本文整理汇总了C++中GetVirtualPixels函数的典型用法代码示例。如果您正苦于以下问题:C++ GetVirtualPixels函数的具体用法?C++ GetVirtualPixels怎么用?C++ GetVirtualPixels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GetVirtualPixels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: WriteDEBUGImage
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e D E B U G I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteDEBUGImage writes the image pixel values with 20 places of precision.
%
% The format of the WriteDEBUGImage method is:
%
% MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
% Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteDEBUGImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
char
buffer[MagickPathExtent],
colorspace[MagickPathExtent],
tuple[MagickPathExtent];
ssize_t
y;
MagickBooleanType
status;
MagickOffsetType
scene;
PixelInfo
pixel;
register const Quantum
*p;
register ssize_t
x;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBlobMode,exception);
if (status == MagickFalse)
return(status);
scene=0;
do
{
(void) CopyMagickString(colorspace,CommandOptionToMnemonic(
MagickColorspaceOptions,(ssize_t) image->colorspace),MagickPathExtent);
LocaleLower(colorspace);
image->depth=GetImageQuantumDepth(image,MagickTrue);
if (image->alpha_trait != UndefinedPixelTrait)
(void) ConcatenateMagickString(colorspace,"a",MagickPathExtent);
(void) FormatLocaleString(buffer,MagickPathExtent,
"# ImageMagick pixel debugging: %.20g,%.20g,%.20g,%s\n",(double)
image->columns,(double) image->rows,(double) ((MagickOffsetType)
GetQuantumRange(image->depth)),colorspace);
(void) WriteBlobString(image,buffer);
GetPixelInfo(image,&pixel);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
(void) FormatLocaleString(buffer,MagickPathExtent,"%.20g,%.20g: ",(double)
x,(double) y);
(void) WriteBlobString(image,buffer);
GetPixelInfoPixel(image,p,&pixel);
(void) FormatLocaleString(tuple,MagickPathExtent,"%.20g,%.20g,%.20g ",
(double) pixel.red,(double) pixel.green,(double) pixel.blue);
if (pixel.colorspace == CMYKColorspace)
{
char
black[MagickPathExtent];
(void) FormatLocaleString(black,MagickPathExtent,",%.20g ",
(double) pixel.black);
//.........这里部分代码省略.........
开发者ID:edalquist,项目名称:ImageMagick,代码行数:101,代码来源:debug.c
示例2: WritePCLImage
//.........这里部分代码省略.........
(void) FormatLocaleString(buffer,MagickPathExtent,"\033*b2M");
(void) WriteBlobString(image,buffer);
break;
}
default:
{
compress_pixels=(unsigned char *) AcquireQuantumMemory(3*length+256,
sizeof(*compress_pixels));
if (compress_pixels == (unsigned char *) NULL)
{
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) ResetMagickMemory(compress_pixels,0,(3*length+256)*
sizeof(*compress_pixels));
previous_pixels=(unsigned char *) AcquireQuantumMemory(length+1,
sizeof(*previous_pixels));
if (previous_pixels == (unsigned char *) NULL)
{
compress_pixels=(unsigned char *) RelinquishMagickMemory(
compress_pixels);
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
(void) ResetMagickMemory(previous_pixels,0,(length+1)*
sizeof(*previous_pixels));
(void) FormatLocaleString(buffer,MagickPathExtent,"\033*b3M");
(void) WriteBlobString(image,buffer);
break;
}
}
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
q=pixels;
switch (bits_per_pixel)
{
case 1:
{
register unsigned char
bit,
byte;
/*
Monochrome image.
*/
bit=0;
byte=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
byte<<=1;
if (GetPixelLuma(image,p) < (QuantumRange/2.0))
byte|=0x01;
bit++;
if (bit == 8)
{
*q++=byte;
bit=0;
byte=0;
}
p+=GetPixelChannels(image);
}
if (bit != 0)
*q++=byte << (8-bit);
开发者ID:278443820,项目名称:ImageMagick,代码行数:67,代码来源:pcl.c
示例3: ReadGRAYImage
//.........这里部分代码省略.........
/*
Read pixels to virtual canvas image then push to image.
