Gets a constant that indicates which binary raster operation (ROP2) code is being used for one or more objects.
#include "l_bitmap.h"
L_LTANN_API L_INT L_AnnGetROP2(hObject, puRop2)
Handle to the annotation object.
Address of the variable to be updated with the ROP2 code. Possible ROP2 code values are:
Value | Meaning |
---|---|
ANNROP2_COPY | [0x0000] Draw the object using the object's color |
ANNROP2_AND | [0x0001] Draw the object, performing an AND operation between the object's color and the background color. This creates a highlight effect. White objects become transparent. |
ANNROP2_XOR | [0x0002] Draw the object, performing an XOR operation between the object's color and the background color. This creates an inverted effect. Black objects become transparent. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
The ROP2 code for the object is retrieved and stored in the memory location indicated by puROP2
.
ROP2 codes specify how pen or brush colors are to be combined with the colors in the image.
The L_AnnGetROP2 function is valid only for the following object types:
In addition, the Automation object stores ROP2 settings along with the other object default settings
If you try to use the L_AnnGetROP2 function with an object that does not support it, the function returns error ERROR_FEATURE_NOT_SUPPORTED.
Call the L_AnnSetROP2 function to set the ROP2 code being used for one or more annotation objects.
Win32, x64.
For an example, refer to L_AnnSetROP2.
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