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C++ R_GammaCorrect函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中R_GammaCorrect函数的典型用法代码示例。如果您正苦于以下问题：C++ R_GammaCorrect函数的具体用法？C++ R_GammaCorrect怎么用？C++ R_GammaCorrect使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了R_GammaCorrect函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: R_TakeScreenshot

// "filename" param is something like "screenshots/shot0000.tga"
//	note that if the last extension is ".jpg", then it'll save a JPG, else TGA
//
void R_TakeScreenshot( int x, int y, int width, int height, char *fileName ) {
#ifndef _XBOX
	byte		*buffer;
	int			i, c, temp;

	qboolean bSaveAsJPG = !strnicmp(&fileName[strlen(fileName)-4],".jpg",4);

	if (bSaveAsJPG)
	{
		// JPG saver expects to be fed RGBA data, though it presumably ignores 'A'...
		//
		buffer = (unsigned char *) Z_Malloc(glConfig.vidWidth*glConfig.vidHeight*4, TAG_TEMP_WORKSPACE, qfalse);
		qglReadPixels( x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer ); 

		// gamma correct
		if ( tr.overbrightBits>0 && glConfig.deviceSupportsGamma ) {
			R_GammaCorrect( buffer, glConfig.vidWidth * glConfig.vidHeight * 4 );
		}

		SaveJPG(fileName, 95, width, height, buffer);
	}
	else
	{
		// TGA...
		//
		buffer = (unsigned char *) Z_Malloc(glConfig.vidWidth*glConfig.vidHeight*3 + 18, TAG_TEMP_WORKSPACE, qfalse);
		memset (buffer, 0, 18);
		buffer[2] = 2;		// uncompressed type
		buffer[12] = width & 255;
		buffer[13] = width >> 8;
		buffer[14] = height & 255;
		buffer[15] = height >> 8;
		buffer[16] = 24;	// pixel size

		qglReadPixels( x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 ); 

		// swap rgb to bgr
		c = 18 + width * height * 3;
		for (i=18 ; i<c ; i+=3) {
			temp = buffer[i];
			buffer[i] = buffer[i+2];
			buffer[i+2] = temp;
		}

		// gamma correct
		if ( tr.overbrightBits>0 && glConfig.deviceSupportsGamma ) {
			R_GammaCorrect( buffer + 18, glConfig.vidWidth * glConfig.vidHeight * 3 );
		}
		FS_WriteFile( fileName, buffer, c );
	}
	
	Z_Free( buffer );
#endif
}
开发者ID:Camron，项目名称:OpenJK，代码行数:57，代码来源:tr_init.cpp


示例2: R_LevelShot

static void R_LevelShot( void ) {
#ifndef _XBOX
    char		checkname[MAX_OSPATH];
    byte		*buffer;
    byte		*source;
    byte		*src, *dst;
    int			x, y;
    int			r, g, b;
    float		xScale, yScale;
    int			xx, yy;

    sprintf( checkname, "levelshots/%s.tga", tr.world->baseName );

    source = (unsigned char *)Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight * 3 );

    buffer = (unsigned char *)Hunk_AllocateTempMemory( LEVELSHOTSIZE * LEVELSHOTSIZE*3 + 18);
    Com_Memset (buffer, 0, 18);
    buffer[2] = 2;		// uncompressed type
    buffer[12] = LEVELSHOTSIZE & 255;
    buffer[13] = LEVELSHOTSIZE >> 8;
    buffer[14] = LEVELSHOTSIZE & 255;
    buffer[15] = LEVELSHOTSIZE >> 8;
    buffer[16] = 24;	// pixel size

    qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, source );

    // resample from source
    xScale = glConfig.vidWidth / (4.0*LEVELSHOTSIZE);
    yScale = glConfig.vidHeight / (3.0*LEVELSHOTSIZE);
    for ( y = 0 ; y < LEVELSHOTSIZE ; y++ ) {
        for ( x = 0 ; x < LEVELSHOTSIZE ; x++ ) {
            r = g = b = 0;
            for ( yy = 0 ; yy < 3 ; yy++ ) {
                for ( xx = 0 ; xx < 4 ; xx++ ) {
                    src = source + 3 * ( glConfig.vidWidth * (int)( (y*3+yy)*yScale ) + (int)( (x*4+xx)*xScale ) );
                    r += src[0];
                    g += src[1];
                    b += src[2];
                }
            }
            dst = buffer + 18 + 3 * ( y * LEVELSHOTSIZE + x );
            dst[0] = b / 12;
            dst[1] = g / 12;
            dst[2] = r / 12;
        }
    }

