All Functions and Procedures

Name	Unit	Description
ALLEGRO_BPM_TO_SECS	allegro5	Converts beats per minute to seconds.
ALLEGRO_BPS_TO_SECS	allegro5	Converts beats per second to seconds.
ALLEGRO_EVENT_TYPE_IS_USER	allegro5	Returns `True` if the event type is not a builtin event type, i.e.
ALLEGRO_GET_EVENT_TYPE	allegro5	Makes an event type identifier, which is a 32-bit integer.
ALLEGRO_MSECS_TO_SECS	allegro5	Converts milliseconds to seconds.
ALLEGRO_USECS_TO_SECS	allegro5	Converts microseconds to seconds.
al_acknowledge_drawing_halt	allegro5	Call this in response to the ALLEGRO_EVENT_DISPLAY_HALT_DRAWING event.
al_acknowledge_drawing_resume	allegro5	Call this in response to the event.
al_acknowledge_resize	allegro5	When the user receives a resize event (ALLEGRO_EVENT_DISPLAY_RESIZE from a resizable display, if they wish the display to be resized they must call this function to let the graphics driver know that it can now resize the display.
al_add_config_comment	allegro5	Adds a comment in a section of a configuration.
al_add_config_section	allegro5	Adds a section to a configuration structure with the given name.
al_add_new_bitmap_flag	allegro5	A convenience function which does the same as al_set_new_bitmap_flags (al_get_new_bitmap_flags OR flag);
al_add_timer_count	allegro5	Add `diff` to the timer's counter value.
al_apply_window_constraints	allegro5	Enables or disables previously set constraints by al_set_window_constraints function.
al_attach_audio_stream_to_mixer	al5audio	Attaches an audio stream to a mixer.
al_attach_audio_stream_to_voice	al5audio	Attaches an audio stream to a voice.
al_attach_mixer_to_mixer	al5audio	Attaches the mixer passed as the first argument onto the mixer passed as the second argument.
al_attach_mixer_to_voice	al5audio	Attaches a mixer to a voice.
al_attach_sample_instance_to_mixer	al5audio	Attaches a sample instance to a mixer.
al_attach_sample_instance_to_voice	al5audio	Attaches a sample instance to a voice, and allows it to play.
al_attach_shader_source	allegro5	Attaches the shader's source code to the shader object and compiles it.
al_attach_shader_source_file	allegro5	Like al_attach_shader_source but reads the source code for the shader from the named file.
al_build_camera_transform	allegro5	Builds a transformation which can be used to transform 3D coordinates in world space to camera space.
al_build_shader	allegro5	This is required before the shader can be used with al_use_shader.
al_build_transform	allegro5	Builds a transformation given some parameters.
al_calculate_arc	al5primitives	When `thickness <= 0` this function computes positions of num_points regularly spaced points on an elliptical arc.
al_calculate_arc_ex	al5primitives	Same than al_calculate_arc but using a pointer instead of an array.
al_calculate_ribbon	al5primitives	Calculates a ribbon given an array of points.
al_calculate_spline	al5primitives	Calculates a Bézier spline given 4 control points.
al_calloc	allegro5	Like `GetMem`, reserves memory enough to store `c` elements of `n` bytes each on heap and returns a pointer to this memory.
al_calloc_with_context	allegro5	This reserves memory for the Allegro library (this matters on Windows), unless overridden with al_set_memory_interface.
al_check_inverse	allegro5	Checks if the transformation has an inverse using the supplied tolerance.
al_clear_depth_buffer	allegro5	Clears the depth buffer (confined by the clipping rectangle) to the given value.
al_clear_keyboard_state	allegro5	Clears the state of the keyboard, emitting ALLEGRO_EVENT_KEY_UP for each currently pressed key.
al_clear_to_color	allegro5	Clears the complete target bitmap, but confined by the clipping rectangle.
al_clipboard_has_text	allegro5	This function returns true if and only if the clipboard has text available.
al_clone_bitmap	allegro5	Creates a new bitmap with `al_create_bitmap`, and copyes the pixel data from the old bitmap across.
al_close_video	al5video	Closes the video and frees all allocated resources.
al_color_cmyk	al5color	Returns an ALLEGRO_COLOR structure from CMYK values (cyan, magenta, yellow, black).
al_color_cmyk_to_rgb	al5color	Converts CMYK values to RGB values.
al_color_distance_ciede2000	al5color	This function computes the CIEDE2000 color difference between two RGB colors.
al_color_hsl	al5color	Returns an ALLEGRO_COLOR structure from HSL (hue, saturation, lightness) values.
al_color_hsl_to_rgb	al5color	Converts values in HSL color model to RGB color model.
al_color_hsv	al5color	Returns an ALLEGRO_COLOR structure from HSV (hue, saturation, value) values.
al_color_hsv_to_rgb	al5color	Converts values in HSV color model to RGB color model.
al_color_html	al5color	Interprets an HTML-style hex number (e.g.
al_color_html_to_rgb	al5color	Interprets an HTML-style hex number (e.g.
al_color_lab	al5color	Returns an ALLEGRO_COLOR structure from CIE Lab* values.
al_color_lab_to_rgb	al5color	Converts CIE Lab* color values to RGB color space.
al_color_lch	al5color	Returns an ALLEGRO_COLOR structure from CIE LCH values.
al_color_lch_to_rgb	al5color	Converts CIE LCH color values to RGB color space.
al_color_linear	al5color	Returns an ALLEGRO_COLOR structure from linear sRGB values.
al_color_linear_to_rgb	al5color	Converts linear sRGB color values to gamma corrected (i.e.
al_color_name	al5color	Returns an ALLEGRO_COLOR with the given name.
al_color_name_to_rgb	al5color	Given a name, returns the RGB triplet.
al_color_oklab	al5color
al_color_oklab_to_rgb	al5color
al_color_rgb_to_cmyk	al5color	Each RGB color can be represented in CMYK with a K component of 0 with the following formula: C = 1 - R M = 1 - G Y = 1 - B K = 0 This function will instead find the representation with the maximal value for K and minimal color components.
al_color_rgb_to_hsl	al5color	Given an RGB triplet with components in the range 0..1, returns the hue in degrees from 0..360 and saturation and lightness in the range 0..1.
al_color_rgb_to_hsv	al5color	Given an RGB triplet with components in the range 0..1, returns the hue in degrees from 0..360 and saturation and value in the range 0..1.
al_color_rgb_to_html	al5color	Creates an HTML-style string representation of an RGB triplet, e.g.
al_color_rgb_to_lab	al5color	Converts RGB values to Lab color space.
al_color_rgb_to_lch	al5color	Convert RGB values to CIE LCH color space.
al_color_rgb_to_linear	al5color	Converts gamma corrected sRGB values (i.e.
al_color_rgb_to_name	al5color	Given an RGB triplet with components in the range 0..1, find a color name describing it approximately.
al_color_rgb_to_oklab	al5color
al_color_rgb_to_xyy	al5color	Converts RGB values to xyY color space.
al_color_rgb_to_xyz	al5color	Converts RGB values to XYZ color space.
al_color_rgb_to_yuv	al5color	Converts RGB values to YUV color space.
al_color_xyy	al5color	Returns an ALLEGRO_COLOR structure from xyY values.
al_color_xyy_to_rgb	al5color	Converts xyY color values to RGB color space.
al_color_xyz	al5color	Returns an ALLEGRO_COLOR structure from XYZ values.
al_color_xyz_to_rgb	al5color	Converts XYZ color values to RGB color space.
al_color_yuv	al5color	Returns an ALLEGRO_COLOR structure from YUV values.
al_color_yuv_to_rgb	al5color	Converts YUV color values to RGB color space.
al_compose_transform	allegro5	Composes (combine) two transformations by a matrix multiplication.
al_convert_bitmap	allegro5	Converts the bitmap to the current bitmap flags and format.
al_convert_mask_to_alpha	allegro5	Converts the given mask color to an alpha channel in the bitmap.
al_convert_memory_bitmaps	allegro5	If you create a bitmap when there is no current display (for example because you have not called al_create_display in the current thread) and are using the `ALLEGRO_CONVERT_BITMAP` bitmap flag (which is set by default) then the bitmap will be created successfully, but as a memory bitmap.
al_copy_transform	allegro5	Makes a copy of a transformation.
al_create_audio_recorder	al5audio	Creates an audio recorder using the system's default recording device.
