Subversion Repositories Kolibri OS

Rev

Rev 2185 | Rev 2358 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. <html>
  2. <head>
  3. <title>áèáëèîòåêà äëÿ ðàáîòû ñ 2d áóôåðàìè</title>
  4. <meta http-equiv="content-type" content="text/html; charset=WINDOWS-1251">
  5. <style>
  6. body
  7. {
  8.   font-size: 15px;
  9.   font-family: "Bookman Old Style";
  10.   color: black;
  11.   text-align: justify;
  12. }
  13. h1 { color: green; font-size: 23px; }
  14. h2 { color: green; font-size: 21px; }
  15. h3 { color: green; font-size: 19px; }
  16. h4 { color: #803f00; font-size: 17px; }
  17. i { color: #0099cc; }
  18. b { color: #0099cc; }
  19. p {
  20.   text-indent: 1em;
  21.   margin-top: 3px;
  22.   margin-bottom: 2px;
  23.   margin-left: 0px;
  24.   margin-right: 0px;
  25. }
  26. ol, ul, dl{
  27.   margin-top: 3px;
  28.   margin-bottom: 2px;
  29. }
  30. pre
  31. {
  32.   padding: 2px;
  33.   padding-left: 20px;
  34.   margin-top: 5px;
  35.   margin-bottom: 5px;
  36.   margin-left: 0px;
  37.   margin-right: 0px;
  38.   font-family: "Courier New";
  39.   font-size: 15px;
  40.   color: #004000;
  41.   background-color: #ffd0ff;
  42. }
  43. table { font-size: 15px; }
  44. </style>
  45. </head>
  46.  
  47. <body>
  48.  
  49. <h1>Îãëàâëåíèå</h1>
  50. <ul>
  51. <li>Âñòóïëåíèå</li>
  52. <li><a href="#f_buf">Ôîðìàòû áóôåðîâ</a></li>
  53. <li><a href="#fun">Ôóíêöèè</a><br>
  54. <li><a href="#const">Êîíñòàíòû</a><br>
  55. <li><a href="#tabl_e">Òàáëèöà ýêñïîðòà</a></li>
  56. <li><a href="#hist">Èñòîðèÿ</a></li>
  57. </ul>
  58.  
  59. <h1>Âñòóïëåíèå</h1>
  60. <p>Äîêóìåíòàöèÿ ê ñâîáîäíîé áèáëèîòåêå <b>buf2d.asm</b>, äëÿ <b>ÎÑ Êîëèáðè</b>.
  61.  Ýòà áèáëèîòåêà ñîçäàíà äëÿ ðàáîòû ñ 2d èçîáðàæåíèÿìè.
  62.  Ñ åå ïîìîùüþ ìîæíî ñîçäàâàòü áóôåðà ñ èçîáðàæåíèÿìè â ïàìÿòè, è ïðè íåîáõîäèìîñòè âûâîäèòü èõ íà ýêðàí.
  63.  Èçîáðàæåíèÿ ìîæíî íàêëàäûâàòü îäíî íà äðóãîå, ïîääåðæèâàåòñÿ ðàáîòà ñ ïðîçðà÷íûìè èçîáðàæåíèÿìè, åñòü ôóíêöèÿ ðèñîâàíèÿ ëèíè ïîêà íà ýòîì âñå.</p>
  64.  
  65. <p>Ïîñëåäíåå îáíîâëåíèå áèáëèîòåêè 22.09.11.</p>
  66.  
  67. <h1><a name="f_buf">Ôîðìàòû áóôåðîâ</a></h1>
  68. <p>Ïîääåðæèâàåòñÿ 3 ôîðìàòà áóôåðîâ.
  69.  Êàæäàÿ ôóíêöèÿ ïðè ðàáîòå ñ áóôåðàìè ìîæåò áûòü ðàñ÷èòàíà íà ðàáîòó ñ îïðåäåëåííûìè ôîðìàòàìè èçîáðàæåíèé.</p>
  70.  
