求优化算法。。。
从点击DRAW到显示出9999，需要的时间一分钟还要多。
求优化算法。。。
程序代码：#pragma once
#include<cmath>
struct _Point
{
int _X;
int _Y;
};
struct MyStruct
{
_Point inPoint;
int fontSize;
};
namespace DrawNumberString {
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
/// <summary>
/// Form1 摘要
/// </summary>
public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
//
//TODO: 在此处添加构造函数代码
//
}
protected:
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
~Form1()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::PictureBox^ pictureBox1;
private: System::Windows::Forms::Button^ button1;
protected:
private:
/// <summary>
/// 必需的设计器变量。
/// </summary>
System::ComponentModel::Container ^components;
#pragma region Windows Form Designer generated code
/// <summary>
/// 设计器支持所需的方法 - 不要修改
/// 使用代码编辑器修改此方法的内容。
/// </summary>
void InitializeComponent(void)
{
this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());
this->button1 = (gcnew System::Windows::Forms::Button());
(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->pictureBox1))->BeginInit();
this->SuspendLayout();
//
// pictureBox1
//
this->pictureBox1->BackColor = System::Drawing::Color::FromArgb(static_cast<System::Int32>(static_cast<System::Byte>(255)), static_cast<System::Int32>(static_cast<System::Byte>(224)),
static_cast<System::Int32>(static_cast<System::Byte>(192)));
this->pictureBox1->Location = System::Drawing::Point(0, 0);
this->pictureBox1->Name = L"pictureBox1";
this->pictureBox1->Size = System::Drawing::Size(200, 200);
this->pictureBox1->TabIndex = 0;
this->pictureBox1->TabStop = false;
//
// button1
//
this->button1->BackColor = System::Drawing::Color::FromArgb(static_cast<System::Int32>(static_cast<System::Byte>(255)), static_cast<System::Int32>(static_cast<System::Byte>(128)),
static_cast<System::Int32>(static_cast<System::Byte>(0)));
this->button1->Font = (gcnew System::Drawing::Font(L"宋体", 14.25F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,
static_cast<System::Byte>(134)));
this->button1->ForeColor = System::Drawing::Color::Blue;
this->button1->Location = System::Drawing::Point(48, 203);
this->button1->Name = L"button1";
this->button1->Size = System::Drawing::Size(104, 39);
this->button1->TabIndex = 1;
this->button1->Text = L"D R A W";
this->button1->UseVisualStyleBackColor = false;
this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
//
// Form1
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 12);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(200, 246);
this->Controls->Add(this->button1);
this->Controls->Add(this->pictureBox1);
this->Name = L"Form1";
this->Text = L"Form1";
(cli::safe_cast<System::ComponentModel::ISupportInitialize^>(this->pictureBox1))->EndInit();
this->ResumeLayout(false);
}
#pragma endregion
private: int calc_left(Image^ img)
{
Bitmap^ tempmap = gcnew Bitmap(img);
int x = tempmap->Width;
int y = tempmap->Height;
Color Backcolor = tempmap->GetPixel(0, 0);
Color Newcolor;
for (int x = 0; x < tempmap->Width; x++)
for (int y = 0; y < tempmap->Height; y++)
{
Newcolor = tempmap->GetPixel(x,y);
if (Newcolor != Backcolor)
{
tempmap->~Bitmap();
return x;
}
}
}
private: int calc_right(Image^ img)
{
Bitmap^ tempmap = gcnew Bitmap(img);
int x = tempmap->Width;
int y = tempmap->Height;
Color Backcolor = tempmap->GetPixel(0, 0);
Color Newcolor;
for (int x = 1; x <= tempmap->Width; x++)
for (int y = 0; y < tempmap->Height; y++)
{
Newcolor = tempmap->GetPixel(tempmap->Width - x, y);
if (Newcolor != Backcolor)
return tempmap->Width - x;
}
}
private: int calc_top(Image^ img)
{
Bitmap^ tempmap = gcnew Bitmap(img);
