Section 3: library functions
WildMidi_MasterVolume – sets the overall audio level of the library. Library libWildMidi Synopsis #include <wildmidi_lib.h> int WildMidi_MasterVolume (unsigned char master_volume) Description Sets the overall library volume level to master_volume. The range of master_volume is between 0 and 127 with 100 being the default. Return Value Returns -1 on error, otherwise returns 0. See Also WildMidi_GetString(3),…
WildMidi_Init – Initialize the library Library libWildMidi Synopsis #include <wildmidi_lib.h> WildMidi_Init (const char *config_file, unsigned short int rate, unsigned short int options) Description Initializes libWildMidi in preparation for playback. This function only needs to be called once by the program using libWildMidi. config-file The file that contains the instrument configuration for the library. rate The…
WildMidi_GetString – Get string from library Library libWildMidi Synopsis #include <wildmidi_lib.h> const char *WildMidi_GetString (unsigned short int info); Description Returns a pointer to a string depending on what info is set to. At this stage WM_GS_VERSION is the only setting for info which returns a pointer to a string containing libWildMidi version information. Return Value…
WildMidi_GetOutput – retrieve raw audio data Library libWildMidi Synopsis #include <wildmidi_lib.h> int WildMidi_GetOutput (midi *handle, char *buffer, unsigned long int size); Description Places size bytes of audio data from a handle, previously opened by WildMidi_Open(3) or WildMidi_OpenBuffer(3), into a buffer pointer to by buffer. buffer must be at least size bytes, with size being a…
WildMidi_GetInfo – get information on a midi Library libWildMidi Synopsis #include <wildmidi_lib.h> struct _WM_Info *WildMidi_GetInfo (midi *handle); Description Obtains information allowing you to determine song position, current options, and any copyright information. handle The identifier obtained from opening a midi file with WildMidi_Open(3) or WildMidi_OpenBuffer(3) Return Value On error returns NULL with an error message…
WildMidi_FastSeek – Move to a position in a midi file Library libWildMidi Synopsis #include <wildmidi_lib.h> int WildMidi_FastSeek (midi *handle, unsigned long int *sample_pos); Description Resets all note specific midi states and active notes before scanning to sample_pos samples from the beginning taking note of any changes to midi channel states. The next call to WildMidi_GetOutput(3)…
WildMidi_Close – Close an open midi handle Library libWildMidi Synopsis #include <wildmidi_lib.h> int WildMidi_Close (midi *handle) Description Finish processing MIDI data or file. handle The identifier obtained from opening a midi file with WildMidi_Open(3) or WildMidi_OpenBuffer(3) Return Value returns -1 on error, otherwise returns 0 See Also WildMidi_GetString(3), WildMidi_Init(3), WildMidi_MasterVolume(3), WildMidi_Open(3), WildMidi_OpenBuffer(3), WildMidi_SetOption(3), WildMidi_GetOutput(3), WildMidi_GetInfo(3),…
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen – screen information functions and macros Syntax unsigned long BlackPixelOfScreen(Screen *screen); unsigned long WhitePixelOfScreen(Screen *screen); int CellsOfScreen(Screen *screen); Colormap DefaultColormapOfScreen(Screen *screen); int DefaultDepthOfScreen(Screen *screen); GC DefaultGCOfScreen(Screen *screen); Visual *DefaultVisualOfScreen(Screen *screen); int DoesBackingStore(Screen *screen); Bool DoesSaveUnders(Screen…
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen – screen information functions and macros Syntax unsigned long BlackPixelOfScreen(Screen *screen); unsigned long WhitePixelOfScreen(Screen *screen); int CellsOfScreen(Screen *screen); Colormap DefaultColormapOfScreen(Screen *screen); int DefaultDepthOfScreen(Screen *screen); GC DefaultGCOfScreen(Screen *screen); Visual *DefaultVisualOfScreen(Screen *screen); int DoesBackingStore(Screen *screen); Bool DoesSaveUnders(Screen…
