Appendix A - Miscellaneous

#include <libmtpixel.h>

int main()
{

char *txt = "Hello World", *font_filename = "/usr/X11R6/lib/fonts/truetype/arial.ttf";

mtpaint_init();

mtpaint_new_image(320, 240, 256, 0, 3);
mtpaint_col_a(7);
mtpaint_text(txt, strlen(txt), font_filename, "ASCII", 50, 0, 11, MT_TEXT_SHRINK);
mtpaint_paste(0, 0);
mtpaint_file_save("test.png", FT_PNG, 5);

mtpaint_quit();

return 0;

This program is compiled and run by using:

gcc hello.c -lmtpixel -o hello
./hello

libmtpixel can handle the following file formats:

Format	Load	Save
BMP	All.	Indexed palette. 24 bit RGB including alpha channel.
GIF	All single images.	Indexed palette including transparency index. Animations via Gifsicle.
JPEG	All.	24 bit RGB.
JPEG2000	All.	24 bit RGB.
LSS16 (*.lss)	All.	Indexed palette (16 colours), 18 bits per colour (6 per RGB channel).
PNG	All.	Indexed palette. 24 bit RGB. Including transparency index, alpha/selection/mask channels.
TGA	All.	Indexed palette. 24 bit RGB including alpha channel.
TIFF	All.	Indexed palette. 24 bit RGB. Including alpha channel.
XBM	All.	2 colour indexed palette including hotspot.
XPM	All.	Indexed palette. 24 bit RGB. Including transparency index and hotspot.

File types PNG, JPEG, JPEG2000, TIFF, XPM, and GIF are handled by external libraries: libpng, libjpeg, libopenjpeg, libtiff, libXpm, and libungif/giflib. As a result of this, the efficiency of these file operations will depend on the version of these libraries installed on your system. For example, libtiff is unable to read certain old JPEG compressed TIFF files. For more information on these libraries, consult their respective websites:

libpng	http://www.libpng.org/pub/png/libpng.html
libjpeg	http://www.ijg.org/
libopenjpeg	http://www.openjpeg.org/
libtiff	http://www.libtiff.org/
libXpm	http://www.inria.fr/koala/lehors/xpm.html or http://www.x.org/ or http://www.xfree86.org/
libungif / giflib	http://libungif.sourceforge.net/doc/