unit1.cpp

linux-2.4内核修改工具,可以方便的定制启动图标,根据指定的BMP,自动生成linux内核的C语言代码

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
    if(this->OpenPictureDialog1->Execute())
    {
        this->Image1->Picture->LoadFromFile(
            this->OpenPictureDialog1->FileName);

        m_bmp->LoadFromFile(
            this->OpenPictureDialog1->FileName);

        if(m_bmp->PixelFormat != pf8bit)
        {
            ShowMessage("提示:只能转换256色BMP");
        }

        if(m_bmp->Width < 32)
        {
            ShowMessage("提示:图片宽度太小");
        }

        if(m_bmp->Height < 24)
        {
            ShowMessage("提示:图片高度太小");
        }


        if(m_bmp->Width > 320)
        {
            ShowMessage("提示:图片宽度太大");
        }

        if(m_bmp->Height > 240)
        {
            ShowMessage("提示:图片高度太大");
        }
    }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
    m_bmp = new Graphics::TBitmap;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormDestroy(TObject *Sender)
{
    delete m_bmp;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
        if(m_bmp->PixelFormat != pf8bit)
        {
            ShowMessage("提示:只能转换256色");
            return;
        }

        if(m_bmp->Width < 32)
        {
            ShowMessage("提示:图片宽度太小"); 
            return;
        }

        if(m_bmp->Height < 24)
        {
            ShowMessage("提示:图片高度太小"); 
            return;
        }


        if(m_bmp->Width > 320)
        {
            ShowMessage("提示:图片宽度太大"); 
            return;
        }

        if(m_bmp->Height > 240)
        {
            ShowMessage("提示:图片高度太大");
            return;
        }

        memset(&(m_color_c[0][0]),0,sizeof(m_color_c));
        memset(&(m_pixel_a[0][0]),0,sizeof(m_pixel_a));

        int y;
        int x;

        for(y = 0; y < m_bmp->Height; y ++)
        {
            memcpy(m_pixel_a[y],
                m_bmp->ScanLine[y],m_bmp->Width);

            for(x = 0; x < m_bmp->Width; x ++)
            {
                m_color_c[m_pixel_a[y][x]][0] ++;
            }
        }

        tagPALETTEENTRY t_pes[256];

        int j = GetPaletteEntries(
                    m_bmp->Palette,0,256,t_pes);

        int i;

        for(i = 0; i < j; i ++)
        {
            m_color_c[i][1] = t_pes[i].peRed   & 0x00ff;
            m_color_c[i][2] = t_pes[i].peGreen & 0x00ff;
            m_color_c[i][3] = t_pes[i].peBlue  & 0x00ff;
        }

        int c = 0;

        for(i = 0; i < j; i ++)
        {
            if(m_color_c[i][0] != 0)
            {
                m_color_c[i][4] = c ++;
            }
        }

        ShowMessage("提示:色彩实际使用" + IntToStr(c) + "个");

        if(this->SaveDialog1->Execute())
        {
            AnsiString astr = this->SaveDialog1->FileName;

            FILE * fp;

            if((fp = fopen(astr.c_str(),"w+")) != NULL)
            {
                //image ?;
                fprintf(fp,"int color_count = %d;\n",c);
                fprintf(fp,"int image_width = %d;\n",m_bmp->Width );
                fprintf(fp,"int image_height= %d;\n",m_bmp->Height);

                //color r;
                fprintf(fp,"\nunsigned char linux_logo_red[] __initdata =\n{\t");

                for(i = 0,c = 0; i < j; i ++)
                {
                    if(m_color_c[i][0] != 0)
                    {
                        fprintf(fp,"0x%02x,",m_color_c[i][1]);

                        if((c & 7) == 7)
                        {
                            fprintf(fp,"\n\t");
                        }

                        c ++;
                    }
                }

                for(;c < 256; c ++)
                {
                    fprintf(fp,"0x00,");

                    if((c & 7) == 7)
                    {
                        fprintf(fp,"\n\t");
                    }
                }

                fprintf(fp,"\n};\n");

                //color g;
                fprintf(fp,"\nunsigned char linux_logo_green[] __initdata =\n{\t");

                for(i = 0,c = 0; i < j; i ++)
                {
                    if(m_color_c[i][0] != 0)
                    {
                        fprintf(fp,"0x%02x,",m_color_c[i][2]);

                        if((c & 7) == 7)
                        {
                            fprintf(fp,"\n\t");
                        }
                        
                        c ++;
                    }
                }  

                for(;c < 256; c ++)
                {
                    fprintf(fp,"0x00,");

                    if((c & 7) == 7)
                    {
                        fprintf(fp,"\n\t");
                    }
                }

                fprintf(fp,"\n};\n");

                //color b;
                fprintf(fp,"\nunsigned char linux_logo_blue[] __initdata =\n{\t");

                for(i = 0,c = 0; i < j; i ++)
                {
                    if(m_color_c[i][0] != 0)
                    {
                        fprintf(fp,"0x%02x,",m_color_c[i][3]);

                        if((c & 7) == 7)
                        {
                            fprintf(fp,"\n\t");
                        }
                        
                        c ++;
                    }
                }   

                for(;c < 256; c ++)
                {
                    fprintf(fp,"0x00,");

                    if((c & 7) == 7)
                    {
                        fprintf(fp,"\n\t");
                    }
                }

                fprintf(fp,"\n};\n\n");

                //image p;
                fprintf(fp,"unsigned char linux_logo[] __initdata =\n{\t");

                c = 0;

                for(y = 0; y < m_bmp->Height; y ++)
                for(x = 0; x < m_bmp->Width ; x ++)
                {
                    fprintf(fp,"0x%02x,",m_color_c[m_pixel_a[y][x]][4] + 0x20);

                    if((c & 7) == 7)
                    {
                        fprintf(fp,"\n\t");
                    }

                    c ++;
                }    

                fprintf(fp,"\n};\n\n");

                fclose(fp);
            }
        }
}
//---------------------------------------------------------------------------