*/
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
status=SetImageExtent(image,image->columns,image->rows,exception);
if (status == MagickFalse)
return(DestroyImageList(image));
SetImageColorspace(image,GRAYColorspace,exception);
if (scene == 0)
{
length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
pixels=(const unsigned char *) ReadBlobStream(image,length,
GetQuantumPixels(quantum_info),&count);
}
for (y=0; y < (ssize_t) image->extract_info.height; y++)
{
register const Quantum
*magick_restrict p;
register ssize_t
x;
register Quantum
*magick_restrict q;
if (count != (ssize_t) length)
{
ThrowFileException(exception,CorruptImageError,
"UnexpectedEndOfFile",image->filename);
break;
}
q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,quantum_info,
quantum_type,pixels,exception);
if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
break;
if (((y-image->extract_info.y) >= 0) &&
((y-image->extract_info.y) < (ssize_t) image->rows))
{
p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
image->columns,1,exception);
q=QueueAuthenticPixels(image,0,y-image->extract_info.y,image->columns,
1,exception);
if ((p == (const Quantum *) NULL) ||
(q == (Quantum *) NULL))
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelGray(image,GetPixelGray(canvas_image,p),q);
p+=GetPixelChannels(canvas_image);
q+=GetPixelChannels(image);
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
}
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
pixels=(const unsigned char *) ReadBlobStream(image,length,
GetQuantumPixels(quantum_info),&count);
}
SetQuantumImageType(image,quantum_type);
/*
Proceed to next image.
*/
if (image_info->number_scenes != 0)
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
if (count == (ssize_t) length)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image,exception);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
scene++;
} while (count == (ssize_t) length);
quantum_info=DestroyQuantumInfo(quantum_info);
canvas_image=DestroyImage(canvas_image);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
开发者ID:278443820,项目名称:ImageMagick,代码行数:101,代码来源:gray.c
示例4: ImageToHBITMAP
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I m a g e T o H B i t m a p %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ImageToHBITMAP() creates a Windows HBITMAP from an image.
%
% The format of the ImageToHBITMAP method is:
%
% HBITMAP ImageToHBITMAP(Image *image,Exceptioninfo *exception)
%
% A description of each parameter follows:
%
% o image: the image to convert.
%
*/
MagickExport void *ImageToHBITMAP(Image *image,ExceptionInfo *exception)
{
BITMAP
bitmap;
HANDLE
bitmap_bitsH;
HBITMAP
bitmapH;
register ssize_t
x;
register const Quantum
*p;
register RGBQUAD
*q;
RGBQUAD
*bitmap_bits;
size_t
length;
ssize_t
y;
(void) ResetMagickMemory(&bitmap,0,sizeof(bitmap));
bitmap.bmType=0;
bitmap.bmWidth=(LONG) image->columns;
bitmap.bmHeight=(LONG) image->rows;
bitmap.bmWidthBytes=4*bitmap.bmWidth;
bitmap.bmPlanes=1;
bitmap.bmBitsPixel=32;
bitmap.bmBits=NULL;
length=bitmap.bmWidthBytes*bitmap.bmHeight;
bitmap_bitsH=(HANDLE) GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,length);
if (bitmap_bitsH == NULL)
{
char
*message;
message=GetExceptionMessage(errno);
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",message);
message=DestroyString(message);
return(NULL);
}
bitmap_bits=(RGBQUAD *) GlobalLock((HGLOBAL) bitmap_bitsH);
q=bitmap_bits;
if (bitmap.bmBits == NULL)
bitmap.bmBits=bitmap_bits;
(void) SetImageColorspace(image,sRGBColorspace,exception);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
q->rgbRed=ScaleQuantumToChar(GetPixelRed(image,p));
q->rgbGreen=ScaleQuantumToChar(GetPixelGreen(image,p));
q->rgbBlue=ScaleQuantumToChar(GetPixelBlue(image,p));
q->rgbReserved=0;
p+=GetPixelChannels(image);
q++;
}
}
bitmap.bmBits=bitmap_bits;
bitmapH=CreateBitmapIndirect(&bitmap);
if (bitmapH == NULL)
{
char
*message;
message=GetExceptionMessage(errno);
//.........这里部分代码省略.........
