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Manual: ImageFilledRectangle

ImageFilledPolygon

Updated
Sat, 12 Aug 2000

ImageFillToBorder

ImageFilledRectangle

(unknown)

ImageFilledRectangle -- 塗りつぶした矩形の描画

説明

int imagefilledrectangle (int im, int x1, int y1, int x2, int y2, int col)

ImageFilledRectangle()は、画像im 上に左上の座標を(x1, y1)、右下の座標を(x2, y2)とする矩形を描画します。左上隅が座標(0,0)となります。矩形はcol()色で塗りつぶされます。

User Contributed Notes: ImageFilledRectangle

domih@firstworld.net
06-Jul-2000 02:50

<br />The following example creates a clickable color and gray palettes. <br /> <br />Note: you must have a pngs directory at the document root level. <br /> <tt> <br /><script language="JavaScript"> <br /> <br /> var coRed=127;coGreen=127;coBlue=255; // Original color <br />  <br /> var Hex=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"); <br />  <br /> function rgb2hex(cRed,cGreen,cBlue){ <br />  cColor=Hex[Math.floor(cRed/16)]+Hex[cRed%16]+Hex[Math.floor(cGreen/16)]+Hex[cGreen%16]+Hex[Math.floor(cBlue/16)]+Hex[cBlue%16]; <br />  return cColor; <br /> } <br />  <br /> function ShowColor(cColor){ <br />  with (document){ <br />   // Do whatever you have to do here <br />  } <br /> }; <br />  <br /> function plttClick(cRed,cGreen,cBlue){ <br />   // Change the color <br />  coRed=cRed; <br />  coGreen=cGreen; <br />  coBlue=cBlue; <br />   // Replace the following line with your own code <br />  alert(cRed+','+cGreen+','+cBlue) <br /> } <br />  <br /> function plttOver(cRed,cGreen,cBlue){ <br />  ShowColor(rgb2hex(cRed,cGreen,cBlue)); <br />   // Add you own code here <br />  self.status='Red: '+cRed+' / Green: '+cGreen+' / Blue: '+cBlue; <br /> } <br />  <br /> function plttOut(){ <br />   // Restore original color <br />  ShowColor(rgb2hex(coRed,coGreen,coBlue)); <br />   // Add you own code here <br />  self.status='Click on the color of your choice'; <br /> } <br /> <br /></script> <br />  <br />  <br /><?php <br /> <br />  // -- Color Palette - <br />   <br />  $arColors[]=0;  // 0x00 <br />  $arColors[]=51;  // 0x33 <br />  $arColors[]=102; // 0x66 <br />  $arColors[]=153; // 0x99 <br />  $arColors[]=204; // 0xCC <br />  $arColors[]=255; // 0xFF <br />  $plttSize=Count($arColors); <br />  $cellWidth=12; <br />  $pic=ImageCreate($plttSize*$plttSize*($cellWidth+1),$plttSize*($cellWidth+1)); <br />  ImageFilledRectangle($pic,0,0,$plttSize*$plttSize*($cellWidth+1),$plttSize*($cellWidth+1),ImageColorAllocate($pic,255,255,255)); <br />  $cTop=0; <br />  print("<map name=\"color-pltt\">\n"); <br />  for($cRed=0;$cRed<$plttSize;$cRed++){ <br />   $cLeft=0; <br />   for($cGreen=0;$cGreen<$plttSize;$cGreen++){ <br />    for($cBlue=0;$cBlue<$plttSize;$cBlue++){ <br />     ImageFilledRectangle($pic,$cLeft,$cTop,$cLeft+$cellWidth-1,$cTop+$cellWidth-1,ImageColorAllocate($pic,$arColors[$cRed],$arColors[$cGreen],$arColors[$cBlue])); <br />     print("<area shape=\"rect\" coords=\"".$cLeft.",".$cTop.",".($cLeft+$cellWidth-1).",".($cTop+$cellWidth-1)."\" href=/old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2F%5C%26quot%3Bjavascript%3AplttClick%28%26quot%3B.%24arColors%5B%24cRed%5D.%26quot%3B%2C%26quot%3B.%24arColors%5B%24cGreen%5D.%26quot%3B%2C%26quot%3B.%24arColors%5B%24cBlue%5D.%26quot%3B%29%5C%26quot%3B&y=1999 onMouseOver=\"plttOver(".$arColors[$cRed].",".$arColors[$cGreen].",".$arColors[$cBlue].");return true;\" onMouseOut=\"plttOut();return true;\" />\n"); <br />     $cLeft=$cLeft+$cellWidth+1; <br />    } <br />   } <br />   $cTop=$cTop+$cellWidth+1; <br />  } <br />  print("</map>\n"); <br />  ImagePNG($pic,"./pngs/color-pltt.png"); <br />  ImageDestroy($pic); <br />   <br />  // -- Gray Palette - <br />   <br />  $plttSize=32; // Must be a divider of 256 <br />  $cellWidth=12; // Must be >0 <br />  $pic=ImageCreate(($plttSize+1)*($cellWidth+1),$cellWidth+1); <br />  ImageFilledRectangle($pic,0,0,$plttSize*($cellWidth+1),$cellWidth+1,ImageColorAllocate($pic,255,255,255)); <br />  $incRGB=floor(256/$plttSize); <br />  $cLeft=0; <br />  $cTop=0; <br />  print("<map name=\"gray-pltt\">\n"); <br />  for($cGray=0;$cGray<($plttSize+1);$cGray++){ <br />   if($cGray==0){ <br />    $grayRGB=0; <br />   } else { <br />    $grayRGB=($cGray*$incRGB)-1; <br />   } <br />   ImageFilledRectangle($pic,$cLeft,$cTop,$cLeft+$cellWidth-1,$cTop+$cellWidth-1,ImageColorAllocate($pic,$grayRGB,$grayRGB,$grayRGB)); <br />   print("<area shape=\"rect\" coords=\"".$cLeft.",".$cTop.",".($cLeft+$cellWidth-1).",".($cTop+$cellWidth-1)."\" href=/old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2F%5C%26quot%3Bjavascript%3AplttClick%28%26quot%3B.%24grayRGB.%26quot%3B%2C%26quot%3B.%24grayRGB.%26quot%3B%2C%26quot%3B.%24grayRGB.%26quot%3B%29%5C%26quot%3B&y=1999 onMouseOver=\"plttOver(".$grayRGB.",".$grayRGB.",".$grayRGB.");return true;\" onMouseOut=\"plttOut();return true;\" />\n"); <br />   $cLeft=$cLeft+$cellWidth+1; <br />  } <br />  print("</map>\n"); <br />  ImagePNG($pic,"./pngs/gray-pltt.png"); <br />  ImageDestroy($pic); <br />?> <br />   <br /><p>Color Palette</p> <br /><img src=/old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2F%26quot%3B.%2Fpngs%2Fcolor-pltt.png%26quot&y=1999 usemap="#color-pltt" border="0" /> <br /><p>Gray Palette</p> <br /><img src=/old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2F%26quot%3B.%2Fpngs%2Fgray-pltt.png%26quot&y=1999 usemap="#gray-pltt" border="0" /> <br /></tt> <br />

ImageFilledPolygon

Updated
Sat, 12 Aug 2000

ImageFillToBorder

Located in
United States

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