libcaca/caca-php/php_caca.c

/*
 *  php-caca      Php binding for Libcaca
 *  Copyright (c) 2008 Vion Nicolas <nico@picapo.net>
 *
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
 *  and/or modify it under the terms of the Do What The Fuck You Want
 *  To Public License, Version 2, as published by Sam Hocevar. See
 *  http://sam.zoy.org/wtfpl/COPYING for more details.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_caca.h"
#include <gd.h>

static function_entry caca_functions[] = {
	PHP_FE(caca_create_canvas, NULL)
	PHP_FE(caca_set_canvas_size, NULL)
	PHP_FE(caca_get_canvas_width, NULL)
	PHP_FE(caca_get_canvas_height, NULL)
	PHP_FE(caca_get_canvas_chars, NULL)
	PHP_FE(caca_get_canvas_attrs, NULL)
	PHP_FE(caca_rand, NULL)
	PHP_FE(caca_get_version, NULL)
	PHP_FE(caca_gotoxy, NULL)
	PHP_FE(caca_get_cursor_x, NULL)
	PHP_FE(caca_get_cursor_y, NULL)
	PHP_FE(caca_put_char, NULL)
	PHP_FE(caca_get_char, NULL)
	PHP_FE(caca_put_str, NULL)
	PHP_FE(caca_clear_canvas, NULL)
	PHP_FE(caca_set_canvas_handle, NULL)
	PHP_FE(caca_get_canvas_handle_x, NULL)
	PHP_FE(caca_get_canvas_handle_y, NULL)
	PHP_FE(caca_blit, NULL)
	PHP_FE(caca_set_canvas_boundaries, NULL)
	PHP_FE(caca_invert, NULL)
	PHP_FE(caca_flip, NULL)
	PHP_FE(caca_flop, NULL)
	PHP_FE(caca_rotate_180, NULL)
	PHP_FE(caca_rotate_left, NULL)
	PHP_FE(caca_rotate_right, NULL)
	PHP_FE(caca_stretch_left, NULL)
	PHP_FE(caca_stretch_right, NULL)
	PHP_FE(caca_get_attr, NULL)
	PHP_FE(caca_set_attr, NULL)
	PHP_FE(caca_put_attr, NULL)
	PHP_FE(caca_set_color_ansi, NULL)
	PHP_FE(caca_set_color_argb, NULL)
	PHP_FE(caca_attr_to_ansi, NULL)
	PHP_FE(caca_attr_to_ansi_fg, NULL)
	PHP_FE(caca_attr_to_ansi_bg, NULL)
	PHP_FE(caca_attr_to_rgb12_fg, NULL)
	PHP_FE(caca_attr_to_rgb12_bg, NULL)
	PHP_FE(caca_attr_to_argb64, NULL)
	PHP_FE(caca_utf8_to_utf32, NULL)
	PHP_FE(caca_utf32_to_utf8, NULL)
	PHP_FE(caca_utf32_to_cp437, NULL)
	PHP_FE(caca_cp437_to_utf32, NULL)
	PHP_FE(caca_utf32_to_ascii, NULL)
	PHP_FE(caca_utf32_is_fullwidth, NULL)
	PHP_FE(caca_draw_line, NULL)
	PHP_FE(caca_draw_polyline, NULL)
	PHP_FE(caca_draw_thin_line, NULL)
	PHP_FE(caca_draw_thin_polyline, NULL)
	PHP_FE(caca_draw_circle, NULL)
	PHP_FE(caca_draw_ellipse, NULL)
	PHP_FE(caca_draw_thin_ellipse, NULL)
	PHP_FE(caca_fill_ellipse, NULL)
	PHP_FE(caca_draw_box, NULL)
	PHP_FE(caca_draw_thin_box, NULL)
	PHP_FE(caca_draw_cp437_box, NULL)
	PHP_FE(caca_fill_box, NULL)
	PHP_FE(caca_draw_triangle, NULL)
	PHP_FE(caca_draw_thin_triangle, NULL)
	PHP_FE(caca_fill_triangle, NULL)
	PHP_FE(caca_get_frame_count, NULL)
	PHP_FE(caca_set_frame, NULL)
	PHP_FE(caca_set_frame_name, NULL)
	PHP_FE(caca_create_frame, NULL)
	PHP_FE(caca_free_frame, NULL)
	PHP_FE(caca_create_dither, NULL)
	PHP_FE(caca_set_dither_palette, NULL)
	PHP_FE(caca_set_dither_brightness, NULL)
	PHP_FE(caca_get_dither_brightness, NULL)
	PHP_FE(caca_set_dither_gamma, NULL)
	PHP_FE(caca_get_dither_gamma, NULL)
	PHP_FE(caca_set_dither_contrast, NULL)
	PHP_FE(caca_get_dither_contrast, NULL)
	PHP_FE(caca_set_dither_antialias, NULL)
	PHP_FE(caca_get_dither_antialias_list, NULL)
	PHP_FE(caca_get_dither_antialias, NULL)
	PHP_FE(caca_set_dither_color, NULL)
	PHP_FE(caca_get_dither_color_list, NULL)
	PHP_FE(caca_get_dither_color, NULL)
	PHP_FE(caca_set_dither_charset, NULL)
	PHP_FE(caca_get_dither_charset_list, NULL)
	PHP_FE(caca_get_dither_charset, NULL)
	PHP_FE(caca_set_dither_algorithm, NULL)
	PHP_FE(caca_get_dither_algorithm_list, NULL)
	PHP_FE(caca_get_dither_algorithm, NULL)
	PHP_FE(caca_dither_bitmap, NULL)
	PHP_FE(caca_load_font, NULL)
	PHP_FE(caca_load_builtin_font, NULL)
	PHP_FE(caca_get_font_list, NULL)
	PHP_FE(caca_get_font_width, NULL)
	PHP_FE(caca_get_font_height, NULL)
	PHP_FE(caca_get_font_blocks, NULL)
	PHP_FE(caca_render_canvas, NULL)
	PHP_FE(caca_canvas_set_figfont, NULL)
	PHP_FE(caca_put_figchar, NULL)
	PHP_FE(caca_flush_figlet, NULL)
	PHP_FE(caca_file_open, NULL)
	PHP_FE(caca_file_close, NULL)
	PHP_FE(caca_file_tell, NULL)
	PHP_FE(caca_file_read, NULL)
	PHP_FE(caca_file_write, NULL)
	PHP_FE(caca_file_gets, NULL)
	PHP_FE(caca_file_eof, NULL)
	PHP_FE(caca_import_string, NULL)
	PHP_FE(caca_import_file, NULL)
	PHP_FE(caca_get_import_list, NULL)
	PHP_FE(caca_export_string, NULL)
	PHP_FE(caca_get_export_list, NULL)
	PHP_FE(caca_create_display, NULL)
	PHP_FE(caca_create_display_with_driver, NULL)
	PHP_FE(caca_get_display_driver_list, NULL)
	PHP_FE(caca_get_display_driver, NULL)
	PHP_FE(caca_set_display_driver, NULL)
	PHP_FE(caca_get_canvas, NULL)
	PHP_FE(caca_refresh_display, NULL)
	PHP_FE(caca_set_display_time, NULL)
	PHP_FE(caca_get_display_time, NULL)
	PHP_FE(caca_get_display_width, NULL)
	PHP_FE(caca_get_display_height, NULL)
	PHP_FE(caca_set_display_title, NULL)
	PHP_FE(caca_set_mouse, NULL)
	PHP_FE(caca_set_cursor, NULL)
	PHP_FE(caca_get_event, NULL)
	PHP_FE(caca_get_mouse_x, NULL)
	PHP_FE(caca_get_mouse_y, NULL)
	PHP_FE(caca_get_event_type, NULL)
	PHP_FE(caca_get_event_key_ch, NULL)
	PHP_FE(caca_get_event_mouse_button, NULL)
	PHP_FE(caca_get_event_mouse_x, NULL)
	PHP_FE(caca_get_event_mouse_y, NULL)
	PHP_FE(caca_get_event_resize_width, NULL)
	PHP_FE(caca_get_event_resize_height, NULL)