开发者ID:vcgato29,项目名称:ImageMagick,代码行数:101,代码来源:nt-feature.c
示例5: WritePICONImage
//.........这里部分代码省略.........
break;
indexes=GetAuthenticIndexQueue(picon);
for (x=0; x < (ssize_t) picon->columns; x++)
{
if (q->opacity == (Quantum) TransparentOpacity)
SetPixelIndex(indexes+x,picon->colors);
q++;
}
if (SyncAuthenticPixels(picon,exception) == MagickFalse)
break;
}
}
/*
Compute the character per pixel.
*/
characters_per_pixel=1;
for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels)
characters_per_pixel++;
/*
XPM header.
*/
(void) WriteBlobString(image,"/* XPM */\n");
GetPathComponent(picon->filename,BasePath,basename);
(void) FormatLocaleString(buffer,MaxTextExtent,
"static char *%s[] = {\n",basename);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"/* columns rows colors chars-per-pixel */\n");
(void) FormatLocaleString(buffer,MaxTextExtent,
"\"%.20g %.20g %.20g %.20g\",\n",(double) picon->columns,(double)
picon->rows,(double) colors,(double) characters_per_pixel);
(void) WriteBlobString(image,buffer);
GetMagickPixelPacket(image,&pixel);
for (i=0; i < (ssize_t) colors; i++)
{
/*
Define XPM color.
*/
SetMagickPixelPacket(image,picon->colormap+i,(IndexPacket *) NULL,&pixel);
pixel.colorspace=sRGBColorspace;
pixel.depth=8;
pixel.opacity=(MagickRealType) OpaqueOpacity;
(void) QueryMagickColorname(image,&pixel,XPMCompliance,name,
&image->exception);
if (transparent != MagickFalse)
{
if (i == (ssize_t) (colors-1))
(void) CopyMagickString(name,"grey75",MaxTextExtent);
}
/*
Write XPM color.
*/
k=i % MaxCixels;
symbol[0]=Cixel[k];
for (j=1; j < (ssize_t) characters_per_pixel; j++)
{
k=((i-k)/MaxCixels) % MaxCixels;
symbol[j]=Cixel[k];
}
symbol[j]='\0';
(void) FormatLocaleString(buffer,MaxTextExtent,"\"%s c %s\",\n",
symbol,name);
(void) WriteBlobString(image,buffer);
}
/*
Define XPM pixels.
*/
(void) WriteBlobString(image,"/* pixels */\n");
for (y=0; y < (ssize_t) picon->rows; y++)
{
p=GetVirtualPixels(picon,0,y,picon->columns,1,&picon->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(picon);
(void) WriteBlobString(image,"\"");
for (x=0; x < (ssize_t) picon->columns; x++)
{
k=((ssize_t) GetPixelIndex(indexes+x) % MaxCixels);
symbol[0]=Cixel[k];
for (j=1; j < (ssize_t) characters_per_pixel; j++)
{
k=(((int) GetPixelIndex(indexes+x)-k)/MaxCixels) % MaxCixels;
symbol[j]=Cixel[k];
}
symbol[j]='\0';
(void) CopyMagickString(buffer,symbol,MaxTextExtent);
(void) WriteBlobString(image,buffer);
}
(void) FormatLocaleString(buffer,MaxTextExtent,"\"%s\n",
y == (ssize_t) (picon->rows-1) ? "" : ",");
(void) WriteBlobString(image,buffer);
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
picon->rows);
if (status == MagickFalse)
break;
}
picon=DestroyImage(picon);
(void) WriteBlobString(image,"};\n");
(void) CloseBlob(image);
return(MagickTrue);
}
开发者ID:mhorowitzgelb,项目名称:AprilTags,代码行数:101,代码来源:xpm.c
示例6: WriteJBIGImage
static MagickBooleanType WriteJBIGImage(const ImageInfo *image_info,
Image *image)
{
double
version;
long
y;
MagickBooleanType
status;
MagickOffsetType
scene;
register const IndexPacket
*indexes;
register const PixelPacket
*p;
register long
x;
register unsigned char
*q;
struct jbg_enc_state
jbig_info;
unsigned char
bit,
byte,
*pixels;
unsigned long
number_packets;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
version=strtod(JBG_VERSION,(char **) NULL);
scene=0;
do
{
/*
Allocate pixel data.