  71. <h4>8 áèò</h4>
  72. <p>Ñîæåðæèò àëüôà êàíàë <b>a</b> (ïðîçðà÷íîñòü) èçîáðàæåíèÿ. Íà ýêðàí íå âûâîäèòñÿ. Èñïîëüçóåòñÿ äëÿ ñîçäàíÿ 32-áèòíûõ áóôåðîâ.</p>
  73. <h4>24 áèò</h4>
  74. <p>Äàííûé áóôåð ñîäåðæèò èçîáðàæåíèå â ôîðìàòå <b>rgb</b>. Ìîæåò âûâîäèòñÿ íà ýêðàí.</p>
  75. <h4>32 áèò</h4>
  76. <p>Ñîäåðæèò ïðîçðà÷íîå èçîáðàæåíèå â ôîðìàòå <b>rgba</b>. Íà ýêðàí íå âûâîäèòñÿ. Èñïîëüçóåòñÿ äëÿ íàëîæåíèÿ èçîáðàæåíèé.</p>
  77.  
  78. <h1><a name="fun">Ôóíêöèè</a></h1>
  79.  
  80. <p>Ïî÷òè âñå ôóíêöèè 1-ì ïàðàìåòðîì ïðèíèìàþò óêàçàòåëü íà ñòðóêòóðó áóôåðà,
  81.  èç êîòîðîé ìîãóò èñïîëüçîâàòüñÿ ïàðàìåòðû, íóæíûå äëÿ ðàáîòû êîíêðåòíîé ôóíêöèè.
  82.  Ïðèìåð ñòðóêòóðû áóôåðà èçîáðàæåíèÿ:</p>
  83. <pre>align 4
  84. buf_0:
  85.         dd    0 ;+ 0 óêàçàòåëü íà áóôåð èçîáðàæåíèÿ
  86.         dw  100 ;+ 4 îòñòóï ñëåâà
  87.         dw   10 ;+ 6 îòñòóï ñïðàâà
  88.         dd  150 ;+ 8 øèðèíà
  89.         dd  100 ;+12 âûñîòà
  90.         dd 0x80 ;+16 ôîíîâûé öâåò
  91.         db   24 ;+20 áèò íà ïèêñåëü</pre>
  92.  
  93. <h4>lib_init</h4>
  94. <p>Ýòà ôóíêöèÿ ïîëó÷àåò óêàçàòåëè íà ôóíêöèè ðàáîòû ñ ïàìÿòüþ, âûçûâàòñÿ äîëæíà ïðè çàãðóçêå áèáëèîòåêè. Ìîæåòå èñïîëüçîâàòü ìàêðîñ <b>@use_library_mem</b>, äëÿ åå àâòîìàòè÷åñêîé íàñòðîéêè.</p>
  95.  
  96. <h4>buf2d_create</h4>
  97. <p>Ñîçäàåò áóôåð è ÷èñòèò åãî ôîíîâûì öâåòîì.</p>
  98.  
  99. <h4>buf2d_create_f_img</h4>
  100. <p>Ñîçäàåò áóôåð íà îñíîâå èçîáðàæåíèÿ â ôîðìàòå <b>rgb</b>.</p>
  101.  
  102. <h4>buf2d_clear</h4>
  103. <p>×èñòèò áóôåð óêàçàíûì öâåòîì. Ïðèìåð:</p>
  104. <pre>buf2d_color equ dword[edi+16] ;öâåò ôîíà áóôåðà
  105. mov edi,buf_0
  106. stdcall [buf2d_clear], edi, buf2d_color ;î÷èùàåì ýêðàí ôîíîâûì öâåòîì</pre>
  107. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà.</p>
  108.  
  109. <h4>buf2d_draw</h4>
  110. <p>Ðèñóåò áóôåð íà ýêðàíå (ðàáîòàåò ÷åðåç ñèñòåìíóþ ô. 7). Ðèñóþòñÿ òîëüêî áóôåðà ñ ãëóáèíîé öâåòà 24 áèòà.</p>
  111.  
  112. <h4>buf2d_delete</h4>
  113. <p>Îñâîáîæäàåò ïàìÿòü çàíÿòóþ èçîáðàæåíèåì áóôåðà.</p>
  114.  
