diff options
author | Jean-François Milants <jf@codingfield.com> | 2021-01-20 21:34:21 +0100 |
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committer | Jean-François Milants <jf@codingfield.com> | 2021-01-20 21:34:21 +0100 |
commit | 6d8513938764fe1f9818d562bf1a45498aa87a30 (patch) | |
tree | 419bfe41495e6a2e56334db41990ba2fb6d33f16 /src/displayapp/icons/navigation/img_conv_core.php | |
parent | a0f2fa8469f3a2c0f5f2f914ad174029da321cc0 (diff) | |
parent | 522a1eb0beaabb607b1f123993ec2f09be8a775b (diff) |
Merge branch 'piggz-nav' into develop
Diffstat (limited to 'src/displayapp/icons/navigation/img_conv_core.php')
-rw-r--r-- | src/displayapp/icons/navigation/img_conv_core.php | 822 |
1 files changed, 822 insertions, 0 deletions
diff --git a/src/displayapp/icons/navigation/img_conv_core.php b/src/displayapp/icons/navigation/img_conv_core.php new file mode 100644 index 00000000..f12b76e0 --- /dev/null +++ b/src/displayapp/icons/navigation/img_conv_core.php @@ -0,0 +1,822 @@ +<?php + +class Converter { + var $dith; /*Dithering enable/disable*/ + var $w; /*Image width*/ + var $h; /*Image height*/ + var $cf; /*Color format*/ + var $alpha; /*Add alpha byte or not*/ + var $chroma; /*Chroma keyed?*/ + var $d_out; /*Output data (result)*/ + var $img; /*Image resource*/ + var $out_name; /*Name of the output file*/ + var $path; /*Path to the image file*/ + + /*Helper variables*/ + var $r_act; + var $b_act; + var $g_act; + + /*For dithering*/ + var $r_earr; /*Classification error for next row of pixels*/ + var $g_earr; + var $b_earr; + + var $r_nerr; /*Classification error for next pixel*/ + var $g_err; + var $b_nerr; + + const CF_TRUE_COLOR_332 = 0; /*Helper formats. Used internally*/ + const CF_TRUE_COLOR_565 = 1; + const CF_TRUE_COLOR_565_SWAP = 2; + const CF_TRUE_COLOR_888 = 3; + const CF_ALPHA_1_BIT = 4; + const CF_ALPHA_2_BIT = 5; + const CF_ALPHA_4_BIT = 6; + const CF_ALPHA_8_BIT = 7; + const CF_INDEXED_1_BIT = 8; + const CF_INDEXED_2_BIT = 9; + const CF_INDEXED_4_BIT = 10; + const CF_INDEXED_8_BIT = 11; + const CF_RAW = 12; + const CF_RAW_ALPHA = 13; + const CF_RAW_CHROMA = 12; + + const CF_TRUE_COLOR = 100; /*Helper formats is C arrays contains all treu color formats (usin in "download")*/ + const CF_TRUE_COLOR_ALPHA = 101; + const CF_TRUE_COLOR_CHROMA = 102; + + /** + * @param path the image file + * @param real_name the real image file name (different in online mode) + * @param out_name name of the output file + * @param dith 1: dither enabled; 0: disabled + * @param cf color format + */ + function __construct ($path, $real_name, $out_name ,$dith, $cf) { + + $this->dith = $dith; + $this->out_name = $out_name; + $this->path = $path; + + if($cf == "raw" || $cf == "raw_alpha" || $cf == "raw_chroma") return; + + $size = getimagesize($path); + $this->w = $size[0]; + $this->h = $size[1]; + + $ext = pathinfo($real_name, PATHINFO_EXTENSION); + if(!strcmp(strtolower($ext), "png")) $this->img = imagecreatefrompng($path); + else if(!strcmp(strtolower($ext), "bmp")) $this->img = imagecreatefrombmp($path); + else if(!strcmp(strtolower($ext), "jpg")) $this->img = imagecreatefromjpeg($path); + else if(!strcmp(strtolower($ext), "jpeg")) $this->img = imagecreatefromjpeg($path); + else { + echo("$ext is a not supported image type. use png, jpg, jpeg or bmp"); + exit(1); + } + + $this->r_earr = array(); /*Classification error for next row of