Blt Attributes; Character Pattern Drawing Attributes; Bold Line; Starting And Ending Points - Fujitsu MB86R02 Jade-D Hardware Manual

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MB86R02 'Jade-D' Hardware Manual V1.64

BLT attributes

In BLT drawing, the following attributes apply:

Drawing Attribute

Logic operation mode

Transparency mode

Alpha map mode

Drawing Attribute

Character pattern enlarge/shrink

Character pattern color

Transparency/non-transparency

• In the CREMSON bold line mode, the starting and ending points are vertical to the principal axis.

• In the CORAL bold line mode, the starting and ending points are vertical to the theoretical line.

• Caution: CORAL line is generated by different algorithm. Thus drawing position is little bit different

form other primitive.

CREMSON bold line mode

BLT Attributes

Specify two source logic operation mode

Set transparent copy mode and transparent color

Blend a color according to alpha map

Character Pattern Drawing

Vertical and Horizontal × 2,

Horizontal × 2,

Vertical and Horizontal × 1/2,

Horizontal × 1/2

Set character color and background color

Set background color to transparency/non-transparency

CORAL bold line mode