  115. <h4>buf2d_resize</h4>
  116. <p>Èçìåíÿåò ðàçìåðû áóôåðà. Ïîêà ïîääåðæèâàþòñÿ áóôåðà ñ ãëóáèíîé öâåòà 24 áèòà. Ïðèìåð:</p>
  117. <pre>stdcall [buf2d_resize], buf_0, 0,300 ;èçìåíÿåì âûñîòó áóôåðà</pre>
  118. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ ëèíèÿ; 0 - íîâàÿ øèðèíà áóôåðà (0 îçíà÷àåò íå èçìåíÿòü ðàçìåð); 300 - íîâàÿ âûñîòà áóôåðà.</p>
  119.  
  120. <h4>buf2d_line</h4>
  121. <p>Ðèñóåò â áóôåðå ëèíèþ ñ çàäàííûì öâåòîì è êîîðäèíàòàìè. Ïðèìåð:</p>
  122. <pre>stdcall [buf2d_line], buf_0, 30,10, 110,70, 0xffff00 ;ðèñóåì ëèíèþ</pre>
  123. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ ëèíèÿ; 30, 10, 110, 70 - êîîðäèíàòû ëèíèè; 0xffff00 - öâåò ëèíèè.</p>
  124. <p>Äëÿ ðèñîâàíèÿ ñãëàæåííîé ëèíèè èñïîëüçóéòå <b>buf2d_line_sm</b>.</p>
  125.  
  126. <h4>buf2d_line_sm</h4>
  127. <p>Ðèñóåò â áóôåðå ëèíèþ ïðèíèìàåò òàêèæå ïàðàìåòðû êàê è ôóíêöèÿ <b>buf2d_line</b>. Äàííàÿ ôóíêöèÿ ðèñóåò ñãëàæåííóþ ëèíèþ áîëåå êðàñèâóþ ÷åì <b>buf2d_line</b>, íî ðàáîòàåò ìåäëåííåå íå¸ çà ñ÷åò âû÷èñëåíèÿ ñìåøàííûõ öâåòîâ ôîíà è ñàìîé ëèíèè.</p>
  128.  
  129. <h4>buf2d_rect_by_size</h4>
  130. <p>Ðèñóåò ïðÿìîóãîëüíóþ ðàìêó, ïî äâóì êîîðäèíàòàì, 2-ÿ êîîðäèíàòà çàäàíà ïî ðàçìåðó.</p>
  131. <pre>stdcall [buf2d_rect_by_size], buf_0, 10,10,150,100, 0x8080</pre>
  132. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ ïðÿìîóãîëüíèê; 10, 10 - êîîðäèíàòû ëåâîãî âåðõíåãî óãëà; 150, 100 - ðàçìåð ïðÿìîóãîëüíèêà; 0x8080 - öâåò ëèíèè.</p>
  133.  
  134. <h4>buf2d_filled_rect_by_size</h4>
  135. <p>Ðèñóåò çàêðàøåííûé ïðÿìîóãîëüíèê, ïî äâóì êîîðäèíàòàì, 2-ÿ êîîðäèíàòà çàäàíà ïî ðàçìåðó. Åñëè ðàçìåð çàäàòü 1*1, òî áóäåò íàðèñîâàíà òî÷êà ðàçìåðîì â 1 ïèêñåëü, ò.å. ðàçìåð ïðÿìîóãîëüíèêà â ïèêñåëÿõ áóäåò ðàâåí óêàçàííîìó.</p>
  136. <pre>stdcall [buf2d_rect_by_size], buf_0, 10,10,150,100, 0x8080</pre>
  137. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ ïðÿìîóãîëüíèê; 10, 10 - êîîðäèíàòû ëåâîãî âåðõíåãî óãëà; 150, 100 - ðàçìåð ïðÿìîóãîëüíèêà; 0x8080 - öâåò ïðÿìîóãîëèêà.</p>
  138.  
  139. <h4>buf2d_circle</h4>
  140. <p>Ðèñóåò â áóôåðå îêðóæíîñòü ñ çàäàííûì öâåòîì è ðàäèóñîì. Ïðèìåð:</p>
  141. <pre>stdcall [buf2d_circle], buf_0, 25, 70, 15, 0xff0000</pre>
  142. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ îêðóæíîñòü; 25, 70 - êîîðäèíàòû öåíòðà; 15 - ðàäèóñ; 0xff0000 - öâåò.</p>
  143.  
