Fl_PNG_Image Class Reference

#include <Fl_PNG_Image.H>

Inheritance diagram for Fl_PNG_Image:

Collaboration diagram for Fl_PNG_Image:

List of all members.

Public Member Functions
	Fl_PNG_Image (const char *filename)

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Detailed Description

The Fl_PNG_Image class supports loading, caching, and drawing of Portable Network Graphics (PNG) image files. The class loads colormapped and full-color images and handles color- and alpha-based transparency.

Definition at line 41 of file Fl_PNG_Image.H.

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Constructor & Destructor Documentation

Fl_PNG_Image::Fl_PNG_Image

(

const char *

png

)

The constructor loads the named PNG image from the given png filename.

The destructor free all memory and server resources that are used by the image.

Definition at line 63 of file Fl_PNG_Image.cxx.

References Fl_RGB_Image::alloc_array, Fl_RGB_Image::array, Fl_Image::d(), fl_fopen(), fp, Fl_Image::h(), i, info, NULL, num_trans, PNG_COLOR_MASK_ALPHA, PNG_COLOR_MASK_COLOR, PNG_COLOR_TYPE_PALETTE, png_create_info_struct(), png_create_read_struct(), png_destroy_read_struct(), png_get_bit_depth(), png_get_color_type(), png_get_image_height(), png_get_image_width(), png_get_tRNS(), png_get_valid(), PNG_INFO_tRNS, png_init_io(), png_jmpbuf, PNG_LIBPNG_VER_STRING, png_read_end(), png_read_info(), png_read_rows(), png_set_expand(), png_set_interlace_handling(), png_set_packing(), png_set_strip_16(), png_set_tRNS_to_alpha(), ptr, Fl_Image::w(), and Fl::warning.

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The documentation for this class was generated from the following files:

• fltk-1.3.0rc3/FL/Fl_PNG_Image.H
• fltk-1.3.0rc3/src/Fl_PNG_Image.cxx