	{NULL, NULL, NULL}
};

zend_module_entry caca_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
	STANDARD_MODULE_HEADER,
#endif
	PHP_CACA_EXTNAME,
	caca_functions,
	PHP_MINIT(caca),
	NULL,
	NULL,
	NULL,
	PHP_MINFO(caca),
#if ZEND_MODULE_API_NO >= 20010901
	PHP_CACA_VERSION,
#endif
	STANDARD_MODULE_PROPERTIES
};

#ifdef COMPILE_DL_CACA
ZEND_GET_MODULE(caca)
#endif

PHP_MINFO_FUNCTION(caca) {
	php_info_print_table_start();
	php_info_print_table_row(2, "Caca library version", caca_get_version());
	php_info_print_table_end();
}

//-------- Caca's ressources destructors -----------//

static void php_caca_canvas_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	caca_free_canvas(rsrc->ptr);
}

static void php_caca_dither_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	caca_free_dither(rsrc->ptr);
}

static void php_caca_font_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	caca_free_font(rsrc->ptr);
}

static void php_caca_file_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	caca_file_close(rsrc->ptr);
}

static void php_caca_display_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	caca_free_display(rsrc->ptr);
}

static void php_caca_event_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) {
	efree((caca_event_t *) rsrc->ptr);
}

//-------- Initialization ---------//

PHP_MINIT_FUNCTION(caca) {

	le_caca_canvas = zend_register_list_destructors_ex(php_caca_canvas_dtor, NULL, PHP_CACA_CANVAS_RES_NAME, module_number);
	le_caca_dither = zend_register_list_destructors_ex(php_caca_dither_dtor, NULL, PHP_CACA_DITHER_RES_NAME, module_number);
	le_caca_font = zend_register_list_destructors_ex(php_caca_font_dtor, NULL, PHP_CACA_FONT_RES_NAME, module_number);
	le_caca_file = zend_register_list_destructors_ex(php_caca_file_dtor, NULL, PHP_CACA_FILE_RES_NAME, module_number);
	le_caca_display = zend_register_list_destructors_ex(php_caca_display_dtor, NULL, PHP_CACA_DISPLAY_RES_NAME, module_number);
	le_caca_event = zend_register_list_destructors_ex(php_caca_event_dtor, NULL, PHP_CACA_EVENT_RES_NAME, module_number);
	
	REGISTER_LONG_CONSTANT("CACA_BLACK", CACA_BLACK, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_BLUE", CACA_BLUE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_GREEN", CACA_GREEN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_CYAN", CACA_CYAN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_RED", CACA_RED, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_MAGENTA", CACA_MAGENTA, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_BROWN", CACA_BROWN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTGRAY", CACA_LIGHTGRAY, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_DARKGRAY", CACA_DARKGRAY, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTBLUE", CACA_LIGHTBLUE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTGREEN", CACA_LIGHTGREEN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTCYAN", CACA_LIGHTCYAN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTRED", CACA_LIGHTRED, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_LIGHTMAGENTA", CACA_LIGHTMAGENTA, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_YELLOW", CACA_YELLOW, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_WHITE", CACA_WHITE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_DEFAULT", CACA_DEFAULT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_TRANSPARENT", CACA_TRANSPARENT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_BOLD", CACA_BOLD, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_ITALICS", CACA_ITALICS, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_UNDERLINE", CACA_UNDERLINE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_BLINK", CACA_BLINK, CONST_CS | CONST_PERSISTENT);