    // gamma correct
    if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
        R_GammaCorrect( buffer + 18, LEVELSHOTSIZE * LEVELSHOTSIZE * 3 );
    }

    FS_WriteFile( checkname, buffer, LEVELSHOTSIZE * LEVELSHOTSIZE*3 + 18 );

    Hunk_FreeTempMemory( buffer );
    Hunk_FreeTempMemory( source );

    Com_Printf ("Wrote %s\n", checkname );
#endif
}
开发者ID:MrSquirrely，项目名称:Jedi-Academy，代码行数:60，代码来源:tr_init.cpp


示例3: RB_TakeScreenshot

/* 
================== 
RB_TakeScreenshot
================== 
*/  
void RB_TakeScreenshot(int x, int y, int width, int height, char *fileName)
{
	byte *allbuf, *buffer;
	byte *srcptr, *destptr;
	byte *endline, *endmem;
	byte temp;
	
	int linelen, padlen;
	size_t offset = 18, memcount;
		
	allbuf = RB_ReadPixels(x, y, width, height, &offset, &padlen);
	buffer = allbuf + offset - 18;
	
	Com_Memset (buffer, 0, 18);
	buffer[2] = 2;		// uncompressed type
	buffer[12] = width & 255;
	buffer[13] = width >> 8;
	buffer[14] = height & 255;
	buffer[15] = height >> 8;
	buffer[16] = 24;	// pixel size

	// swap rgb to bgr and remove padding from line endings
	linelen = width * 3;
	
	srcptr = destptr = allbuf + offset;
	endmem = srcptr + (linelen + padlen) * height;
	
	while(srcptr < endmem)
	{
		endline = srcptr + linelen;

		while(srcptr < endline)
		{
			temp = srcptr[0];
			*destptr++ = srcptr[2];
			*destptr++ = srcptr[1];
			*destptr++ = temp;
			
			srcptr += 3;
		}
		
		// Skip the pad
		srcptr += padlen;
	}

	memcount = linelen * height;

	// gamma correct
	if(glConfig.deviceSupportsGamma
//openarena: altbright
		&& !r_alternateBrightness->integer
//-openarena
	) {
		R_GammaCorrect(allbuf + offset, memcount);
}

	ri.FS_WriteFile(fileName, buffer, memcount + 18);

	ri.Hunk_FreeTempMemory(allbuf);
}
开发者ID:themuffinator，项目名称:fnq3，代码行数:65，代码来源:tr_init.c


示例4: R_LevelShot

void R_LevelShot( void ) {
#ifndef _XBOX
	char		checkname[MAX_OSPATH];
	byte		*buffer;
	byte		*source;
	byte		*src, *dst;
	int			x, y;
	int			r, g, b;
	float		xScale, yScale;
	int			xx, yy;

	sprintf( checkname, "levelshots/%s.tga", tr.worldDir + strlen("maps/") );

	source = (byte*) Z_Malloc( glConfig.vidWidth * glConfig.vidHeight * 3, TAG_TEMP_WORKSPACE, qfalse );

	buffer = (byte*) Z_Malloc( LEVELSHOTSIZE * LEVELSHOTSIZE*3 + 18, TAG_TEMP_WORKSPACE, qfalse );
	memset (buffer, 0, 18);
	buffer[2] = 2;		// uncompressed type
	buffer[12] = LEVELSHOTSIZE & 255;
	buffer[13] = LEVELSHOTSIZE >> 8;
	buffer[14] = LEVELSHOTSIZE & 255;
	buffer[15] = LEVELSHOTSIZE >> 8;
	buffer[16] = 24;	// pixel size

	qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, source ); 

