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Fixed a bug in gradrect xor lines drawing where they could sometime get to draw over the menu or even outside the screen.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1265 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues 2010-01-16 21:58:45 +00:00
parent ae873551ff
commit 450b64ca10
1 changed files with 15 additions and 11 deletions
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8
operatio.c
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@ -3404,7 +3404,9 @@ void Grad_rectangle_0_5(void)
height = abs(rby - ray);
// Check if the rectangle is not fully outside the picture
if (Min(rax, rbx) > Main_image_width || Min(ray, rby) > Main_image_height)
if (Min(rax, rbx) > Main_image_width // Rectangle at right of picture
|| Min(ray, rby) > Main_image_height // Rectangle below picture
|| Min(ray, rby) - 1 - Main_offset_Y > Menu_Y ) // Rectangle below viewport
{
Operation_pop(&rby); // reset the stack
return; // cancel the operation
@ -3426,12 +3428,13 @@ void Grad_rectangle_0_5(void)
Min(ray, rby) - Main_offset_Y, width - offset_width);
// If not, this line is out of the picture so there is no need to draw it
if (offset_height == 0)
if (offset_height == 0 || Max(ray, rby) - 1 > Menu_Y + Main_offset_Y )
{
Horizontal_XOR_line(Min(rax, rbx) - Main_offset_X, Max(ray, rby) - 1
- Main_offset_Y, width - offset_width);
}
if (height > offset_height) {
Vertical_XOR_line(Min(rax, rbx)-Main_offset_X, Min(ray, rby)
- Main_offset_Y, height - offset_height);
@ -3440,6 +3443,7 @@ void Grad_rectangle_0_5(void)
Vertical_XOR_line(Max(rax, rbx) - 1 - Main_offset_X, Min(ray, rby)
- Main_offset_Y, height - offset_height);
}
}
Update_rect(Min(rax, rbx) - Main_offset_X, Min(ray, rby) - Main_offset_Y,
width + 1 - offset_width, height + 1 - offset_height);