al_create_audio_stream	al5audio	Creates an ALLEGRO_AUDIO_STREAMptr.
al_create_bitmap	allegro5	Creates a new bitmap using the bitmap format and flags for the current thread.
al_create_builtin_font	al5font	Creates a monochrome bitmap font (8x8 pixels per character).
al_create_config	allegro5	Creates an empty configuration structure.
al_create_display	allegro5	Creates a display, or window, with the specified dimensions.
al_create_event_queue	allegro5	Creates a new, empty event queue.
al_create_file_handle	allegro5	Creates an empty, opened file handle with some abstract user data.
al_create_index_buffer	al5primitives	Creates an index buffer.
al_create_mixer	al5audio	Creates a mixer to attach sample instances, audio streams, or other mixers to.
al_create_mouse_cursor	allegro5	Creates a mouse cursor from the bitmap provided.
al_create_sample	al5audio	Creates a sample data structure from the supplied buffer.
al_create_sample_instance	al5audio	Creates a sample instance, using the supplied sample data.
al_create_shader	allegro5	Creates a shader object.
al_create_sub_bitmap	allegro5	Creates a sub-bitmap of the parent, at the specified coordinates and of the specified size.
al_create_timer	allegro5	Allocates and initializes a timer.
al_create_vertex_buffer	al5primitives	Creates a vertex buffer.
al_create_vertex_buffer_ex	al5primitives	Extended version of al_create_vertex_buffer that allows to define your own vertex type.
al_create_vertex_decl	al5primitives	Creates a vertex declaration, which describes a custom vertex format.
al_create_voice	al5audio	Creates a voice structure and allocates a voice from the digital sound driver.
al_cstr	al5strings	Gets a `AL_STRptr` pointer to the data in a string.
al_cstr_dup	al5strings	Creates a `NUL` (`$00`) terminated copy of the string.
al_destroy_audio_recorder	al5audio	Destroys the audio recorder and frees all resources associated with it.
al_destroy_audio_stream	al5audio	Destroys an audio stream which was created with al_create_audio_stream or al_load_audio_stream.
al_destroy_bitmap	allegro5	Destroys the given bitmap, freeing all resources used by it.
al_destroy_config	allegro5	Frees the resources used by a configuration structure.
al_destroy_display	allegro5	Destroys a display.
al_destroy_event_queue	allegro5	Destroys the event queue specified.
al_destroy_font	al5font	Frees the memory being used by a font structure.
al_destroy_index_buffer	al5primitives	Destroys an index buffer.
al_destroy_mixer	al5audio	Destroys the mixer.
al_destroy_mouse_cursor	allegro5	Frees the memory used by the given cursor.
al_destroy_sample	al5audio	Frees the sample data structure.
al_destroy_sample_instance	al5audio	Detaches the sample instance from anything it may be attached to and frees it (the sample data, i.e.
al_destroy_shader	allegro5	Destroy a shader.
al_destroy_timer	allegro5	Uninstalls the timer specified.
al_destroy_user_event_source	allegro5	Destroys an event source initialised with al_init_user_event_source.
al_destroy_vertex_buffer	al5primitives	Destroys a vertex buffer.
al_destroy_vertex_decl	al5primitives	Destroys a vertex declaration.
al_destroy_voice	al5audio	Destroys the voice and deallocates it from the digital driver.
al_detach_audio_stream	al5audio	Detaches the stream from whatever it's attached to, if anything.
al_detach_mixer	al5audio	Detach the mixer from whatever it is attached to, if anything.
al_detach_sample_instance	al5audio	Detachs the sample instance from whatever it's attached to, if anything.
al_detach_voice	al5audio	Detaches the mixer, sample instance or audio stream from the voice.
al_do_multiline_text	al5font	This function processes the text and splits it into lines as al_draw_multiline_text would, and then calls the callback `cb` once for every line.
al_do_multiline_ustr	al5font	Like al_do_multiline_text, but using ALLEGRO_USTR instead of a `STRING` for text.
al_drain_audio_stream	al5audio	You should call this to finalise an audio stream that you will no longer be feeding, to wait for all pending buffers to finish playing.
al_draw_arc	al5primitives	Draws an arc.
al_draw_bitmap	allegro5	Draws an unscaled, unrotated bitmap at the given position to the current target bitmap.
al_draw_bitmap_region	allegro5	Draws a region of the given bitmap to the target bitmap.
al_draw_circle	al5primitives	Draws an outlined circle.
al_draw_ellipse	al5primitives	Draws an outlined ellipse.
al_draw_elliptical_arc	al5primitives	Draws an elliptical arc.
al_draw_filled_circle	al5primitives	Draws a filled circle.
al_draw_filled_ellipse	al5primitives	Draws a filled ellipse.
al_draw_filled_pieslice	al5primitives	Draws a filled pieslice (filled circular sector).
al_draw_filled_polygon	al5primitives	Draw a filled, simple polygon.
al_draw_filled_polygon_with_holes	al5primitives	Draws a filled simple polygon with zero or more other simple polygons subtracted from it - the holes.
al_draw_filled_rectangle	al5primitives	Draws a filled rectangle.
al_draw_filled_rounded_rectangle	al5primitives	Draws a filled rounded rectangle.
al_draw_filled_triangle	al5primitives	Draws a filled triangle.
al_draw_glyph	al5font	Draws the glyph that corresponds with codepoint in the given color using the given font.
al_draw_indexed_buffer	al5primitives	Draws a subset of the passed vertex buffer.
al_draw_indexed_prim	al5primitives	Draws a subset of the passed vertex array.
al_draw_indexed_prim_ex	al5primitives	Extended version of al_draw_indexed_prim that allows to define your own vertex type.
al_draw_justified_text	al5font	Like al_draw_text, but justifies the string to the region `x1-x2`.
al_draw_justified_textf	al5font	Formatted text output, using a `Format` style format string.
al_draw_justified_ustr	al5font	Like al_draw_justified_text, except the text is passed as an ALLEGRO_USTR instead of a `STRING`.
al_draw_line	al5primitives	Draws a line segment between two points.
al_draw_multiline_text	al5font	Like al_draw_text, but this function supports drawing multiple lines of text.
al_draw_multiline_textf	al5font	Formatted text output, using a `Format` style format string.
al_draw_multiline_ustr	al5font	Like al_draw_multiline_text, except the text is passed as an ALLEGRO_USTR instead of a `STRING`.
al_draw_pieslice	al5primitives	Draws a pieslice (outlined circular sector).
al_draw_pixel	allegro5	Draws a single pixel at `{x, y}`.
al_draw_polygon	al5primitives	Draws an unfilled polygon.
al_draw_polyline	al5primitives	Draws a series of line segments.
al_draw_polyline_ex	al5primitives	An extended version of al_draw_polyline.
al_draw_prim	al5primitives	Draws a subset of the passed vertex array.
al_draw_prim_ex	al5primitives	Extended version of al_draw_prim that allows to define your own vertex type.
al_draw_rectangle	al5primitives	Draws an outlined rectangle.
al_draw_ribbon	al5primitives	Draws a ribbon given an array of points.
al_draw_rotated_bitmap	allegro5	Draws a rotated version of the given bitmap to the target bitmap.
al_draw_rounded_rectangle	al5primitives	Draws an outlined rounded rectangle.
al_draw_scaled_bitmap	allegro5	Draws a scaled version of the given bitmap to the target bitmap.
al_draw_scaled_rotated_bitmap	allegro5	Like al_draw_rotated_bitmap, but can also scale the bitmap.
al_draw_soft_line	al5primitives	Draws a line using the software rasterizer and user supplied pixel functions.
al_draw_soft_triangle	al5primitives	Draws a triangle using the software rasterizer and user supplied pixel functions.
al_draw_spline	al5primitives	Draws a Bézier spline given 4 control points.
al_draw_text	al5font	Writes the string `str` onto the target bitmap at position `x`, `y`, using the specified `font`.
al_draw_textf	al5font	Formatted text output, using a `Format` style format string.
al_draw_tinted_bitmap	allegro5	Like al_draw_bitmap but multiplies all colors in the bitmap with the given color.
al_draw_tinted_bitmap_region	allegro5	Like al_draw_bitmap_region but multiplies all colors in the bitmap with the given color.
al_draw_tinted_rotated_bitmap	allegro5	Like al_draw_rotated_bitmap but multiplies all colors in the bitmap with the given color.
