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authordkf <donal.k.fellows@manchester.ac.uk>2003-08-15 10:54:59 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2003-08-15 10:54:59 (GMT)
commitc240a7ed4076ed9248067262a158dd013048c68d (patch)
treed2da5d5ddbbe9896f51f500f585ff0e479998311 /generic
parent1ea6a2802aa9cad7de2d34747034400617e51c34 (diff)
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Faster color data parsing code for the [$photo put] subcommand.
Diffstat (limited to 'generic')
-rw-r--r--generic/tkImgPhoto.c73
1 files changed, 52 insertions, 21 deletions
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index b39893f..56a26cf 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -7,7 +7,7 @@
*
* Copyright (c) 1994 The Australian National University.
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
- * Copyright (c) 2002 Donal K. Fellows
+ * Copyright (c) 2002-2003 Donal K. Fellows
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
@@ -16,7 +16,7 @@
* Department of Computer Science,
* Australian National University.
*
- * RCS: @(#) $Id: tkImgPhoto.c,v 1.39 2003/07/17 12:59:52 dkf Exp $
+ * RCS: @(#) $Id: tkImgPhoto.c,v 1.40 2003/08/15 10:54:59 dkf Exp $
*/
#include "tkInt.h"
@@ -647,13 +647,11 @@ ImgPhotoCmd(clientData, interp, objc, objv)
int x, y, width, height;
int dataWidth, dataHeight;
struct SubcommandOptions options;
- int listArgc;
- CONST char **listArgv;
- CONST char **srcArgv;
+ int listObjc;
+ Tcl_Obj **listObjv, **srcObjv;
unsigned char *pixelPtr;
Tk_PhotoImageBlock block;
Tk_Window tkwin;
- XColor color;
Tk_PhotoImageFormat *imageFormat;
int imageWidth, imageHeight;
int matched;
@@ -1052,8 +1050,8 @@ ImgPhotoCmd(clientData, interp, objc, objv)
return TCL_ERROR;
}
Tcl_ResetResult(interp);
- if (Tcl_SplitList(interp, Tcl_GetString(options.name),
- &dataHeight, &srcArgv) != TCL_OK) {
+ if (Tcl_ListObjGetElements(interp, options.name,
+ &dataHeight, &srcObjv) != TCL_OK) {
return TCL_ERROR;
}
tkwin = Tk_MainWindow(interp);
@@ -1061,44 +1059,77 @@ ImgPhotoCmd(clientData, interp, objc, objv)
dataWidth = 0;
pixelPtr = NULL;
for (y = 0; y < dataHeight; ++y) {
- if (Tcl_SplitList(interp, srcArgv[y], &listArgc, &listArgv)
- != TCL_OK) {
+ if (Tcl_ListObjGetElements(interp, srcObjv[y],
+ &listObjc, &listObjv) != TCL_OK) {
break;
}
if (y == 0) {
- if (listArgc == 0) {
+ if (listObjc == 0) {
/*
* Lines must be non-empty...
*/
break;
}
- dataWidth = listArgc;
+ dataWidth = listObjc;
pixelPtr = (unsigned char *)
ckalloc((unsigned) dataWidth * dataHeight * 3);
block.pixelPtr = pixelPtr;
- } else if (listArgc != dataWidth) {
+ } else if (listObjc != dataWidth) {
Tcl_AppendResult(interp, "all elements of color list must",
" have the same number of elements", (char *) NULL);
- ckfree((char *) listArgv);
break;
}
for (x = 0; x < dataWidth; ++x) {
+ char *colorString = Tcl_GetString(listObjv[x]);
+ XColor color;
+ int tmpr, tmpg, tmpb;
+
+ /*
+ * We do not use Tk_GetColorFromObj() because we
+ * absolutely do not want to invoke the fallback code.
+ */
+
+ if (colorString[0] == '#') {
+ if (isxdigit(UCHAR(colorString[1])) &&
+ isxdigit(UCHAR(colorString[2])) &&
+ isxdigit(UCHAR(colorString[3]))) {
+ if (colorString[4] == '\0') {
+ /* Got #rgb */
+ sscanf(colorString+1, "%1x%1x%1x",
+ &tmpr, &tmpg, &tmpb);
+ *pixelPtr++ = tmpr * 0x11;
+ *pixelPtr++ = tmpg * 0x11;
+ *pixelPtr++ = tmpb * 0x11;
+ continue;
+ } else if (isxdigit(UCHAR(colorString[4])) &&
+ isxdigit(UCHAR(colorString[5])) &&
+ isxdigit(UCHAR(colorString[6])) &&
+ colorString[7] == '\0') {
+ /* Got #rrggbb */
+ sscanf(colorString+1, "%2x%2x%2x",
+ &tmpr, &tmpg, &tmpb);
+ *pixelPtr++ = tmpr;
+ *pixelPtr++ = tmpg;
+ *pixelPtr++ = tmpb;
+ continue;
+ }
+ }
+ }
+
if (!XParseColor(Tk_Display(tkwin), Tk_Colormap(tkwin),
- listArgv[x], &color)) {
+ colorString, &color)) {
Tcl_AppendResult(interp, "can't parse color \"",
- listArgv[x], "\"", (char *) NULL);
+ colorString, "\"", (char *) NULL);
break;
}
*pixelPtr++ = color.red >> 8;
*pixelPtr++ = color.green >> 8;
*pixelPtr++ = color.blue >> 8;
}
- ckfree((char *) listArgv);
if (x < dataWidth) {
break;
}
}
- ckfree((char *) srcArgv);
if (y < dataHeight || dataHeight == 0 || dataWidth == 0) {
if (block.pixelPtr != NULL) {
ckfree((char *) block.pixelPtr);
@@ -5499,11 +5530,11 @@ PhotoOptionFind(interp, obj)
{
size_t length;
char *name = Tcl_GetStringFromObj(obj, (int *) &length);
- OptionAssocData *list;
char *prevname = NULL;
Tcl_ObjCmdProc *proc = (Tcl_ObjCmdProc *) NULL;
- list = (OptionAssocData *) Tcl_GetAssocData(interp, "photoOption",
- (Tcl_InterpDeleteProc **) NULL);
+ OptionAssocData *list = (OptionAssocData *) Tcl_GetAssocData(interp,
+ "photoOption", (Tcl_InterpDeleteProc **) NULL);
+
while (list != (OptionAssocData *) NULL) {
if (strncmp(name, list->name, length) == 0) {
if (proc != (Tcl_ObjCmdProc *) NULL) {