*/
if (image->colorspace != RGBColorspace)
(void) TransformImageColorspace(image,RGBColorspace);
number_packets=(image->columns+7)/8;
pixels=(unsigned char *) AcquireQuantumMemory(number_packets,
image->rows*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
/*
Convert pixels to a bitmap.
*/
(void) SetImageType(image,BilevelType);
q=pixels;
for (y=0; y < (long) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
bit=0;
byte=0;
for (x=0; x < (long) image->columns; x++)
{
byte<<=1;
if (PixelIntensity(p) < (QuantumRange/2.0))
byte|=0x01;
bit++;
if (bit == 8)
{
*q++=byte;
bit=0;
byte=0;
}
p++;
}
if (bit != 0)
*q++=byte << (8-bit);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
}
//.........这里部分代码省略.........
开发者ID:0xPr0xy,项目名称:ImageMagick,代码行数:101,代码来源:jbig.c
示例7: WriteJP2Image
//.........这里部分代码省略.........
jas_image_setcmpttype(jp2_image,2,
JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B));
if (number_components == 4)
jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
}
/*
Convert to JPEG 2000 pixels.
*/
for (i=0; i < (long) number_components; i++)
{
pixels[i]=jas_matrix_create(1,(int) image->columns);
if (pixels[i] == (jas_matrix_t *) NULL)
{
for (x=0; x < i; x++)
jas_matrix_destroy(pixels[x]);
jas_image_destroy(jp2_image);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
}
range=GetQuantumRange((unsigned long) component_info[0].prec);
map=(unsigned short *) AcquireQuantumMemory(MaxMap+1,sizeof(*map));
for (i=0; i <= (long) MaxMap; i++)
map[i]=(unsigned short) ScaleQuantumToMap((Quantum)
ScaleQuantumToAny((Quantum) i,range));
if (map == (unsigned short *) NULL)
{
for (i=0; i < (long) number_components; i++)
jas_matrix_destroy(pixels[i]);
jas_image_destroy(jp2_image);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
for (y=0; y < (long) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
if (number_components == 1)
jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap(
PixelIntensityToQuantum(p))]);
else
{
jas_matrix_setv(pixels[0],x,map[ScaleQuantumToMap(p->red)]);
jas_matrix_setv(pixels[1],x,map[ScaleQuantumToMap(p->green)]);
jas_matrix_setv(pixels[2],x,map[ScaleQuantumToMap(p->blue)]);
if (number_components > 3)
jas_matrix_setv(pixels[3],x,map[ScaleQuantumToMap((Quantum)
(QuantumRange-p->opacity))]);
}
p++;
}
for (i=0; i < (long) number_components; i++)
(void) jas_image_writecmpt(jp2_image,(short) i,0,(unsigned int) y,
(unsigned int) image->columns,1,pixels[i]);
status=SetImageProgress(image,SaveImageTag,y,image->rows);
if (status == MagickFalse)
break;
}
map=(unsigned short *) RelinquishMagickMemory(map);
(void) CopyMagickString(magick,image_info->magick,MaxTextExtent);
LocaleLower(magick);
format=jas_image_strtofmt(magick);
options=(char *) NULL;
ResetImageOptionIterator(image_info);
key=GetNextImageOption(image_info);
开发者ID:0xPr0xy,项目名称:ImageMagick,代码行数:67,代码来源:jp2.c
示例8: WriteJP2Image
//.........这里部分代码省略.........
{
/*
Unknow.
*/
jas_image_setclrspc(jp2_image,JAS_CLRSPC_UNKNOWN);
jas_image_setcmpttype(jp2_image,0,(jas_image_cmpttype_t)
JAS_IMAGE_CT_COLOR(0));
jas_image_setcmpttype(jp2_image,1,(jas_image_cmpttype_t)
JAS_IMAGE_CT_COLOR(1));
jas_image_setcmpttype(jp2_image,2,(jas_image_cmpttype_t)
JAS_IMAGE_CT_COLOR(2));
if (number_components == 4)
jas_image_setcmpttype(jp2_image,3,JAS_IMAGE_CT_OPACITY);
break;
}
}
/*
Convert to JPEG 2000 pixels.
