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Don't call DestroyGraph if graf id is 0

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This commit is contained in:
Holger Vogt
2020-02-22 09:46:35 +01:00
parent f1e08d7d32
commit 405807bb08
1 changed files with 4 additions and 3 deletions
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src/frontend/postsc.c
+4 -3
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@@ -141,7 +141,7 @@ int PS_Init(void)
if (settxcolor > maxcolor || settxcolor < 0) { if (settxcolor > maxcolor || settxcolor < 0) {
fprintf(stderr, "Bad PS text color selection %d\n", settxcolor); fprintf(stderr, "Bad PS text color selection %d\n", settxcolor);
fprintf(stderr, " Maximum for hcopypstxcolor is %d\n", maxcolor - 1); fprintf(stderr, " Maximum for hcopypstxcolor is %d\n\n", maxcolor - 1);
colorflag = 0; colorflag = 0;
dispdev->numcolors = 2; dispdev->numcolors = 2;
} }
@@ -149,7 +149,7 @@ int PS_Init(void)
if (setbgcolor > maxcolor || setbgcolor < 0) { if (setbgcolor > maxcolor || setbgcolor < 0) {
fprintf(stderr, "Bad PS background color selection %d\n", setbgcolor); fprintf(stderr, "Bad PS background color selection %d\n", setbgcolor);
fprintf(stderr, " Maximum for hcopypscolor is %d\n", maxcolor - 1); fprintf(stderr, " Maximum for hcopypscolor is %d\n", maxcolor - 1);
fprintf(stderr, " Set to 1 (white)\n"); fprintf(stderr, " Set to 1 (white)\n\n");
setbgcolor = 1; setbgcolor = 1;
} }
@@ -327,7 +327,8 @@ int PS_Close(void)
* and reset currentgraph to graphid 1, if possible * and reset currentgraph to graphid 1, if possible
*/ */
if (!screenflag) { if (!screenflag) {
DestroyGraph(hcopygraphid); if (hcopygraphid > 0)
DestroyGraph(hcopygraphid);
currentgraph = FindGraph(1); currentgraph = FindGraph(1);
} }
return 0; return 0;