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 ×îÐÂÎÄÕ : delphi

SDL & Object Pascal (Delphi) [ǰÑÔ]

ʵ¼ÊÉÏÕâ¸öÃû×Ö½Ð[SDL & Delphi]Ò²²»³ÉÎÊÌ⣬ ÒòΪ³ýÁËDelphiËÆºõҲûÓÐÄĸöÁ÷ÐеĿª·¢¹¤¾ßÓõÄÊÇPascalÓïÑÔ¡£
SDLÆäʵÎÒҲֻѧÁ˲»µ½Á½ÐÇÆÚ¶øÒÑ¡£¸Õ¿ªÊ¼ÎÒÏëÊÔͼÓÃVC£¬ÒòΪÕâÑù×ÊÁÏ×îÈ«£¬Ò²ºÜºÃÕÒ£¬µ«Ì«¾ÃûÓÃVCÏÖÔÚ¿´CµÄ´úÂëÓеãÀ§ÄÑ£¨->Õâ¸öËã·ûÊǸÉÂðµÄÀ´×Å……£©¡£Æäʵ×÷Ϊһ¸öרҵ²»ÊǼÆËã»úµÄÈË£¬Æ½Ê±Ð´Ò»Ð©³ÌÐò¶¼ÊÇÓÃDelphi£¬ÕâÑùÎÒ²»±ØÔÚ½çÃæÉϷѾ¢£¬ÖÁÓÚVCËäÈ»Óùýµ«ÈÓÁ˺ܾÃÁË¡£ºóÀ´ÎÒ·¢ÏÖSDLÓÐObject Pascal°æ±¾£¬¾Í°²×°ÁËÒ»¸ö£¬¾õµÃÓÃÆðÀ´»¹ÊǺܷ½±ãµÄ¡£
µ±È»ÎÒ˵¹ýÎÒÖ»ÊǸöÒµÓàµÄ£¬ËùÒÔÎÒʹÓõÄһЩ´úÂë¿ÉÄܲ»Ì«Õý¹æ£¬ÖÁÉÙ±äÁ¿µÄÐÙÑÀÀûÃüÃû·½·¨ÎÒÊǺÜÉÙÓõģ¬Ö»ÊÇÎÒÏÓ´ò×ַѾ¢¡£»¹ÓÐÎÒÓõÄһЩʵÏÖ·½·¨Ò²ÐíÓиü¸ßЧµÄ·½°¸¡£µ«ÎÒ»¹ÊÇÏë°ÑһЩʹÓÃÉϵľ­ÑéºÍ×ß¹ýµÄһЩÍä·дÔÚÕâÀ´ó¼Ò²Î¿¼Ò²ºÃ£¬ÕÒÕÒ벡ҲºÃ£¬ÎÒ¶¼ÊÇ»¶Ó­µÄ¡£ ......

SDL & Object Pascal (Delphi) [2] ÏÔʾÖÐÎÄ×Ö·û

һЩ»ù´¡µÄÎÊÌâÎÒ²»ÔÙ׸ÊöÁË£¬²éÔİïÖúÎĵµ£¨Object Pascal SDL Doc.chm£©ÏÔÈ»±ÈÔÚÕâ¿´ÎÒºú³¶ºÏÊʵöࡣÄÇЩ»­ÏñËØ£¬»ñÈ¡ÏñËØÐÅÏ¢£¬ÏÔʾBMPÎļþ¶àÊýʱºòÖ»Òª°ÑÄÇЩ´úÂë¸´ÖÆ¹ýÀ´»ù±¾¾ÍÄܹ¤×÷¡£ÏÂÃæËµµÄÊÇÔõÑùÏÔʾÖÐÎÄ¡£
ÆäʵSDL¼ÓÉÏttfÖ§³Öʱ£¨ÐèÒª½«¶ÔÓ¦µÄdllÎļþÌí¼Óµ½¹¤³ÌĿ¼ÀÊÇÍêÈ«¿ÉÒÔÏÔʾÖÐÎĵ쬼òÌåºÍ·±Ì嶼ûÎÊÌ⣨Object Pascal°æ±¾Ò²²»È±¹¦ÄÜ£©£¬µ«ÊÇÖ»ÄÜÓÃUnicode±àÂë¡£Õâ¾ÍÊÇ˵£¬Äã±ØÐëÑ¡ÔñÒ»¸öUnicode±àÂëÍêÕûµÄ×ÖÌåÎļþ£¨»òÕß˵ÖÁÉÙÄãÐèÒªµÄÄÇЩ×Ö·ûÊÇÍêÕûµÄ£©¡£WindowsÏÂÃæÕâÑùµÄ×ÖÌåÓкܶ࣬ÎÒÍÆ¼öµÄÓУº
¼òÌåÖÐÎÄ£ºËÎÌå´ó×Ö·û¼¯£¬Î¢ÈíÑźڣ»
·±ÌåÖÐÎÄ£ºÏ¸Ã÷Ì壬΢ÈíÕýºÚ£¬±ê¿¬Ìå¡£
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Êä³öÖÐÎÄʱ£¬¿ÉÒÔÏÈдÕâÑùµÄÒ»¸ö×Ó³Ì×÷Ϊ»ù´¡£º
procedure DrawText(word: PUint16; x_pos, y_pos: integer; color: Uint32);
var
  text: PSDL_Surface; 
  dest: TSDL_Rect;
begin 
  text := TTF_RenderUNICODE_blended(font, word, TSDL_Color(Color));
  dest.x := x_pos;
  dest.y := y_pos;
  ......