*/
for (i=0; i < (ssize_t) number_components; i++)
{
pixels[i]=jas_matrix_create(1,(int) image->columns);
if (pixels[i] == (jas_matrix_t *) NULL)
{
for (x=0; x < i; x++)
jas_matrix_destroy(pixels[x]);
jas_image_destroy(jp2_image);
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
}
}
range=GetQuantumRange((size_t) component_info[0].prec);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (number_components == 1)
jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny(
ClampToQuantum(GetPixelLuma(image,p)),range));
else
{
jas_matrix_setv(pixels[0],x,(jas_seqent_t) ScaleQuantumToAny(
GetPixelRed(image,p),range));
jas_matrix_setv(pixels[1],x,(jas_seqent_t) ScaleQuantumToAny(
GetPixelGreen(image,p),range));
jas_matrix_setv(pixels[2],x,(jas_seqent_t) ScaleQuantumToAny(
GetPixelBlue(image,p),range));
if (number_components > 3)
jas_matrix_setv(pixels[3],x,(jas_seqent_t) ScaleQuantumToAny(
GetPixelAlpha(image,p),range));
}
p+=GetPixelChannels(image);
}
for (i=0; i < (ssize_t) number_components; i++)
(void) jas_image_writecmpt(jp2_image,(short) i,0,(unsigned int) y,
(unsigned int) image->columns,1,pixels[i]);
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
(void) CopyMagickString(magick,image_info->magick,MaxTextExtent);
if (LocaleCompare(magick,"J2C") == 0)
(void) CopyMagickString(magick,"JPC",MaxTextExtent);
开发者ID:epu,项目名称:ImageMagick,代码行数:67,代码来源:jp2.c
示例9: WriteIPLImage
//.........这里部分代码省略.........
/* Ok! Calculations are done. Lets write this puppy down! */
/*
Write IPL header.
*/
/* Shockingly (maybe not if you have used IPLab), IPLab itself CANNOT read MSBEndian
files! The reader above can, but they cannot. For compatability reasons, I will leave
the code in here, but it is all but useless if you want to use IPLab. */
if(image_info->endian == MSBEndian)
(void) WriteBlob(image, 4, (const unsigned char *) "mmmm");
else{
image->endian = LSBEndian;
(void) WriteBlob(image, 4, (const unsigned char *) "iiii");
}
(void) WriteBlobLong(image, 4);
(void) WriteBlob(image, 4, (const unsigned char *) "100f");
(void) WriteBlob(image, 4, (const unsigned char *) "data");
(void) WriteBlobLong(image, ipl_info.size);
(void) WriteBlobLong(image, ipl_info.width);
(void) WriteBlobLong(image, ipl_info.height);
(void) WriteBlobLong(image, ipl_info.colors);
if(image_info->adjoin == MagickFalse)
(void) WriteBlobLong(image, 1);
else
(void) WriteBlobLong(image, ipl_info.z);
(void) WriteBlobLong(image, ipl_info.time);
(void) WriteBlobLong(image, ipl_info.byteType);
do
{
/*
Convert MIFF to IPL raster pixels.
*/
pixels=(unsigned char *) GetQuantumPixels(quantum_info);
if(ipl_info.colors == 1){
/* Red frame */
for(y = 0; y < (ssize_t) ipl_info.height; y++){
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
(void) ExportQuantumPixels(image,(CacheView *) NULL, quantum_info,
GrayQuantum, pixels,exception);
(void) WriteBlob(image, image->columns*image->depth/8, pixels);
}
}
if(ipl_info.colors == 3){
/* Red frame */
for(y = 0; y < (ssize_t) ipl_info.height; y++){
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
(void) ExportQuantumPixels(image,(CacheView *) NULL, quantum_info,
RedQuantum, pixels,exception);
(void) WriteBlob(image, image->columns*image->depth/8, pixels);
}
/* Green frame */
for(y = 0; y < (ssize_t) ipl_info.height; y++){
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
(void) ExportQuantumPixels(image,(CacheView *) NULL, quantum_info,
GreenQuantum, pixels,exception);
(void) WriteBlob(image, image->columns*image->depth/8, pixels);
}
/* Blue frame */
for(y = 0; y < (ssize_t) ipl_info.height; y++){
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
(void) ExportQuantumPixels(image,(CacheView *) NULL, quantum_info,
BlueQuantum, pixels,exception);
(void) WriteBlob(image, image->columns*image->depth/8, pixels);
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
}
quantum_info=DestroyQuantumInfo(quantum_info);
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
}while (image_info->adjoin != MagickFalse);
(void) WriteBlob(image, 4, (const unsigned char *) "fini");
(void) WriteBlobLong(image, 0);
CloseBlob(image);
return(MagickTrue);
}
开发者ID:278443820,项目名称:ImageMagick,代码行数:101,代码来源:ipl.c
示例10: IdentifyImage
//.........这里部分代码省略.........
