Supported Formats and Types

Output Formats

Usable with options -f or --format.

• GL_RED
• GL_BLUE
• GL_GREEN
• GL_RG
• GL_RGB
• GL_BGR
• GL_RGBA
• GL_BGRA

Output Types

Usable with options -t or --type.

• GL_BYTE
• GL_UNSIGNED_SHORT
• GL_SHORT
• GL_UNSIGNED_INT
• GL_INT
• GL_FLOAT

Compressed Output Formats

Usable with option --compressed-format.

• GL_COMPRESSED_RED
• GL_COMPRESSED_RG
• GL_COMPRESSED_RGB
• GL_COMPRESSED_RGBA
• GL_COMPRESSED_RED_RGTC1
• GL_COMPRESSED_SIGNED_RED_RGTC1
• GL_COMPRESSED_RG_RGTC2
• GL_COMPRESSED_SIGNED_RG_RGTC2
• GL_COMPRESSED_RGB_S3TC_DXT1_EXT
• GL_COMPRESSED_RGBA_S3TC_DXT1_EXT
• GL_COMPRESSED_RGBA_S3TC_DXT3_EXT
• GL_COMPRESSED_RGBA_S3TC_DXT5_EXT

Transformation Modes

Usable with option --transform-mode. Can only be used in conjuction with a scaling option.

• nearest
• linear

Aspect Ratio Modes

Usable with option --aspect-ratio-mode. Can only be used in conjuction with a scaling option.

• IgnoreAspectRatio
• KeepAspectRatio
• KeepAspectRatioByExpanding