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Add even more file formats

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This commit is contained in:
gingerBill
2022-05-14 13:59:49 +01:00
parent ec3394b8da
commit f17a9dd5e7
1 changed files with 25 additions and 6 deletions
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core/image/which.odin
+24 -5
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@@ -7,18 +7,22 @@ Which_File_Type :: enum {
BMP, BMP,
EXR, EXR,
FLIF,
GIF, GIF,
HDR, // Radiance RGBE HDR HDR, // Radiance RGBE HDR
ICNS, // Apple Icon Image
JPEG, JPEG,
JPEG_2000,
JPEG_XL,
PBM, PGM, PPM, // NetPBM family PBM, PGM, PPM, // NetPBM family
PIC, // Softimage PIC PIC, // Softimage PIC
PNG, PNG, // Portable Network Graphics
PSD, // Photoshop PSD PSD, // Photoshop PSD
QOI, QOI, // Quite Okay Image
SGI_RGB, // Silicon Graphics Image RGB file format SGI_RGB, // Silicon Graphics Image RGB file format
Sun_Rast, // Sun Raster Graphic Sun_Rast, // Sun Raster Graphic
TGA, // Targa Truevision TGA, // Targa Truevision
TIFF, TIFF, // Tagged Image File Format
WebP, WebP,
XBM, // X BitMap XBM, // X BitMap
} }
@@ -90,8 +94,19 @@ which_bytes :: proc(data: []byte) -> Which_File_Type {
return .GIF return .GIF
case s[6:10] == "JFIF", s[6:10] == "Exif": case s[6:10] == "JFIF", s[6:10] == "Exif":
return .JPEG return .JPEG
case s[:4] == "\xff\xd8\xff\xdb": case s[:3] == "\xff\xd8\xff":
switch s[4] {
case 0xdb, 0xee, 0xe1, 0xe0:
return .JPEG return .JPEG
}
switch {
case s[:12] == "\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49\x46\x00\x01":
return .JPEG
}
case s[:4] == "\xff\x4f\xff\x51", s[:12] == "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a":
return .JPEG_2000
case s[:12] == "\x00\x00\x00\x0c\x4a\x58\x4c\x20\x0d\x0a\x87\x0a":
return .JPEG_XL
case s[0] == 'P': case s[0] == 'P':
switch s[2] { switch s[2] {
case '\t', '\n', '\r': case '\t', '\n', '\r':
@@ -112,7 +127,7 @@ which_bytes :: proc(data: []byte) -> Which_File_Type {
return .SGI_RGB return .SGI_RGB
case s[:4] == "\x59\xA6\x6A\x95": case s[:4] == "\x59\xA6\x6A\x95":
return .Sun_Rast return .Sun_Rast
case s[:2] == "MM", s[:2] == "II": case s[:4] == "MM\x2a\x00", s[:4] == "II\x00\x2A":
return .TIFF return .TIFF
case s[:4] == "RIFF" && s[8:12] == "WEBP": case s[:4] == "RIFF" && s[8:12] == "WEBP":
return .WebP return .WebP
@@ -125,6 +140,10 @@ which_bytes :: proc(data: []byte) -> Which_File_Type {
return .PSD return .PSD
case s[:4] != "\x53\x80\xF6\x34" && s[88:92] == "PICT": case s[:4] != "\x53\x80\xF6\x34" && s[88:92] == "PICT":
return .PIC return .PIC
case s[:4] == "\x69\x63\x6e\x73":
return .ICNS
case s[:4] == "\x46\x4c\x49\x46":
return .FLIF
case: case:
// More complex formats // More complex formats
if test_tga(s) { if test_tga(s) {