if (image->total_colors != 0)
{
(void) FormatMagickSize(image->total_colors,MagickFalse,format);
(void) fprintf(file,"%s ",format);
}
}
else
if (image->total_colors <= image->colors)
(void) fprintf(file,"PseudoClass %.20gc ",(double) image->colors);
else
(void) fprintf(file,"PseudoClass %.20g=>%.20gc ",(double)
image->total_colors,(double) image->colors);
if (image->error.mean_error_per_pixel != 0.0)
(void) fprintf(file,"%.20g/%f/%fdb ",(double)
(image->error.mean_error_per_pixel+0.5),
image->error.normalized_mean_error,
image->error.normalized_maximum_error);
if (GetBlobSize(image) != 0)
{
(void) FormatMagickSize(GetBlobSize(image),MagickFalse,format);
(void) fprintf(file,"%sB ",format);
}
(void) fprintf(file,"%0.3fu %lu:%02lu.%03lu",user_time,(unsigned long)
(elapsed_time/60.0),(unsigned long) floor(fmod(elapsed_time,60.0)),
(unsigned long) (1000.0*(elapsed_time-floor(elapsed_time))));
(void) fprintf(file,"\n");
(void) fflush(file);
return(ferror(file) != 0 ? MagickFalse : MagickTrue);
}
/*
Display verbose info about the image.
*/
exception=AcquireExceptionInfo();
pixels=GetVirtualPixels(image,0,0,1,1,exception);
exception=DestroyExceptionInfo(exception);
ping=pixels == (const PixelPacket *) NULL ? MagickTrue : MagickFalse;
type=GetImageType(image,&image->exception);
(void) SignatureImage(image);
(void) fprintf(file,"Image: %s\n",image->filename);
if (*image->magick_filename != '\0')
if (LocaleCompare(image->magick_filename,image->filename) != 0)
{
char
filename[MaxTextExtent];
GetPathComponent(image->magick_filename,TailPath,filename);
(void) fprintf(file," Base filename: %s\n",filename);
}
magick_info=GetMagickInfo(image->magick,&image->exception);
if ((magick_info == (const MagickInfo *) NULL) ||
(*GetMagickDescription(magick_info) == '\0'))
(void) fprintf(file," Format: %s\n",image->magick);
else
(void) fprintf(file," Format: %s (%s)\n",image->magick,
GetMagickDescription(magick_info));
(void) fprintf(file," Class: %s\n",MagickOptionToMnemonic(MagickClassOptions,
(ssize_t) image->storage_class));
(void) fprintf(file," Geometry: %.20gx%.20g%+.20g%+.20g\n",(double)
image->columns,(double) image->rows,(double) image->tile_offset.x,(double)
image->tile_offset.y);
if ((image->magick_columns != 0) || (image->magick_rows != 0))
if ((image->magick_columns != image->columns) ||
(image->magick_rows != image->rows))
(void) fprintf(file," Base geometry: %.20gx%.20g\n",(double)
image->magick_columns,(double) image->magick_rows);
if ((image->x_resolution != 0.0) && (image->y_resolution != 0.0))
开发者ID:JasonGross,项目名称:characters,代码行数:67,代码来源:identify.c
示例11: WriteTXTImage
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e T X T I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteTXTImage writes the pixel values as text numbers.
