1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
Psychtoolbox3/Source/Common/SCREENPixelSizes.c
AUTHORS:
Allen.Ingling@nyu.edu awi
PLATFORMS:
This file should build on any platform.
HISTORY:
12/03/02 awi Created.
DESCRIPTION:
Return a list of the valid pixel sizes for the specified screen.
TO DO:
*/
#include "Screen.h"
// If you change the useString then also change the corresponding synopsis string in ScreenSynopsis.c
static char useString[] = "pixelSizes=Screen('PixelSizes', windowPtrOrScreenNumber)";
static char synopsisString[] =
"List all possible pixelSizes for this screen available at the current height and width settings. "
"If you change height and with settings the avaialable depths might change.";
static char seeAlsoString[] = "Resolutions Resolution";
PsychError SCREENPixelSizes(void)
{
int screenNumber;
PsychDepthType depths;
//all sub functions should have these two lines
PsychPushHelp(useString, synopsisString, seeAlsoString);
if(PsychIsGiveHelp()){PsychGiveHelp();return(PsychError_none);};
//check to see if the user supplied superfluous arguments
PsychErrorExit(PsychCapNumOutputArgs(1));
PsychErrorExit(PsychCapNumInputArgs(1));
//get specified screen number. This also sanity checks against the number of displays.
PsychCopyInScreenNumberArg(kPsychUseDefaultArgPosition, TRUE, &screenNumber);
//get the screen depths
PsychInitDepthStruct(&depths);
PsychGetScreenDepths(screenNumber, &depths);
//Allocate a return matrix and load it with the depth values.
PsychCopyOutDepthArg(1, FALSE, &depths);
return(PsychError_none);
}
|