	REGISTER_LONG_CONSTANT("CACA_EVENT_NONE", CACA_EVENT_NONE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_KEY_PRESS", CACA_EVENT_KEY_PRESS, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_KEY_RELEASE", CACA_EVENT_KEY_RELEASE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_MOUSE_PRESS", CACA_EVENT_MOUSE_PRESS, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_MOUSE_RELEASE", CACA_EVENT_MOUSE_RELEASE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_MOUSE_MOTION", CACA_EVENT_MOUSE_MOTION, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_RESIZE", CACA_EVENT_RESIZE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_QUIT", CACA_EVENT_QUIT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_EVENT_ANY", CACA_EVENT_ANY, CONST_CS | CONST_PERSISTENT);

	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_A", CACA_KEY_CTRL_A, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_B", CACA_KEY_CTRL_B, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_C", CACA_KEY_CTRL_C, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_D", CACA_KEY_CTRL_D, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_E", CACA_KEY_CTRL_E, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_F", CACA_KEY_CTRL_F, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_G", CACA_KEY_CTRL_G, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_BACKSPACE", CACA_KEY_BACKSPACE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_TAB", CACA_KEY_TAB, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_J", CACA_KEY_CTRL_J, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_K", CACA_KEY_CTRL_K, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_L", CACA_KEY_CTRL_L, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_RETURN", CACA_KEY_RETURN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_N", CACA_KEY_CTRL_N, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_O", CACA_KEY_CTRL_O, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_P", CACA_KEY_CTRL_P, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_Q", CACA_KEY_CTRL_Q, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_R", CACA_KEY_CTRL_R, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_PAUSE", CACA_KEY_PAUSE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_T", CACA_KEY_CTRL_T, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_U", CACA_KEY_CTRL_U, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_V", CACA_KEY_CTRL_V, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_W", CACA_KEY_CTRL_W, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_X", CACA_KEY_CTRL_X, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_Y", CACA_KEY_CTRL_Y, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_CTRL_Z", CACA_KEY_CTRL_Z, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_ESCAPE", CACA_KEY_ESCAPE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_DELETE", CACA_KEY_DELETE, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_UP", CACA_KEY_UP, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_DOWN", CACA_KEY_DOWN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_LEFT", CACA_KEY_LEFT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_RIGHT", CACA_KEY_RIGHT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_INSERT", CACA_KEY_INSERT, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_HOME", CACA_KEY_HOME, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_END", CACA_KEY_END, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_PAGEUP", CACA_KEY_PAGEUP, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_PAGEDOWN", CACA_KEY_PAGEDOWN, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F1", CACA_KEY_F1, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F2", CACA_KEY_F2, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F3", CACA_KEY_F3, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F4", CACA_KEY_F4, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F5", CACA_KEY_F5, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F6", CACA_KEY_F6, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F7", CACA_KEY_F7, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F8", CACA_KEY_F8, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F9", CACA_KEY_F9, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F10", CACA_KEY_F10, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F11", CACA_KEY_F11, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F12", CACA_KEY_F12, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F13", CACA_KEY_F13, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F14", CACA_KEY_F14, CONST_CS | CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("CACA_KEY_F15", CACA_KEY_F15, CONST_CS | CONST_PERSISTENT);

	return SUCCESS;
}

//---------- Some usefull macros ---------------//

#define FETCH_CANVAS(canvas) \
	zval *_zval; \
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) { \
		RETURN_FALSE; \
	} \
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas); 

#define FETCH_DISPLAY(display) \
	zval *_zval; \
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) { \
		RETURN_FALSE; \
	} \
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display); 

#define FETCH_EVENT(event) \
	zval *_zval; \
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) { \
		RETURN_FALSE; \
	} \
	ZEND_FETCH_RESOURCE(event, caca_event_t*, &_zval, -1, PHP_CACA_EVENT_RES_NAME, le_caca_event); 

#define FETCH_LONG(l) \
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &l) == FAILURE) { \
		RETURN_FALSE; \
	}

#define RETURN_CHAR(c) \
	char *str = emalloc(2); \
	str[0] = c; \
	str[1] = '\0'; \
	RETURN_STRING(str, 0);

#define RETURN_SUCCESS(i) \
	RETURN_BOOL((i) == 0);

//---------- Some usefull functions --------------------//

//Fetch external php resources such as gd resouces

void *fetch_external_resource(zval *_zval, char const *type_name) {
	int resource_id = _zval->value.lval;
	int resource_type;
	void *result = zend_list_find(resource_id, &resource_type);
	if (!result) 
		return NULL;
	char *resource_type_name = zend_rsrc_list_get_rsrc_type(resource_id);
	return (strcmp(resource_type_name, type_name) == 0) ? result : NULL;
}

//Fetch buffer of pixels from gdImage

void *gd_get_pixels(gdImage *img) {
	void *result;
	int j, pitch;		
	if (img->trueColor)  {
		pitch = img->sx * sizeof(int);
		result = malloc(img->sy * pitch);
		for (j = 0; j < img->sy; j++)
			memcpy(result + (j * pitch), (const void *) img->tpixels[j], pitch);
	}
	else {
		pitch = img->sx * sizeof(char);
		result = malloc(img->sy * pitch);
		for (j = 0; j < img->sy; j++)
			memcpy(result + (j * pitch), (const void *) img->pixels[j], pitch);
	}
	return result;
}

int gd_load_palette(gdImage *img, caca_dither_t *dither) {
	if (!img || img->trueColor || gdMaxColors != 256) {
		return -1;
	}

	uint32_t r[256], g[256], b[256], a[256];
	int i;
	for (i = 0; i < 256; i++) {
		r[i] = img->red[i] << 4;
		g[i] = img->green[i] << 4;
		b[i] = img->blue[i] << 4;
		a[i] = img->alpha[i] << 4;
	}

	return caca_set_dither_palette(dither, &r[0], &g[0], &b[0], &a[0]);
}

//------- Caca's functions ----------------//

PHP_FUNCTION(caca_create_canvas) {
	long width, height = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &width, &height) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas = caca_create_canvas(width, height);
	if (!canvas) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, canvas, le_caca_canvas);
}