%
% The format of the WriteTXTImage method is:
%
% MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image)
{
char
buffer[MaxTextExtent],
colorspace[MaxTextExtent],
tuple[MaxTextExtent];
MagickBooleanType
status;
MagickOffsetType
scene;
MagickPixelPacket
pixel;
register const IndexPacket
*indexes;
register const PixelPacket
*p;
register ssize_t
x;
ssize_t
y;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
scene=0;
do
{
ComplianceType
compliance;
const char
*value;
(void) CopyMagickString(colorspace,CommandOptionToMnemonic(
MagickColorspaceOptions,(ssize_t) image->colorspace),MaxTextExtent);
LocaleLower(colorspace);
image->depth=GetImageQuantumDepth(image,MagickTrue);
if (image->matte != MagickFalse)
(void) ConcatenateMagickString(colorspace,"a",MaxTextExtent);
compliance=NoCompliance;
value=GetImageOption(image_info,"txt:compliance");
if (value != (char *) NULL)
compliance=(ComplianceType) ParseCommandOption(MagickComplianceOptions,
MagickFalse,value);
if (LocaleCompare(image_info->magick,"SPARSE-COLOR") != 0)
{
(void) FormatLocaleString(buffer,MaxTextExtent,
"# ImageMagick pixel enumeration: %.20g,%.20g,%.20g,%s\n",(double)
image->columns,(double) image->rows,(double) ((MagickOffsetType)
GetQuantumRange(image->depth)),colorspace);
(void) WriteBlobString(image,buffer);
}
GetMagickPixelPacket(image,&pixel);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetVirtualIndexQueue(image);
for (x=0; x < (ssize_t) image->columns; x++)
//.........这里部分代码省略.........
开发者ID:mhorowitzgelb,项目名称:AprilTags,代码行数:101,代码来源:txt.c
示例12: WriteSGIImage
//.........这里部分代码省略.........
(void) WriteBlobByte(image,iris_info.storage);
(void) WriteBlobByte(image,iris_info.bytes_per_pixel);
(void) WriteBlobMSBShort(image,iris_info.dimension);
(void) WriteBlobMSBShort(image,iris_info.columns);
(void) WriteBlobMSBShort(image,iris_info.rows);
(void) WriteBlobMSBShort(image,iris_info.depth);
(void) WriteBlobMSBLong(image,(unsigned int) iris_info.minimum_value);
(void) WriteBlobMSBLong(image,(unsigned int) iris_info.maximum_value);
(void) WriteBlobMSBLong(image,(unsigned int) iris_info.sans);
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
(void) CopyMagickString(iris_info.name,value,sizeof(iris_info.name));
(void) WriteBlob(image,sizeof(iris_info.name),(unsigned char *)
iris_info.name);
(void) WriteBlobMSBLong(image,(unsigned int) iris_info.pixel_format);
(void) WriteBlob(image,sizeof(iris_info.filler),iris_info.filler);
/*
Allocate SGI pixels.
*/
number_pixels=(MagickSizeType) image->columns*image->rows;
if ((4*iris_info.bytes_per_pixel*number_pixels) !=
((MagickSizeType) (size_t) (4*iris_info.bytes_per_pixel*number_pixels)))
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixel_info=AcquireVirtualMemory((size_t) number_pixels,4*
iris_info.bytes_per_pixel*sizeof(*pixels));
if (pixel_info == (MemoryInfo *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
/*
Convert image pixels to uncompressed SGI pixels.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (const PixelPacket *) NULL)
break;
if (image->depth <= 8)
for (x=0; x < (ssize_t) image->columns; x++)
{
register unsigned char
*q;
q=(unsigned char *) pixels;
q+=((iris_info.rows-1)-y)*(4*iris_info.columns)+4*x;
*q++=ScaleQuantumToChar(GetPixelRed(p));
*q++=ScaleQuantumToChar(GetPixelGreen(p));
*q++=ScaleQuantumToChar(GetPixelBlue(p));
*q++=ScaleQuantumToChar(GetPixelAlpha(p));
p++;
}
else
for (x=0; x < (ssize_t) image->columns; x++)
{
register unsigned short
*q;
q=(unsigned short *) pixels;
q+=((iris_info.rows-1)-y)*(4*iris_info.columns)+4*x;
*q++=ScaleQuantumToShort(GetPixelRed(p));
*q++=ScaleQuantumToShort(GetPixelGreen(p));
*q++=ScaleQuantumToShort(GetPixelBlue(p));
*q++=ScaleQuantumToShort(GetPixelAlpha(p));
p++;
}
if (image->previous == (Image *) NULL)
{
开发者ID:UIKit0,项目名称:YoyaMagick,代码行数:67,代码来源:sgi.c
示例13: WriteWBMPImage
static MagickBooleanType WriteWBMPImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
MagickBooleanType
status;
register const Quantum
*p;
register ssize_t
x;
ssize_t
y;
unsigned char
bit,
byte;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace,exception);
/*
Convert image to a bi-level image.