  144. <h4>buf2d_img_hdiv2</h4>
  145. <p>Ñæèìàåò èçîáðàæåíèå â áóôåðå ïî âûñîòå â 2 ðàçà, ïðè ýòîì ðàçìåð ñàìîãî áóôåðà íå óìåíüøàåòñÿ.</p>
  146.  
  147. <h4>buf2d_img_wdiv2</h4>
  148. <p>Ñæèìàåò èçîáðàæåíèå â áóôåðå ïî øèðèíå â 2 ðàçà, ïðè ýòîì ðàçìåð ñàìîãî áóôåðà íå óìåíüøàåòñÿ.</p>
  149.  
  150. <h4>buf2d_conv_24_to_8</h4>
  151. <p>Ïðåîáðàçîâàíèå áóôåðà èç 24-áèòíîãî â 8-áèòíûé.
  152.  Ïðè ïðåîáðàçîâàíèè óêàçûâàåòñÿ êàêîé öâåò áåðàòü: 0-ñèíèé, 1-çåëåíûé, 2-êðàñíûé.
  153.  Îñòàëüíûå öâåòà ïðè ïðåîáðàçîâàíèè òåðÿþòñÿ.</p>
  154.  
  155. <h4>buf2d_conv_24_to_32</h4>
  156. <p>Ïðåîáðàçîâàíèå áóôåðà èç 24-áèòíîãî â 32-áèòíûé.
  157.  Ïðè ïðåîáðàçîâàíèè óêàçûâàåòñÿ òàêæå 8-áèòíûé áóôåð, êîòîðûé áóäåò èñïîëüçîâàí äëÿ ñîçäàíèÿ àëüôà êàíàëà. Ïðèìåð:</p>
  158. <pre>stdcall [buf2d_conv_24_to_32],buf_a,buf_b ;äåëàåì áóôåð rgba 32áèò</pre>
  159. <p>Äî âûïîëíåíèÿ ôóíêöèè áóôåð buf_a äîëæåí áûòü 24 áèòíûì, à áóôåð buf_b - 8 áèòíûì.
  160.  Ïîñëå âûïîëíåíèÿ ôóíêöèè áóôåð buf_a ñòàíåò 32 áèòíûì, áóôåð buf_b íå èçìåíèòñÿ.</p>
  161.  
  162. <h4>buf2d_bit_blt</h4>
  163. <p>Ðèñóåò â áóôåðå èçîáðàæåíèå èç äðóãîãî áóôåðà â óêàçàííûõ êîîðäèíàòàõ. Áóôåð â êîòîðîì ðèñóò (ïðèåìíèê) äîëæåí áûòü 24 áèòíûì, à òîò êîòîðûé ðèñóåòñÿ (èñòî÷íèê) 24 èëè 32 áèòíûì. Åñëè áóôåð èñòî÷íèê 32 áèòíûé, òî åãî ïðîçðà÷íîñòü ïðè ðèñîâàíèè íå ó÷èòûâàåòñÿ, äëÿ ó÷åòà ïðîçðà÷íîñòè èñïîëüçóåòñÿ ôóíêöèÿ <i>buf2d_bit_blt_transp</i>. Ïðèìåð:</p>
  164. <pre>stdcall [buf2d_bit_blt], buf_0, 50,30, buf_1 ;ïðîðèñîâêà ñðåäíåãî ñêèíà</pre>
  165. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ èçîáðàæåíèå (ïðèåìíèê);
  166.   buf_1 - ñòðóêòóðà áóôåðà ñ ðèñóåìûì èçîáðàæåíèåì (èñòî÷íèê);
  167.   50,30 - êîîðäèíàòû äëÿ âûâîäà èçîáðàæåíèÿ, îïðåäåëÿþò ïîëîæåíèå ðèñóåìîé êàðòèíêè â buf_0.</p>
  168.  
  169. <h4>buf2d_bit_blt_transp</h4>
  170. <p>Ðèñóåò â áóôåðå èçîáðàæåíèå èç äðóãîãî áóôåðà â óêàçàííûõ êîîðäèíàòàõ, ïðè ýòîì ó÷èòûâàåòñÿ ïðîçðà÷íîñòü.