pixels*/ + $this->g_earr = array(); + $this->b_earr = array(); + + if($this->dith) { + for($i = 0; $i < $this->w + 2; ++$i){ + $this->r_earr[$i] = 0; + $this->g_earr[$i] = 0; + $this->b_earr[$i] = 0; + } + } + + $this->r_nerr = 0; /*Classification error for next pixel*/ + $this->g_nerr = 0; + $this->b_nerr = 0; + } + + function convert($cf, $alpha = 0) { + $this->cf = $cf; + $this->d_out = array(); + $this->alpha = $alpha; + + if($this->cf == self::CF_RAW || $this->cf == self::CF_RAW_ALPHA || $this->cf == self::CF_RAW_CHROMA) { + $myfile = fopen($this->path, "r") or die("Unable to open file!"); + $this->d_out = unpack('C*', fread($myfile, filesize($this->path))); + fclose($myfile); + return; + } + + $palette_size = 0; + if($this->cf == self::CF_INDEXED_1_BIT) $palette_size = 2; + if($this->cf == self::CF_INDEXED_2_BIT) $palette_size = 4; + if($this->cf == self::CF_INDEXED_4_BIT) $palette_size = 16; + if($this->cf == self::CF_INDEXED_8_BIT) $palette_size = 256; + + if($palette_size) { + $img_tmp = imagecreatetruecolor($this->w, $this->h); + imagecopy ($img_tmp, $this->img, 0 , 0 , 0 , 0, $this->w , $this->h); + imagetruecolortopalette($this->img, false, $palette_size); + $real_palette_size = imagecolorstotal($this->img); /*The real number of colos in the image's palette*/ + for($i = 0; $i < $palette_size; $i++) { + if($i < $real_palette_size) { + $c = imagecolorsforindex ($this->img , $i); + array_push($this->d_out, $c['blue'], $c['green'], $c['red'], 0xFF); + } else { + array_push($this->d_out, 0xFF, 0xFF, 0xFF, 0xFF); + } + } + } + + /*Convert all the pixels*/ + for($y = 0; $y < $this->h; $y++) { + $this->dith_reset(); + + for($x = 0; $x < $this->w; ++$x){ + $this->conv_px($x, $y); + } + } + + /*Revert the original image if it was converted to indexed*/ + if($palette_size) { + imagecopy ($this->img, $img_tmp, 0 , 0 , 0 , 0 , $this->w , $this->h); + } + } + + function format_to_c_array() { + + $c_array = ""; + $i = 0; + $y_end = $this->h; + $x_end = $this->w; + + if($this->cf == self::CF_TRUE_COLOR_332) { + $c_array .= "\n#if LV_COLOR_DEPTH == 1 || LV_COLOR_DEPTH == 8"; + if(!$this->alpha) $c_array .= "\n /*Pixel format: Blue: 2 bit, Green: 3 bit, Red: 3 bit*/"; + else $c_array .= "\n /*Pixel format: Blue: 2 bit, Green: 3 bit, Red: 3 bit, Alpha 8 bit */"; + } else if($this->cf == self::CF_TRUE_COLOR_565) { + $c_array .= "\n#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP == 0"; + if(!$this->alpha) $c_array .= "\n /*Pixel format: Blue: 5 bit, Green: 6 bit, Red: 5 bit*/"; + else $c_array .= "\n /*Pixel format: Blue: 5 bit, Green: 6 bit, Red: 5 bit, Alpha 8 bit*/"; + } else if($this->cf == self::CF_TRUE_COLOR_565_SWAP) { + $c_array .= "\n#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP != 0"; + if(!$this->alpha) $c_array .= "\n /*Pixel format: Blue: 5 bit, Green: 6 bit, Red: 5 bit BUT the 2 bytes are swapped*/"; + else $c_array .= "\n /*Pixel format: Blue: 5 bit Green: 6 bit, Red: 5 bit, Alpha 8 bit BUT the 2 color bytes are swapped*/"; + } else if($this->cf == self::CF_TRUE_COLOR_888) { + $c_array .= "\n#if LV_COLOR_DEPTH == 32"; + if(!$this->alpha) $c_array .= "\n /*Pixel format: Blue: 8 bit, Green: 8 bit, Red: 8 bit, Fix 0xFF: 8 bit, */"; + else $c_array .= "\n /*Pixel format: Blue: 8 bit, Green: 8 bit, Red: 8 bit, Alpha: 8 bit*/"; + } else if($this->cf == self::CF_INDEXED_1_BIT) { + $c_array .= "\n"; + for($p = 0; $p < 2; $p ++) { + $c_array .