	// resample from source
	xScale = glConfig.vidWidth / (4.0*LEVELSHOTSIZE);
	yScale = glConfig.vidHeight / (3.0*LEVELSHOTSIZE);
	for ( y = 0 ; y < LEVELSHOTSIZE ; y++ ) {
		for ( x = 0 ; x < LEVELSHOTSIZE ; x++ ) {
			r = g = b = 0;
			for ( yy = 0 ; yy < 3 ; yy++ ) {
				for ( xx = 0 ; xx < 4 ; xx++ ) {
					src = source + 3 * ( glConfig.vidWidth * (int)( (y*3+yy)*yScale ) + (int)( (x*4+xx)*xScale ) );
					r += src[0];
					g += src[1];
					b += src[2];
				}
			}
			dst = buffer + 18 + 3 * ( y * LEVELSHOTSIZE + x );
			dst[0] = b / 12;
			dst[1] = g / 12;
			dst[2] = r / 12;
		}
	}

	// gamma correct
	if ( glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer + 18, LEVELSHOTSIZE * LEVELSHOTSIZE * 3 );
	}

	FS_WriteFile( checkname, buffer, LEVELSHOTSIZE * LEVELSHOTSIZE*3 + 18 );

	Z_Free( buffer );
	Z_Free( source );

	VID_Printf( PRINT_ALL, "Wrote %s\n", checkname );
#endif
}
开发者ID:Camron，项目名称:OpenJK，代码行数:60，代码来源:tr_init.cpp


示例5: R_TakeScreenshot

/* 
================== 
R_TakeScreenshot
================== 
*/  
void R_TakeScreenshot( int x, int y, int width, int height, char *fileName ) {
	byte		*buffer;
	int			i, c, temp;

	buffer = (unsigned char *)Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*3+18);

	Com_Memset (buffer, 0, 18);
	buffer[2] = 2;		// uncompressed type
	buffer[12] = width & 255;
	buffer[13] = width >> 8;
	buffer[14] = height & 255;
	buffer[15] = height >> 8;
	buffer[16] = 24;	// pixel size

	qglReadPixels( x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 ); 

	// swap rgb to bgr
	c = 18 + width * height * 3;
	for (i=18 ; i<c ; i+=3) {
		temp = buffer[i];
		buffer[i] = buffer[i+2];
		buffer[i+2] = temp;
	}

	// gamma correct
	if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer + 18, glConfig.vidWidth * glConfig.vidHeight * 3 );
	}

	FS_WriteFile( fileName, buffer, c );

	Hunk_FreeTempMemory( buffer );
}
开发者ID:Camron，项目名称:OpenJK，代码行数:38，代码来源:tr_init.cpp


示例6: R_LevelShot

/*
 * R_LevelShot
 *
 * levelshots are specialized 128*128 thumbnails for
 * the menu system, sampled down from full screen distorted images
 */
void
R_LevelShot(void)
{
	char checkname[MAX_OSPATH];
	byte	*buffer;
	byte	*source, *allsource;
	byte	*src, *dst;
	size_t	offset = 0;
	int	padlen;
	int	x, y;
	int	r, g, b;
	float	xScale, yScale;
	int	xx, yy;

	Q_sprintf(checkname, sizeof(checkname), "levelshots/%s.tga", tr.world->baseName);

	allsource = RB_ReadPixels(0, 0, glConfig.vidWidth, glConfig.vidHeight, &offset, &padlen);
	source = allsource + offset;

	buffer = ri.hunkalloctemp(128 * 128*3 + 18);
	Q_Memset (buffer, 0, 18);
	buffer[2]	= 2;	/* uncompressed type */
	buffer[12]	= 128;
	buffer[14]	= 128;
	buffer[16]	= 24;	/* pixel size */

	/* resample from source */
	xScale	= glConfig.vidWidth / 512.0f;
	yScale	= glConfig.vidHeight / 384.0f;
	for(y = 0; y < 128; y++)
		for(x = 0; x < 128; x++){
			r = g = b = 0;
			for(yy = 0; yy < 3; yy++)
				for(xx = 0; xx < 4; xx++){
					src = source +
					      (3 * glConfig.vidWidth + padlen) * (int)((y*3 + yy) * yScale) +
					      3 * (int)((x*4 + xx) * xScale);
					r	+= src[0];
					g	+= src[1];
					b	+= src[2];
				}
			dst = buffer + 18 + 3 * (y * 128 + x);
			dst[0]	= b / 12;
			dst[1]	= g / 12;
			dst[2]	= r / 12;
		}

