📦 allegro4-doc

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S (continued)

show_video_bitmap(3alleg4)Flips the hardware screen to use the specified page. Allegro game programming library.✨
shutdown_dialog(3alleg4)Destroys a dialog player returned by init_dialog(). Allegro game programming library.✨
shutdown_menu(3alleg4)Destroys a menu player object returned by init_menu(). Allegro game programming library.✨
simulate_keypress(3alleg4)Stuffs a key into the keyboard buffer. Allegro game programming library.✨
simulate_ukeypress(3alleg4)Stuffs an unicode key into the keyboard buffer. Allegro game programming library.✨
solid_mode(3alleg4)Shortcut for selecting solid drawing mode. Allegro game programming library.✨
spline(3alleg4)Draws a Bezier spline using four control points. Allegro game programming library.✨
start_sound_input(3alleg4)Starts recording in the specified format. Allegro game programming library.✨
stop_audio_stream(3alleg4)Destroys an audio stream when it is no longer required. Allegro game programming library.✨
stop_midi(3alleg4)Stops whatever music is currently playing. Allegro game programming library.✨
stop_sample(3alleg4)Stops a sample from playing. Allegro game programming library.✨
stop_sound_input(3alleg4)Stops audio recording. Allegro game programming library.✨
stretch_blit(3alleg4)Scales a rectangular area from one bitmap to another. Allegro game programming library.✨
stretch_sprite(3alleg4)Stretches a sprite to the destination bitmap. Allegro game programming library.✨

T

text_height(3alleg4)Returns the height of a font in pixels. Allegro game programming library.✨
text_length(3alleg4)Returns the length of a string in pixels. Allegro game programming library.✨
textout_centre_ex(3alleg4)Writes a centered string on a bitmap. Allegro game programming library.✨
textout_ex(3alleg4)Writes a string on a bitmap. Allegro game programming library.✨
textout_justify_ex(3alleg4)Draws justified text within a region. Allegro game programming library.✨
textout_right_ex(3alleg4)Writes a right aligned string on a bitmap. Allegro game programming library.✨
textprintf_centre_ex(3alleg4)Formatted centered output of a string. Allegro game programming library.✨
textprintf_ex(3alleg4)Formatted output of a string. Allegro game programming library.✨
textprintf_justify_ex(3alleg4)Formatted justified output of a string. Allegro game programming library.✨
textprintf_right_ex(3alleg4)Formatted right aligned output of a string. Allegro game programming library.✨
three_finger_flag(3alleg4)Flag to deactivate the emergency exit key combination. Allegro game programming library.✨
TRACE(3alleg4)Debugging helper macro to trace messages. Allegro game programming library.✨
transpose_font(3alleg4)Transposes all characters in a font. Allegro game programming library.✨
triangle(3alleg4)Draws a filled triangle. Allegro game programming library.✨
triangle3d(3alleg4)Draws a 3d triangle onto the specified bitmap. Allegro game programming library.✨
triangle3d_f(3alleg4)Draws a 3d triangle onto the specified bitmap. Allegro game programming library.✨

