📦 allegro4-doc

923 pages · page 2 of 5

E (continued)

exmidi(3alleg4)Playing MIDI music. Allegro game programming library.✨
exmouse(3alleg4)Getting input from the mouse. Allegro game programming library.✨
expackf(3alleg4)Using custom PACKFILE vtables. Allegro game programming library.✨
expal(3alleg4)Palette effects and color cycling. Allegro game programming library.✨
expat(3alleg4)Using patterned drawing modes and sub-bitmaps. Allegro game programming library.✨
exquat(3alleg4)A comparison between Euler angles and quaternions. Allegro game programming library.✨
exrgbhsv(3alleg4)RGB <-> HSV color space conversions. Allegro game programming library.✨
exrotscl(3alleg4)Demonstrates rotate_scaled_sprite functions. Allegro game programming library.✨
exsample(3alleg4)Playing digital samples. Allegro game programming library.✨
exscale(3alleg4)Loading PCX files and bitmap stretching. Allegro game programming library.✨
exscn3d(3alleg4)Using the 3d scene functions. Allegro game programming library.✨
exscroll(3alleg4)Mode-X hardware scrolling and split screens. Allegro game programming library.✨
exshade(3alleg4)Gouraud shaded sprites. Allegro game programming library.✨
exspline(3alleg4)Constructing smooth movement paths from spline curves. Allegro game programming library.✨
exsprite(3alleg4)Datafiles access and sprite animation. Allegro game programming library.✨
exstars(3alleg4)3d starfield and lightsourced spaceship. Allegro game programming library.✨
exstream(3alleg4)Playing audio streams. Allegro game programming library.✨
exswitch(3alleg4)Controlling the console switch mode for background running. Allegro game programming library.✨
exsyscur(3alleg4)Hardware accelerated mouse cursors. Allegro game programming library.✨
extimer(3alleg4)Using the timer (delays and interrupts). Allegro game programming library.✨
extract_font_range(3alleg4)Extracts a range of characters from a font. Allegro game programming library.✨
extrans(3alleg4)Lighting and translucency effects. Allegro game programming library.✨
extrans2(3alleg4)Drawing flipped, translucent and tinted sprites. Allegro game programming library.✨
extruec(3alleg4)Truecolor pixel format conversions. Allegro game programming library.✨
exunicod(3alleg4)Using Unicode string functions. Allegro game programming library.✨
exupdate(3alleg4)Supporting different screen update methods in a single program. Allegro game programming library.✨
exxfade(3alleg4)Truecolor image loading and fades. Allegro game programming library.✨
exzbuf(3alleg4)Z-buffered polygons demo. Allegro game programming library.✨

