Module: IL

Included in:

Devil

Defined in:

ext/devil/ruby_il.c

Defined Under Namespace

Classes: ImageData

Constant Summary

TYPE_UNKNOWN =

INT2NUM(IL_TYPE_UNKNOWN)

BMP =

INT2NUM(IL_BMP)

CUT =

INT2NUM(IL_CUT)

DOOM =

INT2NUM(IL_DOOM)

DOOM_FLAT =

INT2NUM(IL_DOOM_FLAT)

ICO =

INT2NUM(IL_ICO)

JPG =

INT2NUM(IL_JPG)

JFIF =

INT2NUM(IL_JFIF)

LBM =

INT2NUM(IL_LBM)

PCD =

INT2NUM(IL_PCD)

PCX =

INT2NUM(IL_PCX)

PIC =

INT2NUM(IL_PIC)

PNG =

INT2NUM(IL_PNG)

PNM =

INT2NUM(IL_PNM)

SGI =

INT2NUM(IL_SGI)

TGA =

INT2NUM(IL_TGA)

TIF =

INT2NUM(IL_TIF)

CHEAD =

INT2NUM(IL_CHEAD)

RAW =

INT2NUM(IL_RAW)

MDL =

INT2NUM(IL_MDL)

WAL =

INT2NUM(IL_WAL)

LIF =

INT2NUM(IL_LIF)

MNG =

INT2NUM(IL_MNG)

JNG =

INT2NUM(IL_JNG)

GIF =

INT2NUM(IL_GIF)

DDS =

INT2NUM(IL_DDS)

DCX =

INT2NUM(IL_DCX)

PSD =

INT2NUM(IL_PSD)

EXIF =

INT2NUM(IL_EXIF)

PSP =

INT2NUM(IL_PSP)

PIX =

INT2NUM(IL_PIX)

PXR =

INT2NUM(IL_PXR)

XPM =

INT2NUM(IL_XPM)

HDR =

INT2NUM(IL_HDR)

JASC_PAL =

INT2NUM(IL_JASC_PAL)

COLOUR_INDEX =

INT2NUM(IL_COLOUR_INDEX)

COLOR_INDEX =

INT2NUM(IL_COLOR_INDEX)

RGB =

INT2NUM(IL_RGB)

RGBA =

INT2NUM(IL_RGBA)

BGR =

INT2NUM(IL_BGR)

BGRA =

INT2NUM(IL_BGRA)

LUMINANCE =

INT2NUM(IL_LUMINANCE)

LUMINANCE_ALPHA =

INT2NUM(IL_LUMINANCE_ALPHA)

UNSIGNED_BYTE =

INT2NUM(IL_UNSIGNED_BYTE)

SHORT =

INT2NUM(IL_SHORT)

UNSIGNED_SHORT =

INT2NUM(IL_UNSIGNED_SHORT)

INT =

INT2NUM(IL_INT)

UNSIGNED_INT =

INT2NUM(IL_UNSIGNED_INT)

FLOAT =

INT2NUM(IL_FLOAT)

DOUBLE =

INT2NUM(IL_DOUBLE)

NO_ERROR =

INT2NUM(IL_NO_ERROR)

INVALID_ENUM =

INT2NUM(IL_INVALID_ENUM)

OUT_OF_MEMORY =

INT2NUM(IL_OUT_OF_MEMORY)

FORMAT_NOT_SUPPORTED =

INT2NUM(IL_FORMAT_NOT_SUPPORTED)

INTERNAL_ERROR =

INT2NUM(IL_INTERNAL_ERROR)

INVALID_VALUE =

INT2NUM(IL_INVALID_VALUE)

ILLEGAL_OPERATION =

INT2NUM(IL_ILLEGAL_OPERATION)

ILLEGAL_FILE_VALUE =

INT2NUM(IL_ILLEGAL_FILE_VALUE)

INVALID_FILE_HEADER =

INT2NUM(IL_INVALID_FILE_HEADER)

INVALID_PARAM =

INT2NUM(IL_INVALID_PARAM)

COULD_NOT_OPEN_FILE =

INT2NUM(IL_COULD_NOT_OPEN_FILE)

INVALID_EXTENSION =

INT2NUM(IL_INVALID_EXTENSION)

FILE_ALREADY_EXISTS =

INT2NUM(IL_FILE_ALREADY_EXISTS)

OUT_FORMAT_SAME =

INT2NUM(IL_OUT_FORMAT_SAME)

STACK_OVERFLOW =

INT2NUM(IL_STACK_OVERFLOW)

STACK_UNDERFLOW =

INT2NUM(IL_STACK_UNDERFLOW)

INVALID_CONVERSION =

INT2NUM(IL_INVALID_CONVERSION)

BAD_DIMENSIONS =

INT2NUM(IL_BAD_DIMENSIONS)

FILE_READ_ERROR =

INT2NUM(IL_FILE_READ_ERROR)

FILE_WRITE_ERROR =

INT2NUM(IL_FILE_WRITE_ERROR)

LIB_GIF_ERROR =

INT2NUM(IL_LIB_GIF_ERROR)

LIB_JPEG_ERROR =

INT2NUM(IL_LIB_JPEG_ERROR)

LIB_PNG_ERROR =

INT2NUM(IL_LIB_PNG_ERROR)

LIB_TIFF_ERROR =

INT2NUM(IL_LIB_TIFF_ERROR)

LIB_MNG_ERROR =

INT2NUM(IL_LIB_MNG_ERROR)

UNKNOWN_ERROR =

INT2NUM(IL_UNKNOWN_ERROR)

IMAGE_DEPTH =

CONSTANTS BELOW ADDED BY BANISTERFIEND

INT2NUM(IL_IMAGE_DEPTH)

IMAGE_WIDTH =

INT2NUM(IL_IMAGE_WIDTH)

IMAGE_HEIGHT =

INT2NUM(IL_IMAGE_HEIGHT)

IMAGE_FORMAT =

INT2NUM(IL_IMAGE_FORMAT)

IMAGE_BITS_PER_PIXEL =

INT2NUM(IL_IMAGE_BITS_PER_PIXEL)

IMAGE_BYTES_PER_PIXEL =

INT2NUM(IL_IMAGE_BYTES_PER_PIXEL)

FILE_OVERWRITE =

INT2NUM(IL_FILE_OVERWRITE)

ORIGIN_SET =

INT2NUM(IL_ORIGIN_SET)

CONV_PAL =

INT2NUM(IL_CONV_PAL)

CUR_IMAGE =

INT2NUM(IL_CUR_IMAGE)

ORIGIN_LOWER_LEFT =

INT2NUM(IL_ORIGIN_LOWER_LEFT)

ORIGIN_UPPER_LEFT =

INT2NUM(IL_ORIGIN_UPPER_LEFT)

JPG_QUALITY =

INT2NUM(IL_JPG_QUALITY)

Class Method Summary (collapse)

• + (Object) ActiveImage
• + (Object) ActiveMipmap
• + (Object) ApplyProfile
• + (Object) BindImage
• + (Object) Blit
• + (Object) ClearColour
• + (Object) ClearImage
• + (Object) CloneCurImage
• + (Object) ConvertImage
• + (Object) CopyImage
• + (Object) CopyPixels
• + (Object) DeleteImages
• + (Object) Disable
• + (Object) Enable

  methods below added by banisterfiend.

• + (Object) FromBlob
• + (Object) GenImages
• + (Object) GetData
• + (Object) GetError
• + (Object) GetInteger
• + (Object) Init
• + (Object) Load
• + (Object) LoadImage
• + (Object) OriginFunc
• + (Object) OverlayImage
• + (Object) Save
• + (Object) SaveImage
• + (Object) SetData

  }.

• + (Object) SetInteger
• + (Object) SetPixels
• + (Object) TexImage
• + (Object) ToBlob

  this function is not actually in the DevIL API, but im adding it here for convenience.

# File 'ext/devil/ruby_il.c'

static VALUE il_Enable(VALUE obj, VALUE rb_mode) {
    ILenum mode = NUM2INT(rb_mode);

    ILboolean flag = ilEnable(mode);
    return flag ? Qtrue : Qfalse;
}

# File 'ext/devil/ruby_il.c'

static VALUE il_SetData(VALUE obj, VALUE rb_Data) {
    /* ILvoid */
    void* data = ImageData2Arr(rb_Data);
    ILboolean flag = ilSetData(data);
    return flag ? Qtrue : Qfalse;
}

# File 'ext/devil/ruby_il.c'

static VALUE bf_ToBlob(VALUE obj)
{
    ILuint width, height, saved_image, copy_image;
    char * img_ptr;
    VALUE blob;

    saved_image = ilGetInteger(IL_CUR_IMAGE);

    /* make a copy of the current image */
    copy_image = ilCloneCurImage();

    ilBindImage(copy_image);
    
    /* ensure the image is int RGBA UNSIGNED_BYTE format for blob */
    ilConvertImage(IL_RGBA, IL_UNSIGNED_BYTE);

    width = ilGetInteger(IL_IMAGE_WIDTH);
    height = ilGetInteger(IL_IMAGE_HEIGHT);

    img_ptr = (char *)ilGetData();

    blob = rb_str_new(img_ptr, 4 * width * height);

    /* restore saved binding */
    ilBindImage(saved_image);

    ilDeleteImages(1, &copy_image);

    return blob;
}