	/* gamma correct */
	if(glConfig.deviceSupportsGamma){
		R_GammaCorrect(buffer + 18, 128 * 128 * 3);
	}

	ri.fswritefile(checkname, buffer, 128 * 128*3 + 18);

	ri.hunkfreetemp(buffer);
	ri.hunkfreetemp(allsource);

	ri.Printf(PRINT_ALL, "Wrote %s\n", checkname);
}
开发者ID:icanhas，项目名称:yantar，代码行数:65，代码来源:init.c


示例7: R_LevelShot

/*
====================
R_LevelShot

levelshots are specialized 128*128 thumbnails for
the menu system, sampled down from full screen distorted images
====================
*/
void R_LevelShot( void ) {
	char		checkname[MAX_OSPATH];
	byte		*buffer;
	byte		*source;
	byte		*src, *dst;
	int			x, y;
	int			r, g, b;
	float		xScale, yScale;
	int			xx, yy;

	sprintf( checkname, "levelshots/%s.tga", tr.world->baseName );

	source = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight * 3 );

	buffer = ri.Hunk_AllocateTempMemory( 128 * 128*3 + 18);
	Com_Memset (buffer, 0, 18);
	buffer[2] = 2;		// uncompressed type
	buffer[12] = 128;
	buffer[14] = 128;
	buffer[16] = 24;	// pixel size

	qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, source ); 

	// resample from source
	xScale = glConfig.vidWidth / 512.0f;
	yScale = glConfig.vidHeight / 384.0f;
	for ( y = 0 ; y < 128 ; y++ ) {
		for ( x = 0 ; x < 128 ; x++ ) {
			r = g = b = 0;
			for ( yy = 0 ; yy < 3 ; yy++ ) {
				for ( xx = 0 ; xx < 4 ; xx++ ) {
					src = source + 3 * ( glConfig.vidWidth * (int)( (y*3+yy)*yScale ) + (int)( (x*4+xx)*xScale ) );
					r += src[0];
					g += src[1];
					b += src[2];
				}
			}
			dst = buffer + 18 + 3 * ( y * 128 + x );
			dst[0] = b / 12;
			dst[1] = g / 12;
			dst[2] = r / 12;
		}
	}

	// gamma correct
	if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer + 18, 128 * 128 * 3 );
	}

	ri.FS_WriteFile( checkname, buffer, 128 * 128*3 + 18 );

	ri.Hunk_FreeTempMemory( buffer );
	ri.Hunk_FreeTempMemory( source );

	ri.Printf( PRINT_ALL, "Wrote %s\n", checkname );
}
开发者ID:wtfbbqhax，项目名称:thz，代码行数:64，代码来源:tr_init.c


示例8: RB_TakeScreenshot

/*
 * RB_TakeScreenshot
 */
void
RB_TakeScreenshot(int x, int y, int width, int height, char *fileName)
{
	byte	*allbuf, *buffer;
	byte	*srcptr, *destptr;
	byte	*endline, *endmem;
	byte	temp;

	int	linelen, padlen;
	size_t offset = 18, memcount;

	allbuf	= RB_ReadPixels(x, y, width, height, &offset, &padlen);
	buffer	= allbuf + offset - 18;

	Q_Memset (buffer, 0, 18);
	buffer[2]	= 2;	/* uncompressed type */
	buffer[12]	= width & 255;
	buffer[13]	= width >> 8;
	buffer[14]	= height & 255;
	buffer[15]	= height >> 8;
	buffer[16]	= 24;	/* pixel size */

	/* swap rgb to bgr and remove padding from line endings */
	linelen = width * 3;

	srcptr	= destptr = allbuf + offset;
	endmem	= srcptr + (linelen + padlen) * height;

	while(srcptr < endmem){
		endline = srcptr + linelen;

		while(srcptr < endline){
			temp = srcptr[0];
			*destptr++	= srcptr[2];
			*destptr++	= srcptr[1];
			*destptr++	= temp;

			srcptr += 3;
		}

		/* Skip the pad */
		srcptr += padlen;
	}

	memcount = linelen * height;

	/* gamma correct */
	if(glConfig.deviceSupportsGamma)
		R_GammaCorrect(allbuf + offset, memcount);

	ri.fswritefile(fileName, buffer, memcount + 18);

	ri.hunkfreetemp(allbuf);
}
开发者ID:icanhas，项目名称:yantar，代码行数:57，代码来源:init.c


示例9: R_TakeScreenshotPNG

/*
==================
R_TakeScreenshotPNG
==================
*/
static void R_TakeScreenshotPNG( int x, int y, int width, int height, char *fileName )
{
	byte *buffer = RB_ReadPixels( x, y, width, height, 0 );

	if ( tr.overbrightBits > 0 && glConfig.deviceSupportsGamma )
	{
		R_GammaCorrect( buffer, 3 * width * height );
	}

