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Fix intersection calculation bug in rect_paint_needed #52

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Fix intersection calculation bug in rect_paint_needed #52

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4 changes: 2 additions & 2 deletions comp_rect.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,9 +42,9 @@ bool rect_paint_needed(CompRect* ignore_reg, CompRect* reg){

// calculate the intersection rect.
short x1 = (ignore_reg->x1 > reg->x1) ? ignore_reg->x1 : reg->x1;
short x2 = (ignore_reg->x2 < reg->x2) ? ignore_reg->x1 : reg->x1;
short x2 = (ignore_reg->x2 < reg->x2) ? ignore_reg->x2 : reg->x2;
short y1 = (ignore_reg->y1 > reg->y1) ? ignore_reg->y1 : reg->y1;
short y2 = (ignore_reg->y2 < reg->y2) ? ignore_reg->y1 : reg->y1;
short y2 = (ignore_reg->y2 < reg->y2) ? ignore_reg->y2 : reg->y2;
short w = x2 - x1;
short h = y2 - y1;

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