PHP_FUNCTION(caca_set_canvas_size) {
	zval *_zval;
	long width, height = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &width, &height) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_canvas_size(canvas, width, height));
}

PHP_FUNCTION(caca_get_canvas_width) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_canvas_width(canvas));
}

PHP_FUNCTION(caca_get_canvas_height) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_canvas_height(canvas));
}

PHP_FUNCTION(caca_get_canvas_chars) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_STRING((char *) caca_get_canvas_chars(canvas), 1); 
}

PHP_FUNCTION(caca_get_canvas_attrs) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_STRING((char *) caca_get_canvas_attrs(canvas), 1);
}

PHP_FUNCTION(caca_rand) {
	long min, max = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &min, &max) == FAILURE) {
		RETURN_FALSE;
	}
	RETURN_LONG(caca_rand(min, max));
}

PHP_FUNCTION(caca_get_version) {
	RETURN_STRING((char *) caca_get_version(), 1);
}

PHP_FUNCTION(caca_gotoxy) {
	zval *_zval;
	long x, y = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &x, &y) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_gotoxy(canvas, x, y));
}

PHP_FUNCTION(caca_get_cursor_x) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_cursor_x(canvas));
}

PHP_FUNCTION(caca_get_cursor_y) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_cursor_y(canvas));
}

PHP_FUNCTION(caca_put_char) {
	zval *_zval;
	long x, y, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &_zval, &x, &y, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_put_char(canvas, x, y, c));
}

PHP_FUNCTION(caca_get_char) {
	zval *_zval;
	long x, y = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &x, &y) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_CHAR(caca_get_char(canvas, x, y));
}

PHP_FUNCTION(caca_put_str) {
	zval *_zval;
	char *str;
	long x, y, str_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlls", &_zval, &x, &y, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_put_str(canvas, x, y, str));
}

PHP_FUNCTION(caca_clear_canvas) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_clear_canvas(canvas));
}

PHP_FUNCTION(caca_set_canvas_handle) {
	zval *_zval;
	long x, y = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &x, &y) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_canvas_handle(canvas, x, y));
}

PHP_FUNCTION(caca_get_canvas_handle_x) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_canvas_handle_x(canvas));
}

PHP_FUNCTION(caca_get_canvas_handle_y) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_LONG(caca_get_canvas_handle_y(canvas));
}

PHP_FUNCTION(caca_blit) {
	zval *_zval1, *_zval2, *_zval3 = NULL;
	long x, y = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllr|r", &_zval1, &x, &y, &_zval2, &_zval3) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *dst, *src, *mask = NULL;
	ZEND_FETCH_RESOURCE(dst, caca_canvas_t*, &_zval1, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	ZEND_FETCH_RESOURCE(src, caca_canvas_t*, &_zval2, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	if (_zval3) {
		ZEND_FETCH_RESOURCE(mask, caca_canvas_t*, &_zval3, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	}
	RETURN_SUCCESS(caca_blit(dst, x, y, src, NULL));
}

PHP_FUNCTION(caca_set_canvas_boundaries) {
	zval *_zval;
	long x, y, width, height = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &x, &y, &width, &height) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_canvas_boundaries(canvas, x, y, width, height));
}

PHP_FUNCTION(caca_invert) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_invert(canvas));
}

PHP_FUNCTION(caca_flip) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_flip(canvas));
}

PHP_FUNCTION(caca_flop) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_flop(canvas));
}

PHP_FUNCTION(caca_rotate_180) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_rotate_180(canvas));
}

PHP_FUNCTION(caca_rotate_left) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_rotate_left(canvas));
}

PHP_FUNCTION(caca_rotate_right) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_rotate_right(canvas));
}

PHP_FUNCTION(caca_stretch_left) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_stretch_left(canvas));
}

PHP_FUNCTION(caca_stretch_right) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);
	RETURN_SUCCESS(caca_stretch_right(canvas));
}

PHP_FUNCTION(caca_get_attr) {
	zval *_zval;
	long x, y = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &x, &y) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_LONG(caca_get_attr(canvas, x, y));
}

PHP_FUNCTION(caca_set_attr) {
	zval *_zval;
	long attr = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &attr) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_attr(canvas, attr));
}

PHP_FUNCTION(caca_put_attr) {
	zval *_zval;
	long x, y, attr = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlll", &_zval, &x, &y, &attr) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_put_attr(canvas, x, y, attr));
}

PHP_FUNCTION(caca_set_color_ansi) {
	zval *_zval;
	long foreground, background = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &foreground, &background) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_color_ansi(canvas, foreground, background));
}

PHP_FUNCTION(caca_set_color_argb) {
	zval *_zval;
	long foreground, background = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &_zval, &foreground, &background) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_color_argb(canvas, foreground, background));
}

PHP_FUNCTION(caca_attr_to_ansi) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_attr_to_ansi(l));
}

PHP_FUNCTION(caca_attr_to_ansi_fg) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_attr_to_ansi_fg(l));
}

PHP_FUNCTION(caca_attr_to_ansi_bg) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_attr_to_ansi_bg(l));
}

PHP_FUNCTION(caca_attr_to_rgb12_fg) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_attr_to_rgb12_fg(l));
}

PHP_FUNCTION(caca_attr_to_rgb12_bg) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_attr_to_rgb12_bg(l));
}

PHP_FUNCTION(caca_attr_to_argb64) {
	//TODO: write or delete
}

PHP_FUNCTION(caca_utf8_to_utf32) {
	//TODO: write or delete
}

PHP_FUNCTION(caca_utf32_to_utf8) {
	//TODO: write or delete
}

PHP_FUNCTION(caca_utf32_to_cp437) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_utf32_to_cp437(l));
}

PHP_FUNCTION(caca_cp437_to_utf32) {
	long l;
	FETCH_LONG(l);
	RETURN_LONG(caca_cp437_to_utf32(l));
}

