mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-12-26 15:06:22 +01:00
136 lines
No EOL
4 KiB
Text
136 lines
No EOL
4 KiB
Text
function bin_read_byte(bin) {
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return file_bin_read_byte(bin);
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}
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function bin_read_word(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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return b0 + (b1 << 8);
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}
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function bin_read_short(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var short = b0 + (b1 << 8);
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var sig = short >> 15;
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short = short & ~(1 << 15);
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return sig? -power(2, 15) + short : short;
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}
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function bin_read_dword(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var dword = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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return dword;
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}
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function bin_read_long(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var long = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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var sig = long >> 31;
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long = long & ~(1 << 31);
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return sig? -power(2, 31) : long;
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}
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function bin_read_fixed(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var fixInt = b0 + (b1 << 8);
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var fixFrc = b2 + (b3 << 8);
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return fixInt + bin_fraction(fixFrc, 16);
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}
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function bin_read_float(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var float = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24);
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var sig = float >> 31;
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var expo = (float & ~(1 << 31)) >> 23;
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var mant = float & 0b00000000_01111111_11111111_11111111;
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var val = (1 + mant) * power(2, expo - 127);
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return sig? -val : val;
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}
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function bin_read_double(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var b4 = file_bin_read_byte(bin);
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var b5 = file_bin_read_byte(bin);
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var b6 = file_bin_read_byte(bin);
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var b7 = file_bin_read_byte(bin);
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var double = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
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var sig = double >> 63;
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var expo = (double & ~(1 << 63)) >> 52;
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var mant = double & 0b00000000_00001111_11111111_11111111_11111111_11111111_11111111_11111111;
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var val = (1 + mant) * power(2, expo - 1023);
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return sig? -val : val;
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}
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function bin_read_qword(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var b4 = file_bin_read_byte(bin);
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var b5 = file_bin_read_byte(bin);
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var b6 = file_bin_read_byte(bin);
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var b7 = file_bin_read_byte(bin);
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return b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
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}
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function bin_read_long64(bin) {
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var b0 = file_bin_read_byte(bin);
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var b1 = file_bin_read_byte(bin);
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var b2 = file_bin_read_byte(bin);
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var b3 = file_bin_read_byte(bin);
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var b4 = file_bin_read_byte(bin);
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var b5 = file_bin_read_byte(bin);
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var b6 = file_bin_read_byte(bin);
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var b7 = file_bin_read_byte(bin);
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var long = b0 + (b1 << 8) + (b2 << 16) + (b3 << 24) + (b2 << 32) + (b3 << 40) + (b2 << 48) + (b3 << 56);
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var sig = long >> 63;
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long = long & ~(1 << 63);
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return sig? -long : long;
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}
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//
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function bin_read_string(bin) {
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var len = bin_read_word(bin);
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var ss = "";
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repeat(len) {
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var utf = bin_read_byte(bin);
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ss += chr(utf);
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}
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return ss;
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}
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function bin_read_point(bin) {
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return [bin_read_long(bin), bin_read_long(bin)];
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}
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function bin_read_size(bin) {
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return [bin_read_long(bin), bin_read_long(bin)];
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}
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function bin_read_rect(bin) {
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return [bin_read_point(bin), bin_read_size(bin)];
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}
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function bin_read_color(bin) {
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var r = bin_read_byte(bin);
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var g = bin_read_byte(bin);
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var b = bin_read_byte(bin);
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return make_color_rgb(r, g, b);
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}
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function bin_read_pixel(bin, type) {
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switch(type) {
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case 0 : return [ bin_read_byte(bin), bin_read_byte(bin), bin_read_byte(bin), bin_read_byte(bin) ];
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case 1 : return [ bin_read_byte(bin), bin_read_byte(bin) ];
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case 2 : return [ bin_read_byte(bin) ];
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}
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return 0;
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} |