Difference between revisions of "mirc/commands/drawcopy"

Revision as of 13:11, 29 April 2020

The /drawcopy command copies part of a picture to a different position in the same window or to another window.

/drawcopy -ihmnt <@win> [color] <x y w h> <@win> <x y [w h]>

-t - indicates that you have specified the [color] RGB value as a transparent color in the source bitmap
-m - changes the stretch mode quality when the picture is resized
-i - draws in inverse color mode. You can find the final color based on the two color by using $xor($xor(currentcolor,16777215),drawncolor). Drawing the same color gives white and may be used to create transparency effect.
-h - highlights the windows icon if it is minimized
-n - prevents the display from being updated immediately
-r - indicates that the color is in RGB format

<@win> - the window's name to copy from
[color] - if -t is used, the RGB color used for transparency
<x y w h> - portion to copy
<@win> - the window's name to copy to
<x y [w h]> - the coordinate where to draw, if [w h] are specified, the picture is squeed/stretched to fit, they can be negative value to get a mirror effect:

-@win has a bitmap area of 16*16 pixels containing this picture:

-@win1 has a bitmap area of 48*16 pixels

-If you copy the whole @win over @win1 at coordinate 16,0 you would get (drawcopy @win 0 0 @win1 16 0):

-Now we use a negative width of -16 to flip horizontally the bitmap (drawcopy @win 0 0 16 16 @win1 16 0 -16 16):

One issue: the flipped bitmap is drawn at x + 1 instead of x, you have to draw at x - 1 or y - 1 when you flip.

None

Added: 5.3

@@ Line 25: / Line 25: @@
 -If you copy the whole @win over @win1 at coordinate '''16''',0 you would get (drawcopy @win 0 0 @win1 16 0): [[File:Drawpic&copy_negative1.png]]
--Now we use a negative width of -16 to flip horizontally the bitmap, the bitmap will be drawn at 16 - 15 = 1 so that after the flip, the last pixel of the bitmap on the 'x' axis is at the 'x' coordinate ('''16''' in this example) (drawcopy @win 0 0 16 16 @win1 16 0 -16 16): [[File:Drawpic&copy_negative2.png]]
+-Now we use a negative width of -16 to flip horizontally the bitmap (drawcopy @win 0 0 16 16 @win1 16 0 -16 16): [[File:Drawpic&copy_negative2.png]]
+One issue: the flipped bitmap is drawn at x + 1 instead of x, you have to draw at x - 1 or y - 1 when you flip.
 == Example ==