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mj2_video_target::set_graphics_mode

Java: Mj2_video_target::Set_graphics_mode

void set_graphics_mode( kdu_int16 graphics_mode, kdu_int16 op_red=0, kdu_int16 op_green=0, kdu_int16 op_blue=0)

Java: void Set_graphics_mode( short graphics_mode, short op_red, short op_green, short op_blue)

[Declared in "../apps/compressed_io/mj2.h"]

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Synopsis

Indicates the raster operations which should be used to combine this track with others on the display. Tracks are added in the compositing order established by set_compositing_order. By default, compositing involves a direct copy; however, this function may be used to set other blending strategies.

Arguments

graphics_mode [kdu_int16]

May take any of the following values:

0x0000 → copy
0x0024 → blue screen the image using the supplied op-colour
0x0100 → alpha blend with existing contents
0x0101 → alpha blend, where compressed data has already been blended with white.
0x0102 → alpha blend, where compressed data has already been blended with black.

op_red [kdu_int16]

op_green [kdu_int16]

op_blue [kdu_int16]

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