al_draw_tinted_scaled_bitmap	allegro5	Like al_draw_scaled_bitmap but multiplies all colors in the bitmap with the given color.
al_draw_tinted_scaled_rotated_bitmap	allegro5	Like al_draw_scaled_rotated_bitmap but multiplies all colors in the bitmap with the given color.
al_draw_tinted_scaled_rotated_bitmap_region	allegro5	Like al_draw_tinted_scaled_rotated_bitmap but you specify an area within the bitmap to be drawn.
al_draw_triangle	al5primitives
al_draw_ustr	al5font	Like al_draw_text, except the text is passed as an ALLEGRO_USTR instead of a `STRING`.
al_draw_vertex_buffer	al5primitives	Draws a subset of the passed vertex buffer.
al_drop_next_event	allegro5	Drops (removes) the next event from the queue.
al_emit_user_event	allegro5	Emits an event from a user event source.
al_fclearerr	allegro5	Clears the error indicator for the given file.
al_fclose	allegro5	Closes the given file, writing any buffered output data (if any).
al_feof	allegro5	Returns `True` if the end-of-file indicator has been set on the file, i.e.
al_ferrmsg	allegro5	Returns a message string with details about the last error that occurred on the given file handle.
al_ferror	allegro5	Returns non-zero if the error indicator is set on the given file, i.e.
al_fflush	allegro5	Flushes any pending writes to the given file.
al_fgetc	allegro5	Reads and returns next byte in the given file.
al_fgets	allegro5	Reads a string of bytes terminated with a newline or end-of-file into the buffer given.
al_fget_ustr	allegro5	Read a string of bytes terminated with a newline or end-of-file.
al_fill_silence	al5audio	Fills a buffer with silence, for the given format and channel configuration.
al_fixacos	allegro5	This function finds the inverse cosine of a value using a lookup table.
al_fixadd	allegro5	Safe function to add fixed point numbers clamping overflow.
al_fixasin	allegro5	This function finds the inverse sine of a value using a lookup table.
al_fixatan	allegro5	This function finds the inverse tangent of a value using a lookup table.
al_fixatan2	allegro5	Computes the arc tangent of `y / x`, but the signs of both arguments are used to determine the quadrant of the result, and `x` is permitted to be zero.
al_fixceil	allegro5	Returns the smallest integer not less than x.
al_fixcos	allegro5	This function finds the cosine of a value using a lookup table.
al_fixdiv	allegro5	A fixed point value can be divided by an integer with the normal / operator.
al_fixfloor	allegro5	Returns the greatest integer not greater than x.
al_fixhypot	allegro5	Fixed point hypotenuse (returns the square root of `xx + yy').
al_fixmul	allegro5	A fixed point value can be multiplied or divided by an integer with the normal * and / operators.
al_fixsin	allegro5	This function finds the sine of a value using a lookup table.
al_fixsqrt	allegro5	This finds out the non negative square root of `x'.
al_fixsub	allegro5	Safe function to subtract fixed point numbers clamping underflow.
al_fixtan	allegro5	This function finds the tangent of a value using a lookup table.
al_fixtof	allegro5	Converts fixed point to floating point.
al_fixtoi	allegro5	Converts fixed point to integer, rounding as required to the nearest integer.
al_fixtrunc	allegro5	Returns the integer part of x, which is alwais smaller than (or equal to) X in absolute value.
al_flip_display	allegro5	Copies or updates the front and back buffers so that what has been drawn previously on the currently selected display becomes visible on screen.
al_flush_event_queue	allegro5	Drops all events, if any, from the queue.
al_fopen	allegro5	Creates and opens a file (real or virtual) given the path and mode.
al_fopen_interface	allegro5	Opens a file using the specified interface, instead of the interface set with al_set_new_file_interface.
al_fopen_slice	allegro5	Opens a slice (subset) of an already open random access file as if it were a stand alone file.
al_fputc	allegro5	Writes a single byte to the given file.
al_fputs	allegro5	Writes a string to file.
al_fread	allegro5	Reads `size` bytes into the buffer pointed to by `ptr`, from the given file.
al_fread16be	allegro5	Reads a 16-bit word in big-endian format (MSB first).
al_fread16le	allegro5	Reads a 16-bit word in little-endian format (LSB first).
al_fread32be	allegro5	Reads a 32-bit word in big-endian format (MSB first).
al_fread32le	allegro5	Reads a 32-bit word in little-endian format (LSB first).
al_free	allegro5	Like `FreeMem`, releases the memory occupied by pointer `p`.
al_free_with_context	allegro5	This releases the memory reserved by the Allegro library (this matters on Windows), unless overridden with al_set_memory_interface.
al_fseek	allegro5	Sets the current position of the given file to a position relative to that specified by `whence`, plus `offset` number of bytes.
al_fsize	allegro5	Returns the size of the file, if it can be determined, or `-1` otherwise.
al_ftell	allegro5	Returns the current position in the given file, or `-1` on error.
al_ftofix	allegro5	Converts a floating point value to fixed point.
al_fungetc	allegro5	Ungets a single byte from a file.
al_fwrite	allegro5	Write `size` bytes from the buffer pointed to by `ptr` into the given file.
al_fwrite16be	allegro5	Writes a 16-bit word in big-endian format (MSB first).
al_fwrite16le	allegro5	Writes a 16-bit word in little-endian format (LSB first).
al_fwrite32be	allegro5	Writes a 32-bit word in big-endian format (MSB first).
al_fwrite32le	allegro5	Writes a 32-bit word in little-endian format (LSB first).
al_get_allegro_acodec_version	al5acodec	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_audio_version	al5audio	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_color_version	al5color	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_font_version	al5font	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_image_version	al5image	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_memfile_version	al5memfile	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_primitives_version	al5primitives	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_ttf_version	al5ttf	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_allegro_version	allegro5	Returns the compiled version of the Allegro library (i.e.
al_get_allegro_video_version	al5video	Returns the (compiled) version of the addon, in the same format as al_get_allegro_version.
al_get_audio_depth_size	al5audio	Returns the size of a sample, in bytes, for the given format.
al_get_audio_device_name	al5audio	Gets the user friendly display name of the device.
al_get_audio_output_device	al5audio	Gets the output audio device of the specified `index`.
al_get_audio_recorder_event	al5audio	Returns the event as an ALLEGRO_AUDIO_RECORDER_EVENT.
al_get_audio_recorder_event_source	al5audio	Returns the event source for the recorder that generates the various recording events.
al_get_audio_stream_attached	al5audio	Returns whether the stream is attached to something.
al_get_audio_stream_channels	al5audio	Returns the stream channel configuration.
al_get_audio_stream_depth	al5audio	Returns the stream audio depth.
al_get_audio_stream_event_source	al5audio	Retrieves the associated event source.
al_get_audio_stream_fragment	al5audio	When using Allegro's audio streaming, you will use this function to continuously provide new sample data to a stream.
al_get_audio_stream_fragments	al5audio	Returns the number of fragments this stream uses.
al_get_audio_stream_frequency	al5audio	Returns the stream frequency (in Hz).
al_get_audio_stream_gain	al5audio	Returns the playback gain of the stream.
al_get_audio_stream_length	al5audio	Returns the stream length in samples.
al_get_audio_stream_length_secs	al5audio	Returns the length of the stream in seconds, if known.
al_get_audio_stream_pan	al5audio	Gets the pan value of the stream.
al_get_audio_stream_played_samples	al5audio	Gets the number of samples consumed by the parent since the audio stream was started.
al_get_audio_stream_playing	al5audio	Returns `True` if the stream is playing.
al_get_audio_stream_playmode	al5audio	Returns the playback mode of the stream.
al_get_audio_stream_position_secs	al5audio	Returns the position of the stream in seconds.
al_get_audio_stream_speed	al5audio	Returns the relative playback speed of the stream.
al_get_available_audio_stream_fragments	al5audio	Returns the number of available fragments in the stream, that is, fragments which are not currently filled with data for playback.
al_get_backbuffer	allegro5	Returns a special bitmap representing the back-buffer of the display.
al_get_bitmap_flags	allegro5	Returns the flags user to create the bitmap.
al_get_bitmap_format	allegro5	Returns the pixel format of a bitmap.
al_get_bitmap_height	allegro5	Returns the height of a bitmap in pixels.