PHP_FUNCTION(caca_utf32_to_ascii) {
	long l;
	FETCH_LONG(l);
	RETURN_CHAR(caca_utf32_to_ascii(l));
}

PHP_FUNCTION(caca_utf32_is_fullwidth) {
}

PHP_FUNCTION(caca_draw_line) {
	zval *_zval;
	long xa, ya, xb, yb, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &_zval, &xa, &ya, &xb, &yb, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_line(canvas, xa, ya, xb, yb, c));
}

PHP_FUNCTION(caca_draw_polyline) {
	zval *zval_res, *zval_arr;
	long c;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ral", &zval_res, &zval_arr, &c) == FAILURE) {
		RETURN_FALSE;
	}

	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &zval_res, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	HashTable *arr_hash = Z_ARRVAL_P(zval_arr);
	int lenmax = zend_hash_num_elements(arr_hash);
	int *tbl_x, *tbl_y;
	int tbl_count = 0;
	tbl_x = malloc(sizeof(int) * lenmax);
	tbl_y = malloc(sizeof(int) * lenmax);
	
	HashPosition pos;
	zval **pt, **x, **y;
	for (
		zend_hash_internal_pointer_reset_ex(arr_hash, &pos); 
		zend_hash_get_current_data_ex(arr_hash, (void**) &pt, &pos) == SUCCESS; 
		zend_hash_move_forward_ex(arr_hash, &pos)
	) {
		if (
			Z_TYPE_P(*pt) == IS_ARRAY 
			&& (zend_hash_index_find(Z_ARRVAL_P(*pt), 0, (void**) &x) != FAILURE)
			&& (zend_hash_index_find(Z_ARRVAL_P(*pt), 1, (void**) &y) != FAILURE)
		) {
			convert_to_long_ex(x);
			convert_to_long_ex(y);
			tbl_x[tbl_count] = Z_LVAL_PP(x);
			tbl_y[tbl_count] = Z_LVAL_PP(y);
			tbl_count++;
		}
	}
	int res = caca_draw_polyline(canvas, tbl_x, tbl_y, tbl_count - 1, c);
	free(tbl_x);
	free(tbl_y);
	RETURN_SUCCESS(res);
}

PHP_FUNCTION(caca_draw_thin_line) {
	zval *_zval;
	long xa, ya, xb, yb = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &xa, &ya, &xb, &yb) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_thin_line(canvas, xa, ya, xb, yb));
}

PHP_FUNCTION(caca_draw_thin_polyline) {
	zval *zval_res, *zval_arr;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &zval_res, &zval_arr) == FAILURE) {
		RETURN_FALSE;
	}

	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &zval_res, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	HashTable *arr_hash = Z_ARRVAL_P(zval_arr);
	int lenmax = zend_hash_num_elements(arr_hash);
	int *tbl_x, *tbl_y;
	int tbl_count = 0;
	tbl_x = malloc(sizeof(int) * lenmax);
	tbl_y = malloc(sizeof(int) * lenmax);

	if (!tbl_x || !tbl_y) {
		RETURN_FALSE;
	}
	
	HashPosition pos;
	zval **pt, **x, **y;
	for (
		zend_hash_internal_pointer_reset_ex(arr_hash, &pos); 
		zend_hash_get_current_data_ex(arr_hash, (void**) &pt, &pos) == SUCCESS; 
		zend_hash_move_forward_ex(arr_hash, &pos)
	) {
		if (
			Z_TYPE_P(*pt) == IS_ARRAY 
			&& (zend_hash_index_find(Z_ARRVAL_P(*pt), 0, (void**) &x) != FAILURE)
			&& (zend_hash_index_find(Z_ARRVAL_P(*pt), 1, (void**) &y) != FAILURE)
		) {
			convert_to_long_ex(x);
			convert_to_long_ex(y);
			tbl_x[tbl_count] = Z_LVAL_PP(x);
			tbl_y[tbl_count] = Z_LVAL_PP(y);
			tbl_count++;
		}
	}
	int res = caca_draw_thin_polyline(canvas, tbl_x, tbl_y, tbl_count - 1);
	free(tbl_x);
	free(tbl_y);
	RETURN_SUCCESS(res);
}

PHP_FUNCTION(caca_draw_circle) {
	zval *_zval;
	long x, y, r, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &x, &y, &r, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_circle(canvas, x, y, r, c));
}

PHP_FUNCTION(caca_draw_ellipse) {
	zval *_zval;
	long xa, ya, xb, yb, c = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &_zval, &xa, &ya, &xb, &yb, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_ellipse(canvas, xa, ya, xb, yb, c));
}

PHP_FUNCTION(caca_draw_thin_ellipse) {
	zval *_zval;
	long xa, ya, xb, yb = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &xa, &ya, &xb, &yb) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_thin_ellipse(canvas, xa, ya, xb, yb));
}

PHP_FUNCTION(caca_fill_ellipse) {
	zval *_zval;
	long xa, ya, xb, yb, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &_zval, &xa, &ya, &xb, &yb, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_fill_ellipse(canvas, xa, ya, xb, yb, c));
}

PHP_FUNCTION(caca_draw_box) {
	zval *_zval;
	long xa, ya, xb, yb, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &_zval, &xa, &ya, &xb, &yb, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_box(canvas, xa, ya, xb, yb, c));
}

PHP_FUNCTION(caca_draw_thin_box) {
	zval *_zval;
	long xa, ya, xb, yb = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &xa, &ya, &xb, &yb) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_thin_box(canvas, xa, ya, xb, yb));
}

PHP_FUNCTION(caca_draw_cp437_box) {
	zval *_zval;
	long xa, ya, xb, yb;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllll", &_zval, &xa, &ya, &xb, &yb) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_cp437_box(canvas, xa, ya, xb, yb));
}

