| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % CCCC L IIIII PPPP BBBB OOO AAA RRRR DDDD % |
| % C L I P P B B O O A A R R D D % |
| % C L I PPP BBBB O O AAAAA RRRR D D % |
| % C L I P B B O O A A R R D D % |
| % CCCC LLLLL IIIII P BBBB OOO A A R R DDDD % |
| % % |
| % % |
| % Read/Write Windows Clipboard. % |
| % % |
| % Software Design % |
| % Leonard Rosenthol % |
| % May 2002 % |
| % % |
| % % |
| % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % http://www.imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #if defined(MAGICKCORE_WINGDI32_DELEGATE) |
| # if defined(__CYGWIN__) |
| # include <windows.h> |
| # else |
| /* All MinGW needs ... */ |
| # include "MagickCore/nt-base-private.h" |
| # include <wingdi.h> |
| # endif |
| #endif |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/nt-feature.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/module.h" |
| |
| /* |
| Forward declarations. |
| */ |
| #if defined(MAGICKCORE_WINGDI32_DELEGATE) |
| static MagickBooleanType |
| WriteCLIPBOARDImage(const ImageInfo *,Image *,ExceptionInfo *); |
| #endif |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d C L I P B O A R D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadCLIPBOARDImage() reads an image from the system clipboard and returns |
| % it. It allocates the memory necessary for the new Image structure and |
| % returns a pointer to the new image. |
| % |
| % The format of the ReadCLIPBOARDImage method is: |
| % |
| % Image *ReadCLIPBOARDImage(const ImageInfo *image_info, |
| % ExceptionInfo exception) |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: the image info. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| #if defined(MAGICKCORE_WINGDI32_DELEGATE) |
| static Image *ReadCLIPBOARDImage(const ImageInfo *image_info, |
| ExceptionInfo *exception) |
| { |
| Image |
| *image; |
| |
| MagickBooleanType |
| status; |
| |
| register ssize_t |
| x; |
| |
| register Quantum |
| *q; |
| |
| ssize_t |
| y; |
| |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickCoreSignature); |
| if (image_info->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| image_info->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickCoreSignature); |
| image=AcquireImage(image_info,exception); |
| { |
| HBITMAP |
| bitmapH; |
| |
| HPALETTE |
| hPal; |
| |
| OpenClipboard(NULL); |
| bitmapH=(HBITMAP) GetClipboardData(CF_BITMAP); |
| hPal=(HPALETTE) GetClipboardData(CF_PALETTE); |
| CloseClipboard(); |
| if ( bitmapH == NULL ) |
| ThrowReaderException(CoderError,"NoBitmapOnClipboard"); |
| { |
| BITMAPINFO |
| DIBinfo; |
| |
| BITMAP |
| bitmap; |
| |
| HBITMAP |
| hBitmap, |
| hOldBitmap; |
| |
| HDC |
| hDC, |
| hMemDC; |
| |
| RGBQUAD |
| *pBits, |
| *ppBits; |
| |
| /* create an offscreen DC for the source */ |
| hMemDC=CreateCompatibleDC(NULL); |
| hOldBitmap=(HBITMAP) SelectObject(hMemDC,bitmapH); |
| GetObject(bitmapH,sizeof(BITMAP),(LPSTR) &bitmap); |
| if ((image->columns == 0) || (image->rows == 0)) |
| { |
| image->columns=bitmap.bmWidth; |
| image->rows=bitmap.bmHeight; |
| } |
| status=SetImageExtent(image,image->columns,image->rows,exception); |
| if (status == MagickFalse) |
| return(DestroyImageList(image)); |
| /* |
| Initialize the bitmap header info. |
| */ |
| (void) ResetMagickMemory(&DIBinfo,0,sizeof(BITMAPINFO)); |
| DIBinfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); |
| DIBinfo.bmiHeader.biWidth=(LONG) image->columns; |
| DIBinfo.bmiHeader.biHeight=(-1)*(LONG) image->rows; |
| DIBinfo.bmiHeader.biPlanes=1; |
| DIBinfo.bmiHeader.biBitCount=32; |
| DIBinfo.bmiHeader.biCompression=BI_RGB; |
| hDC=GetDC(NULL); |
| if (hDC == 0) |
| ThrowReaderException(CoderError,"UnableToCreateADC"); |
| hBitmap=CreateDIBSection(hDC,&DIBinfo,DIB_RGB_COLORS,(void **) &ppBits, |
| NULL,0); |
| ReleaseDC(NULL,hDC); |
| if (hBitmap == 0) |
| ThrowReaderException(CoderError,"UnableToCreateBitmap"); |