al_get_bitmap_width	allegro5	Returns the width of a bitmap in pixels.
al_get_bitmap_x	allegro5	For a sub-bitmap, returns it's x position within the parent.
al_get_bitmap_y	allegro5	For a sub-bitmap, returns it's y position within the parent.
al_get_blender	allegro5	Returns the active blender for the current thread.
al_get_blend_color	allegro5	Returns the color currently used for constant color blending (white by default).
al_get_channel_count	al5audio	Returns the number of channels for the given channel configuration, which is one of the values listed under ALLEGRO_CHANNEL_CONF.
al_get_clipboard_text	allegro5	This function returns a pointer to a string, allocated with al_malloc with the text contents of the clipboard if available.
al_get_clipping_rectangle	allegro5	Gets the clipping rectangle of the target bitmap.
al_get_config_value	allegro5	Gets a pointer to an internal character buffer that will only remain valid as long as the `ALLEGRO_CONFIGptr` structure is not destroyed.
al_get_cpu_count	allegro5	Returns the number of CPU cores that the system Allegro is running on has and which could be detected, or a negative number if detection failed.
al_get_current_display	allegro5	Returns the display that is "current" for the calling thread, or `Nil` if there is none.
al_get_current_inverse_transform	allegro5	Returns the inverse of the current transformation of the target bitmap.
al_get_current_projection_transform	allegro5	(void) Returns a pointer to the current projection transformation.
al_get_current_transform	allegro5	Returns the transformation of the current target bitmap, as set by al_use_transform.
al_get_default_mixer	al5audio	Returns the default mixer, or `Nil` if one has not been set.
al_get_default_shader_source	allegro5	Returns a string containing the source code to Allegro's default vertex or pixel shader appropriate for the passed platform.
al_get_default_voice	al5audio	Returns the default voice or `Nil` if there is none.
al_get_display_event_source	allegro5	Retrieves the associated event source.
al_get_display_flags	allegro5	Gets the flags of the display.
al_get_display_format	allegro5	Gets pixel format of the display.
al_get_display_height	allegro5	Gets the height of the display.
al_get_display_mode	allegro5	Retrieves a fullscreen mode.
al_get_display_option	allegro5	Returns an extra display setting of the display.
al_get_display_orientation	allegro5	Return the display orientation, which can be one of the following: `ALLEGRO_DISPLAY_ORIENTATION_UNKNOWN` `ALLEGRO_DISPLAY_ORIENTATION_0_DEGREES` `ALLEGRO_DISPLAY_ORIENTATION_90_DEGREES` `ALLEGRO_DISPLAY_ORIENTATION_180_DEGREES` `ALLEGRO_DISPLAY_ORIENTATION_270_DEGREES` `ALLEGRO_DISPLAY_ORIENTATION_FACE_UP` `ALLEGRO_DISPLAY_ORIENTATION_FACE_DOWN`
al_get_display_refresh_rate	allegro5	Gets the refresh rate of the display.
al_get_display_width	allegro5	Gets the width of the display.
al_get_errno	allegro5	Some Allegro functions will set an error number as well as returning an error code.
al_get_event_source_data	allegro5	Returns the abstract user data associated with the event source.
al_get_fallback_font	al5font	Retrieves the fallback font for this font or `Nil`.
al_get_file_userdata	allegro5	Returns a pointer to the custom userdata that is attached to the file handle.
al_get_font_ascent	al5font	Returns the ascent of the specified font.
al_get_font_descent	al5font	Returns the descent of the specified font.
al_get_font_line_height	al5font	Returns the usual height of a line of text in the specified font.
al_get_font_ranges	al5font	Gets information about all glyphs contained in a font, as a list of ranges.
al_get_glyph_advance	al5font	This function returns by how much the x position should be advanced for left to right text drawing when the glyph that corresponds to `codepoint1` has been drawn, and the glyph that corresponds to `codepoint2` will be the next to be drawn.
al_get_glyph_dimensions	al5font	Sometimes, the al_get_glyph_width or al_get_glyph_advance functions are not enough for exact glyph placement, so this function returns some additional information, particularly if you want to draw the font vertically.
al_get_glyph_width	al5font	This function returns the width in pixels of the glyph that corresponds with codepoint in the font font.
al_get_index_buffer_size	al5primitives	Returns the size of the index buffer
al_get_joystick	allegro5	Gets a handle for a joystick on the system.
al_get_joystick_active	allegro5	Returns if the joystick handle is "active", i.e.
al_get_joystick_axis_name	allegro5	Returns the name of the given axis.
al_get_joystick_button_name	allegro5	Returns the name of the given button.
al_get_joystick_event_source	allegro5	Retrieves the global joystick event source.
al_get_joystick_name	allegro5	Returns the name of the given joystick.
al_get_joystick_num_axes	allegro5	Returns the number of axes on the given "stick".
al_get_joystick_num_buttons	allegro5	Returns the number of buttons on the joystick.
al_get_joystick_num_sticks	allegro5	Returns the number of "sticks" on the given joystick.
al_get_joystick_state	allegro5	Gets the current joystick state.
al_get_joystick_stick_flags	allegro5	Returns the flags of the given "stick".
al_get_joystick_stick_name	allegro5	Returns the name of the given "stick".
al_get_keyboard_event_source	allegro5	Retrieves the keyboard event source.
al_get_keyboard_state	allegro5	Saves the state of the keyboard specified at the time the function is called into `ret_state`.
al_get_mixer_attached	al5audio	Returns `True` if the mixer is attached to something.
al_get_mixer_channels	al5audio	Returns the mixer channel configuration.
al_get_mixer_depth	al5audio	Returns the mixer audio depth.
al_get_mixer_frequency	al5audio	Returns the mixer frequency (in Hz).
al_get_mixer_gain	al5audio	Returns the mixer gain (amplification factor).
al_get_mixer_playing	al5audio	Returns `True` if the mixer is playing.
al_get_mixer_quality	al5audio	Returns the mixer quality.
al_get_monitor_dpi	allegro5
al_get_monitor_info	allegro5	Gets information about a monitor's position on the desktop.
al_get_mouse_cursor_position	allegro5	On platforms where this information is available, this function returns the global location of the mouse cursor, relative to the desktop.
al_get_mouse_event_source	allegro5	Retrieve the mouse event source.
al_get_mouse_num_axes	allegro5	Returns the number of axes on the mouse.
al_get_mouse_num_buttons	allegro5	Returns the number of buttons on the mouse.
al_get_mouse_state	allegro5	Saves the state of the mouse specified at the time the function is called into `ret_state`.
al_get_mouse_state_axis	allegro5	Extracts the mouse axis value from the saved state.
al_get_mouse_wheel_precision	allegro5	Gets the precision of the mouse wheel (the z and w coordinates).
al_get_new_bitmap_flags	allegro5	Returns the format used for newly created bitmaps.
al_get_new_bitmap_format	allegro5	Returns the format used for newly created bitmaps.
al_get_new_display_adapter	allegro5	Gets the video adapter index where new displays will be created by the calling thread, if previously set with al_set_new_display_adapter.
al_get_new_display_flags	allegro5	Gets the display flags to be used when creating new displays on the calling thread.
al_get_new_display_option	allegro5	Retrieves an extra display setting which was previously set with al_set_new_display_option.
al_get_new_display_refresh_rate	allegro5	Gets the requested refresh rate to be used when creating new displays on the calling thread.
al_get_new_file_interface	allegro5	Returns a pointer to the ALLEGRO_FILE_INTERFACE table in effect for the calling thread.
al_get_new_window_position	allegro5	Gets the position where new non-fullscreen displays created by the calling thread will be placed.
al_get_new_window_title	allegro5	Returns the title that will be used when a new display is created.
al_get_next_event	allegro5	Takes the next event out of the event queue specified, and copy the contents into `ret_event`, returning `True`.
al_get_num_audio_output_devices	al5audio	Gets the number of available audio output devices on the system.
al_get_num_display_modes	allegro5	Gets the number of available fullscreen display modes for the current set of display parameters.
al_get_num_joysticks	allegro5	Returns the number of joysticks currently on the system (or potentially on the system).
al_get_num_video_adapters	allegro5	Gets the number of video "adapters" attached to the computer.
al_get_opengl_fbo	al5opengl	Returns the OpenGL FBO id internally used by the given bitmap if it uses one, otherwise returns zero.