PHP_FUNCTION(caca_fill_box) {
	zval *_zval;
	long xa, ya, xb, yb, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllll", &_zval, &xa, &ya, &xb, &yb, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_fill_box(canvas, xa, ya, xb, yb, c));
}

PHP_FUNCTION(caca_draw_triangle) {
	zval *_zval;
	long xa, ya, xb, yb, xc, yc, c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllllll", &_zval, &xa, &ya, &xb, &yb, &xc, &yc, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_triangle(canvas, xa, ya, xb, yb, xc, yc, c));
}

PHP_FUNCTION(caca_draw_thin_triangle) {
	zval *_zval;
	long xa, ya, xb, yb, xc, yc = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllllll", &_zval, &xa, &ya, &xb, &yb, &xc, &yc) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_draw_thin_triangle(canvas, xa, ya, xb, yb, xc, yc));
}

PHP_FUNCTION(caca_fill_triangle) {
	zval *_zval;
	long xa, ya, xb, yb, xc, yc, c = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlllllll", &_zval, &xa, &ya, &xb, &yb, &xc, &yc, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_fill_triangle(canvas, xa, ya, xb, yb, xc, yc, c));
}

PHP_FUNCTION(caca_get_frame_count) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_LONG(caca_get_canvas_count(canvas));
}

PHP_FUNCTION(caca_set_frame) {
	zval *_zval;
	long id;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &id) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_frame(canvas, id));
}

PHP_FUNCTION(caca_set_frame_name) {
	zval *_zval;
	char *str;
	long str_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_set_frame_name(canvas, str));
}

PHP_FUNCTION(caca_create_frame) {
	zval *_zval;
	long id;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &id) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_create_frame(canvas, id));
}

PHP_FUNCTION(caca_free_frame) {
	zval *_zval;
	long id;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &id) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_free_frame(canvas, id));
}

PHP_FUNCTION(caca_create_dither) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}

	gdImage *img = fetch_external_resource(_zval, "gd");
	if (!img) {
		RETURN_FALSE;
	}

	caca_dither_t *dither;
	if (img->trueColor)
		dither = caca_create_dither(sizeof(int) * 8, img->sx, img->sy, img->sx * sizeof(int), 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000);
	else
		dither = caca_create_dither(sizeof(char) * 8, img->sx, img->sy, img->sx * sizeof(char), 0, 0, 0, 0);

	if (!dither) {
		RETURN_FALSE;
	}

	ZEND_REGISTER_RESOURCE(return_value, dither, le_caca_dither);
}

PHP_FUNCTION(caca_set_dither_palette) {
	zval *zval_res, *arr;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ra", &zval_res, &arr) == FAILURE) {
		RETURN_FALSE;
	}

	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &zval_res, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_dither);

	uint32_t tbl[4][256];
	zval **color, **value;
	int i, j;
	for (i = 0; i < 256; i++) {
		if (zend_hash_index_find(Z_ARRVAL_P(arr), i, (void**) &color) == FAILURE || Z_TYPE_P(*color) != IS_ARRAY) {
			RETURN_FALSE;
		}
		for (j = 0; j < 4; j++) {
			if (zend_hash_index_find(Z_ARRVAL_P(*color), j, (void**) &value) == FAILURE) {
				RETURN_FALSE;
			}
			convert_to_long_ex(value);
			tbl[j][i] = Z_LVAL_PP(value);
		}
	}
	RETURN_SUCCESS(caca_set_dither_palette(dither, tbl[0], tbl[1], tbl[2], tbl[3]));
}

PHP_FUNCTION(caca_set_dither_brightness) {
	zval *_zval;
	double value;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rd", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_brightness(dither, value));
}

PHP_FUNCTION(caca_get_dither_brightness) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_DOUBLE(caca_get_dither_brightness(dither));
}

PHP_FUNCTION(caca_set_dither_gamma) {
	zval *_zval;
	double value;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rd", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_gamma(dither, value));
}

PHP_FUNCTION(caca_get_dither_gamma) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_DOUBLE(caca_get_dither_gamma(dither));
}

PHP_FUNCTION(caca_set_dither_contrast) {
	zval *_zval;
	double value;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rd", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_contrast(dither, value));
}

PHP_FUNCTION(caca_get_dither_contrast) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_DOUBLE(caca_get_dither_contrast(dither));
}

PHP_FUNCTION(caca_set_dither_antialias) {
	zval *_zval;
	int str_len;
	char *str;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_antialias(dither, str));
}

PHP_FUNCTION(caca_get_dither_antialias_list) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);

	char const * const *list = caca_get_dither_antialias_list(dither);
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 1)
		add_next_index_string(return_value, (char*) list[i], 1);
}

PHP_FUNCTION(caca_get_dither_antialias) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_STRING((char *) caca_get_dither_antialias(dither), 1);
}

PHP_FUNCTION(caca_set_dither_color) {
	zval *_zval;
	int str_len;
	char *str;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_color(dither, str));
}

PHP_FUNCTION(caca_get_dither_color_list) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);

	char const * const *list = caca_get_dither_antialias_list(dither);
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_get_dither_color) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_STRING((char *) caca_get_dither_color(dither), 1);
}

PHP_FUNCTION(caca_set_dither_charset) {
	zval *_zval;
	int str_len;
	char *str;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_charset(dither, str));
}

PHP_FUNCTION(caca_get_dither_charset_list) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);

	char const * const *list = caca_get_dither_charset_list(dither);
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_get_dither_charset) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_STRING((char *) caca_get_dither_charset(dither), 1);
}

PHP_FUNCTION(caca_set_dither_algorithm) {
	zval *_zval;
	int str_len;
	char *str;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_SUCCESS(caca_set_dither_algorithm(dither, str));
}

PHP_FUNCTION(caca_get_dither_algorithm_list) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);

	char const * const *list = caca_get_dither_algorithm_list(dither);
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_get_dither_algorithm) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);
	RETURN_STRING((char *) caca_get_dither_algorithm(dither), 1);
}