= " 0x" . str_pad(dechex($this->d_out[$p * 4 + 0]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 1]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 2]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 3]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "\t/*Color of index $p*/\n"; + } + + $i = $p * 4; + } + else if($this->cf == self::CF_INDEXED_2_BIT) { + $c_array .= "\n"; + for($p = 0; $p < 4; $p ++) { + $c_array .= " 0x" . str_pad(dechex($this->d_out[$p * 4 + 0]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 1]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 2]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 3]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "\t/*Color of index $p*/\n"; + } + + $i = $p * 4; + } + else if($this->cf == self::CF_INDEXED_4_BIT) { + $c_array .= "\n"; + for($p = 0; $p < 16; $p ++) { + $c_array .= " 0x" . str_pad(dechex($this->d_out[$p * 4 + 0]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 1]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 2]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 3]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "\t/*Color of index $p*/\n"; + } + + $i = $p * 4; + } + else if($this->cf == self::CF_INDEXED_8_BIT) { + $c_array .= "\n"; + for($p = 0; $p < 256; $p ++) { + $c_array .= " 0x" . str_pad(dechex($this->d_out[$p * 4 + 0]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 1]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 2]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "0x" . str_pad(dechex($this->d_out[$p * 4 + 3]), 2, '0', STR_PAD_LEFT) . ", "; + $c_array .= "\t/*Color of index $p*/\n"; + } + + $i = $p * 4; + } + else if($this->cf == self::CF_RAW || $this->cf == self::CF_RAW_ALPHA || $this->cf == self::CF_RAW_CHROMA) { + $y_end = 1; + $x_end = count($this->d_out); + $i = 1; + } + + + for($y = 0; $y < $y_end; $y++) { + $c_array .= "\n "; + for($x = 0; $x < $x_end; $x++) { + if($this->cf == self::CF_TRUE_COLOR_332) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + if($this->alpha) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + } + else if($this->cf == self::CF_TRUE_COLOR_565 || $this->cf == self::CF_TRUE_COLOR_565_SWAP) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + if($this->alpha) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + } + else if($this->cf == self::CF_TRUE_COLOR_888) { + + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; $i++; + } + else if($this->cf == self::CF_ALPHA_1_BIT || $this->cf == self::CF_INDEXED_1_BIT) { + if(($x & 0x7) == 0) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + } + else if($this->cf == self::CF_ALPHA_2_BIT || $this->cf == self::CF_INDEXED_2_BIT) { + if(($x & 0x3) == 0) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + } + else if($this->cf == self::CF_ALPHA_4_BIT || $this->cf == self::CF_INDEXED_4_BIT) { + if(($x & 0x1) == 0) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + } + else if($this->cf == self::CF_ALPHA_8_BIT || $this->cf == self::CF_INDEXED_8_BIT) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + $i++; + } + else if($this->cf == self::CF_RAW || $this->cf == self::CF_RAW_ALPHA || $this->cf == self::CF_RAW_CHROMA) { + $c_array .= "0x" . str_pad(dechex($this->d_out[$i]), 2, '0', STR_PAD_LEFT) . ", "; + if($i != 0 && (($i % 16) == 0)) $c_array .