	SavePNG( fileName, buffer, width, height, 3, qfalse );
	ri.Hunk_FreeTempMemory( buffer );
}
开发者ID:ZdrytchX，项目名称:Unvanquished-KoRx，代码行数:17，代码来源:tr_init.c


示例10: R_TakeScreenshotJPEG

/*
==================
R_TakeScreenshot
==================
*/
void R_TakeScreenshotJPEG( int x, int y, int width, int height, char *fileName ) {
	byte *buffer;
	size_t offset = 0, memcount;
	int padlen;

	buffer = RB_ReadPixels(x, y, width, height, &offset, &padlen);
	memcount = (width * 3 + padlen) * height;

	// gamma correct
	if(glConfig.deviceSupportsGamma)
		R_GammaCorrect(buffer + offset, memcount);

	RE_SaveJPG(fileName, r_screenshotJpegQuality->integer, width, height, buffer + offset, padlen);
	Hunk_FreeTempMemory(buffer);
}
开发者ID:Nuk3R4z0r，项目名称:OpenJK，代码行数:20，代码来源:tr_init.cpp


示例11: R_TakeScreenshotJPEG

void R_TakeScreenshotJPEG(int x, int y, int width, int height, char *fileName) {
	byte *buffer;
	size_t offset = 0, memcount;
	int padlen;

	buffer = RB_ReadPixels(x, y, width, height, &offset, &padlen);
	memcount = (width * 3 + padlen) * height;

	// gamma correct
	if (r_gammamethod->integer == GAMMA_HARDWARE)
		R_GammaCorrect(buffer + offset, (int)memcount);

	SaveJPG(fileName, r_screenshotJpegQuality->integer, width, height, buffer + offset, padlen);
	ri.Hunk_FreeTempMemory(buffer);
}
开发者ID:entdark，项目名称:jk2mv，代码行数:15，代码来源:tr_init.cpp


示例12: RB_TakeScreenshotPNG

/*
==================
RB_TakeScreenshotPNG
==================
*/
static void RB_TakeScreenshotPNG(int x, int y, int width, int height, char *fileName)
{
	byte *buffer;
	size_t offset = 0, memcount;
	int padlen;

	buffer = RB_ReadPixels(x, y, width, height, &offset, &padlen);
	memcount = (width * 3 + padlen) * height;

	// gamma correct
	if(glConfig.deviceSupportsGamma)
		R_GammaCorrect(buffer + offset, memcount);

	RE_SavePNG(fileName, width, height, buffer+offset, 3, padlen, qfalse);
	ri.Hunk_FreeTempMemory(buffer);
}
开发者ID:Lrns123，项目名称:jkaq3，代码行数:21，代码来源:tr_init.c


示例13: R_TakeScreenshotJPEG

/* 
================== 
R_TakeScreenshot
================== 
*/  
void R_TakeScreenshotJPEG( int x, int y, int width, int height, char *fileName ) {
	byte		*buffer;

	buffer = (unsigned char *)Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*4);

	qglReadPixels( x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer ); 

	// gamma correct
	if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer, glConfig.vidWidth * glConfig.vidHeight * 4 );
	}

	FS_WriteFile( fileName, buffer, 1 );		// create path
	SaveJPG( fileName, 95, glConfig.vidWidth, glConfig.vidHeight, buffer);

	Hunk_FreeTempMemory( buffer );
}
开发者ID:Camron，项目名称:OpenJK，代码行数:22，代码来源:tr_init.cpp


示例14: RB_TakeScreenshotJPEG

/* 
================== 
RB_TakeScreenshotJPEG
================== 
*/  
void RB_TakeScreenshotJPEG( int x, int y, int width, int height, char *fileName ) {
	byte		*buffer;

	buffer = (byte *)ri.Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*4); // ***GREGS_VC9_PORT_MOD*** -- needed typecast

	qglReadPixels( x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer ); 