  171.  Áóôåð êîòîðûé áóäåò íàðèñîâàí äîëæåí áûòü 32 áèòíûì, à òîò â êîòîðîì ðèñóþò 24 áèòíûì.</p>
  172.  
  173. <h4>buf2d_bit_blt_alpha</h4>
  174. <p>Ðèñóåò â áóôåðå èçîáðàæåíèå èç äðóãîãî áóôåðà â óêàçàííûõ êîîðäèíàòàõ, ïðè ýòîì ó÷èòûâàåòñÿ ïðîçðà÷íîñòü.
  175.  Áóôåð êîòîðûé áóäåò íàðèñîâàí äîëæåí áûòü 8 áèòíûì, à òîò â êîòîðîì ðèñóþò 24 áèòíûì.</p>
  176.  
  177. <h4>buf2d_curve_bezier</h4>
  178. <p>Ðèñóåò ïî òðåì òî÷êàì îòðåçîê êðèâîé áåçüå.</p>
  179.  
  180. <h4>buf2d_convert_text_matrix</h4>
  181. <p>Ïðåîáðàçóåò ìàòðèöó ñ òåêñòîì ðàçìåðîì 16*16 â ðàçìåð 1*256. Íåîáõîäèìî äëÿ ñîçäàíèÿ ìàòðèöû äëÿ ðèñîâàíèÿ òåêñòà. Ïåðåä èñïîëüçîâàíèåì äàííîé ôóíêöèè ïðåäïîëàãàåòñÿ ÷òî åñòü èçîáðàæåíèå ñ ïîëíûì íàáîðîì ñèìâîëîâ ðàçìåðîì 16 ñòîëáöîâ íà 16 ñòðîê, èç êîòîðîãî ïðåäâàðèòåëüíî áûë ñîçäàí 8 áèòíûé áóôåð.</p>
  182. <pre>stdcall [buf2d_create_f_img], buf_1,[image_data] ;ñîçäàåì áóôåð 24 áèò íà îñíîâå äàííûõ èçîáðàæåíèÿ
  183. stdcall [buf2d_conv_24_to_8], buf_1,1 ;äåëàåì áóôåð ïðîçðà÷íîñòè 8 áèò
  184. stdcall [buf2d_convert_text_matrix], buf_1</pre>
  185. <p>ãäå buf_1 - ñòðóêòóðà áóôåðà äëÿ ôîðìèðîâàíèÿ òåêñòîâîé ìàòðèöû;
  186.   image_data - äàííûå èçîáðàæåíèÿ òåêñòîâîé ìàòðèöû â ôîðìàòå rgb, ðàçìåðîì 16*16 ñèìâîëîâ.</p>
  187.  
  188. <h4>buf2d_draw_text</h4>
  189. <p>Ðèñóåò òåêñò â áóôåðå, èñïîëüçóÿ ìàòðèöó ñ òåêñòîì ðàçìåðîì 1*256 ñèìâîëîâ. Ïðèìåð:</p>
  190. <pre>stdcall [buf2d_draw_text], buf_0, buf_1,some_text,20,10,0x4040ff ;ðèñóåì ñòðîêó ñ òåêñòîì</pre>
  191. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà â êîòîðîì áóäåò ðèñîâàòüñÿ òåêñò;
  192.   buf_1 - ñòðóêòóðà áóôåðà ñ òåêñòîâîé ìàòðèöåé â ôîðìàòå 8 áèò, ðàçìåðîì 1*256 ñèìâîëîâ;
  193.   some_text - òåêñò, êîòîðûé áóäåò âûâåäåí â áóôåð buf_0.</p>
  194.  