= "\n "; + $i++; + } + } + } + + if($this->cf == self::CF_TRUE_COLOR_332 || $this->cf == self::CF_TRUE_COLOR_565 || $this->cf == self::CF_TRUE_COLOR_565_SWAP || $this->cf == self::CF_TRUE_COLOR_888) { + $c_array .= "\n#endif"; + } + + return $c_array; + + } + + function get_c_header() { + $c_header ="#if defined(LV_LVGL_H_INCLUDE_SIMPLE) +#include \"lvgl.h\" +#else +#include \"../lvgl/lvgl.h\" +#endif + + +#ifndef LV_ATTRIBUTE_MEM_ALIGN +#define LV_ATTRIBUTE_MEM_ALIGN +#endif + +"; + $attr_name = "LV_ATTRIBUTE_IMG_" . strtoupper($this->out_name); + $c_header .= +"#ifndef $attr_name +#define $attr_name +#endif + +const LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST $attr_name uint8_t " . $this->out_name . "_map[] = {"; + + return $c_header; + } + + function get_c_footer($cf) { + $c_footer = + "\n};\n +const lv_img_dsc_t " . $this->out_name . " = { + .header.always_zero = 0, + .header.w = " . $this->w . ", + .header.h = " . $this->h . ",\n"; + + if($cf == self::CF_TRUE_COLOR) $c_footer .= " .data_size = " . $this->w * $this->h . " * LV_COLOR_SIZE / 8,\n .header.cf = LV_IMG_CF_TRUE_COLOR,"; + else if($cf == self::CF_TRUE_COLOR_ALPHA) $c_footer .= " .data_size = " . $this->w * $this->h . " * LV_IMG_PX_SIZE_ALPHA_BYTE,\n .header.cf = LV_IMG_CF_TRUE_COLOR_ALPHA,"; + else if($cf == self::CF_TRUE_COLOR_CHROMA) $c_footer .= " .data_size = " . $this->w * $this->h . " * LV_COLOR_SIZE / 8,\n .header.cf = LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED,"; + else if($cf == self::CF_ALPHA_1_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_ALPHA_1BIT,"; + else if($cf == self::CF_ALPHA_2_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_ALPHA_2BIT,"; + else if($cf == self::CF_ALPHA_4_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_ALPHA_4BIT,"; + else if($cf == self::CF_ALPHA_8_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_ALPHA_8BIT,"; + else if($cf == self::CF_INDEXED_1_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_INDEXED_1BIT,"; + else if($cf == self::CF_INDEXED_2_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_INDEXED_2BIT,"; + else if($cf == self::CF_INDEXED_4_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_INDEXED_4BIT,"; + else if($cf == self::CF_INDEXED_8_BIT) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_INDEXED_8BIT,"; + else if($cf == self::CF_RAW) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_RAW,"; + else if($cf == self::CF_RAW_ALPHA) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_RAW_ALPHA,"; + else if($cf == self::CF_RAW_CHROMA) $c_footer .= " .data_size = " . count($this->d_out) . ",\n .header.cf = LV_IMG_CF_RAW_CHROMA_KEYED,"; + + $c_footer .= "\n .data = " . $this->out_name . "_map, +};\n"; + + return $c_footer; + } + + function download_c($name, $cf = -1, $content = ""){ + global $offline; + + if(strlen($content) < 1) { + $content = $this->format_to_c_array(); + } + + if($cf < 0) $cf = $this->cf; + + $out = $this->get_c_header() . $content . "" . $this->get_c_footer($cf); + $name = $name . ".c"; + + if($offline){ + $file = fopen($name, "w"); + fwrite($file, $out); + fclose($file); + } + else{ + header('Content-Type: application/text'); + header('Content-disposition: attachment; filename='.$name); + header('Content-Length: ' . strlen($out)); + + echo($out); + + } + } + + + function download_bin($name, $cf = -1, $content = 0){ + global $offline; + + if($content == 0) { + $content = $this->d_out; + } + + if($cf < 0) $cf = $this->cf; + $name .