class Crowbar::Rules::BMPRule

Overview

Structure-preserving rule for Windows Bitmap (BMP) files. Preserves the 14-byte BITMAPFILEHEADER ("BM") and DIB header framing, while mutating dimensions, bit depths, compression schemes, color palettes, and pixel raster data, and automatically synchronizing file size and raster offsets.

Defined in:

crowbar/rules/bmp.cr

Instance Method Summary

Instance methods inherited from class Crowbar::Rule

apply(context : Context, buffer : Buffer) : Bool apply, description : String description, match?(buffer : Buffer) : Bool match?, name : String name, targets(*targets : Symbol) targets, weight : Float64 weight, weight=(weight : Float64) weight=

Constructor methods inherited from class Crowbar::Rule

new(weight : Float64 = 1.0) new

Instance Method Detail

def apply(context : Context, buffer : Buffer) : Bool #
Description copied from class Crowbar::Rule

Applies a structure-preserving transformation to the buffer


def description : String #

def match?(buffer : Buffer) : Bool #
Description copied from class Crowbar::Rule

Checks whether the buffer matches the format handled by this rule


def name : String #