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+ 2 * $ fw, $ ly + 13, $ clrt, "D:/wamp/www/source/font/simhei. ttf ", $ str. ":". $ dataArr [$ I]. "(". (round (10000 * ($ dataArr [$ I]/$ tot)/100 ). "% )"); $ Ly + = $ fh + 2; } // Draw the image title Imagettftext ($ img, 15, 0, 5, 15, $ clrt, "D:/wamp/www/source/font/simhei. ttf ", iconv (" GB2312 "," UTF-8 ", $ title )); // Output image Header ("Content-type: image/png "); // Output the generated image $ ImgFileName = "./". time (). ". png "; I

Drag and Drop a wall on the canvas, and use the arrow keys to control the movement of the polygon between top, bottom, and left. The wall cannot be moved forward. The following describes the problems to be solved and the specific implementation code, interested friends can learn about the game. Drag and Drop the canvas to add a wall and use the arrow keys to control the movement of the polygon between top, bottom, and left. When a wall is displayed, the polygon cannot move forward. Problems

the bitmap on the View zoom and translation transformation, and matrix object is the implementation of the image geometric transformation in Android matrices, support translation, amplification, reduction, error cutting, rotation and other common operations.Update and display of bitmap objects in viewBy overloading the OnDraw method, the canvas implementation is used to draw the bitmap object, and the refresh of the view is implemented through the View.invalidate () method.The important methods

TransformTransform: Set deformation, add browser prefix-o-;-webkit-;-moz-, etc., have the following deformation functionTranslate(TX [, Ty]): The component moves up the TX horizontally, vertically up ty distanceTranslateX(TX): The component moves the TX distance horizontallyTranslatey(TY): The component moves the Ty distance vertically Scale(Sx,sy): The scale is SX on the scale, the vertical scale is sy;sy,

($img, 5, $ly, 5+ $fw, $ly + $fh, $COLORARR [$i]); Imagerectangle ($img, 5, $ly, 5+ $fw, $ly + $fh, $CLRT); Chinese transcoding $str = Iconv ("GB2312", "UTF-8", $labelArr [$i]); Imagettftext ($img, $font, 0, 5+2* $FW, $ly +13, $CLRT, "D:/wamp/www/source/font/simhei.ttf", $str. ":". $DATAARR [$i]. " (". (Round (10000* ($dataArr [$i]/$tot)/100) "%)"); $ly + = $fh +2; } Draw a picture title Imagettftext ($img, 0, 5, $CLRT, "D:/wamp/www/source/font/simhei.ttf", Iconv ("GB2312", "UTF-8", $title)); O

{ Draw_sector ($ img, $ ox, $ oy, $ a, $ B, $ sd, $ ed, $ clr ); If ($ sd { List ($ R, $ G, $ B) = draw_getdarkcolor ($ img, $ clr ); $ Clr = imagecolorallocate ($ img, $ R, $ G, $ B ); If ($ ed> 180) $ ed = 180; List ($ sx, $ sy) = draw_getexy ($ a, $ B, $ sd ); $ Sx + = $ ox; $ Sy + = $ oy; List ($ ex, $ ey) = draw_getexy ($ a, $ B, $ ed ); $ Ex + = $ ox; $ Ey + = $ oy; Imageline ($ img, $

); If ($ sd { List ($ R, $ G, $ B) = draw_getdarkcolor ($ img, $ clr ); $ Clr = imagecolorallocate ($ img, $ R, $ G, $ B ); If ($ ed> 180) $ ed = 180; List ($ sx, $ sy) = draw_getexy ($ a, $ B, $ sd ); $ Sx + = $ ox; $ Sy + = $ oy; List ($ ex, $ ey) = draw_getexy ($ a, $ B, $ ed ); $ Ex + = $ ox; $ Ey + = $ oy; Imageline ($ img, $ sx, $ sy, $

); $x 0= $x; $y 0= $y; } } function Chx_sector ($img, $ox, $oy, $a, $b, $SD, $ed, $CLR) {//Draw slices $n =ceil (($ed-$SD)/angle_step); $d = $SD; List ($x 0, $y 0) =chx_getexy ($a, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); for ($i =0; $i $d = ($d +angle_step) > $ed $ed:($d +angle_step); List ($x, $y) =chx_getexy ($a, $b, $d); Imageline ($img, $x 0+ $ox, $y 0+ $oy, $x + $ox, $y + $oy, $CLR); $x 0= $x; $y 0= $y; } Imageline ($img, $x 0+ $ox, $y 0+ $oy, $ox, $oy, $CLR); List

("GB2312", "UTF-8", $title)); Output graphics Header ("Content-type:image/png"); Output the resulting picture $imgFileName = "./". Time (). ". PNG "; Imagepng ($img, $imgFileName); return $imgFileName; } /** * Draw 3d Slices */ function Draw3dsector ($img, $ox, $oy, $a, $b, $v, $SD, $ed, $CLR) { Drawsector ($img, $ox, $oy, $a, $b, $SD, $ed, $CLR); if ($sd List ($red, $green, $blue) = Drawdarkcolor ($img, $CLR); assignin

) $ ed = 180;List ($ sx, $ sy) = chx_getexy ($ a, $ B, $ sd );$ Sx + = $ ox;$ Sy + = $ oy;List ($ ex, $ ey) = chx_getexy ($ a, $ B, $ ed );$ Ex + = $ ox;$ Ey + = $ oy;Imageline ($ img, $ sx, $ sy, $ sx, $ sy + $ v, $ clr );Imageline ($ img, $ ex, $ ey, $ ex, $ ey + $ v, $ clr );Chx_arc ($ img, $ ox, $ oy + $ v, $ a, $