al_get_opengl_proc_address	al5opengl	Helper to get the address of an OpenGL symbol.
al_get_opengl_program_object	al5opengl	Returns the OpenGL program object associated with this shader, if the platform is ALLEGRO_SHADER_GLSL.
al_get_opengl_texture	al5opengl	Returns the OpenGL texture id internally used by the given bitmap if it uses one, else `0`.
al_get_opengl_texture_position	al5opengl	Returns the u/v coordinates for the top/left corner of the bitmap within the used texture, in pixels.
al_get_opengl_texture_size	al5opengl	Retrieves the size of the texture used for the bitmap.
al_get_opengl_variant	al5opengl	Returns the variant or type of OpenGL used on the running platform.
al_get_opengl_version	al5opengl	Returns the OpenGL or OpenGL ES version number of the client (the computer the program is running on), for the current display.
al_get_parent_bitmap	allegro5	Returns the bitmap this bitmap is a sub-bitmap of.
al_get_pixel	allegro5	Gets a pixel's color value from the specified bitmap.
al_get_pixel_block_height	allegro5	Returns the height of the pixel block of this format.
al_get_pixel_block_size	allegro5	Returns the number of bytes that a block of pixels with this format occupies.
al_get_pixel_block_width	allegro5	Returns the width of the pixel block of this format.
al_get_pixel_format_bits	allegro5	Returns the number of bits that a pixel of the given format occupies.
al_get_pixel_size	allegro5	Returns the number of bytes that a pixel of the given format occupies.
al_get_ram_size	allegro5	Returns the size in MB of the random access memory that the system Allegro is running on has and which could be detected, or a negative number if detection failed.
al_get_sample	al5audio	Returns the sample data that the sample instance plays.
al_get_sample_channels	al5audio	Returns the channel configuration of the sample.
al_get_sample_data	al5audio	Returns a pointer to the raw sample data.
al_get_sample_depth	al5audio	Returns the audio depth of the sample.
al_get_sample_frequency	al5audio	Returns the frequency (in Hz) of the sample.
al_get_sample_instance_attached	al5audio	Returns whether the sample instance is attached to something.
al_get_sample_instance_channels	al5audio	Returns the channel configuration of the sample instance's sample data.
al_get_sample_instance_depth	al5audio	Returns the audio depth of the sample instance's sample data.
al_get_sample_instance_frequency	al5audio	Returns the frequency (in Hz) of the sample instance's sample data.
al_get_sample_instance_gain	al5audio	Returns the playback gain of the sample instance.
al_get_sample_instance_length	al5audio	Returns the length of the sample instance in sample values.
al_get_sample_instance_pan	al5audio	Gets the pan value of the sample instance.
al_get_sample_instance_playing	al5audio	Returns `True` if the sample instance is in the playing state.
al_get_sample_instance_playmode	al5audio	Returns the playback mode of the sample instance.
al_get_sample_instance_position	al5audio	Gets the playback position of a sample instance.
al_get_sample_instance_speed	al5audio	Returns the relative playback speed of the sample instance.
al_get_sample_instance_time	al5audio	Returns the length of the sample instance in seconds, assuming a playback speed of 1.0.
al_get_sample_length	al5audio	Returns the length of the sample in sample values.
al_get_separate_blender	allegro5	Returns the active blender for the current thread.
al_get_shader_log	allegro5	Returns a read-only string containing the information log for a shader program.
al_get_shader_platform	allegro5	Returns the platform the shader was created with (either `ALLEGRO_SHADER_HLSL` or `ALLEGRO_SHADER_GLSL`).
al_get_system_config	allegro5	(void) Returns the system configuration structure.
al_get_system_id	allegro5	Returns the platform that Allegro is running on.
al_get_target_bitmap	allegro5	Returns the target bitmap of the calling thread.
al_get_text_dimensions	al5font	Sometimes, the al_get_text_width and al_get_font_line_height functions are not enough for exact text placement, so this function returns some additional information.
al_get_text_width	al5font	Calculates the length of a string in a particular font, in pixels.
al_get_time	allegro5	Returns the number of seconds since the Allegro library was initialised.
al_get_timer_count	allegro5	Returns the timer's counter value.
al_get_timer_event_source	allegro5	Retrieves the associated event source.
al_get_timer_speed	allegro5	Returns the timer's speed, in seconds.
al_get_timer_started	allegro5	Returns `True` if the timer specified is currently started.
al_get_ustr_dimensions	al5font	Like al_get_text_dimensions, except the text is passed as an ALLEGRO_USTR instead of `STRING`.
al_get_ustr_width	al5font	Like al_get_text_width but expects an ALLEGRO_USTR.
al_get_vertex_buffer_size	al5primitives	Returns the size of the vertex buffer.
al_get_video_audio_rate	al5video	Returns the audio rate of the video, in Hz.
al_get_video_event_source	al5video	Gets an event source for the video.
al_get_video_fps	al5video	Returns the speed of the video in frames per second.
al_get_video_frame	al5video	Returns the current video frame.
al_get_video_position	al5video	Returns the current position of the video stream in seconds since the beginning.
al_get_video_scaled_height	al5video	Returns the height with which the video frame should be drawn.
al_get_video_scaled_width	al5video	Returns the width with which the video frame should be drawn.
al_get_voice_channels	al5audio	Returns the channel configuration of the voice.
al_get_voice_depth	al5audio	Returns the audio depth of the voice.
al_get_voice_frequency	al5audio	Returns the frequency of the voice (in Hz), e.g.
al_get_voice_playing	al5audio	Returns `True` if the voice is currently playing.
al_get_voice_position	al5audio	When the voice has a non-streaming object attached to it, e.g.
al_get_window_constraints	allegro5	Gets the constraints for a non-fullscreen resizable display.
al_get_window_position	allegro5	Gets the position of a non-fullscreen display.
al_grab_font_from_bitmap	al5font	Creates a new font from an Allegro bitmap.
al_grab_mouse	allegro5	Confines the mouse cursor to the given display.
al_have_opengl_extension	al5opengl	This function is a helper to determine whether an OpenGL extension is available on the given display or not.
al_hide_mouse_cursor	allegro5	Hides the mouse cursor in the given display.
al_hold_bitmap_drawing	allegro5	Enables or disables deferred bitmap drawing.
al_horizontal_shear_transform	allegro5	(ALLEGRO_TRANSFORM* trans, float theta) Applies a horizontal shear to the transform
AL_ID	allegro5	This function can be used to create a packed 32 bit integer from 8 bit characters, on both 32 and 64 bit machines.
al_identify_bitmap	allegro5	This works exactly as al_identify_bitmap_f but you specify the filename of the file for which to detect the type and not a file handle.
al_identify_bitmap_f	allegro5	Tries to guess the bitmap file type of the given file by reading the first few bytes.
al_identify_sample	al5audio	This works exactly as al_identify_sample_f but you specify the filename of the file for which to detect the type and not a file handle.
al_identify_sample_f	al5audio	Tries to guess the audio file type of the open ALLEGRO_FILEptr by reading the first few bytes.
al_identity_transform	allegro5	Sets the transformation to be the identity transformation.
al_inhibit_screensaver	allegro5	This function allows the user to stop the system screensaver from starting up if `True` is passed, or resets the system back to the default state (the state at program start) if `False` is passed.
al_init	allegro5	Like al_install_system, but automatically passes in the version and `Nil` as `atexit_ptr`: Note It is typically wrong to call al_init anywhere except the final game binary.
al_init_acodec_addon	al5acodec	This procedure registers all the known audio file type handlers for al_load_sample, al_save_sample, al_load_audio_stream, etc.
al_init_font_addon	al5font	Initialises the font addon.
al_init_image_addon	al5image	Initializes the image addon.
al_init_primitives_addon	al5primitives	Initializes the primitives addon.
al_init_timeout	allegro5	Sets timeout value of some number of seconds after the function call.
al_init_ttf_addon	al5ttf	Initializes the TTF addon.
al_init_user_event_source	allegro5	Initialices an event source for emitting user events.
al_init_video_addon	al5video	Initializes the video addon.
al_install_audio	al5audio	Installs the audio subsystem.
al_install_joystick	allegro5	Installs a joystick driver, returning `True` if successful.
al_install_keyboard	allegro5	Installs a keyboard driver.
al_install_mouse	allegro5	Installs mouse driver.
al_install_system	allegro5	Initializes the Allegro system.
