/*================================================================== ================================================================== == XMusic -- An Interactive Interface to Csound == == Copyright (C) 1988 by George D. Drapeau == == All Rights Reserved == ================================================================== ================================================================== */ /* $Log: draw.c,v $ * Revision 1.4 89/08/06 18:00:36 drapeau * Changed a call of XCopyArea to XCopyPlane to take in to account creation * of tool Pixmaps by using "XCreateBitmapFromData" instead of the older * method of using "XCreatePixmapFromBitmapData". * Also, removed comments about the DrawMusicWin() algorithm, which no * longer saves a copy of the window to save future drawing time. Now the * function simply redraws each tool and connection in the diagram, no * matter how much (or little) was exposed. * */ #include #include #include #include #define USEBITMAPS #include "defs.h" #include "externs.h" /*############################################################################ FUNCTION DrawMusicWin DESCRIPTION: This function is responsible for drawing the Music window. This function calls other functions to do the actual screen drawing. */ void DrawMusicWin(w,clientData,callData) Widget w; char *clientData; XEvent *callData; { Tool *tPtr; Window rootReturn; int wInfoX,wInfoY,wInfoWidth,wInfoHeight; int rInfoX,rInfoY,rInfoWidth,rInfoHeight; XClearWindow(dpy,musicWin); /* Clear the Music window before drawing */ for (tPtr = toolList; tPtr; tPtr = tPtr->next) /* Go through the list of tools so far and... */ { DrawOneTool(tPtr); /* ...draw them, one by one, in the Music Window */ } for (tPtr = toolList; tPtr; tPtr = tPtr->next) /* Go through the list of tools so far and... */ { DrawToolConnection(tPtr); /* ...connect them, one by one, in the Music Window */ } } /* end function DrawMusicWin */ DrawOneTool(tool) Tool *tool; { if (tool->type == ParamTool) DrawParamTool(tool); else XCopyPlane(dpy,(Drawable)tool->map,(Drawable)musicWin,gc, 0,0,TOOLSIZE,TOOLSIZE, tool->x - (TOOLSIZE/2), tool->y - (TOOLSIZE/2),1); } /* end function DrawOneTool */ DrawParamTool(tPtr) Tool *tPtr; { XDrawImageString(dpy,(Drawable)musicWin,gc, tPtr->x - (strlen(tPtr->fName) * FontWidth(musicFont) / 2), tPtr->y + FontHeight(musicFont), tPtr->fName, strlen(tPtr->fName)); } /* end function DrawParamTool */ DrawToolConnection(tool) /* This function draws a line between this tool... */ Tool *tool; /* ...and the tools that serve as input to this one. */ { if (tool->type == SineTool) { DrawSineTool(tool); return; } if (tool->input1 != NULL) /* Is the first input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input1 */ tool->input1->x, tool->input1->y + (TOOLSIZE/2)); if (tool->input2 != NULL) /* Is the second input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input2 */ tool->input2->x, tool->input2->y + (TOOLSIZE/2)); if (tool->input3 != NULL) /* Is the third input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input3 */ tool->input3->x, tool->input3->y + (TOOLSIZE/2)); if (tool->input4 != NULL) /* Is the fourth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input4 */ tool->input4->x, tool->input4->y + (TOOLSIZE/2)); if (tool->input5 != NULL) /* Is the fifth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input5 */ tool->input5->x, tool->input5->y + (TOOLSIZE/2)); if (tool->input6 != NULL) /* Is the sixth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input6 */ tool->input6->x, tool->input6->y + (TOOLSIZE/2)); if (tool->input7 != NULL) /* Is the seventh input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input7 */ tool->input7->x, tool->input7->y + (TOOLSIZE/2)); if (tool->input8 != NULL) /* Is the eighth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input8 */ tool->input8->x, tool->input8->y + (TOOLSIZE/2)); } /* end function DrawToolConnection */ DrawSineTool(tool) Tool *tool; { if (tool->input1 != NULL) /* Is the Amplitude input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x - (TOOLSIZE/4), tool->y - (TOOLSIZE/2), /* ...tool pointed to by the Amplitude input. */ tool->input1->x, tool->input1->y + (TOOLSIZE/2)); if (tool->input2 != NULL) /* Is the Frequency input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x + (TOOLSIZE/4), tool->y - (TOOLSIZE/2), /* ...tool pointed to by the Frequency input. */ tool->input2->x, tool->input2->y + (TOOLSIZE/2)); if (tool->input3 != NULL) /* Is the third input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input3. */ tool->input3->x, tool->input3->y + (TOOLSIZE/2)); if (tool->input4 != NULL) /* Is the fourth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input4. */ tool->input4->x, tool->input4->y + (TOOLSIZE/2)); if (tool->input5 != NULL) /* Is the fifth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input5. */ tool->input5->x, tool->input5->y + (TOOLSIZE/2)); if (tool->input6 != NULL) /* Is the sixth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input6. */ tool->input6->x, tool->input6->y + (TOOLSIZE/2)); if (tool->input7 != NULL) /* Is the seventh input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input7. */ tool->input7->x, tool->input7->y + (TOOLSIZE/2)); if (tool->input8 != NULL) /* Is the eighth input being used? */ XDrawLine(dpy,(Drawable)musicWin,gc, /* Yes, draw a connection between this tool and the... */ tool->x, tool->y - (TOOLSIZE/2), /* ...tool pointed to by input8. */ tool->input8->x, tool->input8->y + (TOOLSIZE/2)); } /* end function DrawToolConnection */