*/
(void) SetImageType(image,BilevelType,exception);
(void) WriteBlobMSBShort(image,0);
WBMPWriteInteger(image,image->columns);
WBMPWriteInteger(image,image->rows);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
bit=0;
byte=0;
for (x=0; x < (ssize_t) image->columns; x++)
{
if (GetPixelLuma(image,p) >= (QuantumRange/2.0))
byte|=0x1 << (7-bit);
bit++;
if (bit == 8)
{
(void) WriteBlobByte(image,byte);
bit=0;
byte=0;
}
p+=GetPixelChannels(image);
}
if (bit != 0)
(void) WriteBlobByte(image,byte);
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
(void) CloseBlob(image);
return(MagickTrue);
}
开发者ID:Distrotech,项目名称:ImageMagick,代码行数:72,代码来源:wbmp.c
示例14: WriteAVSImage
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e A V S I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteAVSImage() writes an image to a file in AVS X image format.
%
% The format of the WriteAVSImage method is:
%
% MagickBooleanType WriteAVSImage(const ImageInfo *image_info,Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteAVSImage(const ImageInfo *image_info,Image *image)
{
MagickBooleanType
status;
MagickOffsetType
scene;
register const PixelPacket
*restrict p;
register ssize_t
x;
register unsigned char
*restrict q;
ssize_t
count,
y;
unsigned char
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
scene=0;
do
{
/*
Write AVS header.
*/
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,sRGBColorspace);
(void) WriteBlobMSBLong(image,(unsigned int) image->columns);
(void) WriteBlobMSBLong(image,(unsigned int) image->rows);
/*
Allocate memory for pixels.
*/
pixels=(unsigned char *) AcquireQuantumMemory((size_t) image->columns,
4*sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
/*
Convert MIFF to AVS raster pixels.
*/
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
if (p == (PixelPacket *) NULL)
break;
q=pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
*q++=ScaleQuantumToChar((Quantum) (QuantumRange-(image->matte !=
MagickFalse ? GetPixelOpacity(p) : OpaqueOpacity)));
*q++=ScaleQuantumToChar(GetPixelRed(p));
*q++=ScaleQuantumToChar(GetPixelGreen(p));
*q++=ScaleQuantumToChar(GetPixelBlue(p));
p++;
}
count=WriteBlob(image,(size_t) (q-pixels),pixels);
if (count != (ssize_t) (q-pixels))
break;
if (image->previous == (Image *) NULL)
{
//.........这里部分代码省略.........
开发者ID:0xPr0xy,项目名称:ImageMagick,代码行数:101,代码来源:avs.c
示例15: WriteHDRImage
static MagickBooleanType WriteHDRImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
char
header[MaxTextExtent];
const char
*property;
MagickBooleanType
status;
register const Quantum
*p;
register ssize_t
i,
x;
size_t
length;
ssize_t
count,
y;
unsigned char
pixel[4],
*pixels;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
if (status == MagickFalse)
return(status);
if (IsRGBColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,RGBColorspace,exception);
/*
Write header.
*/
(void) ResetMagickMemory(header,' ',MaxTextExtent);
length=CopyMagickString(header,"#?RGBE\n",MaxTextExtent);
(void) WriteBlob(image,length,(unsigned char *) header);
property=GetImageProperty(image,"comment",exception);
if ((property != (const char *) NULL) &&
(strchr(property,'\n') == (char *) NULL))
{
count=FormatLocaleString(header,MaxTextExtent,"#%s\n",property);
(void) WriteBlob(image,(size_t
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