int x = tempmap->Width;
int y = tempmap->Height;
Color Backcolor = tempmap->GetPixel(0, 0);
Color Newcolor;
for (int y = 0; y < tempmap->Height; y++)
for (int x = 0; x < tempmap ->Width; x++)
{
Newcolor = tempmap->GetPixel(x, y);
if (Newcolor != Backcolor)
{
tempmap->~Bitmap();
return y;
}
}
}
private: int calc_bottom(Image^ img)
{
Bitmap^ tempmap = gcnew Bitmap(img);
int x = tempmap->Width;
int y = tempmap->Height;
Color Backcolor = tempmap->GetPixel(0, 0);
Color Newcolor;
for (int y = 1; y <= tempmap->Height; y++)
for (int x = 0; x < tempmap->Width; x++)
{
Newcolor = tempmap->GetPixel(x, tempmap->Height - y);
if (Newcolor != Backcolor)
return tempmap->Height - y;
}
}
private: int calc_catercorner(Image^ img)
{
int w = (calc_right(img) - calc_left(img)) + 1;
int h = (calc_bottom(img) - calc_top(img)) + 1;
return std::sqrt(w * w + h * h);
}
private: MyStruct calc_format(Point^ inpoint, int wide, int num)
{
int w = 0;
if (num < 10)
{
num = 8;
w = wide;
}
else if (num < 100)
{
num = 88;
w = 2 * wide;
}
else if (num < 1000)
{
num = 888;
w = 3 * wide;
}
else if (num < 10000)
{
num = 8888;
w = 4 * wide;
}
Image^ tempimg = gcnew Bitmap(w, (wide*3)/2);
Graphics^ g = Graphics::FromImage(tempimg);
SolidBrush^ tempBrush = gcnew SolidBrush(Color::White);
g->FillRectangle(tempBrush, Rectangle(0, 0, w, (wide * 3) / 2));
int fontsize = 0;
tempBrush->Color = Color::Black;
System::Drawing::Font^ drawFont = gcnew System::Drawing::Font("宋体",wide+ fontsize);
g->DrawString(num.ToString(), drawFont, tempBrush, Point(0, 0));
int catercorner = calc_catercorner(tempimg); //计算字符尺寸对角线
while (catercorner < wide * 4 / 5)
{
fontsize++;
tempBrush->Color = Color::White;
g->FillRectangle(tempBrush, Rectangle(0, 0, w, (wide * 3) / 2));
tempBrush->Color = Color::Black;
drawFont = gcnew System::Drawing::Font("宋体", wide + fontsize);
g->DrawString(num.ToString(), drawFont, tempBrush, Point(0, 0));
catercorner = calc_catercorner(tempimg);
}
while (wide * 4 / 5- catercorner <=2)
{
fontsize--;
tempBrush->Color = Color::White;
g->FillRectangle(tempBrush, Rectangle(0, 0, w, (wide * 3) / 2));
tempBrush->Color = Color::Black;
drawFont = gcnew System::Drawing::Font("宋体", wide + fontsize);
g->DrawString(num.ToString(), drawFont, tempBrush, Point(0, 0));
catercorner = calc_catercorner(tempimg);
}
MyStruct _format;
_format.fontSize = wide + fontsize;
_format.inPoint._X = inpoint->X + (wide -(calc_right(tempimg) - calc_left(tempimg)))/2 - calc_left(tempimg);
_format.inPoint._Y = inpoint->Y + (wide - (calc_bottom(tempimg) - calc_top(tempimg))) / 2 - calc_top(tempimg);
return _format;
}
private: Void draw_num_str(Point^ inpoint, int wide, int num)
{
MyStruct drawformat = calc_format(inpoint, wide, num);
System::Drawing::Font^ drawFont = gcnew System::Drawing::Font("宋体", drawformat.fontSize);
Image^ drawimg = gcnew Bitmap(wide, wide);
Graphics^ g = Graphics::FromImage(drawimg);
SolidBrush^ MyBrush = gcnew SolidBrush(Color::Cyan);
g->FillRectangle(MyBrush, Rectangle(inpoint->X + wide / 20, inpoint->X + wide / 20, (wide * 9) / 10, (wide * 9) / 10));
MyBrush->Color = Color::Black;
g->FillEllipse(MyBrush, Rectangle(inpoint->X + wide / 10, inpoint->Y + wide / 10, (wide * 4) / 5, (wide * 4) / 5));
MyBrush->Color = Color::Cyan;
g->DrawString(num.ToString(), drawFont, MyBrush, Point(drawformat.inPoint._X, drawformat.inPoint._Y));
this->pictureBox1->Image = drawimg;
}
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e)
{
draw_num_str(Point(0, 0), 200, 9999);
}
};
}
代码文件
代码文件.rar
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