorPtr)
*/
int
-XAllocColor(display, colormap, color)
- Display* display;
- Colormap colormap;
- XColor* color;
+XAllocColor(
+ Display *display,
+ Colormap colormap,
+ XColor *color)
{
TkWinColormap *cmap = (TkWinColormap *) colormap;
PALETTEENTRY entry, closeEntry;
@@ -356,7 +354,7 @@ XAllocColor(display, colormap, color)
/*
* Find the nearest existing palette entry.
*/
-
+
newPixel = RGB(entry.peRed, entry.peGreen, entry.peBlue);
index = GetNearestPaletteIndex(cmap->palette, newPixel);
GetPaletteEntries(cmap->palette, index, 1, &closeEntry);
@@ -364,15 +362,14 @@ XAllocColor(display, colormap, color)
closeEntry.peBlue);
/*
- * If this is not a duplicate, allocate a new entry. Note that
- * we may get values for index that are above the current size
- * of the palette. This happens because we don't shrink the size of
- * the palette object when we deallocate colors so there may be
- * stale values that match in the upper slots. We should ignore
- * those values and just put the new color in as if the colors
- * had not matched.
+ * If this is not a duplicate, allocate a new entry. Note that we may
+ * get values for index that are above the current size of the
+ * palette. This happens because we don't shrink the size of the
+ * palette object when we deallocate colors so there may be stale
+ * values that match in the upper slots. We should ignore those values
+ * and just put the new color in as if the colors had not matched.
*/
-
+
if ((index >= cmap->size) || (newPixel != closePixel)) {
if (cmap->size == sizePalette) {
color->red = closeEntry.peRed * 257;
@@ -399,11 +396,10 @@ XAllocColor(display, colormap, color)
}
Tcl_SetHashValue(entryPtr, (ClientData)refCount);
} else {
-
/*
* Determine what color will actually be used on non-colormap systems.
*/
-
+
color->pixel = GetNearestColor(dc,
RGB(entry.peRed, entry.peGreen, entry.peBlue));
color->red = GetRValue(color->pixel) * 257;
@@ -426,19 +422,19 @@ XAllocColor(display, colormap, color)
* None.
*
* Side effects:
- * Removes entries for the current palette and compacts the
- * remaining set.
+ * Removes entries for the current palette and compacts the remaining
+ * set.
*
*----------------------------------------------------------------------
*/
void
-XFreeColors(display, colormap, pixels, npixels, planes)
- Display* display;
- Colormap colormap;
- unsigned long* pixels;
- int npixels;
- unsigned long planes;
+XFreeColors(
+ Display *display,
+ Colormap colormap;,
+ unsigned long *pixels,
+ int npixels,
+ unsigned long planes)
{
TkWinColormap *cmap = (TkWinColormap *) colormap;
COLORREF cref;
@@ -451,16 +447,14 @@ XFreeColors(display, colormap, pixels, npixels, planes)
/*
* We don't have to do anything for non-palette devices.
*/
-
- if (GetDeviceCaps(dc, RASTERCAPS) & RC_PALETTE) {
+ if (GetDeviceCaps(dc, RASTERCAPS) & RC_PALETTE) {
/*
* This is really slow for large values of npixels.
*/
for (i = 0; i < npixels; i++) {
- entryPtr = Tcl_FindHashEntry(&cmap->refCounts,
- (char *) pixels[i]);
+ entryPtr = Tcl_FindHashEntry(&cmap->refCounts, (char *) pixels[i]);
if (!entryPtr) {
Tcl_Panic("Tried to free a color that isn't allocated.");
}
@@ -471,8 +465,8 @@ XFreeColors(display, colormap, pixels, npixels, planes)
GetPaletteEntries(cmap->palette, index, 1, &entry);
if (cref == RGB(entry.peRed, entry.peGreen, entry.peBlue)) {
count = cmap->size - index;
- entries = (PALETTEENTRY *) ckalloc(sizeof(PALETTEENTRY)
- * count);
+ entries = (PALETTEENTRY *)
+ ckalloc(sizeof(PALETTEENTRY) * count);
GetPaletteEntries(cmap->palette, index+1, count, entries);
SetPaletteEntries(cmap->palette, index, count, entries);
ckfree((char *) entries);
@@ -506,11 +500,11 @@ XFreeColors(display, colormap, pixels, npixels, planes)
*/
Colormap
-XCreateColormap(display, w, visual, alloc)
- Display* display;
- Window w;
- Visual* visual;
- int alloc;
+XCreateColormap(
+ Display *display,
+ Window w,
+ Visual *visual,
+ int alloc)
{
char logPalBuf[sizeof(LOGPALETTE) + 256 * sizeof(PALETTEENTRY)];
LOGPALETTE *logPalettePtr;
@@ -544,7 +538,7 @@ XCreateColormap(display, w, visual, alloc)
for (i = 0; i < logPalettePtr->palNumEntries; i++) {
entryPtr = logPalettePtr->palPalEntry + i;
hashPtr = Tcl_CreateHashEntry(&cmap->refCounts, (char*) PALETTERGB(
- entryPtr->peRed, entryPtr->peGreen, entryPtr->peBlue), &new);
+ entryPtr->peRed, entryPtr->peGreen, entryPtr->peBlue), &new);
Tcl_SetHashValue(hashPtr, (ClientData)1);
}
@@ -562,19 +556,19 @@ XCreateColormap(display, w, visual, alloc)
* None.
*
* Side effects:
- * Deletes the palette associated with the colormap. Note that
- * the palette must not be selected into a device context when
- * this occurs.
+ * Deletes the palette associated with the colormap. Note that the
+ * palette must not be selected into a device context when this occurs.
*
*----------------------------------------------------------------------
*/
void
-XFreeColormap(display, colormap)
- Display* display;
- Colormap colormap;
+XFreeColormap(
+ Display *display,
+ Colormap colormap)
{
TkWinColormap *cmap = (TkWinColormap *) colormap;
+
if (!DeleteObject(cmap->palette)) {
Tcl_Panic("Unable to free colormap, palette is still selected.");
}
@@ -587,10 +581,9 @@ XFreeColormap(display, colormap)
*
* TkWinSelectPalette --
*
- * This function sets up the specified device context with a
- * given palette. If the palette is stale, it realizes it in
- * the background unless the palette is the current global
- * palette.
+ * This function sets up the specified device context with a given
+ * palette. If the palette is stale, it realizes it in the background
+ * unless the palette is the current global palette.
*
* Results:
* Returns the previous palette selected into the device context.
@@ -602,9 +595,9 @@ XFreeColormap(display, colormap)
*/
HPALETTE
-TkWinSelectPalette(dc, colormap)
- HDC dc;
- Colormap colormap;
+TkWinSelectPalette(
+ HDC dc,
+ Colormap colormap)
{
TkWinColormap *cmap = (TkWinColormap *) colormap;
HPALETTE oldPalette;
@@ -614,3 +607,11 @@ TkWinSelectPalette(dc, colormap)
RealizePalette(dc);
return oldPalette;
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */