94 lines
2.7 KiB
Plaintext
94 lines
2.7 KiB
Plaintext
type TSPdfLineRange = class(TSPdfBasicRange)
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public
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function Create(pg: TSPage);
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function Do();override;
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function AddRange(range: TSPdfBasicRange);
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function SetAllRangeProp(pg: TSPage; sx: real; sy: real; ex: real; ey: real; w: real; fh: real; dh: real);
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function Align(jc: string);
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function AdjustRangeOffset(page: TSPage; x_offset: real; y_offset: real);
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function AlignRightBound(right_bound: real);
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function Offset(x_offset: real; y_offset; real);
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private
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range_array_: array of TSPdfBasicRange;
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end;
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function TSPdfLineRange.Create(pg: TSPage);
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begin
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{self.}TSPage := pg;
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range_array_ := array();
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end;
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function TSPdfLineRange.AddRange(range: TSPdfBasicRange);
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begin
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range_array_[length(range_array_)] := range;
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end;
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function TSPdfLineRange.Do();override;
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begin
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for _,range in range_array_ do
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range.Do();
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end;
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function TSPdfLineRange.SetAllRangeProp(pg: TSPage; sx: real; sy: real; ex: real; ey: real; w: real; fh: real; dh: real);
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begin
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for _,range in range_array_ do
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begin
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if not ifnil(pg) then range.TSPage := pg;
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if not ifnil(sx) then range.StartX := sx;
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if not ifnil(sy) then range.StartY := sy;
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if not ifnil(ex) then range.EndX := ex;
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if not ifnil(ey) then range.EndY := ey;
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if not ifnil(w) then range.Width := w;
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if not ifnil(fh) then range.FixedHeight := fh;
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if not ifnil(dh) then range.DynamicHeight := dh;
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end
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end;
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function TSPdfLineRange.Align(jc: string);
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begin
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offset := 0;
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first := range_array_[0];
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last := range_array_[length(range_array_)-1];
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case jc of
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"center":
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offset := ({self.}Width + StartX - last.EndX - last.Width) / 2;
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"right":
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offset := {self.}Width - last.EndX + first.EndX - last.Width;
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end;
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if offset <= 0 then return;
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for _,range in range_array_ do
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range.EndX += offset;
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end;
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function TSPdfLineRange.AdjustRangeOffset(page: TSPage; x_offset: real; y_offset: real);
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begin
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if page <> {self.}TSPage then return;
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for _,range in range_array_ do
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begin
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if not ifnil(x_offset) then range.EndX += x_offset;
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if not ifnil(y_offset) then range.EndY += y_offset;
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end;
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end;
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function TSPdfLineRange.AlignRightBound(right_bound: real);
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begin
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last := range_array_[length(range_array_)-1];
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diff := right_bound - (last.EndX + last.Width);
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if diff > 1e-6 then
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begin
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avg := diff / (length(range_array_) - 1);
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for i:=1 to length(range_array_)-1 do
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range_array_[i].EndX += avg * i;
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end
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end;
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function TSPdfLineRange.Offset(x_offset: real; y_offset; real);
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begin
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for _,range in range_array_ do
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begin
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range.EndX += x_offset;
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range.EndY -= y_offset;
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end
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end;
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