= ".bin"; + + $lv_cf = 4; /*Color format in LittlevGL*/ + switch($cf) { + case self::CF_TRUE_COLOR: + $lv_cf = 4; break; + case self::CF_TRUE_COLOR_ALPHA: + $lv_cf = 5; break; + case self::CF_TRUE_COLOR_CHROMA: + $lv_cf = 6; break; + case self::CF_INDEXED_1_BIT: + $lv_cf = 7; break; + case self::CF_INDEXED_2_BIT: + $lv_cf = 8; break; + case self::CF_INDEXED_4_BIT: + $lv_cf = 9; break; + case self::CF_INDEXED_8_BIT: + $lv_cf = 10; break; + case self::CF_ALPHA_1_BIT: + $lv_cf = 11; break; + case self::CF_ALPHA_2_BIT: + $lv_cf = 12; break; + case self::CF_ALPHA_4_BIT: + $lv_cf = 13; break; + case self::CF_ALPHA_8_BIT: + $lv_cf = 14; break; + } + + + $header = $lv_cf + ($this->w << 10) + ($this->h << 21); + $header_bin = pack("V", $header); + + $content = pack("C*", ...$content); + + if($offline){ + $file = fopen($name, "w"); + fwrite($file, $header_bin); + fwrite($file, $content); + fclose($file); + } + else{ + $len = strlen($content) + 4; + header('Content-Type: application/text'); + header('Content-disposition: attachment; filename='.$name); + header('Content-Length:' . $len); + echo($header_bin[0]); + echo($header_bin[1]); + echo($header_bin[2]); + echo($header_bin[3]); + echo($content); + + + } + } + + private function conv_px($x, $y) { + $c = imagecolorat($this->img, $x, $y); + if($this->alpha){ + $a = ($c & 0xff000000) >> 23; /*Alpha is 7 bit*/ + if($a & 0x02) $a |= 0x01; /*Repeate the last bit: 0000000 -> 00000000; 1111110 -> 11111111*/ + $a = 255 - $a; + } else { + $a = 0xff; + } + $r = ($c & 0x00ff0000) >> 16; + $g = ($c & 0x0000ff00) >> 8; + $b = ($c & 0x000000ff) >> 0; + + $this->dith_next($r, $g, $b, $x); + + if($this->cf == self::CF_TRUE_COLOR_332) { + $c8 = ($this->r_act) | ($this->g_act >> 3) | ($this->b_act >> 6); //RGB332 + array_push($this->d_out, $c8); + if($this->alpha) array_push($this->d_out, $a); + } else if($this->cf == self::CF_TRUE_COLOR_565) { + $c16 = (($this->r_act) << 8) | (($this->g_act) << 3) | (($this->b_act) >> 3); //RGR565 + array_push($this->d_out, $c16 & 0xFF); + array_push($this->d_out, ($c16 >> 8) & 0xFF); + if($this->alpha) array_push($this->d_out, $a); + } else if($this->cf == self::CF_TRUE_COLOR_565_SWAP) { + $c16 = (($this->r_act) << 8) | (($this->g_act) << 3) | (($this->b_act) >> 3); //RGR565 + array_push($this->d_out, ($c16 >> 8) & 0xFF); + array_push($this->d_out, $c16 & 0xFF); + if($this->alpha) array_push($this->d_out, $a); + } else if($this->cf == self::CF_TRUE_COLOR_888) { + array_push($this->d_out, $this->b_act); + array_push($this->d_out, $this->g_act); + array_push($this->d_out, $this->r_act); + array_push($this->d_out, $a); + } else if($this->cf == self::CF_ALPHA_1_BIT) { + $w = $this->w >> 3; + if($this->w & 0x07) $w++; + $p = $w * $y + ($x >> 3); + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + if($a > 0x80) { + $this->d_out[$p] |= 1 << (7 - ($x & 0x7)); + } + } + else if($this->cf == self::CF_ALPHA_2_BIT) { + $w = $this->w >> 2; + if($this->w & 0x03) $w++; + + $p = $w * $y + ($x >> 2); + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + $this->d_out[$p] |= ($a >> 6) << (6 - (($x & 0x3) * 2)); + } + else if($this->cf == self::CF_ALPHA_4_BIT) { + $w = $this->w >> 1; + if($this->w & 0x01) $w++; + + $p = $w * $y + ($x >> 1); + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + $this->d_out[$p] |= ($a >> 4) << (4 - (($x & 0x1) * 