  195. <h4>buf2d_crop_color</h4>
  196. <p>Îáðåçàíèå áóôåðà, ïî óêàçàííîìó öâåòó. Ôóíêöèÿ èñïîëüçóåòñÿ äëÿ óìåíüøåíèÿ ïàìÿòè, çàíèìàåìîé áóôåðîì. Îòðåçàþòñÿ êðàéíèå ÷àñòè áóôåðà èìåþùèå îäèíàêîâûé öâåò. Ïðèìåð:</p>
  197. <pre>stdcall [buf2d_crop_color], buf_0,0xffffff,BUF2D_OPT_CROP_TOP+BUF2D_OPT_CROP_BOTTOM</pre>
  198. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà êîòîðûé áóäåò îáðåçàí;
  199.   0xffffff - öâåò ïî êîòîðîìó áóäåò îáðåçàòüñÿ áóôåð;
  200.   BUF2D_OPT_CROP_TOP è BUF2D_OPT_CROP_BOTTOM - êîíñòàíòû, óêàçûâàþùèå ñ êàêèõ ñòîðîí îáðåçàòü áóôåð.</p>
  201.  
  202. <h4>buf2d_offset_h</h4>
  203. <p>Ñäâèã èçîáðàæåíèÿ â áóôåðå ïî âûñîòå ââåðõ èëè âíèç.</p>
  204.  
  205. <h4>buf2d_flood_fill</h4>
  206. <p>Ôóíêöèÿ äëÿ ðåêóðñèâíîé çàëèâêè âûáðàííûì öâåòîì. Èìååòüñÿ äâà âàðèàíòà çàëèâêè. Ïðèìåð:</p>
  207. <pre>stdcall [buf2d_flood_fill], buf_0, 100,200, 0, 0xff,0xff0000</pre>
  208. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà;
  209.   100,200 - êîîðäèíàòû òî÷êè, ñ êîòîðîé íà÷íåòñÿ çàëèâêà;
  210.   0 - ïàðàìåòð, îïðåäåëÿåò àëãîðèòì çàëèâêè (ìîæåò áûòü 0 èëè 1);
  211.   0xff - öâåò çàëèâêè;</p>
  212.   0xff0000 - çàâèñèò îò çíà÷åíèÿ 4-ãî ïàðàìåòðà, 1) åñëè 0 - öâåò äî êîòîðîãî áóäåò çàëèâàòüñÿ îáëàñòü; 2) åñëè 1 - öâåò îáëàñòè êîòîðàÿ áóäåò çàëèâàòñÿ;</p>
  213.  
  214. <h4>buf2d_set_pixel</h4>
  215. <p>Ôóíêöèÿ ñòàâèò òî÷êó, ïðèíèìàåò êîîðäèíàòû è öâåò. Ðàáîòàåò íà 24-áèòíûõ áóôåðàõ.</p>
  216. <pre>stdcall [buf2d_set_pixel], buf_0, 100,150, 0xff0000</pre>
  217. <p>ãäå buf_0 - ñòðóêòóðà áóôåðà;
  218.   100,150 - êîîðäèíàòû òî÷êè;
  219.   0xff0000 - öâåò òî÷êè.</p>
  220.  
  221. <h1><a name="const">Êîíñòàíòû</a></h1>
  222. <h4>BUF2D_OPT_CROP_TOP equ 1</h4>
  223. <p>Êîíñòàíòà äëÿ ôóíêöèè buf2d_crop_color, îáîçíà÷àåò îáðåçêó áóôåðà ñâåðõó</p>
  224. <h4>BUF2D_OPT_CROP_LEFT equ 2</h4>
  225. <p>Êîíñòàíòà äëÿ ôóíêöèè buf2d_crop_color, îáîçíà÷àåò îáðåçêó áóôåðà ñëåâà</p>
  226. <h4>BUF2D_OPT_CROP_BOTTOM equ 4</h4>
  227. <p>Êîíñòàíòà äëÿ ôóíêöèè buf2d_crop_color, îáîçíà÷àåò îáðåçêó áóôåðà ñíèçó</p>
  228. <h4>BUF2D_OPT_CROP_RIGHT equ 8</h4>
  229. <p>Êîíñòàíòà äëÿ ôóíêöèè buf2d_crop_color, îáîçíà÷àåò îáðåçêó áóôåðà ñïðàâà</p>
  230.  