	// gamma correct
	if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer, glConfig.vidWidth * glConfig.vidHeight * 4 );
	}

	ri.FS_WriteFile( fileName, buffer, 1 );		// create path
	SaveJPG( fileName, 95, glConfig.vidWidth, glConfig.vidHeight, buffer);

	ri.Hunk_FreeTempMemory( buffer );
}
开发者ID:mtrencseni，项目名称:quake3，代码行数:22，代码来源:tr_init.c


示例15: R_LevelShot

//	levelshots are specialized 128*128 thumbnails for the menu system, sampled
// down from full screen distorted images
static void R_LevelShot() {
	char checkname[ MAX_OSPATH ];
	String::Sprintf( checkname, MAX_OSPATH, "levelshots/%s.tga", tr.world->baseName );

	byte* source = new byte[ glConfig.vidWidth * glConfig.vidHeight * 3 ];

	byte* buffer = new byte[ 128 * 128 * 3 ];

	qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, source );

	// resample from source
	float xScale = glConfig.vidWidth / 512.0f;
	float yScale = glConfig.vidHeight / 384.0f;
	for ( int y = 0; y < 128; y++ ) {
		for ( int x = 0; x < 128; x++ ) {
			int r = 0;
			int g = 0;
			int b = 0;
			for ( int yy = 0; yy < 3; yy++ ) {
				for ( int xx = 0; xx < 4; xx++ ) {
					byte* src = source + 3 * ( glConfig.vidWidth * ( int )( ( y * 3 + yy ) * yScale ) + ( int )( ( x * 4 + xx ) * xScale ) );
					r += src[ 0 ];
					g += src[ 1 ];
					b += src[ 2 ];
				}
			}
			byte* dst = buffer + 3 * ( y * 128 + x );
			dst[ 0 ] = r / 12;
			dst[ 1 ] = g / 12;
			dst[ 2 ] = b / 12;
		}
	}

	// gamma correct
	if ( tr.overbrightBits > 0 && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer, 128 * 128 * 3 );
	}

	R_SaveTGA( checkname, buffer, 128, 128, false );

	delete[] buffer;
	delete[] source;

	common->Printf( "Wrote %s\n", checkname );
}
开发者ID:janisl，项目名称:jlquake，代码行数:47，代码来源:screenshot.cpp


示例16: RB_TakeScreenshotJPEG

/* 
================== 
RB_TakeScreenshotJPEG
================== 
*/  
void RB_TakeScreenshotJPEG( int x, int y, int width, int height, char *fileName ) {
	byte		*buffer;
	int quality = r_jpegQuality -> value;

	buffer = ri.Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*4);

	qglReadPixels( x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer ); 

	// gamma correct
	if ( glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer, glConfig.vidWidth * glConfig.vidHeight * 4 );
	}

	ri.FS_WriteFile( fileName, buffer, 1 );		// create path
	SaveJPG( fileName, quality, glConfig.vidWidth, glConfig.vidHeight, buffer);

	ri.Hunk_FreeTempMemory( buffer );
}
开发者ID:trusteed，项目名称:ioq3-for-UrbanTerror-5，代码行数:23，代码来源:tr_init.c


示例17: RB_TakeScreenshot

static void RB_TakeScreenshot( int x, int y, int width, int height, const char* fileName, bool IsJpeg ) {
	byte* buffer = new byte[ width * height * 3 ];

	qglReadPixels( x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer );

	// gamma correct
	if ( tr.overbrightBits > 0 && glConfig.deviceSupportsGamma ) {
		R_GammaCorrect( buffer, width * height * 3 );
	}

	if ( IsJpeg ) {
		FS_WriteFile( fileName, buffer, 1 );		// create path
		R_SaveJPG( fileName, 95, width, height, buffer );
	} else {
		R_SaveTGA( fileName, buffer, width, height, false );
	}

	delete[] buffer;
}
开发者ID:janisl，项目名称:jlquake，代码行数:19，代码来源:screenshot.cpp


示例18: glReadPixels

/*
==================
RB_TakeVideoFrameCmd
==================
*/
const void *RB_TakeVideoFrameCmd(const void *data)
{
	const videoFrameCommand_t *cmd;
	int                       frameSize;
	int                       i;

	cmd = (const videoFrameCommand_t *)data;