al_invert_transform	allegro5	Inverts the passed transformation.
al_is_audio_installed	al5audio	Returns `True` if al_install_audio was called previously and returned successfully.
al_is_audio_recorder_recording	al5audio	Returns `True` if the audio recorder is currently capturing data and generating events.
al_is_bitmap_drawing_held	allegro5	Returns whether the deferred bitmap drawing mode is turned on or off.
al_is_bitmap_locked	allegro5	Returns whether or not a bitmap is already locked.
al_is_color_valid	al5color	Checks if all components of the color are between 0 and 1.
al_is_compatible_bitmap	allegro5	D3D and OpenGL allow sharing a texture in a way so it can be used for multiple windows.
al_is_event_queue_empty	allegro5	Returns `True` if the event queue specified is currently empty.
al_is_event_queue_paused	allegro5	Returns `True` if the event queue is paused.
al_is_event_source_registered	allegro5	Returns `True` if the event source is registered.
al_is_font_addon_initialized	al5font	Returns `True` if the font addon is is initialized, otherwise returns false.
al_is_image_addon_initialized	al5image	Returns `True` if the image addon is is initialized, otherwise returns false.
al_is_joystick_installed	allegro5	Returns `True` if al_install_joystick was called successfully.
al_is_keyboard_installed	allegro5	Returns `True` if al_install_keyboard was called successfully.
al_is_mouse_installed	allegro5	Returns `True` if al_install_mouse was called successfully.
al_is_primitives_addon_initialized	al5primitives	Returns `True` if the primitives addon is is initialized, otherwise returns false.
al_is_sub_bitmap	allegro5	Returns true if the specified bitmap is a sub-bitmap, false otherwise.
al_is_system_installed	allegro5	Returns `True` if Allegro is initialized, otherwise returns `False`.
al_is_video_playing	al5video	Returns `True` if the video is currently playing.
al_itofix	allegro5	Converts an integer to fixed point.
al_keycode_to_name	allegro5	Converts the given keycode to a description of the key.
al_key_down	allegro5	Returns `True` if the key specified was held down in the state specified.
al_load_audio_stream	al5audio	Loads an audio file from disk as it is needed.
al_load_audio_stream_f	al5audio	Loads an audio file from ALLEGRO_FILEptr stream as it is needed.
al_load_bitmap	allegro5	Loads an image file into a new `ALLEGRO_BITMAPptr`.
al_load_bitmap_f	allegro5	Loads an image from an ALLEGRO_FILEptr stream into a new ALLEGRO_BITMAPptr.
al_load_bitmap_flags	allegro5	Loads an image file into a new `ALLEGRO_BITMAPptr`.
al_load_bitmap_flags_f	allegro5	Loads an image from an ALLEGRO_FILEptr stream into a new ALLEGRO_BITMAPptr.
al_load_bitmap_font	al5font	Load a bitmap font from a file.
al_load_bitmap_font_flags	al5font	Like al_load_bitmap_font but additionally takes a flags parameter.
al_load_config_file	allegro5	Reads a configuration file from disk.
al_load_config_file_f	allegro5	Reads a configuration file from an already open file.
al_load_font	al5font	Loads a font from disk.
al_load_sample	al5audio	Loads a few different audio file formats based on their extension.
al_load_sample_f	al5audio	Loads an audio file from an ALLEGRO_FILEptr tream into an ALLEGRO_SAMPLEptr.
al_load_ttf_font	al5ttf	Loads a TrueType font from a file using the FreeType library.
al_load_ttf_font_f	al5ttf	Like al_load_ttf_font, but the font is read from the file handle.
al_load_ttf_font_stretch	al5ttf	Like al_load_ttf_font, except it takes separate width (`w`) and height (`h`) parameters instead of a single size parameter.
al_load_ttf_font_stretch_f	al5ttf	Like al_load_ttf_font_stretch, but the font is read from the file handle.
al_lock_bitmap	allegro5	Locks an entire bitmap for reading or writing.
al_lock_bitmap_blocked	allegro5	Like al_lock_bitmap, but allows locking bitmaps with a blocked pixel format (i.e.
al_lock_bitmap_region	allegro5	Like al_lock_bitmap, but only locks a specific area of the bitmap.
al_lock_bitmap_region_blocked	allegro5	Like al_lock_bitmap_blocked, but allows locking a sub-region, for performance.
al_lock_index_buffer	al5primitives	Locks an index buffer so you can access its data.
al_lock_sample_id	al5audio	Locks a ALLEGRO_SAMPLE_ID, returning the underlying ALLEGRO_SAMPLE_INSTANCEptr.
al_lock_vertex_buffer	al5primitives	Locks a vertex buffer so you can access its data.
al_malloc	allegro5	Like `GetMem`, reserves `n` bytes memory on heap and returns a pointer to this memory.
al_malloc_with_context	allegro5	This reserves memory for the Allegro library (this matters on Windows), unless overridden with al_set_memory_interface.
al_map_rgb	allegro5	Converts r, g, b (ranging from 0-255) into an ALLEGRO_COLOR, using 255 for alpha.
al_map_rgba	allegro5	Convert r, g, b, a (ranging from 0-255) into an ALLEGRO_COLOR.
al_map_rgba_f	allegro5	Convert r, g, b, a (ranging from 0.0f-1.0f) into an ALLEGRO_COLOR.
al_map_rgb_f	allegro5	Convert r, g, b (ranging from 0.0f-1.0f) into an ALLEGRO_COLOR, using 1.0f for alpha.
al_merge_config	allegro5	Merges two configuration structures, and return the result as a new configuration.
al_merge_config_into	allegro5	Merges one configuration structure into another.
al_mouse_button_down	allegro5	Returns `True` if the mouse button specified was held down in the state specified.
al_open_memfile	al5memfile	Returns a file handle to the block of memory.
al_open_video	al5video	Reads a video file.
al_orthographic_transform	allegro5	Combines the given transformation with an orthographic transformation which maps the screen rectangle to the given left/top and right/bottom coordinates.
al_pause_event_queue	allegro5	Pauses or resumes accepting new events into the event queue (to resume, pass `False` for pause).
al_peek_next_event	allegro5	Copies the contents of the next event in the event queue specified into `ret_event` and returns `True`.
al_perspective_transform	allegro5	Like al_orthographic_transform but honors perspective.
al_play_sample	al5audio	Plays a sample on one of the sample instances created by al_reserve_samples.
al_play_sample_instance	al5audio	Plays the sample instance.
al_premul_rgba	allegro5	This is a shortcut for `al_map_rgba (r * a / 255, g * a / 255, b * a / 255, a)`.
al_premul_rgba_f	allegro5	This is a shortcut for `al_map_rgba (r * a, g * a, b * a, a)`.
al_put_blended_pixel	allegro5	Like al_put_pixel, but the pixel color is blended using the current blenders before being drawn.
al_put_pixel	allegro5	Draws a single pixel on the target bitmap.
al_realloc	allegro5	Like `ReAllocMem`, resizes the memory pointed to by `p` so it has size `n`.
al_realloc_with_context	allegro5	This reserves memory for the Allegro library (this matters on Windows), unless overridden with al_set_memory_interface.
al_reconfigure_joysticks	allegro5	Allegro is able to cope with users connecting and disconnected joystick devices on-the-fly.
al_ref_buffer	al5strings	Creates a string that references the storage of an underlying buffer.
al_ref_cstr	al5strings	Creates a string that references the storage of a C-style string.
al_ref_ustr	al5strings	Creates a read-only string that references the storage of another ALLEGRO_USTR string.
al_register_audio_stream_loader	al5audio	Registers a handler for al_load_audio_stream.
al_register_audio_stream_loader_f	al5audio	Registers a handler for al_load_audio_stream_f.
al_register_bitmap_identifier	allegro5	Registers an identify handler for al_identify_bitmap.
al_register_bitmap_loader	allegro5	Registers a handler for al_load_bitmap.
al_register_bitmap_loader_f	allegro5	Registers a handler for al_load_bitmap_f.
al_register_bitmap_saver	allegro5	Registers a handler for al_save_bitmap.
al_register_bitmap_saver_f	allegro5	Registers a handler for al_save_bitmap_f.
al_register_event_source	allegro5	Register the event source with the event queue specified.
al_register_sample_identifier	al5audio	Registers an identify handler for al_identify_sample.
