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/* Copyright (C) 2003 Damir Zucic */
/*=============================================================================
blur.c
Purpose:
Execute blur command: set blur flag and define blur rectangle size.
Blur will not affect labels, tags, titles and the small coordinate
system in the top left corner.
Input:
(1) Pointer to MolComplexS structure.
(2) The number of macromolecular complexes.
(3) Pointer to RuntimeS structure.
(4) Pointer to ConfigS structure.
(5) Pointer to GUIS structure.
(6) Pointer to NearestAtomS structure.
(7) The number of pixels in the main window free area.
(8) Pointer to refreshI.
(9) Pointer to the remainder of the command string. This command
may be given without any keyword, with the keyword OFF or with
two positive integers (blur rectangle width and height).
Output:
(1) The blur flag set and (on request) the blur rectangle width and
height changed.
(2) Return value.
Return value:
(1) Positive (command) code on success.
(2) Negative (error) code on failure.
========includes:============================================================*/
#include <stdio.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include "defines.h"
#include "commands.h"
#include "typedefs.h"
/*======function prototypes:=================================================*/
char *ExtractToken_ (char *, int, char *, char *);
int ExtractTwoIntegers_ (int *, int *, char *);
size_t MainRefresh_ (MolComplexS *, int,
RuntimeS *, ConfigS *, GUIS *,
NearestAtomS *, size_t, unsigned int);
int ControlRefresh_ (MolComplexS *, ConfigS *, GUIS *);
/*======execute blur command:================================================*/
int Blur_ (MolComplexS *mol_complexSP, int mol_complexesN,
RuntimeS *runtimeSP, ConfigS *configSP, GUIS *guiSP,
NearestAtomS *nearest_atomSP, size_t pixelsN,
unsigned int *refreshIP, char *stringP)
{
char *remainderP;
char tokenA[SHORTSTRINGSIZE];
char *P;
int n;
int width, height;
/* Set the blur flag to one. This may change */
/* later, if the keyword OFF will be found. */
runtimeSP->blurF = 1;
/* Extract the first token: */
remainderP = ExtractToken_ (tokenA, STRINGSIZE, stringP, " \t\n");
/* If available, the first token should contain */
/* the keyword OFF or two positive integers: */
if (remainderP)
{
/* If keyword OFF is present, reset the blur flag to zero: */
if (strstr (tokenA, "OFF") == tokenA)
{
/* Reset the blur flag: */
runtimeSP->blurF = 0;
}
/* If the keyword OFF is not present, */
/* two positive integers are expected: */
else
{
/* Replace each minus in the input string with space: */
P = stringP;
while ((n = *P++) != '\0')
{
if (n == '-') *(P - 1) = ' ';
}
/* If reading fails: */
if (ExtractTwoIntegers_ (&width, &height, stringP) < 0)
{
strcpy (runtimeSP->messageA,
"Two positive integers expected!");
runtimeSP->message_length =
strlen (runtimeSP->messageA);
return ERROR_BLUR;
}
/* If two integers were successfully read, check them: */
if ((width <= 0) || (height <= 0))
{
strcpy (runtimeSP->messageA,
"Two positive integers expected!");
runtimeSP->message_length =
strlen (runtimeSP->messageA);
return ERROR_BLUR;
}
/* Store the extracted width and height: */
runtimeSP->blur_width = width;
runtimeSP->blur_height = height;
}
}
/* Refresh the main window: */
(*refreshIP)++;
MainRefresh_ (mol_complexSP, mol_complexesN,
runtimeSP, configSP, guiSP,
nearest_atomSP, pixelsN, *refreshIP);
/* Refresh the control window: */
ControlRefresh_ (mol_complexSP + runtimeSP->default_complexI, configSP, guiSP);
/* Return the command code: */
return COMMAND_BLUR;
}
/*===========================================================================*/
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