4)); + } + else if($this->cf == self::CF_ALPHA_8_BIT) { + $p = $this->w * $y + $x; + $this->d_out[$p] = $a; + } + else if($this->cf == self::CF_INDEXED_1_BIT) { + $w = $this->w >> 3; + if($this->w & 0x07) $w++; + + $p = $w * $y + ($x >> 3) + 8; /* +8 for the palette*/ + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + $this->d_out[$p] |= ($c & 0x1) << (7 - ($x & 0x7)); + } + else if($this->cf == self::CF_INDEXED_2_BIT) { + $w = $this->w >> 2; + if($this->w & 0x03) $w++; + + $p = $w * $y + ($x >> 2) + 16; /* +16 for the palette*/ + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + $this->d_out[$p] |= ($c & 0x3) << (6 - (($x & 0x3) * 2)); + } + else if($this->cf == self::CF_INDEXED_4_BIT) { + $w = $this->w >> 1; + if($this->w & 0x01) $w++; + + $p = $w * $y + ($x >> 1) + 64; /* +64 for the palette*/ + if(!isset($this->d_out[$p])) $this->d_out[$p] = 0; /*Clear the bits first*/ + $this->d_out[$p] |= ($c & 0xF) << (4 - (($x & 0x1) * 4)); + } + else if($this->cf == self::CF_INDEXED_8_BIT) { + $p = $this->w * $y + $x + 1024; /* +1024 for the palette*/ + $this->d_out[$p] = $c & 0xFF; + } + } + + private function dith_reset() { + if($this->dith){ + $this->r_nerr = 0; + $this->g_nerr = 0; + $this->b_nerr = 0; + } + } + + private function dith_next($r, $g, $b, $x) { + + if($this->dith){ + $this->r_act = $r + $this->r_nerr + $this->r_earr[$x+1]; + $this->r_earr[$x+1] = 0; + + $this->g_act = $g + $this->g_nerr + $this->g_earr[$x+1]; + $this->g_earr[$x+1] = 0; + + $this->b_act = $b + $this->b_nerr + $this->b_earr[$x+1]; + $this->b_earr[$x+1] = 0; + + if($this->cf == self::CF_TRUE_COLOR_332) { + $this->r_act = $this->classify_pixel($this->r_act, 3); + $this->g_act = $this->classify_pixel($this->g_act, 3); + $this->b_act = $this->classify_pixel($this->b_act, 2); + + if($this->r_act > 0xE0) $this->r_act = 0xE0; + if($this->g_act > 0xE0) $this->g_act = 0xE0; + if($this->b_act > 0xC0) $this->b_act = 0xC0; + + } else if($this->cf == self::CF_TRUE_COLOR_565 || $this->cf == self::CF_TRUE_COLOR_565_SWAP) { + $this->r_act = $this->classify_pixel($this->r_act, 5); + $this->g_act = $this->classify_pixel($this->g_act, 6); + $this->b_act = $this->classify_pixel($this->b_act, 5); + + if($this->r_act > 0xF8) $this->r_act = 0xF8; + if($this->g_act > 0xFC) $this->g_act = 0xFC; + if($this->b_act > 0xF8) $this->b_act = 0xF8; + + } else if($this->cf == self::CF_TRUE_COLOR_888) { + $this->r_act = $this->classify_pixel($this->r_act, 8); + $this->g_act = $this->classify_pixel($this->g_act, 8); + $this->b_act = $this->classify_pixel($this->b_act, 8); + + if($this->r_act > 0xFF) $this->r_act = 0xFF; + if($this->g_act > 0xFF) $this->g_act = 0xFF; + if($this->b_act > 0xFF) $this->b_act = 0xFF; + } + + $this->r_err = $r - $this->r_act; + $this->g_err = $g - $this->g_act; + $this->b_err = $b - $this->b_act; + + $this->r_nerr = round((7 * $this->r_err) / 16); + $this->g_nerr = round((7 * $this->g_err) / 16); + $this->b_nerr = round((7 * $this->b_err) / 16); + + $this->r_earr[$x] += round((3 * $this->r_err) / 16); + $this->g_earr[$x] += round((3 * $this->g_err) / 16); + $this->b_earr[$x] += round((3 * $this->b_err) / 16); + + $this->r_earr[$x+1] += round((5 * $this->r_err) / 16); + $this->g_earr[$x+1] += round((5 * $this->g_err) / 16); + $this->b_earr[$x+1] += round((5 * $this->b_err) / 16); + + $this->r_earr[$x+2] += round($this->r_err / 16); + $this->g_earr[$x+2] += round($this->g_err / 16); + $this->b_earr[$x+2] += round($this->b_err / 16); + } + else{ + if($this->cf == self::CF_TRUE_COLOR_332) { + $this->r_act = $this->classify_pixel($r, 3); + $this->g_act = $this->classify_pixel($g, 3); + $this->b_act = $this->classify_pixel($b, 2); + + if($this->r_act > 0xE0) $this->r_act = 0xE0; + if($this->g_act > 0xE0) $this->g_act = 0xE0; + if($this->b_act > 0xC0) $this->b_act = 0xC0; + + } else if($this->cf == self::CF_TRUE_COLOR_565 || $this->cf == self::CF_TRUE_COLOR_565_SWAP) { + $this->r_act = $this->classify_pixel($r, 5); + $this->g_act = $this->classify_pixel($g, 6); + $this->b_act = $this->classify_pixel($b, 5); + + if($this->r_act > 0xF8) $this->r_act = 0xF8; + if($this->g_act > 0xFC) $this->g_act = 0xFC; + if($this->b_act > 0xF8) $this->b_act = 0xF8; + + } else if($this->cf == self::CF_TRUE_COLOR_888) { + $this->r_act = $this->classify_pixel($r, 8); + $this->g_act = $this->classify_pixel($g, 8); + $this->b_act = $this->classify_pixel($b, 8); + + if($this->r_act > 0xFF) $this->r_act = 0xFF; + if($this->g_act > 0xFF) $this->g_act = 0xFF; + if($this->b_act > 0xFF) $this->b_act = 0xFF; + } + } + } + + private function classify_pixel($value, $bits){ + $tmp = 1 << (8 - $bits); + $val = round($value / $tmp, 0, PHP_ROUND_HALF_DOWN) * $tmp; + if($val < 0) $val = 0; + return $val; + } +} + +$offline = 0; +if (!isset($_SERVER["HTTP_HOST"])) { + parse_str($argv[1], $_POST); + $offline = 1; +} + + +if($offline == 0){ + /*The scripts runs ONLINE (likely on littelvgl.com)*/ + header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); + header("Cache-Control: post-check=0, pre-check=0", false); + header("Pragma: no-cache"); + + $img_file = $_FILES["img_file"]["tmp_name"]; + $img_file_name = $_FILES["img_file"]["name"]; + $output_name = $_POST["name"]; + $cf = $_POST["cf"]; + $format = $_POST["format"]; + $dith = $_POST["dith"]; +} +else{ + /*The scripts runs OFFLINE (likely in command)*/ + if(isset($_POST["name"])){ + $output_name = $_POST["name"]; + } + else{ + echo("Mising Name\n"); + exit(0); + } + + if(isset($_POST["img"])){ + $img_file = $_POST["img"]; + $img_file_name = $_POST["img"]; + } + else{ + echo("Mising image file\n"); + exit(0); + } + + if(isset($_POST["format"])){ + $format = $_POST["format"]; + } + else{ + $format = "c_array"; + } + + if(isset($_POST["dith"])){ + $dith = $_POST["dith"]; + } + else { + $dith = 0; + } + + if(isset($_POST["cf"])){ + $cf = $_POST["cf"]; + } + else { + $cf = "true_color"; + } +} + +$conv = new Converter($img_file, $img_file_name, $output_name, $dith, $cf); + +if(!strcmp($format, "c_array")) { + if(!strcmp($cf, "true_color") || !strcmp($cf, "true_color_alpha") || !strcmp($cf, "true_color_chroma")) { + $alpha = 0; + if(!strcmp($cf, "true_color_alpha")) $alpha = 1; + + $conv->convert($conv::CF_TRUE_COLOR_332, $alpha); + $c_332 = $conv->format_to_c_array(); + + $conv->convert($conv::CF_TRUE_COLOR_565, $alpha); + $c_565 = $conv->format_to_c_array(); + + $conv->convert($conv::CF_TRUE_COLOR_565_SWAP, $alpha); + $c_565_swap = $conv->format_to_c_array(); + + $conv->convert($conv::CF_TRUE_COLOR_888, $alpha); + $c_888 = $conv->format_to_c_array(); + + $c_res = $c_332 . $c_565 . $c_565_swap . $c_888; + + if(!strcmp($cf, "true_color")) $conv->download_c($conv->out_name, $conv::CF_TRUE_COLOR, $c_res); + if(!strcmp($cf, "true_color_alpha")) $conv->download_c($conv->out_name, $conv::CF_TRUE_COLOR_ALPHA, $c_res); + if(!strcmp($cf, "true_color_chroma")) $conv->download_c($conv->out_name, $conv::CF_TRUE_COLOR_CHROMA, $c_res); + } + else