enum Gloop::PixelType

Overview

Describes how components of a pixel are stored in memory.

Defined in:

gloop/pixel_type.cr

Enum Members

Int8 = 5120_u32

Each component is stored as a signed 8-bit integer.

UInt8 = 5121_u32

Each component is stored as an unsigned 8-bit integer.

Int16 = 5122_u32

Each component is stored as a signed 16-bit integer.

UInt16 = 5123_u32

Each component is stored as an unsigned 16-bit integer.

Int32 = 5124_u32

Each component is stored as a signed 32-bit integer.

UInt32 = 5125_u32

Each component is stored as an unsigned 32-bit integer.

Float32 = 5126_u32

Each component is stored as a 32-bit floating-point number.

UInt8R3G3B2 = 32818_u32

Three components stored in 8 bits.

3 bits for red, 3 bits for green, and 2 bits for blue.

UInt16R4G4B4A4 = 32819_u32

Four components stored in 16 bits.

4 bits for each component.

UInt16R5G5B5A1 = 32820_u32

Four components stored in 16 bits.

4 bits each for red, green, and blue and 1 bit for alpha.

UInt32R8G8B8A8 = 32821_u32

Four components stored in 32 bits.

8 bits for each component.

UInt32R10G10B10A2 = 32822_u32

Four components stored in 32 bits.

8 bits each for red, green, and blue and 2 bits for alpha.

Constructors

• .new(value : Symbol)

  Creates a pixel type from a symbol.

Instance Method Summary

• #float32?
• #int16?
• #int32?
• #int8?
• #to_unsafe

  Converts to an OpenGL enum.

• #u_int16?
• #u_int16_r4_g4_b4_a4?
• #u_int16_r5_g5_b5_a1?
• #u_int32?
• #u_int32_r10_g10_b10_a2?
• #u_int32_r8_g8_b8_a8?
• #u_int8?
• #u_int8_r3_g3_b2?

Constructor Detail

Instance Method Detail