PHP_FUNCTION(caca_dither_bitmap) {
	zval *_zval1, *_zval2, *_zval3;
	long x, y, w, h = 0;
	zend_bool load_palette = 1;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rllllrr|b", &_zval1, &x, &y, &w, &h, &_zval2, &_zval3, &load_palette) == FAILURE) {
		RETURN_FALSE;
	}

	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval1, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	caca_dither_t *dither;
	ZEND_FETCH_RESOURCE(dither, caca_dither_t*, &_zval2, -1, PHP_CACA_DITHER_RES_NAME, le_caca_dither);

	gdImage *img = fetch_external_resource(_zval3, "gd");
	if (!img) {
		RETURN_FALSE;
	}

	void *pixels = gd_get_pixels(img);
	if (!pixels) {
		RETURN_FALSE;
	}

	//load palette if image is not true color
	if (load_palette && !img->trueColor && gd_load_palette(img, dither) != 0) {
		RETURN_FALSE;
	}

	caca_dither_bitmap(canvas, x, y, w, h, dither, pixels);
	free(pixels);
	RETURN_TRUE;
}

PHP_FUNCTION(caca_load_font) {
	char *str;
	long str_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_font_t *font = caca_load_font(str, str_len);
	if (!font) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, font, le_caca_font);
}

PHP_FUNCTION(caca_load_builtin_font) {
	char *str;
	long str_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_font_t *font = caca_load_font(str, 0);
	if (!font) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, font, le_caca_font);
}

PHP_FUNCTION(caca_get_font_list) {
	char const * const *list = caca_get_font_list();
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 1)
		add_next_index_string(return_value, (char*) list[i], 1);
}

PHP_FUNCTION(caca_get_font_width) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_font_t *font;
	ZEND_FETCH_RESOURCE(font, caca_font_t*, &_zval, -1, PHP_CACA_FONT_RES_NAME, le_caca_font);
	RETURN_LONG(caca_get_font_width(font));
}

PHP_FUNCTION(caca_get_font_height) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_font_t *font;
	ZEND_FETCH_RESOURCE(font, caca_font_t*, &_zval, -1, PHP_CACA_FONT_RES_NAME, le_caca_font);
	RETURN_LONG(caca_get_font_height(font));
}

PHP_FUNCTION(caca_get_font_blocks) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_font_t *font;
	ZEND_FETCH_RESOURCE(font, caca_font_t*, &_zval, -1, PHP_CACA_FONT_RES_NAME, le_caca_font);

	uint32_t const *list = caca_get_font_blocks(font);

	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 1)
		add_next_index_long(return_value, list[i]);
}

PHP_FUNCTION(caca_render_canvas) {
	zval *_zval1, *_zval2, *_zval3;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rrr", &_zval1, &_zval2, &_zval3) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval1, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	caca_font_t *font;
	ZEND_FETCH_RESOURCE(font, caca_font_t*, &_zval2, -1, PHP_CACA_FONT_RES_NAME, le_caca_font);

	gdImage *img = fetch_external_resource(_zval3, "gd");
	if (!img || !img->trueColor) {
		RETURN_FALSE;
	}

	int pitch = img->sx * 4;
	uint8_t *buffer = malloc(pitch * img->sy);
	if (!buffer) {
		RETURN_FALSE;
	}

	caca_render_canvas(canvas, font, (void *) buffer, img->sx, img->sy, pitch);
	int i, j;
	for (i = 0; i < img->sy; i++) {
		for (j = 0; j < img->sx; j++) {
			uint8_t *src = buffer + i * pitch + j * 4;
			img->tpixels[i][j] = *(src + 3)	| (*(src + 2) << 8) | (*(src + 1) << 16) | (*(src + 0) << 24);
		}
	}
	
	free(buffer);
	RETURN_TRUE;
}

PHP_FUNCTION(caca_canvas_set_figfont) {
	zval *_zval;
	char *font;
	long font_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &font, &font_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_canvas_set_figfont(canvas, font));
}

PHP_FUNCTION(caca_put_figchar) {
	zval *_zval;
	long c;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &c) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	RETURN_SUCCESS(caca_put_figchar(canvas, c));
}

PHP_FUNCTION(caca_flush_figlet) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);
	RETURN_SUCCESS(caca_flush_figlet(canvas));
}

PHP_FUNCTION(caca_file_open) {
	char *path, *mode;
	long path_len, mode_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &path, &path_len, &mode, &mode_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file = caca_file_open(path, mode);
	if (!file) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, file, le_caca_file);
}

PHP_FUNCTION(caca_file_close) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);

	int res = caca_file_close(file);

	//Delete php resource
	zend_list_delete(_zval->value.lval);
	RETURN_SUCCESS(res);
}

PHP_FUNCTION(caca_file_tell) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);
	RETURN_LONG(caca_file_tell(file));
}

PHP_FUNCTION(caca_file_read) {
	zval *_zval;
	long len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);

	if (len < 1) {
		RETURN_FALSE;
	}
	char *buffer = emalloc(len);
	if (!buffer) {
		RETURN_FALSE;
	}
	caca_file_read(file, buffer, len);

	return_value->type = IS_STRING;
	return_value->value.str.len = len;
	return_value->value.str.val = buffer;
}

PHP_FUNCTION(caca_file_write) {
	zval *_zval;
	char *buf;
	long buf_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &buf, &buf_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);
	RETURN_LONG(caca_file_write(file, buf, buf_len));
}

PHP_FUNCTION(caca_file_gets) {
	zval *_zval;
	long len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);

	if (len < 1) {
		RETURN_FALSE;
	}
	char *buffer = emalloc(len);
	if (!buffer) {
		RETURN_FALSE;
	}
	char *result = caca_file_gets(file, buffer, len);
	if (!result) {
		RETURN_FALSE;
	}
	return_value->type = IS_STRING;
	return_value->value.str.len = len;
	return_value->value.str.val = result;
}