if(!strcmp($cf, "alpha_1")) { + $conv->convert($conv::CF_ALPHA_1_BIT, 1); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "alpha_2")) { + $conv->convert($conv::CF_ALPHA_2_BIT, 1); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "alpha_4")) { + $conv->convert($conv::CF_ALPHA_4_BIT, 1); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "alpha_8")) { + $conv->convert($conv::CF_ALPHA_8_BIT, 1); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "indexed_1")) { + $conv->convert($conv::CF_INDEXED_1_BIT); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "indexed_2")) { + $conv->convert($conv::CF_INDEXED_2_BIT); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "indexed_4")) { + $conv->convert($conv::CF_INDEXED_4_BIT); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "indexed_8")) { + $conv->convert($conv::CF_INDEXED_8_BIT); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "raw")) { + $conv->convert($conv::CF_RAW); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "raw_alpha")) { + $conv->convert($conv::CF_RAW_ALPHA, 1); + $conv->download_c($conv->out_name); + } + else if(!strcmp($cf, "raw_chroma")) { + $conv->convert($conv::CF_RAW_CHROMA); + $conv->download_c($conv->out_name); + } +} +/*Binary download*/ +else { + if(!strcmp($cf, "true_color") || !strcmp($cf, "true_color_alpha") || !strcmp($cf, "true_color_chroma")) { + $alpha = 0; + if(!strcmp($cf, "true_color_alpha")) $alpha = 1; + + if (!strcmp($format, "bin_332")) $conv->convert($conv::CF_TRUE_COLOR_332, $alpha); + else if (!strcmp($format, "bin_565")) $conv->convert($conv::CF_TRUE_COLOR_565, $alpha); + else if (!strcmp($format, "bin_565_swap")) $conv->convert($conv::CF_TRUE_COLOR_565_SWAP, $alpha); + else if (!strcmp($format, "bin_888")) $conv->convert($conv::CF_TRUE_COLOR_888, $alpha); + else { + echo("Unknown output file format: $format"); + exit(1); + } + if(!strcmp($cf, "true_color")) $conv->download_bin($conv->out_name, $conv::CF_TRUE_COLOR); + if(!strcmp($cf, "true_color_alpha")) $conv->download_bin($conv->out_name, $conv::CF_TRUE_COLOR_ALPHA); + if(!strcmp($cf, "true_color_chroma")) $conv->download_bin($conv->out_name, $conv::CF_TRUE_COLOR_CHROMA); + } + else if(!strcmp($cf, "alpha_1")) { + $conv->convert($conv::CF_ALPHA_1_BIT, 1); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "alpha_2")) { + $conv->convert($conv::CF_ALPHA_2_BIT, 1); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "alpha_4")) { + $conv->convert($conv::CF_ALPHA_4_BIT, 1); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "alpha_8")) { + $conv->convert($conv::CF_ALPHA_8_BIT, 1); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "indexed_1")) { + $conv->convert($conv::CF_INDEXED_1_BIT); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "indexed_2")) { + $conv->convert($conv::CF_INDEXED_2_BIT); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "indexed_4")) { + $conv->convert($conv::CF_INDEXED_4_BIT); + $conv->download_bin($conv->out_name); + } + else if(!strcmp($cf, "indexed_8")) { + $conv->convert($conv::CF_INDEXED_8_BIT); + $conv->download_bin($conv->out_name); + } +} + + + + +/* +$c_array .= "#include <stdint.h> + #include \"lv_conf.h\" + #include \"lvgl/lv_draw/lv_draw.h\""; */ + + +//download("test", $c_565); + +?> |