| /* create an offscreen DC */ |
| hDC=CreateCompatibleDC(NULL); |
| if (hDC == 0) |
| { |
| DeleteObject(hBitmap); |
| ThrowReaderException(CoderError,"UnableToCreateADC"); |
| } |
| hOldBitmap=(HBITMAP) SelectObject(hDC,hBitmap); |
| if (hOldBitmap == 0) |
| { |
| DeleteDC(hDC); |
| DeleteObject(hBitmap); |
| ThrowReaderException(CoderError,"UnableToCreateBitmap"); |
| } |
| if (hPal != NULL) |
| { |
| /* Kenichi Masuko says this needed */ |
| SelectPalette(hDC, hPal, FALSE); |
| RealizePalette(hDC); |
| } |
| /* bitblt from the memory to the DIB-based one */ |
| BitBlt(hDC,0,0,(int) image->columns,(int) image->rows,hMemDC,0,0,SRCCOPY); |
| /* finally copy the pixels! */ |
| pBits=ppBits; |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| if (q == (Quantum *) NULL) |
| break; |
| for (x=0; x < (ssize_t) image->columns; x++) |
| { |
| SetPixelRed(image,ScaleCharToQuantum(pBits->rgbRed),q); |
| SetPixelGreen(image,ScaleCharToQuantum(pBits->rgbGreen),q); |
| SetPixelBlue(image,ScaleCharToQuantum(pBits->rgbBlue),q); |
| SetPixelAlpha(image,OpaqueAlpha,q); |
| pBits++; |
| q+=GetPixelChannels(image); |
| } |
| if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| break; |
| } |
| DeleteDC(hDC); |
| DeleteObject(hBitmap); |
| } |
| } |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| #endif /* MAGICKCORE_WINGDI32_DELEGATE */ |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r C L I P B O A R D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterCLIPBOARDImage() adds attributes for the clipboard "image format" to |
| % the list of supported formats. The attributes include the image format |
| % tag, a method to read and/or write the format, whether the format |
| % supports the saving of more than one frame to the same file or blob, |
| % whether the format supports native in-memory I/O, and a brief |
| % description of the format. |
| % |
| % The format of the RegisterCLIPBOARDImage method is: |
| % |
| % size_t RegisterCLIPBOARDImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterCLIPBOARDImage(void) |
| { |
| MagickInfo |
| *entry; |
| |
| entry=AcquireMagickInfo("CLIPBOARD","CLIPBOARD","The system clipboard"); |
| #if defined(MAGICKCORE_WINGDI32_DELEGATE) |
| entry->decoder=(DecodeImageHandler *) ReadCLIPBOARDImage; |
| entry->encoder=(EncodeImageHandler *) WriteCLIPBOARDImage; |
| #endif |
| entry->flags^=CoderAdjoinFlag; |
| entry->format_type=ImplicitFormatType; |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r C L I P B O A R D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterCLIPBOARDImage() removes format registrations made by the |
| % RGB module from the list of supported formats. |
| % |
| % The format of the UnregisterCLIPBOARDImage method is: |
| % |
| % UnregisterCLIPBOARDImage(void) |
| % |
| */ |
| ModuleExport void UnregisterCLIPBOARDImage(void) |
| { |
| (void) UnregisterMagickInfo("CLIPBOARD"); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e C L I P B O A R D I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WriteCLIPBOARDImage() writes an image to the system clipboard. |
| % |
| % The format of the WriteCLIPBOARDImage method is: |
| % |
| % MagickBooleanType WriteCLIPBOARDImage(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. |
| % |
| */ |
| #if defined(MAGICKCORE_WINGDI32_DELEGATE) |
| static MagickBooleanType WriteCLIPBOARDImage(const ImageInfo *image_info, |
| Image *image,ExceptionInfo *exception) |
| { |
| /* |
| Allocate memory for pixels. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickCoreSignature); |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickCoreSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| { |
| HBITMAP |
| bitmapH; |
| |
| OpenClipboard(NULL); |
| EmptyClipboard(); |
| bitmapH=(HBITMAP) ImageToHBITMAP(image,exception); |
| SetClipboardData(CF_BITMAP,bitmapH); |
| CloseClipboard(); |
| } |
| return(MagickTrue); |
| } |
| #endif /* MAGICKCORE_WINGDI32_DELEGATE */ |