SDL & Object Pascal (Delphi) [3] ÖÆ×÷Ò»¸öÑ¡µ¥


Ò»¸öÑ¡µ¥´óÖÂÊÇÕâÑù£º
1.¿ÉÒÔ±»ÒÔijÖÖÐÎʽºô½Ð³öÀ´£¬Èç°´ÏÂesc£»
2.ÔÚÕâ¸öÑ¡µ¥Öй¦ÄܼüÓв»Í¬µÄ¶¨Ò壬ÈçÔ­±¾·½Ïò¼ü¿ØÖÆ×ß·£¬µ«ÏÖÔÚ¸ÄΪ¿ØÖƹâ±êµÄλÖã»
3.°´ÏÂÈ·¶¨¼üºóÓжÔÓ¦¹¦Äܱ»Ö´ÐУ»
4.¿ÉÒÔ±»¹Ø±Õ¡£
ÄÇôÎҵİ취ÊDZàдÁ½¸ö×ӳ̣¬ÆäÖÐÒ»¸ö´¦ÀíÑ¡µ¥ÖеÄʼþ£¬ÁíÍâÒ»¸öרߺÔð»­Ñ¡µ¥¡£
ÔÚ´Ó²½ÐÐÇл»µ½Ñ¡µ¥µÄʱºò£¬¿ÉÄÜÐèÒªÇå³ýµ±Ç°µÄ¼üÖµ¡£Èç¹û²½ÐÐÖÐʹÓÃÁËSDL_EnableKeyRepeat·½·¨°Ñ¼üÅÌµÄÆµÂʱä¸ß£¬¶ÔÓÚÑ¡µ¥À´Ëµ¾ÍÌ«¿ìÁË¡£ËùÒÔ¿ÉÄÜÒªÔÚµ÷ÓÃÑ¡µ¥Ö®Ç°Ð´ÉÏ£º
SDL_EnableKeyRepeat(0, 0);
event.key.keysym.sym := 0;
ÕâÑù½µµÍÁ˼üÅ̵ķ´Ó¦£¬Í¬Ê±Çå³ýµ±Ç°µÄ¼üÖµ£¬Òª²»È»ºô³öÑ¡µ¥Ö®ºóËü¿ÉÄÜ»¹»á×Ô¼º×ªÒ»»á£¨Èç¹û֮ǰÓÃÁËPollEvent·½Ê½£¬ÎÒ»¹Ã»¸ãÇå³þÔ­Òò£©¡£²»¹ýÈç¹ûÔÚÐÐ×ßÖÐʹÓõÄÊÇWaitEvent·½Ê½£¬ÊÂÇé¾Í»á¼òµ¥ºÜ¶à¡£PollEvent·½Ê½¿´À´ÊÇÌ«¿ìÁË£¬ÔÚÑ¡µ¥Öв»ºÏÊÊ¡£
´¦ÀíÑ¡µ¥Ê¼þµÄ×ӳ̣º
procedure MenuSystem;
var
  menu: integer;
begin
  while (SDL_WaitEvent(@event) >= 0) do
  begin
    case event.type_ of
      SDL_QUITEV: //ÕâÀï´¦Àí´°¿ÚÍ˳öʼþ
   ......

Delphiµ÷ÊÔDLL ²»Äܵ÷ÊÔ ²»ÄܽøÈëµ÷ÊÔ ×¢Ò⣡£¡£¡

ÈçºÎµ÷ÊÔDLL£¬ÔÚÕâÀï¾Í²»ÔÙ׸ÊöÁË£¬µ«ÊÇ£¬½ñÌì¾ÍÅöµ½ÁËÒ»¸öÌØ±ðÆæ¹ÖµÄÎÊÌ⣬²ÎÊýÉèÖÃÕýÈ·£¬¾ÍÊDz»Äܵ÷ÊÔ£¿£¿ ͨ¹ýÉÏÍø²é×ÊÁÏ£¬·¢ÏÖÁËÎÊÌ⣬עÒ⣺
  1£¬ ½«ProjectÖ÷²Ëµ¥µÄProject Options¶Ô»°¿òµÄCompilerÒ³ÃæDebuggingÑ¡ÏîÖÐµÄ Debug informaton¡¢Local symbols¡¢Assertions¸´Ñ¡¿òÑ¡ÖÐ
  2£¬½«ToolsÖ÷²Ëµ¥µÄDebugging options¶Ô»°¿ò-->×óϽÇIntegrated debugging¸´Ñ¡¿òÑ¡ÖÐ
×¢ÒâÁË£¬ Õâ¸öÎÊÌâÀ§ÈÅÁËÎÒÒ»ÏÂÎ磡£¡£¡ ......