al_register_sample_loader	al5audio	Registers a handler for al_load_sample.
al_register_sample_loader_f	al5audio	Registers a handler for al_load_sample_f.
al_register_sample_saver	al5audio	Registers a handler for al_save_sample.
al_register_sample_saver_f	al5audio	Registers a handler for al_save_sample_f.
al_release_joystick	allegro5	This procedure currently does nothing.
al_remove_config_key	allegro5	Removes a key and its associated value in a section of a configuration.
al_remove_config_section	allegro5	Removes a section of a configuration.
al_remove_opengl_fbo	al5opengl	Explicitly frees an OpenGL FBO created for a bitmap, if it has one.
al_reparent_bitmap	allegro5	For a sub-bitmap, changes the parent, position and size.
al_reserve_samples	al5audio	Reserves a number of sample instances, attaching them to the default mixer.
al_reset_clipping_rectangle	allegro5	Equivalent to calling `al_set_clipping_rectangle (0, 0, w, h)` where `w` and `h` are the width and height of the target bitmap respectively.
al_reset_new_display_options	allegro5	This undoes any previous call to al_set_new_display_option on the calling thread.
al_resize_display	allegro5	Resizes the display.
al_rest	allegro5	Waits for the specified number of seconds.
al_restore_default_mixer	al5audio	Restores Allegro's default mixer and attaches it to the default voice.
al_restore_memory_interface	allegro5	Restores the default behavior of the memory management functions.
al_restore_state	allegro5	Restores part of the state of the current thread from the given ALLEGRO_STATE object.
al_resume_timer	allegro5	Resumes the timer specified.
al_rewind_audio_stream	al5audio	Sets the streaming file playing position to the beginning.
al_rotate_transform	allegro5	Applies a rotation to a transformation.
al_rotate_transform_3d	allegro5	Combines the given transformation with a transformation which rotates coordinates around the given vector by the given angle in radians.
al_run_main	allegro5	This function is useful in cases where you don't have a `main` function but want to run Allegro (mostly useful in a wrapper library).
al_save_bitmap	allegro5	Saves an `ALLEGRO_BITMAP` to an image file.
al_save_bitmap_f	allegro5	Saves an ALLEGRO_BITMAP to an ALLEGRO_FILE stream.
al_save_config_file	allegro5	Writes out a configuration file to disk.
al_save_config_file_f	allegro5	Writes out a configuration file to an already open file.
al_save_sample	al5audio	Writes a sample into a file.
al_save_sample_f	al5audio	Writes a sample into a ALLEGRO_FILEptr filestream.
al_scale_transform	allegro5	Applies a scale to a transformation.
al_scale_transform_3D	allegro5	Combines the given transformation with a transformation which scales coordinates by the given vector.
al_seek_audio_stream_secs	al5audio	Sets the streaming file playing position to time.
al_seek_video	al5video	Seeks to a different position in the video.
al_set_audio_stream_fragment	al5audio	This function needs to be called for every successful call of al_get_audio_stream_fragment to indicate that the buffer (pointed to by `val`) is filled with new data.
al_set_audio_stream_gain	al5audio	Sets the playback gain of the stream.
al_set_audio_stream_loop_secs	al5audio	Sets the loop points for the stream in seconds.
al_set_audio_stream_pan	al5audio	Sets the pan value on an audio stream.
al_set_audio_stream_playing	al5audio	Changes whether the stream is playing.
al_set_audio_stream_playmode	al5audio	Sets the playback mode of the stream.
al_set_audio_stream_speed	al5audio	Sets the relative playback speed of the stream.
al_set_blender	allegro5	Sets the function to use for blending for the current thread.
al_set_blend_color	allegro5	Sets the color to use for blending when using the `ALLEGRO_CONST_COLOR` or `ALLEGRO_INVERSE_CONST_COLOR` blend functions.
al_set_clipboard_text	allegro5	This function pastes the text given as an argument to the clipboard.
al_set_clipping_rectangle	allegro5	Sets the region of the target bitmap or display that pixels get clipped to.
al_set_config_value	allegro5	Sets a value in a section of a configuration.
al_set_current_opengl_context	al5opengl	Make the OpenGL context associated with the given display current for the calling thread.
al_set_default_mixer	al5audio	Sets the default mixer.
al_set_default_voice	al5audio	You can call this before calling al_restore_default_mixer to provide the voice which should be used.
al_set_display_flag	allegro5	Enables or disables one of the display flags.
al_set_display_icon	allegro5	Changes the icon associated with the display (window).
al_set_display_icons	allegro5	Changes the icons associated with the display (window).
al_set_display_option	allegro5	Changes an option that was previously set for a display.
al_set_errno	allegro5	Sets the error number for the calling thread.
al_set_event_source_data	allegro5	Assigns the abstract user data to the event source.
al_set_fallback_font	al5font	Sets a font which is used instead if a character is not present.
al_set_keyboard_leds	allegro5	Overrides the state of the keyboard LED indicators.
al_set_memory_interface	allegro5	Overrides the memory management functions with implementations of al_malloc_with_context, al_free_with_context, al_realloc_with_context and al_calloc_with_context.
al_set_mixer_frequency	al5audio	Sets the mixer frequency (in Hz).
al_set_mixer_gain	al5audio	Sets the mixer gain (amplification factor).
al_set_mixer_playing	al5audio	Changes whether the mixer is playing.
al_set_mixer_postprocess_callback	al5audio	Sets a post-processing filter function that's called after the attached streams have been mixed.
al_set_mixer_quality	al5audio	Sets the mixer quality.
al_set_mouse_axis	allegro5	Sets the given mouse axis to the given value.
al_set_mouse_cursor	allegro5	Sets the given mouse cursor to be the current mouse cursor for the given display.
al_set_mouse_w	allegro5	Sets the second mouse wheel position to the given value.
al_set_mouse_wheel_precision	allegro5	Sets the precision of the mouse wheel (the z and w coordinates).
al_set_mouse_xy	allegro5	Tryes to position the mouse at the given coordinates on the given display.
al_set_mouse_z	allegro5	Sets the mouse wheel position to the given value.
al_set_new_bitmap_flags	allegro5	Sets the flags to use for newly created bitmaps.
al_set_new_bitmap_format	allegro5	Sets the pixel format for newly created bitmaps.
al_set_new_display_adapter	allegro5	Sets the adapter to use for new displays created by the calling thread.
al_set_new_display_flags	allegro5	Sets various flags to be used when creating new displays on the calling thread.
al_set_new_display_option	allegro5	Sets an extra display option, to be used when creating new displays on the calling thread.
al_set_new_display_refresh_rate	allegro5	Sets the refresh rate to use when creating new displays on the calling thread.
al_set_new_file_interface	allegro5	Sets the ALLEGRO_FILE_INTERFACE table for the calling thread.
al_set_new_window_position	allegro5	Sets where the top left pixel of the client area of newly created windows (non-fullscreen) will be on screen, for displays created by the calling thread.
al_set_new_window_title	allegro5	Sets the title that will be used when a new display is created.
al_set_render_state	allegro5	Sets one of several render attributes.
al_set_sample	al5audio	Changes the sample data that a sample instance plays.
al_set_sample_instance_gain	al5audio	Sets the playback gain of the sample instance.
al_set_sample_instance_length	al5audio	Sets the length of the sample instance in sample values.
al_set_sample_instance_pan	al5audio	Sets the pan value on a sample instance.
al_set_sample_instance_playing	al5audio	Changes whether the sample instance is playing.
al_set_sample_instance_playmode	al5audio	Sets the playback mode of the sample instance.
al_set_sample_instance_position	al5audio	Sets the playback position of a sample instance.
al_set_sample_instance_speed	al5audio	Sets the relative playback speed of the sample instance.
al_set_separate_blender	allegro5	Like `al_set_blender`, but allows specifying a separate blending operation for the alpha channel.
al_set_shader_bool	allegro5	Sets a boolean uniform of the current target bitmap's shader.
al_set_shader_float	allegro5	Sets a float uniform of the current target bitmap's shader.
al_set_shader_float_vector	allegro5	Same as al_set_shader_int_vector except all values are float instead of integer.
al_set_shader_int	allegro5	Sets an integer uniform of the current target bitmap's shader.
al_set_shader_int_vector	allegro5	Sets an integer vector array uniform of the current target bitmap's shader.
al_set_shader_matrix	allegro5	Sets a matrix uniform of the current target bitmap's shader.
