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annotate docs/man3/SDL_GetRGBA.3 @ 738:82b85b731fe3

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Date: Mon, 10 Nov 2003 19:57:56 +0100 From: Stephane Marchesin <stephane.marchesin@wanadoo.fr> Subject: [SDL] SDL and gcc >= 3.3.1 fix Lately, I upgraded my gcc compiler and could trigger the error described in this thread : http://www.libsdl.org/pipermail/sdl/2003-September/056163.html SDL_RLEaccel.c: In function `RLEClipBlit': SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand The attached patch fixes this issue, and is smaller than the previous one, as I was able to trigger the issue, so I could narrow it.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 14 Nov 2003 20:21:22 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_GetRGBA" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_GetRGBA\- Get RGBA values from a pixel in the specified pixel format\&.
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBvoid \fBSDL_GetRGBA\fP\fR(\fBUint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Get RGBA component values from a pixel stored in the specified pixel format\&.
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12 .PP
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13 This function uses the entire 8-bit [0\&.\&.255] range when converting color components from pixel formats with less than 8-bits per RGB component (e\&.g\&., a completely white pixel in 16-bit RGB565 format would return [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8])\&.
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14 .PP
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15 If the surface has no alpha component, the alpha will be returned as 0xff (100% opaque)\&.
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16 .SH "SEE ALSO"
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17 .PP
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18 \fISDL_GetRGB\fR, \fISDL_MapRGB\fR, \fISDL_MapRGBA\fR, \fISDL_PixelFormat\fR
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19 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01