BlackPixelOfScreen, WhitePixelOfScreen, CellsOfScreen, DefaultColormapOfScreen, DefaultDepthOfScreen, DefaultGCOfScreen, DefaultVisualOfScreen, DoesBackingStore, DoesSaveUnders, DisplayOfScreen, XScreenNumberOfScreen, EventMaskOfScreen, HeightOfScreen, HeightMMOfScreen, MaxCmapsOfScreen, MinCmapsOfScreen, PlanesOfScreen, RootWindowOfScreen, WidthOfScreen, WidthMMOfScreen – screen information functions and macros Syntax unsigned long BlackPixelOfScreen(Screen *screen); unsigned long WhitePixelOfScreen(Screen *screen); int CellsOfScreen(Screen *screen); Colormap DefaultColormapOfScreen(Screen *screen); int DefaultDepthOfScreen(Screen *screen); GC DefaultGCOfScreen(Screen *screen); Visual *DefaultVisualOfScreen(Screen *screen); int DoesBackingStore(Screen *screen); Bool DoesSaveUnders(Screen…
AllPlanes, BlackPixel, WhitePixel, ConnectionNumber, DefaultColormap, DefaultDepth, XListDepths, DefaultGC, DefaultRootWindow, DefaultScreenOfDisplay, DefaultScreen, DefaultVisual, DisplayCells, DisplayPlanes, DisplayString, XMaxRequestSize, XExtendedMaxRequestSize, LastKnownRequestProcessed, NextRequest, ProtocolVersion, ProtocolRevision, QLength, RootWindow, ScreenCount, ScreenOfDisplay, ServerVendor, VendorRelease – Display macros and functions Syntax unsigned long AllPlanes; unsigned long BlackPixel(Display *display, int screen_number); unsigned long WhitePixel(Display *display, int screen_number); int ConnectionNumber(Display *display); Colormap DefaultColormap(Display *display, int…
Date and time calculations – Classes class DateInterval Date interval described by a number of a given time unit. class PricingPeriod Time pricingperiod described by a number of a given time unit. class Calendar calendar class class Date Concrete date class. struct DateGeneration Date-generation rule. class DayCounter day counter class class Period Modules Calendars Day…
ql/time/weekday.hpp – Weekday enumeration. Synopsis enum Weekday { Sunday = 1, Monday = 2, Tuesday = 3, Wednesday = 4, Thursday = 5, Friday = 6, Saturday = 7, Sun = 1, Mon = 2, Tue = 3, Wed = 4, Thu = 5, Fri = 6, Sat = 7 } Functions Enumerations enum Weekday…
WMShell – window-manager shell widget from the X toolkit Synopsis #include <X11/Shell.h> Description WMShell is a widget which is defined in the X Toolkit. We document its existence here for completeness. Please refer to the X Window System documentation for the real information regarding this widget. X Resources Name Class Type Default Access XtNtitle XtCTitle…
WFMath::ZeroPrimitive – Utility class for providing zero primitives. This class will only work with simple structures such as Vector or Point which provide a m_elem structure. In order for it to access the m_elem structure it must be declared as a friend class of the class it will provide an instance of. Synopsis #include <zero.h>…
WFMath::Vector – A dim dimensional vector. Synopsis #include <vector.h> Public Member Functions Vector () Construct an uninitialized vector. Vector (const Vector &v) Construct a copy of a vector. Vector (const AtlasInType &a) Construct a vector from an object passed by Atlas. Vector (const Point< dim > point) Construct a vector from a point. AtlasOutType toAtlas…
WFMath::TimeStamp – A time stamp. Synopsis #include <timestamp.h> Public Member Functions TimeStamp () Construct an uninitialized TimeStamp. Static Public Member Functions static TimeStamp now () set a TimeStamp to the current time static TimeStamp epochStart () set a TimeStamp to Jan 1, 1970 Detailed Description A time stamp. This class implements the ‘generic’ subset of…
WFMath::TimeDiff – The difference between two timestamps. Synopsis #include <timestamp.h> Public Member Functions TimeDiff () construct an uninitialized TimeDiff TimeDiff (long msec) construct a TimeDiff of a given number of milliseconds long milliseconds () const Get the value of a TimeDiff in milliseconds. std::pair< long, long > full_time () const Get the value of a…
WFMath::Shape – A fake class which documents the generic parts of the WFMath interface. Synopsis #include <shape.h> Public Member Functions bool isEqualTo (const Shape &s, double tolerance=WFMATH_EPSILON) const generic: check if two classes are equal, up to a given tolerance bool operator== (const Shape &s) const generic: check if two classes are equal, up to…
WFMath::Segment – A line segment embedded in dim dimensions. Synopsis #include <segment.h> Public Member Functions Segment () construct an uninitialized segment Segment (const Point< dim > &p1, const Point< dim > &p2) construct a segment with endpoints p1 and p2 Segment (const Segment &s) construct a copy of a segment const Point< dim > &…