F

fade_from(3alleg4)Gradually fades the palette between two others. Allegro game programming library.✨
fade_from_range(3alleg4)Gradually fades a part of the palette between two others. Allegro game programming library.✨
fade_in(3alleg4)Gradually fades the palette from black. Allegro game programming library.✨
fade_in_range(3alleg4)Gradually fades a part of the palette from black. Allegro game programming library.✨
fade_interpolate(3alleg4)Calculates a new palette interpolated between two others. Allegro game programming library.✨
fade_out(3alleg4)Gradually fades the palette to black. Allegro game programming library.✨
fade_out_range(3alleg4)Gradually fades a part of the palette to black. Allegro game programming library.✨
fastline(3alleg4)Faster version of line(). Allegro game programming library.✨
file_exists(3alleg4)Tells if a file exists. Allegro game programming library.✨
file_select_ex(3alleg4)Displays the Allegro file selector with a caption.✨
file_size_ex(3alleg4)Returns the size of a file in bytes. Allegro game programming library.✨
file_time(3alleg4)Returns the modification time of a file. Allegro game programming library.✨
find_allegro_resource(3alleg4)Searches for a support file in many places. Allegro game programming library.✨
find_datafile_object(3alleg4)Searches a datafile for an object with a name. Allegro game programming library.✨
find_dialog_focus(3alleg4)Searches the dialog for the object which has the input focus. Allegro game programming library.✨
fix_filename_case(3alleg4)Converts a filename to a standardised case. Allegro game programming library.✨
fix_filename_slashes(3alleg4)Converts all the directory separators to a standard character. Allegro game programming library.✨
fixacos(3alleg4)Fixed point inverse cosine lookup table. Allegro game programming library.✨
fixadd(3alleg4)Safe function to add fixed point numbers clamping overflow. Allegro game programming library.✨
fixasin(3alleg4)Fixed point inverse sine lookup table. Allegro game programming library.✨
fixatan(3alleg4)Fixed point inverse tangent lookup table. Allegro game programming library.✨
fixatan2(3alleg4)Fixed point version of the libc atan2() routine. Allegro game programming library.✨
fixceil(3alleg4)Returns the smallest integer not less than x. Allegro game programming library.✨
fixcos(3alleg4)Fixed point cosine of binary angles. Allegro game programming library.✨
fixdiv(3alleg4)Fixed point division. Allegro game programming library.✨
fixed(3alleg4)Fixed point integer to replace floats. Allegro game programming library.✨
fixfloor(3alleg4)Returns the greatest integer not greater than x. Allegro game programming library.✨
fixhypot(3alleg4)Fixed point hypotenuse. Allegro game programming library.✨
fixmul(3alleg4)Multiplies two fixed point values together. Allegro game programming library.✨
fixsin(3alleg4)Fixed point sine of binary angles. Allegro game programming library.✨
fixsqrt(3alleg4)Fixed point square root. Allegro game programming library.✨
fixsub(3alleg4)Safe function to subtract fixed point numbers clamping underflow. Allegro game programming library.✨
fixtan(3alleg4)Fixed point tangent of binary angles. Allegro game programming library.✨
fixtof(3alleg4)Converts a fixed point to floating point. Allegro game programming library.✨
fixtoi(3alleg4)Converts a fixed point to integer with rounding. Allegro game programming library.✨
fixtorad_r(3alleg4)Constant to convert angles in fixed point format to radians. Allegro game programming library.✨
fixup_datafile(3alleg4)Fixes truecolor images in compiled datafiles. Allegro game programming library.✨
fli_bitmap(3alleg4)Contains the current frame of the animation. Allegro game programming library.✨
fli_bmp_dirty_from(3alleg4)Indicate which parts of the image have changed. Allegro game programming library.✨
fli_bmp_dirty_to(3alleg4)Indicate which parts of the image have changed. Allegro game programming library.✨
fli_frame(3alleg4)Stores the current frame number of the animation. Allegro game programming library.✨
fli_pal_dirty_from(3alleg4)Indicate which parts of the palette have changed. Allegro game programming library.✨
fli_pal_dirty_to(3alleg4)Indicate which parts of the palette have changed. Allegro game programming library.✨
fli_palette(3alleg4)Contains the current palette of the animation. Allegro game programming library.✨
fli_timer(3alleg4)Global variable for timing FLI playback. Allegro game programming library.✨
floodfill(3alleg4)Floodfills an enclosed area. Allegro game programming library.✨
flush_config_file(3alleg4)Flushes the current config file to disk. Allegro game programming library.✨
FONT(3alleg4)Stores an Allegro font.✨
font(3alleg4)A simple 8x8 fixed size font. Allegro game programming library.✨
font_has_alpha(3alleg4)Search all pixels of a font for alpha values. Allegro game programming library.✨
for_each_file_ex(3alleg4)Executes callback() for each file matching a wildcard. Allegro game programming library.✨
free_audio_stream_buffer(3alleg4)Tells the audio stream player new data can be played. Allegro game programming library.✨
free_config_entries(3alleg4)Frees memory allocated for config entry lists. Allegro game programming library.✨
free_lzss_pack_data(3alleg4)Frees an LZSS structure. Allegro game programming library.✨
free_lzss_unpack_data(3alleg4)Frees an LZSS structure. Allegro game programming library.✨
freeze_mouse_flag(3alleg4)Flag to avoid redrawing the mouse pointer. Allegro game programming library.✨
ftofix(3alleg4)Converts a floating point value to fixed point. Allegro game programming library.✨

