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* ImageColorAllocate
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* ImageFilledPolygon
* ImageFilledRectangle
* ImageFillToBorder
* ImageFontHeight
* ImageFontWidth
* ImageGIF
* ImagePng
* ImageJPEG
* ImageInterlace
* ImageLine
* ImageLoadFont
* ImagePolygon
* ImagePSBBox
* ImagePSEncodeFont
* ImagePSFreeFont
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* ImagePsExtendFont
* ImagePsSlantFont
* ImagePSText
* ImageRectangle
* ImageSetPixel
* ImageString
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* ImageSX
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Manual: ImageFilledRectangle
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Previous page
  ImageFilledPolygon
  Updated
Sun, 06 Aug 2000
 ImageFillToBorder 
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ImageFilledRectangle

(unknown)

ImageFilledRectangle -- Draw a filled rectangle

Description

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

ImageFilledRectangle() creates a filled rectangle of color col() in image im starting at upper left coordinates x1, y1 and ending at bottom right coordinates x2, y2. 0, 0 is the top left corner of the image.


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

 About Notes

Previous page
  ImageFilledPolygon
  Updated
Sun, 06 Aug 2000
 ImageFillToBorder 
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