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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
typedef struct _JPEGWEBTUNERDLGPARAMS
{
L_UINT uStructSize ;
pBITMAPHANDLE pBitmap ;
L_BOOL bZoomToFit ;
L_INT nQuality ;
L_INT nFormat ;
L_BOOL bProgressive ;
L_BOOL bWithStamp ;
L_UINT32 uDlgFlags ;
LTCOMMDLGHELPCB pfnHelpCallback ;
L_VOID *pHelpCallBackUserData ;
} JPEGWEBTUNERDLGPARAMS, * LPJPEGWEBTUNERDLGPARAMS ;
The JPEGWEBTUNERDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogWeb::DoModalJPEGWebTuner function. After the user closes the dialog box, this structure is updated with information about the user's selections.
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Member |
Description |
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uStructSize |
Size of this structure, in bytes. Use the sizeof operator to calculate this value. |
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pBitmap |
Ignored. |
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bZoomToFit |
Flag that indicates the initial zoom level for previewing the image. Possible values are: |
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Value |
Meaning |
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TRUE |
Set the initial zoom level to "Zoom to fit". |
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FALSE |
Set the initial zoom level to "Normal (1:1)". |
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nQuality |
Value that indicates the degree of loss in the compression process. Valid values are between 2 (highest quality) and 255 (smallest file size) For more information, refer to the Compression Quality Factors. |
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nFormat |
Value that indicates the sub format to use. Possible values are: |
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Value |
Meaning |
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FILE_JFIF |
JPEG File Interchange Format with YUV 4:4:4 color space and Lossless |
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FILE_LEAD1JFIF |
JPEG File Interchange Format with YUV 4:2:2 color space |
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FILE_LEAD2JFIF |
JPEG File Interchange Format with YUV 4:1:1 color space |
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bProgressive |
Flag that indicates whether to save the JPEG image as a progressive image. Progressive images are useful when transmitting images, because the first part of the file contains the full dimensions of the image. Therefore, in a paint-while-load routine, you can display the whole image, and then progressively clarify it as the rest of the file loads. Possible values are: |
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Value |
Meaning |
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TRUE |
Save the JPEG image as a progressive image. |
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FALSE |
Do not save the JPEG image as a progressive image. |
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bWithStamp |
Flag that indicates whether to save the image with a stamp. A stamp is a small thumbnail image saved in addition to the normal image in same file. Possible values are: |
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Value |
Meaning |
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TRUE |
Save the image with a stamp. |
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FALSE |
Save the image without a stamp. |
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uDlgFlags |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: |
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Value |
Meaning |
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DLG_JPEGWEBTUNER_SHOW_CONTEXTHELP |
[0x00000001] Dialog should contain a context sensitive help icon. |
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DLG_JPEGWEBTUNER_SHOW_INFORMATION |
[0x00000008] Show the Information group of controls. |
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DLG_JPEGWEBTUNER_SHOW_SAVETHUMBNAIL |
[0x00000010] Show the Save Thumbnail control. |
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DLG_JPEGWEBTUNER_SHOW_OPTIONS |
[0x00000100] Show the Options group of controls. |
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DLG_JPEGWEBTUNER_SHOW_EXPORT |
[0x00000200] Show the Export button instead of the OK button. |
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pfnHelpCallback |
Ignored. |
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pHelpCallBackUserData |
Ignored. |
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