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[PATCH] SDL_GetVideoMode() does not find best mode, part 2 Following commit 1.51, I come accross a problem when SDL must choose between several video modes that could suit the one asked. If I ask 320x240 with this list: 768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200 The smallest selectables modes are 384x240 and 320x400. And SDL choose the later in this list, but 384x240 is more suitable. So I added a check to compare the pixel count (surface) of modes, and select the one which has the smallest pixel count. In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now SDL will choose 384x240 for the asked 320x240 mode.
author Patrice Mandin <patmandin@gmail.com>
date Thu, 19 Jan 2006 21:28:52 +0000
parents ab40b9b2d0d5
children 546f7c1eb755
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents: 55
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1 .TH "SDL_ResizeEvent" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_ResizeEvent\- Window resize event structure
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4 .SH "STRUCTURE DEFINITION"
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5 .PP
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6 .nf
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7 \f(CWtypedef struct{
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8 Uint8 type;
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9 int w, h;
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10 } SDL_ResizeEvent;\fR
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11 .fi
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12 .PP
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13 .SH "STRUCTURE DATA"
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14 .TP 20
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15 \fBtype\fR
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16 \fBSDL_VIDEORESIZE\fP
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17 .TP 20
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18 \fBw\fR, \fBh\fR
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19 New width and height of the window
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20 .SH "DESCRIPTION"
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21 .PP
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22 \fBSDL_ResizeEvent\fR is a member of the \fI\fBSDL_Event\fR\fR union and is used when an event of type \fBSDL_VIDEORESIZE\fP is reported\&.
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23 .PP
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24 When \fBSDL_RESIZABLE\fP is passed as a \fBflag\fR to \fI\fBSDL_SetVideoMode\fP\fR the user is allowed to resize the applications window\&. When the window is resized an \fBSDL_VIDEORESIZE\fP is report, with the new window width and height values stored in \fBw\fR and \fBh\fR, respectively\&. When an \fBSDL_VIDEORESIZE\fP is received the window should be resized to the new dimensions using \fI\fBSDL_SetVideoMode\fP\fR\&.
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25 .SH "SEE ALSO"
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26 .PP
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27 \fI\fBSDL_Event\fR\fR, \fI\fBSDL_SetVideoMode\fP\fR
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28 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59