U

uatof(3alleg4)Converts a string into a double. Allegro game programming library.✨
uconvert(3alleg4)High level string encoding conversion wrapper. Allegro game programming library.✨
uconvert_ascii(3alleg4)Converts string from ASCII into the current format. Allegro game programming library.✨
uconvert_size(3alleg4)Number of bytes needed to store a string after conversion. Allegro game programming library.✨
uconvert_toascii(3alleg4)Converts strings from the current format into ASCII. Allegro game programming library.✨
ucwidth(3alleg4)Low level helper function for testing Unicode text data. Allegro game programming library.✨
ugetat(3alleg4)Finds out the value of a character in a string. Allegro game programming library.✨
ugetc(3alleg4)Low level helper function for reading Unicode text data. Allegro game programming library.✨
ugetx(3alleg4)Low level helper function for reading Unicode text data. Allegro game programming library.✨
ugetxc(3alleg4)Low level helper function for reading Unicode text data. Allegro game programming library.✨
uinsert(3alleg4)Inserts a character in a string. Allegro game programming library.✨
uisdigit(3alleg4)Tells if a character is a digit. Allegro game programming library.✨
uisok(3alleg4)Low level helper function for testing Unicode text data. Allegro game programming library.✨
uisspace(3alleg4)Tells if a character is whitespace. Allegro game programming library.✨
unload_datafile(3alleg4)Frees all the objects in a datafile. Allegro game programming library.✨
unload_datafile_object(3alleg4)Frees an object previously loaded by load_datafile_object(). Allegro game programming library.✨
unscare_mouse(3alleg4)Undoes the effect of scare_mouse() or scare_mouse_area(). Allegro game programming library.✨
unselect_palette(3alleg4)Restores the palette before last call to select_palette(). Allegro game programming library.✨
uoffset(3alleg4)Finds the offset of a character in a string. Allegro game programming library.✨
update_dialog(3alleg4)Low level function to update a dialog player. Allegro game programming library.✨
update_menu(3alleg4)Low level function to update a menu player. Allegro game programming library.✨
ureadkey(3alleg4)Returns the next unicode character from the keyboard buffer. Allegro game programming library.✨
uremove(3alleg4)Removes a character from a string. Allegro game programming library.✨
usetat(3alleg4)Replaces a character in a string. Allegro game programming library.✨
usetc(3alleg4)Low level helper function for writing Unicode text data. Allegro game programming library.✨
usprintf(3alleg4)Writes formatted data into a buffer. Allegro game programming library.✨
ustrcat(3alleg4)Concatenates a string to another one. Allegro game programming library.✨
ustrchr(3alleg4)Finds the first occurrence of a character in a string. Allegro game programming library.✨
ustrcmp(3alleg4)Compares two strings. Allegro game programming library.✨
ustrcpy(3alleg4)Copies a string into another one. Allegro game programming library.✨
ustrdup(3alleg4)Duplicates a string. Allegro game programming library.✨
ustrerror(3alleg4)Returns a string describing errno. Allegro game programming library.✨
ustricmp(3alleg4)Compares two strings ignoring case. Allegro game programming library.✨
ustrlen(3alleg4)Tells the number of characters in a string. Allegro game programming library.✨
ustrlwr(3alleg4)Replaces all letters with lower case. Allegro game programming library.✨
ustrncat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
ustrncmp(3alleg4)Compares up to n letters of two strings. Allegro game programming library.✨
ustrncpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
ustrnicmp(3alleg4)Compares up to n letters of two strings ignoring case. Allegro game programming library.✨
ustrpbrk(3alleg4)Finds the first character that matches any in a set. Allegro game programming library.✨
ustrrchr(3alleg4)Finds the last occurrence of a character in a string. Allegro game programming library.✨
ustrsize(3alleg4)Size of the string in bytes without null terminator. Allegro game programming library.✨
ustrsizez(3alleg4)Size of the string in bytes including null terminator. Allegro game programming library.✨
ustrstr(3alleg4)Finds the first occurrence of a string in another one. Allegro game programming library.✨
ustrtod(3alleg4)Converts a string into a floating point number. Allegro game programming library.✨
ustrtok(3alleg4)Retrieves tokens from a string. Allegro game programming library.✨
ustrtok_r(3alleg4)Reentrant function to retrieve tokens from a string. Allegro game programming library.✨
ustrtol(3alleg4)Converts a string into an integer. Allegro game programming library.✨
ustrupr(3alleg4)Replaces all letters with upper case. Allegro game programming library.✨
ustrzcat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
ustrzcpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
ustrzncat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
ustrzncpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
uszprintf(3alleg4)Writes formatted data into a buffer, specifying size. Allegro game programming library.✨
utolower(3alleg4)Converts a letter to lower case. Allegro game programming library.✨
utoupper(3alleg4)Converts a letter to upper case. Allegro game programming library.✨
uvsprintf(3alleg4)Writes formatted data into a buffer, using variable arguments. Allegro game programming library.✨
uvszprintf(3alleg4)Writes formatted data into a buffer, using size and variable arguments. Allegro game programming library.✨
uwidth(3alleg4)Low level helper function for testing Unicode text data. Allegro game programming library.✨
uwidth_max(3alleg4)Number of bytes a character can occupy. Allegro game programming library.✨