  231. <h1><a name="tabl_e">Òàáëèöà ýêñïîðòà</a></h1>
  232. <p>Ïðèìåð òàáëèöû ýêñïîðòà, ðàñ÷èòàííîé íà èñïîëüçîâàíèå ìàêðîñà <b>@use_library_mem</b>:</p>
  233. <pre>align 4
  234. import_buf2d_lib:
  235.         dd sz_lib_init
  236.         buf2d_create dd sz_buf2d_create
  237.         buf2d_create_f_img dd sz_buf2d_create_f_img
  238.         buf2d_clear dd sz_buf2d_clear
  239.         buf2d_draw dd sz_buf2d_draw
  240.         buf2d_delete dd sz_buf2d_delete
  241.         buf2d_resize dd sz_buf2d_resize
  242.         buf2d_line dd sz_buf2d_line
  243.         buf2d_line_sm dd sz_buf2d_line_sm
  244.         buf2d_rect_by_size dd sz_buf2d_rect_by_size
  245.         buf2d_filled_rect_by_size dd sz_buf2d_filled_rect_by_size
  246.         buf2d_circle dd sz_buf2d_circle
  247.         buf2d_img_hdiv2 dd sz_buf2d_img_hdiv2
  248.         buf2d_img_wdiv2 dd sz_buf2d_img_wdiv2
  249.         buf2d_conv_24_to_8 dd sz_buf2d_conv_24_to_8
  250.         buf2d_conv_24_to_32 dd sz_buf2d_conv_24_to_32
  251.         buf2d_bit_blt dd sz_buf2d_bit_blt
  252.         buf2d_bit_blt_transp dd sz_buf2d_bit_blt_transp
  253.         buf2d_bit_blt_alpha dd sz_buf2d_bit_blt_alpha
  254.         buf2d_curve_bezier dd sz_buf2d_curve_bezier
  255.         buf2d_convert_text_matrix dd sz_buf2d_convert_text_matrix
  256.         buf2d_draw_text dd sz_buf2d_draw_text
  257.         buf2d_crop_color dd sz_buf2d_crop_color
  258.         buf2d_offset_h dd sz_buf2d_offset_h
  259.         buf2d_flood_fill dd sz_buf2d_flood_fill
  260.         buf2d_set_pixel dd sz_buf2d_set_pixel
  261.  
  262.         dd 0,0
  263.         sz_lib_init db 'lib_init',0
  264.         sz_buf2d_create db 'buf2d_create',0
  265.         sz_buf2d_create_f_img db 'buf2d_create_f_img',0
  266.         sz_buf2d_clear db 'buf2d_clear',0
  267.         sz_buf2d_draw db 'buf2d_draw',0
  268.         sz_buf2d_delete db 'buf2d_delete',0
  269.         sz_buf2d_resize db 'buf2d_resize',0
  270.         sz_buf2d_line db 'buf2d_line',0
  271.         sz_buf2d_line_sm db 'buf2d_line_sm',0
  272.         sz_buf2d_rect_by_size db 'buf2d_rect_by_size',0
  273.         sz_buf2d_filled_rect_by_size db 'buf2d_filled_rect_by_size',0
  274.         sz_buf2d_circle db 'buf2d_circle',0
  275.         sz_buf2d_img_hdiv2 db 'buf2d_img_hdiv2',0
  276.         sz_buf2d_img_wdiv2 db 'buf2d_img_wdiv2',0
  277.         sz_buf2d_conv_24_to_8 db 'buf2d_conv_24_to_8',0
  278.         sz_buf2d_conv_24_to_32 db 'buf2d_conv_24_to_32',0
  279.         sz_buf2d_bit_blt db 'buf2d_bit_blt',0
  280.         sz_buf2d_bit_blt_transp db 'buf2d_bit_blt_transp',0
  281.         sz_buf2d_bit_blt_alpha db 'buf2d_bit_blt_alpha',0
  282.         sz_buf2d_curve_bezier db 'buf2d_curve_bezier',0
  283.         sz_buf2d_convert_text_matrix db 'buf2d_convert_text_matrix',0
  284.         sz_buf2d_draw_text db 'buf2d_draw_text',0
  285.         sz_buf2d_crop_color db 'buf2d_crop_color',0
  286.         sz_buf2d_offset_h db 'buf2d_offset_h',0
  287.         sz_buf2d_flood_fill db 'buf2d_flood_fill',0
  288.         sz_buf2d_set_pixel db 'buf2d_set_pixel',0</pre>
  289.  