G

generate_332_palette(3alleg4)Constructs a fake truecolor palette. Allegro game programming library.✨
generate_optimized_palette(3alleg4)Generates an optimized palette for a bitmap. Allegro game programming library.✨
get_align_matrix(3alleg4)Rotates a matrix to align it along specified coordinate vectors. Allegro game programming library.✨
get_align_matrix_f(3alleg4)Floating point version of get_align_matrix(). Allegro game programming library.✨
get_audio_stream_buffer(3alleg4)Tells you if you need to fill the audiostream or not. Allegro game programming library.✨
get_camera_matrix(3alleg4)Constructs a camera matrix for perspective projection. Allegro game programming library.✨
get_camera_matrix_f(3alleg4)Floating point version of get_camera_matrix(). Allegro game programming library.✨
get_clip_rect(3alleg4)Returns the clipping rectangle of a bitmap. Allegro game programming library.✨
get_clip_state(3alleg4)Tells if clipping is on for a bitmap. Allegro game programming library.✨
get_color(3alleg4)Retrieves the specified palette entry. Allegro game programming library.✨
get_color_conversion(3alleg4)Returns the current color conversion mode. Allegro game programming library.✨
get_color_depth(3alleg4)Returns the current pixel color depth. Allegro game programming library.✨
get_compiled_sprite(3alleg4)Creates a compiled sprite using a bitmap as source. Allegro game programming library.✨
get_config_argv(3alleg4)Reads a token list from the configuration file. Allegro game programming library.✨
get_config_float(3alleg4)Retrieves a float from the configuration file. Allegro game programming library.✨
get_config_hex(3alleg4)Retrieves a hexadecimal value from the configuration file. Allegro game programming library.✨
get_config_id(3alleg4)Retrieves a driver ID from a configuration file. Allegro game programming library.✨
get_config_int(3alleg4)Retrieves an integer from the configuration file. Allegro game programming library.✨
get_config_string(3alleg4)Retrieves a string from the configuration file. Allegro game programming library.✨
get_config_text(3alleg4)Returns a string translated to the current language. Allegro game programming library.✨
get_datafile_property(3alleg4)Returns the property string for the object. Allegro game programming library.✨
get_desktop_resolution(3alleg4)Finds out the desktop resolution. Allegro game programming library.✨
get_display_switch_mode(3alleg4)Returns the current display switching mode. Allegro game programming library.✨
get_executable_name(3alleg4)Obtains the full path to the current executable. Allegro game programming library.✨
get_extension(3alleg4)Returns a pointer to the extension of a filename. Allegro game programming library.✨
get_filename(3alleg4)Returns a pointer to the filename portion of a path. Allegro game programming library.✨
get_filename_encoding(3alleg4)Returns the encoding currently assumed for filenames. Allegro game programming library.✨
get_font_range_begin(3alleg4)Returns the start of a character range in a font. Allegro game programming library.✨
get_font_range_end(3alleg4)Returns the last character of a character range in a font. Allegro game programming library.✨
get_font_ranges(3alleg4)Returns the number of character ranges in a font. Allegro game programming library.✨
get_gfx_mode(3alleg4)Returns the id of the current graphics driver. Allegro game programming library.✨
get_gfx_mode_list(3alleg4)Obtains a list of available video modes. Allegro game programming library.✨
get_gfx_mode_type(3alleg4)Retrieves type information for a specific graphics card. Allegro game programming library.✨
get_hardware_volume(3alleg4)Retrieves the hardware sound output volume. Allegro game programming library.✨
get_midi_length(3alleg4)Determines the total playing time of a midi, in seconds. Allegro game programming library.✨
get_mixer_bits(3alleg4)Returns the mixer bit depth (8 or 16). Allegro game programming library.✨
get_mixer_buffer_length(3alleg4)Returns the number of samples per channel in the mixer buffer. Allegro game programming library.✨
get_mixer_channels(3alleg4)Returns the number of output channels. Allegro game programming library.✨
get_mixer_frequency(3alleg4)Returns the mixer frequency, in Hz. Allegro game programming library.✨
get_mixer_quality(3alleg4)Returns the current mixing quality. Allegro game programming library.✨
get_mixer_voices(3alleg4)Returns the number of voices allocated to the mixer. Allegro game programming library.✨
get_mouse_mickeys(3alleg4)How far the mouse has moved since the last call to this function. Allegro game programming library.✨
get_palette(3alleg4)Retrieves the entire palette of 256 colors. Allegro game programming library.✨
get_palette_range(3alleg4)Retrieves a specific palette range. Allegro game programming library.✨
get_refresh_rate(3alleg4)Returns the current refresh rate. Allegro game programming library.✨
get_rle_sprite(3alleg4)Creates an RLE sprite using a bitmap as source. Allegro game programming library.✨
get_rotation_matrix(3alleg4)Constructs X, Y, Z rotation matrices. Allegro game programming library.✨
get_rotation_matrix_f(3alleg4)Constructs X, Y, Z rotation matrices. Allegro game programming library.✨
get_rotation_quat(3alleg4)Constructs a quaternion to rotate points around all three axes. Allegro game programming library.✨
get_scaling_matrix(3alleg4)Constructs a scaling matrix. Allegro game programming library.✨
get_scaling_matrix_f(3alleg4)Constructs a scaling matrix. Allegro game programming library.✨
get_sound_input_cap_bits(3alleg4)Checks which audio input sample formats are supported. Allegro game programming library.✨
get_sound_input_cap_parm(3alleg4)Detects if the specified recording parameters are supported. Allegro game programming library.✨
get_sound_input_cap_rate(3alleg4)Returns the maximum sample frequency for recording. Allegro game programming library.✨