V

V3D(3alleg4)Fixed point vertex structure used by 3d functions. Allegro game programming library.✨
V3D_f(3alleg4)Floating point vertex structure used by 3d functions. Allegro game programming library.✨
vector_length(3alleg4)Calculates the length of a vector. Allegro game programming library.✨
vector_length_f(3alleg4)Calculates the length of a vector. Allegro game programming library.✨
VIRTUAL_H(3alleg4)Global define to obtain the virtual size of the screen. Allegro game programming library.✨
VIRTUAL_W(3alleg4)Global define to obtain the virtual size of the screen. Allegro game programming library.✨
vline(3alleg4)Draws a vertical line onto the bitmap. Allegro game programming library.✨
voice_check(3alleg4)Checks whether a voice is currently allocated. Allegro game programming library.✨
voice_get_frequency(3alleg4)Returns the current pitch of the voice. Allegro game programming library.✨
voice_get_pan(3alleg4)Returns the current pan position. Allegro game programming library.✨
voice_get_position(3alleg4)Returns the current position of a voice. Allegro game programming library.✨
voice_get_volume(3alleg4)Returns the current volume of the voice. Allegro game programming library.✨
voice_ramp_volume(3alleg4)Starts a volume ramp for a voice. Allegro game programming library.✨
voice_set_echo(3alleg4)Sets the echo parameters for a voice. Allegro game programming library.✨
voice_set_frequency(3alleg4)Sets the pitch of the voice. Allegro game programming library.✨
voice_set_pan(3alleg4)Sets the pan position. Allegro game programming library.✨
voice_set_playmode(3alleg4)Adjusts the loop status of the specified voice. Allegro game programming library.✨
voice_set_position(3alleg4)Sets the position of a voice. Allegro game programming library.✨
voice_set_priority(3alleg4)Sets the priority of a voice. Allegro game programming library.✨
voice_set_tremolo(3alleg4)Sets the tremolo parameters for a voice. Allegro game programming library.✨
voice_set_vibrato(3alleg4)Sets the vibrato parameters for a voice. Allegro game programming library.✨
voice_set_volume(3alleg4)Sets the volume of the voice. Allegro game programming library.✨
voice_start(3alleg4)Activates a voice. Allegro game programming library.✨
voice_stop(3alleg4)Stops a voice. Allegro game programming library.✨
voice_stop_frequency_sweep(3alleg4)Interrupts a frequency sweep operation. Allegro game programming library.✨
voice_stop_pan_sweep(3alleg4)Interrupts a pan sweep operation. Allegro game programming library.✨
voice_stop_volumeramp(3alleg4)Interrupts a volume ramp operation. Allegro game programming library.✨
voice_sweep_frequency(3alleg4)Starts a frequency sweep for a voice. Allegro game programming library.✨
voice_sweep_pan(3alleg4)Starts a pan sweep for a voice. Allegro game programming library.✨
vsync(3alleg4)Waits for a vertical retrace to begin. Allegro game programming library.✨

X

xor_mode(3alleg4)Shortcut for toggling xor drawing mode on and off. Allegro game programming library.✨
xwin_set_window_name(3alleg4)Specify the window name and group (or class). Allegro game programming library.✨

Z

ZBUFFER(3alleg4)Stores 3d zbuffer information. Allegro game programming library.✨