基本信息
源码名称:汉字点阵化
源码大小:0.21M
文件格式:.rar
开发语言:Pascal
更新时间:2025-07-31
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源码介绍
汉字点阵化
procedure TForm1.GenerateDotMatrix(Ch: WideChar);
var
Pixels: TBits;
X, Y: Integer;
StartX, StartY: Integer;
CharWidth, CharHeight: Integer;
MinX, MinY, MaxX, MaxY: Integer;
OffsetX, OffsetY: Integer;
begin
Pixels := GetCharacterPixels(Ch);
try
// Çå¿ÕÔ¤ÀÀÇø²¢»æÖÆÍø¸ñºÍ±àºÅ
imgPreview.Canvas.Brush.Color := clWhite;
imgPreview.Canvas.FillRect(Rect(0, 0, imgPreview.Width, imgPreview.Height));
DrawGridAndNumbers(imgPreview.Canvas);
StartX := FNumberArea;
StartY := FNumberArea;
// ³õʼ»¯±ß½çÖµ
MinX := FMatrixSize;
MinY := FMatrixSize;
MaxX := -1;
MaxY := -1;
// ¼ÆËã×Ö·ûµÄʵ¼Ê±ß½ç£¨×îСºÍ×î´óX/Y×ø±ê£©
for Y := 0 to FMatrixSize - 1 do
begin
for X := 0 to FMatrixSize - 1 do
begin
if Pixels.Bits[Y * FMatrixSize X] then
begin
if X < MinX then
MinX := X;
if Y < MinY then
MinY := Y;
if X > MaxX then
MaxX := X;
if Y > MaxY then
MaxY := Y;
end;
end;
end;
// Èç¹ûûÓÐÏñËØ£¨¿Õ°××Ö·û£©£¬ÔòʹÓÃĬÈÏÖµ
if (MinX > MaxX) or (MinY > MaxY) then
begin
MinX := 0;
MaxX := FMatrixSize - 1;
MinY := 0;
MaxY := FMatrixSize - 1;
end;
// ¼ÆËã×Ö·ûʵ¼Ê¿í¶ÈºÍ¸ß¶È
CharWidth := MaxX - MinX 1;
CharHeight := MaxY - MinY 1;
// ¼ÆËã¾ÓÖÐÆ«ÒÆÁ¿£¨È·±£²»»á³¬³ö±ß½ç£©
OffsetX := (FMatrixSize - CharWidth) div 2 - MinX;
OffsetY := (FMatrixSize - CharHeight) div 2 - MinY;
// ÏÞÖÆÆ«ÒÆÁ¿£¬È·±£²»»á³¬³öµãÕó·¶Î§
OffsetX := Max(-MinX, Min(FMatrixSize - 1 - MaxX, OffsetX));
OffsetY := Max(-MinY, Min(FMatrixSize - 1 - MaxY, OffsetY));
// »æÖƵãÕ󣨾ÓÖÐÏÔʾ£©
for Y := 0 to FMatrixSize - 1 do
begin
for X := 0 to FMatrixSize - 1 do
begin
// ¼ÆËãÔʼÏñËØÎ»Öã¨Ó¦ÓÃÆ«ÒÆÁ¿£©
if (X - OffsetX >= 0) and (X - OffsetX < FMatrixSize) and (Y - OffsetY
>= 0) and (Y - OffsetY < FMatrixSize) then
begin
if Pixels.Bits[(Y - OffsetY) * FMatrixSize (X - OffsetX)] then
begin
imgPreview.Canvas.Brush.Color := clBlack;
imgPreview.Canvas.FillRect(Rect(StartX X * FDotSize 1, StartY
Y * FDotSize 1, StartX (X 1) * FDotSize - 1, StartY (Y 1)
* FDotSize - 1));
end;
end;
end;
end;
finally
Pixels.Free;
end;
end;
汉字点阵化
procedure TForm1.GenerateDotMatrix(Ch: WideChar);
var
Pixels: TBits;
X, Y: Integer;
StartX, StartY: Integer;
CharWidth, CharHeight: Integer;
MinX, MinY, MaxX, MaxY: Integer;
OffsetX, OffsetY: Integer;
begin
Pixels := GetCharacterPixels(Ch);
try
// Çå¿ÕÔ¤ÀÀÇø²¢»æÖÆÍø¸ñºÍ±àºÅ
imgPreview.Canvas.Brush.Color := clWhite;
imgPreview.Canvas.FillRect(Rect(0, 0, imgPreview.Width, imgPreview.Height));
DrawGridAndNumbers(imgPreview.Canvas);
StartX := FNumberArea;
StartY := FNumberArea;
// ³õʼ»¯±ß½çÖµ
MinX := FMatrixSize;
MinY := FMatrixSize;
MaxX := -1;
MaxY := -1;
// ¼ÆËã×Ö·ûµÄʵ¼Ê±ß½ç£¨×îСºÍ×î´óX/Y×ø±ê£©
for Y := 0 to FMatrixSize - 1 do
begin
for X := 0 to FMatrixSize - 1 do
begin
if Pixels.Bits[Y * FMatrixSize X] then
begin
if X < MinX then
MinX := X;
if Y < MinY then
MinY := Y;
if X > MaxX then
MaxX := X;
if Y > MaxY then
MaxY := Y;
end;
end;
end;
// Èç¹ûûÓÐÏñËØ£¨¿Õ°××Ö·û£©£¬ÔòʹÓÃĬÈÏÖµ
if (MinX > MaxX) or (MinY > MaxY) then
begin
MinX := 0;
MaxX := FMatrixSize - 1;
MinY := 0;
MaxY := FMatrixSize - 1;
end;
// ¼ÆËã×Ö·ûʵ¼Ê¿í¶ÈºÍ¸ß¶È
CharWidth := MaxX - MinX 1;
CharHeight := MaxY - MinY 1;
// ¼ÆËã¾ÓÖÐÆ«ÒÆÁ¿£¨È·±£²»»á³¬³ö±ß½ç£©
OffsetX := (FMatrixSize - CharWidth) div 2 - MinX;
OffsetY := (FMatrixSize - CharHeight) div 2 - MinY;
// ÏÞÖÆÆ«ÒÆÁ¿£¬È·±£²»»á³¬³öµãÕó·¶Î§
OffsetX := Max(-MinX, Min(FMatrixSize - 1 - MaxX, OffsetX));
OffsetY := Max(-MinY, Min(FMatrixSize - 1 - MaxY, OffsetY));
// »æÖƵãÕ󣨾ÓÖÐÏÔʾ£©
for Y := 0 to FMatrixSize - 1 do
begin
for X := 0 to FMatrixSize - 1 do
begin
// ¼ÆËãÔʼÏñËØÎ»Öã¨Ó¦ÓÃÆ«ÒÆÁ¿£©
if (X - OffsetX >= 0) and (X - OffsetX < FMatrixSize) and (Y - OffsetY
>= 0) and (Y - OffsetY < FMatrixSize) then
begin
if Pixels.Bits[(Y - OffsetY) * FMatrixSize (X - OffsetX)] then
begin
imgPreview.Canvas.Brush.Color := clBlack;
imgPreview.Canvas.FillRect(Rect(StartX X * FDotSize 1, StartY
Y * FDotSize 1, StartX (X 1) * FDotSize - 1, StartY (Y 1)
* FDotSize - 1));
end;
end;
end;
end;
finally
Pixels.Free;
end;
end;