  290. <h1><a name="hist">Èñòîðèÿ</a></h1>
  291. <p>02.07.10 - ñàìàÿ ïåðâàÿ âåðñèÿ áèáëèîòåêè, 2 ïðèìåðà èñïîëüçîâàíèÿ.</p>
  292. <p>06.07.10 - ðàñøèðåíû âîçìîæíîñòè ôóíêöèè buf2d_bit_blt, òåïåðü îíà ìîæåò ðèñîâàòü 32 áèòíûå áóôåðû. Äîáàâëåíû 2 íîâûå ôóíêöèè: buf2d_bit_blt_alpha è buf2d_cruve_bezier. Íåáîëüøèå èçìåíåíèÿ â ôóíêöèè buf2d_line.</p>
  293. <p>16.07.10 - èñïðàâëåíî ïî 2 îøèáêè â ôóíêöèÿõ buf2d_img_hdiv2 è buf2d_img_wdiv2, êîòîðûå ìîãëè ïðîÿâëÿòüñÿ ïðè îïðåäåëåííûõ óñëîâèÿõ (åñëè ðàçìåð èçîáðàæåíèÿ áûë êðàòåí 4Êá è äð.). Äîáàâëåíû 2 ôóíêöèè äëÿ âûâîäà òåêñòà â áóôåð buf2d_convert_text_matrix è buf2d_draw_text.</p>
  294. <p>19.07.10 - äîáàâëåíà ôóíêöèÿ ðèñîâàíèÿ îêðóæíîñòè buf2d_circle;
  295.  èçìåíåí ôîðìàò áóôåðà - äëÿ øèðèíû è âûñîòû èñïîëüçóþòñÿ 4-õ áàéòíûå ÷èñëà âìåñòî 2-õ áàéòíûõ.</p>
  296. <p>29.07.10 - äîáàâëåíû ôóíêöèè buf2d_crop_color è buf2d_offset_h;
  297.  èñïðàâëåíèÿ â ôóíêöèè buf2d_delete.</p>
  298. <p>30.09.10 - äîáàâëåíà ôóíêöèÿ buf2d_rect_by_size.</p>
  299. <p>04.10.10 - äîáàâëåíà ôóíêöèÿ buf2d_filled_rect_by_size, äîðàáîòàíà ôóíêöèÿ buf_bit_blt_alpha.</p>
  300. <p>07.10.10 - äîðàáîòàíà ôóíêöèÿ buf_bit_blt (ïðè ïîïûòêå íàðèñîâàòü èçîáðàæåíèå çà ïðåäåëàìè ïðàâîãî êðàÿ áóôåðà ïðèëîæåíèå âûçâàâøåå ôóíêöèþ ïàäàëî).</p>
  301. <p>11.10.10 - èñïðàâëåíî çàäàíèå öâåòîâ â íåêîòîðûõ ôóíêöèÿõ, êðàñíûé è ñèíèé öâåòà ïîìåíÿë ìåñòàìè. Òåïåðü öâåòà ñîâïàäàþò ñ ñèñåìíûìè ôóíêöèÿìè.</p>
  302. <p>02.11.10 - äîáàâëåíà ôóíêöèÿ buf2d_flood_fill.</p>
  303. <p>22.12.10 - èçìåíåíî èìÿ ôóíêöèè buf2d_cruve_bezier íà buf2d_curve_bezier.</p>
  304. <p>25.03.11 - äîáàâëåíà ôóíêöèÿ äëÿ ðèñîâàíèÿ òî÷êè buf2d_set_pixel.</p>
  305. <p>30.08.11 - äîáàâëåíà ôóíêöèÿ èçìåíåíèÿ ðàçìåðîâ áóôåðà buf2d_resize.</p>
  306. <p>13.09.11 - îïòèìèçèðîâàíà ðàáîòà ôóíêöèé buf_filled_rect_by_size buf_rect_by_size, äîáàâëåíû ïðèìåðû èñïîëüçîâàíèÿ áèáëèîòåêè.</p>
  307. <p>22.09.11 - äîáàâëåíà ôóíêöèÿ buf2d_line_sm äëÿ ðèñîâàíèÿ ñãëàæåííîé ëèíèè.</ç>
  308.  </body>
  309. </html>