al_set_shader_sampler	allegro5	Sets a texture sampler uniform and texture unit of the current target bitmap's shader.
al_set_standard_file_interface	allegro5	Sets the ALLEGRO_FILE_INTERFACE table to the default, for the calling thread.
al_set_system_mouse_cursor	allegro5	Sets the given system mouse cursor to be the current mouse cursor for the given `display`.
al_set_target_backbuffer	allegro5	Same as `al_set_target_bitmap(al_get_backbuffer(display));`.
al_set_target_bitmap	allegro5	This function selects the bitmap to which all subsequent drawing operations in the calling thread will draw to.
al_set_timer_count	allegro5	Sets the timer's counter value.
al_set_timer_speed	allegro5	Sets the timer's speed, i.e.
al_set_video_playing	al5video	Paused or resumes playback.
al_set_voice_playing	al5audio	Changes whether a voice is playing or not.
al_set_voice_position	al5audio	Sets the voice position.
al_set_window_constraints	allegro5	Constrains a non-fullscreen resizable display.
al_set_window_position	allegro5	Sets the position on screen of a non-fullscreen display.
al_set_window_title	allegro5	Sets the title on a display.
al_show_mouse_cursor	allegro5	Makes a mouse cursor visible in the given display.
al_shutdown_font_addon	al5font	Shuts down the font addon.
al_shutdown_image_addon	al5image	Shuts down the image addon.
al_shutdown_primitives_addon	al5primitives	Shut down the primitives addon.
al_shutdown_ttf_addon	al5ttf	Unloads the TTF addon.
al_shutdown_video_addon	al5video	Shuts down the video addon.
al_start_audio_recorder	al5audio	Begin recording into the fragment buffer.
al_start_timer	allegro5	Starts the timer specified.
al_start_video	al5video	Starts streaming the video from the beginning.
al_start_video_with_voice	al5video	Like al_start_video but audio is routed to the provided voice.
al_stop_audio_recorder	al5audio	Stop capturing audio data.
al_stop_sample	al5audio	Stops the sample started by al_play_sample.
al_stop_samples	al5audio	Stops all samples started by al_play_sample.
al_stop_sample_instance	al5audio	Stops an sample instance playing.
al_stop_timer	allegro5	Stops the timer specified.
al_store_state	allegro5	Stores part of the state of the current thread in the given ALLEGRO_STATE object.
al_string_to_str	al5strings
al_string_to_str	al5strings
al_string_to_str	al5strings	Converts Pascal strings to AL_STR.
al_str_format	al5strings	Formats a string with given arguments.
al_str_to_ansistring	al5strings
al_str_to_ansistring	al5strings	Converts AL_STR or AL_STRptr to an `ANSISTRING`.
al_str_to_shortstring	al5strings
al_str_to_shortstring	al5strings	Converts AL_STR or AL_STRptr to a Pascal string.
al_str_to_string	al5strings	Converts AL_STR or AL_STRptr to a `STRING`.
al_str_to_string	al5strings
al_str_to_unicodestring	al5strings	Converts AL_STR or AL_STRptr to an `UNICODESTRING`.
al_str_to_unicodestring	al5strings
al_transform_coordinates	allegro5	Transforms a pair of coordinates.
al_transform_coordinates_3d	allegro5	Transforms x, y, z coordinates.
al_transform_coordinates_3d_projective	allegro5	Transforms `x`, `y`, `z` as homogeneous coordinates.
al_transform_coordinates_4d	allegro5	Transforms x, y, z, w coordinates.
al_translate_transform	allegro5	Applies a translation to a transformation.
al_translate_transform_3d	allegro5	Combines the given transformation with a transformation which translates coordinates by the given vector.
al_transpose_transform	allegro5	Transposes the matrix of the given transform.
al_triangulate_polygon	al5primitives	Divides a simple polygon into triangles, with zero or more other simple polygons subtracted from it - the holes.
al_ungrab_mouse	allegro5	Stop confining the mouse cursor to any display belonging to the program.
al_uninstall_audio	al5audio	Uninstalls the audio subsystem.
al_uninstall_joystick	allegro5	Uninstalls the active joystick driver.
al_uninstall_keyboard	allegro5	Uninstalls the active keyboard driver, if any.
al_uninstall_mouse	allegro5	Uninstalls the active mouse driver, if any.
al_uninstall_system	allegro5	Closes down the Allegro system.
al_unlock_bitmap	allegro5	Unlocks a previously locked bitmap or bitmap region.
al_unlock_index_buffer	al5primitives	Unlocks a previously locked index buffer.
al_unlock_sample_id	al5audio	Unlocks a ALLEGRO_SAMPLE_ID, allowing future calls to al_play_sample to reuse it if possible.
al_unlock_vertex_buffer	al5primitives	Unlocks a previously locked vertex buffer.
al_unmap_rgb	allegro5	Retrieves components of an ALLEGRO_COLOR, ignoring alpha.
al_unmap_rgba	allegro5	Retrieves components of an ALLEGRO_COLOR.
al_unmap_rgba_f	allegro5	Retrieves components of an ALLEGRO_COLOR.
al_unmap_rgb_f	allegro5	Retrieves components of an ALLEGRO_COLOR, ignoring alpha.
al_unref_user_event	allegro5	Decreases the reference count of a user-defined event.
al_unregister_event_source	allegro5	Unregister an event source with an event queue.
al_update_display_region	allegro5	Does the same as al_flip_display, but tries to update only the specified region.
al_use_projection_transform	allegro5	Sets the projection transformation to be used for the the drawing operations on the target bitmap (each bitmap maintains its own projection transformation).
al_use_shader	allegro5	Uses the shader for subsequent drawing operations on the current target bitmap.
al_use_transform	allegro5	Sets the transformation to be used for the the drawing operations on the target bitmap (each bitmap maintains its own transformation).
al_ustr_assign	al5strings	Overwrites the string `us1` with another string `us2`.
al_ustr_assign_cstr	al5strings	Overwrites the string `us1` with the contents of the string `s`.
al_ustr_compare	al5strings	This function compares `us1` and `us2` by code point values.
al_ustr_dup	al5strings	Returns a duplicate copy of a string.
al_ustr_dup_substr	al5strings	Returns a new copy of a string, containing its contents in the byte interval `[start_pos, end_pos)`.
al_ustr_empty_string	al5strings	Returns a pointer to a static empty string.
al_ustr_equal	al5strings	Returns `True` if the two strings are equal.
al_ustr_free	al5strings	Frees a previously allocated string.
al_ustr_insert_chr	al5strings	Inserts a code point into `us` beginning at byte offset `aPos`.
al_ustr_length	al5strings	Returns the number of code points in the string.
al_ustr_ncompare	al5strings	This function compares `us1` and `us2` by code point values.
al_ustr_new	al5strings	Creates a new string containing a copy of the C-style string `s`.
al_ustr_new_from_buffer	al5strings	Creates a new string containing a copy of the buffer pointed to by `s` of the given `size` in bytes.
al_ustr_next	al5strings	Finds the byte offset of the next code point in string, beginning at `aPos`.
al_ustr_offset	al5strings	Returns the byte offset (from the start of the string) of the code point at the specified `index` in the string.
al_ustr_prev	al5strings	Finds the byte offset of the previous code point in string, before `aPos`.
al_ustr_remove_chr	al5strings	Removes the code point beginning at byte offset pos.
al_ustr_size	al5strings	Returns the size of the string in bytes.
al_ustr_to_buffer	al5strings	Writes the contents of the string into a pre-allocated buffer of the given size in bytes.
al_utf8_width	al5strings	Returns the number of bytes that would be occupied by the specified code point when encoded in UTF-8.
al_vertical_shear_transform	allegro5	Applies a vertical shear to the transform
al_wait_for_event	allegro5	Waits until the event queue specified is non-empty.
al_wait_for_event_timed	allegro5	Waits until the event queue specified is non-empty.
al_wait_for_event_until	allegro5	Waits until the event queue specified is non-empty.
al_wait_for_vsync	allegro5	Waits for the beginning of a vertical retrace.
_al_check_inverse	allegro5
_al_join_thread	allegro5
_al_load_bitmap_f	allegro5
_al_load_bitmap_flags_f	allegro5
_al_set_memory_interface_	allegro5

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Allegro.pas 5.2.0

All Functions and Procedures