PHP_FUNCTION(caca_file_eof) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_file_t *file;
	ZEND_FETCH_RESOURCE(file, caca_file_t*, &_zval, -1, PHP_CACA_FILE_RES_NAME, le_caca_file);
	RETURN_BOOL(caca_file_eof(file) != 0);
}

PHP_FUNCTION(caca_import_string) {
	zval *_zval;
	char *src, *format;
	long src_len, format_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rss", &_zval, &src, &src_len, &format, &format_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	RETURN_LONG(caca_import_memory(canvas, src, src_len, format));
}

PHP_FUNCTION(caca_import_file) {
	zval *_zval;
	char *filename, *format;
	long filename_len, format_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rss", &_zval, &filename, &filename_len, &format, &format_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	RETURN_LONG(caca_import_file(canvas, filename, format));
}

PHP_FUNCTION(caca_get_import_list) {
	char const * const *list = caca_get_import_list();
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_export_string) {
	zval *_zval;
	char *type;
	long type_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &type, &type_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	void *buffer, *copy;
	size_t len;
	buffer = caca_export_memory(canvas, type, &len);
	copy = emalloc(len);
	if (!buffer || !copy) {
		RETURN_FALSE;
	}
	memcpy(copy, buffer, len);
	free(buffer);

	return_value->type = IS_STRING;
	return_value->value.str.len = len;
	return_value->value.str.val = copy;
}

PHP_FUNCTION(caca_get_export_list) {
	char const * const *list = caca_get_export_list();
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_create_display) {
	caca_canvas_t *canvas;
	FETCH_CANVAS(canvas);

	caca_display_t *display = caca_create_display(canvas);
	if (!display) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, display, le_caca_display);
}

PHP_FUNCTION(caca_create_display_with_driver) {
	zval *_zval;
	char *str;
	long str_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_canvas_t *canvas;
	ZEND_FETCH_RESOURCE(canvas, caca_canvas_t*, &_zval, -1, PHP_CACA_CANVAS_RES_NAME, le_caca_canvas);

	caca_display_t *display = caca_create_display_with_driver(canvas, str);
	if (!display) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, display, le_caca_display);
}

PHP_FUNCTION(caca_get_display_driver_list) {
	char const * const *list = caca_get_display_driver_list();
	int i;
	array_init(return_value);	
	for(i = 0; list[i]; i += 2)
		add_assoc_string(return_value, (char*) list[i], (char*) list[i + 1], 1);
}

PHP_FUNCTION(caca_get_display_driver) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_STRING((char *) caca_get_display_driver(display), 1);
}

PHP_FUNCTION(caca_set_display_driver) {
	zval *_zval;
	char *str;
	long str_len;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_SUCESS(caca_set_display_driver(display, str));
}

PHP_FUNCTION(caca_get_canvas) {
	zval *_zval;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &_zval) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	caca_canvas_t *canvas = caca_get_canvas(display);
	if (!canvas) {
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, canvas, le_caca_canvas);
}

PHP_FUNCTION(caca_refresh_display) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_SUCCESS(caca_refresh_display(display));
}

PHP_FUNCTION(caca_set_display_time) {
	zval *_zval;
	long value = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_SUCCESS(caca_set_display_time(display, value));
}

PHP_FUNCTION(caca_get_display_time) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_LONG(caca_get_display_time(display));
}

PHP_FUNCTION(caca_get_display_width) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_LONG(caca_get_display_width(display));
}

PHP_FUNCTION(caca_get_display_height) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_LONG(caca_get_display_height(display));
}

PHP_FUNCTION(caca_set_display_title) {
	zval *_zval;
	char *str;
	long str_len = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rs", &_zval, &str, &str_len) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_SUCCESS(caca_set_display(display, str));
}

PHP_FUNCTION(caca_set_mouse) {
	zval *_zval;
	long value = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_SUCCESS(caca_set_mouse(display, value));
}

PHP_FUNCTION(caca_set_cursor) {
	zval *_zval;
	long value = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &_zval, &value) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);
	RETURN_SUCCESS(caca_set_cursor(display, value));
}

PHP_FUNCTION(caca_get_event) {
	zval *_zval = NULL;
	long g, aa = 0;
	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl|l", &_zval, &g, &aa) == FAILURE) {
		RETURN_FALSE;
	}
	caca_display_t *display;
	ZEND_FETCH_RESOURCE(display, caca_display_t*, &_zval, -1, PHP_CACA_DISPLAY_RES_NAME, le_caca_display);

	caca_event_t *event = emalloc(sizeof(caca_event_t));
	if (!event) {
		RETURN_FALSE;
	}

	caca_get_event(display, g, event, aa);

	if (caca_get_event_type(event) == CACA_EVENT_NONE) {
		efree(event);	
		RETURN_FALSE;
	}
	ZEND_REGISTER_RESOURCE(return_value, event, le_caca_event);
}

PHP_FUNCTION(caca_get_mouse_x) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_LONG(caca_get_mouse_x(display));
}

PHP_FUNCTION(caca_get_mouse_y) {
	caca_display_t *display;
	FETCH_DISPLAY(display);
	RETURN_LONG(caca_get_mouse_y(display));
}

PHP_FUNCTION(caca_get_event_type) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_type(event));
}

PHP_FUNCTION(caca_get_event_key_ch) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_key_ch(event));
}

PHP_FUNCTION(caca_get_event_mouse_button) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_mouse_button(event));
}

PHP_FUNCTION(caca_get_event_mouse_x) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_mouse_x(event));
}

PHP_FUNCTION(caca_get_event_mouse_y) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_mouse_y(event));
}

PHP_FUNCTION(caca_get_event_resize_width) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_resize_width(event));
}

PHP_FUNCTION(caca_get_event_resize_height) {
	caca_event_t *event;
	FETCH_EVENT(event);
	RETURN_LONG(caca_get_event_resize_height(event));
}