typedef struct _GRAYSCALEDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_INT nRedFactor;
L_INT nGreenFactor;
L_INT nBlueFactor;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} GRAYSCALEDLGPARAMS, * LPGRAYSCALEDLGPARAMS;
The GRAYSCALEDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogColor::DoModalGrayScale function. After the user closes the dialog box, this structure is updated with information about the user's selections.
Size of this structure, in bytes. Use the sizeof operator to calculate this value.
Ignored.
Flag that indicates the initial zoom level for previewing the image. Possible values are:
Value | Meaning |
---|---|
TRUE | Set the initial zoom level to "Zoom to fit". |
FALSE | Set the initial zoom level to "Normal (1:1)". |
Value that represents the percentage or weight given to the red value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000.
Value that represents the percentage or weight given to the green value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000.
Value that represents the percentage or weight given to the blue value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000.
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are:
Value | Meaning |
---|---|
DLG_GRAYSCALE_SHOW_CONTEXTHELP | [0x00000002] dialog should contain a context sensitive help icon. |
Ignored.
Ignored.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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