DelphiÖ®Tchart¿Ø¼þʹÓÃÐĵÃ

DelphiÖ®Tchart¿Ø¼þʹÓÃÐĵÃ
    ×î½üÔÚѧϰdelphi£¬×öÒ»¸öÈí¼þÁ·ÊÖ£¬Óõ½Tchart¿Ø¼þ£¬ÓÐЩ´ÖÂÔµÄʹÓÃÐĵ㬹©delphi³õѧÕ߲ο¼¡£
    TChartÊÇdelphiÀïÃæÒ»¸ö±ê×¼µÄͼÐÎÏÔʾ¿Ø¼þ¡£Ëü¿ÉÒÔ¾²Ì¬Éè¼Æ£¨at design time£©Ò²¿ÉÒÔ¶¯Ì¬Éú³É¡£¿ÉÏÂÔØSteema TeeChart 7£¬Ã»ÓÐÔ´´úÂ룬ÄÜÓþͺã¡
    ÓÉÓÚÎÒÒªÔÚͬһ¸öChart½çÃæÏÔʾ²»Í¬µÄͼÐΣ¬ÐèÒª¶¯Ì¬±à³Ìʵʱ»æÖÆÇúÏß¡£
    Ò»¡¢Ìí¼ÓSeries֮ǰ£¬ÒªÉ¾³ýÒÑÓеÄSeries£¬Ö»ÄÜ´ÓºóÍùǰɾ£¬·ñÔò³ö´í£º 
for i:=Chart1.SeriesCount-1 downto 0  do                    
  begin
    Chart1.Series[i].Free;
  end;
¶þ¡¢ÔËÐÐʱºò´´½¨Ò»¸öSeries, ÓжàÖÖ·½·¨¡£
1£®Var MySeries : TBarSeries ;
   MySeries := TBarSeries.Create( Self );
   MySeries.ParentChart := Chart1 ;
     2£®Chart1.AddSeries( TBarSeries.Create( Self ) );
      ......

Delphi Êý×éºÍ½á¹¹Ìå

¼¼Êõ½»Á÷,DH½²½â. ¼ÇµÃºÜÔç֮ǰÎÒ¾Í˵¹ý,Êý×éºÍ½á¹¹ÌåÔÚÄÚ´æÖÐÆäʵһÑùµÄ,ËûÃǶ¼ÊÇÁ¬Ðø·Ö²¼µÄ.
ÀýÈç: TMyStruct = record
A,B,C:Integer;
end;
T3IntArray = array[0..2]of Integer;
ÕâÁ½¸ö¶¼Õ¼12×Ö½Ú,¶øÇÒTMyStruct.A¾ÍÊÇT3IntArray[0].

¶øÎÒÃÇÖªµÀÔÚ·ÃÎÊÊý×éÖÐij¸öÔªËØµÄʱºò,Ö»ÊÇÔÚµÚÒ»¸öÔªËØµÄµØÖ· + ÐòºÅ * ÔªËØ´óС.

ÄÇô·ÃÎʽṹÌåÓ¦¸ÃÒ²ÊÇÕâÑùµÄ,Ö»ÊǽṹÌåÖÐÿ¸öÔªËØµÄ´óС²»Ò»¶¨¶¼ÊÇÒ»ÑùµÄ,¶øÊý×éÖÐÿ¸öÔªËØ¶¼ÊÇÒ»ÑùµÄ.

ºÃµÄÎÒÃÇÀ´¿´¶Î´úÂë:
type
TMyStruct = record
A,B,C:Integer;
end;
T3IntArray = array[0..2]of Integer;
PMyStruct = ^TMyStruct;
procedure TForm2.Button2Click(Sender: TObject);
var
aArray:array[0..99] of Byte;
P:PMyStruct;
I: Integer;
begin
P:=PMyStruct(@aArray[0]);
for I := 0 to 5 - 1 do
begin
P^.A:=55;
P^.B:=66;
P^.C:=77;
Inc(P);
end;
end;
ÆäʵÕâ¸öPÎÒÃÇÏ൱ÓÚ¶¨ÒåÒ»¸öTMyStructµÄÊý×é,ÓÐ5¸öÔªËØ,µ«ÊÇÎÒÃǶ¨ÒåµÄÊÇÒ»¸öÖ¸Õë,¶øÇÒûÓзÖÅä¿Õ¼ä,ÎÒÊÇÔÚaArrayµÄ¿Õ¼äÉÏÃæÊ¹ÓÃ.

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