	// check if the recording is still going on, the buffer might have cmds eventho the recording has stopped
	if (ri.CL_VideoRecording())
	{
		glReadPixels(0, 0, cmd->width, cmd->height, GL_RGBA, GL_UNSIGNED_BYTE, cmd->captureBuffer);
		// gamma correct
		if ((tr.overbrightBits > 0) && glConfig.deviceSupportsGamma)
		{
			R_GammaCorrect(cmd->captureBuffer, cmd->width * cmd->height * 4);
		}
		if (cmd->motionJpeg)
		{
			/* This should be fixed
			frameSize = RE_SaveJPGToBuffer(cmd->encodeBuffer, 90, cmd->width, cmd->height, cmd->captureBuffer);
			ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, frameSize);
			*/
		}
		else
		{
			frameSize = cmd->width * cmd->height;
			for (i = 0; i < frameSize; i++)  // Pack to 24bpp and swap R and B
			{
				cmd->encodeBuffer[i * 3]     = cmd->captureBuffer[i * 4 + 2];
				cmd->encodeBuffer[i * 3 + 1] = cmd->captureBuffer[i * 4 + 1];
				cmd->encodeBuffer[i * 3 + 2] = cmd->captureBuffer[i * 4];
			}
			ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, frameSize * 3);
		}
	}

	return (const void *)(cmd + 1);
}
开发者ID:vishen，项目名称:etlegacy，代码行数:44，代码来源:tr_init.c


示例19: R_TakeScreenshot

/*
==================
R_TakeScreenshot
==================
*/
static void R_TakeScreenshot( int x, int y, int width, int height, char *fileName )
{
	byte *buffer;
	int  dataSize;
	byte *end, *p;

	// with 18 bytes for the TGA file header
	buffer = RB_ReadPixels( x, y, width, height, 18 );
	Com_Memset( buffer, 0, 18 );

	buffer[ 2 ] = 2; // uncompressed type
	buffer[ 12 ] = width & 255;
	buffer[ 13 ] = width >> 8;
	buffer[ 14 ] = height & 255;
	buffer[ 15 ] = height >> 8;
	buffer[ 16 ] = 24; // pixel size

	dataSize = 3 * width * height;

	// RGB to BGR
	end = buffer + 18 + dataSize;

	for ( p = buffer + 18; p < end; p += 3 )
	{
		byte temp = p[ 0 ];
		p[ 0 ] = p[ 2 ];
		p[ 2 ] = temp;
	}

	if ( tr.overbrightBits > 0 && glConfig.deviceSupportsGamma )
	{
		R_GammaCorrect( buffer + 18, dataSize );
	}

	ri.FS_WriteFile( fileName, buffer, 18 + dataSize );

	ri.Hunk_FreeTempMemory( buffer );
}
开发者ID:ZdrytchX，项目名称:Unvanquished-KoRx，代码行数:43，代码来源:tr_init.c


示例20: qglReadPixels

/*
==================
RB_TakeVideoFrameCmd
==================
*/
const void *RB_TakeVideoFrameCmd( const void *data )
{
	const videoFrameCommand_t	*cmd;
	int												frameSize;
	int												i;
	
	cmd = (const videoFrameCommand_t *)data;
	
	qglReadPixels( 0, 0, cmd->width, cmd->height, GL_RGBA,
			GL_UNSIGNED_BYTE, cmd->captureBuffer );

	// gamma correct
	if( glConfig.deviceSupportsGamma )
		R_GammaCorrect( cmd->captureBuffer, cmd->width * cmd->height * 4 );

	if( cmd->motionJpeg )
	{
		frameSize = SaveJPGToBuffer( cmd->encodeBuffer, 90,
				cmd->width, cmd->height, cmd->captureBuffer );
		ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, frameSize );
	}
	else
	{
		frameSize = cmd->width * cmd->height;

		for( i = 0; i < frameSize; i++)    // Pack to 24bpp and swap R and B
		{
			cmd->encodeBuffer[ i*3 ]     = cmd->captureBuffer[ i*4 + 2 ];
			cmd->encodeBuffer[ i*3 + 1 ] = cmd->captureBuffer[ i*4 + 1 ];
			cmd->encodeBuffer[ i*3 + 2 ] = cmd->captureBuffer[ i*4 ];
		}

		ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, frameSize * 3 );
	}

	return (const void *)(cmd + 1);	
}
开发者ID:trusteed，项目名称:ioq3-for-UrbanTerror-5，代码行数:42，代码来源:tr_init.c



注：本文中的R_GammaCorrect函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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