get_sound_input_cap_stereo(3alleg4)Tells if the input driver is capable of stereo recording. Allegro game programming library.✨
get_transformation_matrix(3alleg4)Constructs X, Y, Z rotation matrices with an angle and scaling. Allegro game programming library.✨
get_transformation_matrix_f(3alleg4)Floating point version of get_transformation_matrix(). Allegro game programming library.✨
get_translation_matrix(3alleg4)Constructs a translation matrix. Allegro game programming library.✨
get_translation_matrix_f(3alleg4)Constructs a translation matrix. Allegro game programming library.✨
get_uformat(3alleg4)Finds out what text encoding format is currently selected. Allegro game programming library.✨
get_vector_rotation_matrix(3alleg4)Constructs X, Y, Z rotation matrices with an angle. Allegro game programming library.✨
get_vector_rotation_matrix_f(3alleg4)Constructs X, Y, Z rotation matrices with an angle. Allegro game programming library.✨
get_vector_rotation_quat(3alleg4)Constructs a quaternion to rotate points around a vector. Allegro game programming library.✨
get_volume(3alleg4)Retrieves the global sound output volume. Allegro game programming library.✨
get_x_rotate_matrix(3alleg4)Construct X axis rotation matrices. Allegro game programming library.✨
get_x_rotate_matrix_f(3alleg4)Construct X axis rotation matrices. Allegro game programming library.✨
get_x_rotate_quat(3alleg4)Construct axis rotation quaternions. Allegro game programming library.✨
get_y_rotate_matrix(3alleg4)Construct Y axis rotation matrices. Allegro game programming library.✨
get_y_rotate_matrix_f(3alleg4)Construct Y axis rotation matrices. Allegro game programming library.✨
get_y_rotate_quat(3alleg4)Construct axis rotation quaternions. Allegro game programming library.✨
get_z_rotate_matrix(3alleg4)Construct Z axis rotation matrices. Allegro game programming library.✨
get_z_rotate_matrix_f(3alleg4)Construct Z axis rotation matrices. Allegro game programming library.✨
get_z_rotate_quat(3alleg4)Construct axis rotation quaternions. Allegro game programming library.✨
geta(3alleg4)Extract a color component from the current pixel format. Allegro game programming library.✨
geta32(3alleg4)Extract the alpha component form a 32-bit pixel format color. Allegro game programming library.✨
geta_depth(3alleg4)Extract a color component from a color in a specified pixel format. Allegro game programming library.✨
getb(3alleg4)Extract a color component from the current pixel format. Allegro game programming library.✨
getb15(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getb16(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getb24(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getb32(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getb8(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getb_depth(3alleg4)Extract a color component from a color in a specified pixel format. Allegro game programming library.✨
getg(3alleg4)Extract a color component from the current pixel format. Allegro game programming library.✨
getg15(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getg16(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getg24(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getg32(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getg8(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getg_depth(3alleg4)Extract a color component from a color in a specified pixel format. Allegro game programming library.✨
getpixel(3alleg4)Reads a pixel from a bitmap. Allegro game programming library.✨
getr(3alleg4)Extract a color component from the current pixel format. Allegro game programming library.✨
getr15(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getr16(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getr24(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getr32(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getr8(3alleg4)Extract a color component from the specified pixel format. Allegro game programming library.✨
getr_depth(3alleg4)Extract a color component from a color in a specified pixel format. Allegro game programming library.✨
gfx_capabilities(3alleg4)Bitfield describing video hardware capabilities. Allegro game programming library.✨
GFX_MODE(3alleg4)Stores video mode information. Allegro game programming library.✨
GFX_MODE_LIST(3alleg4)Stores an array of GFX_MODE structures. Allegro game programming library.✨
gfx_mode_select(3alleg4)Displays the Allegro graphics mode selection dialog.✨
gfx_mode_select_ex(3alleg4)Extended version of the graphics mode selection dialog. Allegro game programming library.✨
gfx_mode_select_filter(3alleg4)Even more extended version of the graphics mode selection dialog. Allegro game programming library.✨
grab_font_from_bitmap(3alleg4)Grabs a font from a bitmap Allegro game programming library.✨
gui_bg_color(3alleg4)The foreground and background colors for the standard dialogs. Allegro game programming library.✨
gui_button_proc(3alleg4)Hooks to customise the look and feel of Allegro dialogs.✨
gui_ctext_proc(3alleg4)Hooks to customise the look and feel of Allegro dialogs.✨
gui_edit_proc(3alleg4)Hooks to customise the look and feel of Allegro dialogs.✨
gui_fg_color(3alleg4)The foreground and background colors for the standard dialogs. Allegro game programming library.✨
gui_font_baseline(3alleg4)Adjusts the keyboard shortcut underscores height. Allegro game programming library.✨
gui_get_screen(3alleg4)Returns the bitmap surface GUI routines draw to. Allegro game programming library.✨
gui_list_proc(3alleg4)Hooks to customise the look and feel of Allegro dialogs.✨
gui_menu_draw_menu(3alleg4)Hooks to modify the appearance of menus. Allegro game programming library.✨
gui_menu_draw_menu_item(3alleg4)Hooks to modify the appearance of menus. Allegro game programming library.✨