void drawFrustrum (void) { float normalizedEyeDistance; XClearArea(dsply,volumeWindow, control->buttonQueue[frustrumBut].buttonX, control->buttonQueue[frustrumBut].buttonY, control->buttonQueue[frustrumBut].buttonWidth+9, control->buttonQueue[frustrumBut].buttonHeight,False); GSetForeground(trashGC,(float)frustrumColor,Xoption); normalizedEyeDistance = (viewData.eyeDistance - minEyeDistance) / (maxEyeDistance - minEyeDistance); normalizedEyeDistance = pow((double)normalizedEyeDistance,0.333333333); frustrumVertex = normalizedEyeDistance * (frustrumMax - frustrumMin) + frustrumMin - 4; GDrawLine(trashGC,volumeWindow, frusX(frustrumX),frusY(frustrumY), frusX(frustrumX),frusY(frustrumY+frustrumLength),Xoption); GDrawLine(trashGC,volumeWindow, frusX(frustrumX),frusY(frustrumY), frusX(frustrumVertex),frusY(frustrumMidY),Xoption); GDrawLine(trashGC,volumeWindow, frusX(frustrumX),frusY(frustrumBotY), frusX(frustrumVertex),frusY(frustrumMidY),Xoption); /* draw controls */ drawHitherControl(); drawEyeControl(); } /* drawFrustrum() */
void drawClipVolume (void) { float xminL,xmaxL,yminL,ymaxL,zminL,zmaxL; XClearArea(dsply,volumeWindow,backFaceX-1,backFaceY, lengthFace+deltaFace+2,lengthFace+deltaFace+1,False); GSetForeground(trashGC,(float)boxInline,Xoption); /*boxOutline=133*/ GSetLineAttributes(trashGC,0,LineSolid,CapButt,JoinMiter,Xoption); /* define corners of volume, clockwise, back to front */ xminL = xClipMinN*lengthFace; xmaxL = xClipMaxN*lengthFace; yminL = yClipMinN*lengthFace; ymaxL = yClipMaxN*lengthFace; zminL = zClipMinN*zLength; zmaxL = (1-zClipMaxN)*zLength; /* percentage upwards from bottom */ flatClipBoxX[0] = backFaceX + xminL + zminL; flatClipBoxY[0] = backFaceY + yminL + zminL; flatClipBoxX[1] = backFaceX + xmaxL + zminL; flatClipBoxY[1] = flatClipBoxY[0]; flatClipBoxX[2] = flatClipBoxX[1]; flatClipBoxY[2] = backFaceY + ymaxL + zminL; flatClipBoxX[3] = flatClipBoxX[0]; flatClipBoxY[3] = flatClipBoxY[2]; flatClipBoxX[4] = frontFaceX + xminL - zmaxL; flatClipBoxY[4] = frontFaceY + yminL - zmaxL; flatClipBoxX[5] = frontFaceX + xmaxL - zmaxL; flatClipBoxY[5] = flatClipBoxY[4]; flatClipBoxX[6] = flatClipBoxX[5]; flatClipBoxY[6] = frontFaceY + ymaxL - zmaxL; flatClipBoxX[7] = flatClipBoxX[4]; flatClipBoxY[7] = flatClipBoxY[6]; /* now draw the volume */ GDrawRectangle(trashGC,volumeWindow, flatClipBoxX[0],flatClipBoxY[0], flatClipBoxX[2]-flatClipBoxX[0], flatClipBoxY[2]-flatClipBoxY[0],Xoption); GDrawLine(trashGC,volumeWindow, flatClipBoxX[0],flatClipBoxY[0],flatClipBoxX[4],flatClipBoxY[4],Xoption); GDrawLine(trashGC,volumeWindow, flatClipBoxX[1],flatClipBoxY[1],flatClipBoxX[5],flatClipBoxY[5],Xoption); GDrawLine(trashGC,volumeWindow, flatClipBoxX[2],flatClipBoxY[2],flatClipBoxX[6],flatClipBoxY[6],Xoption); GDrawLine(trashGC,volumeWindow, flatClipBoxX[3],flatClipBoxY[3],flatClipBoxX[7],flatClipBoxY[7],Xoption); GSetForeground(trashGC,(float)boxOutline,Xoption); GDrawRectangle(trashGC,volumeWindow, flatClipBoxX[4],flatClipBoxY[4], flatClipBoxX[6]-flatClipBoxX[4], flatClipBoxY[6]-flatClipBoxY[4],Xoption); /* make sure volumeGC is set properly before calling these functions */ } /* drawClipVolume() */
void drawHitherControl (void) { float xx,b,slope; int hitherTop, hitherBot; float b0x,b1x; /* draw box indicating minimum and maximum distance of projection */ GSetForeground(trashGC,(float)hitherBoxColor,Xoption); b0x = (pzMin - clipPlaneMin)/(clipPlaneMax-clipPlaneMin); b0x = hitherMaxX - b0x*(hitherMaxX - hitherMinX); /* screen x */ b1x = (pzMax - clipPlaneMin)/(clipPlaneMax-clipPlaneMin); b1x = hitherMaxX - b1x*(hitherMaxX - hitherMinX); /* screen x */ GDraw3DButtonOut(trashGC,volumeWindow, (int)(b0x),frusY(hitherBoxTop), (int)fabs(b1x-b0x),hitherBoxHeight,Xoption); /* draw the hither plane */ GSetForeground(trashGC,(float)hitherColor,Xoption); /* percentage x */ xx = ((viewData.clipPlane-clipPlaneMin)/(clipPlaneMax-clipPlaneMin)); xx = hitherMaxX - xx*(hitherMaxX - hitherMinX); /* screen x */ slope = ((float)frustrumY - frustrumMidY)/(frustrumX - frustrumVertex); b = ((float)frustrumX*frustrumMidY - frustrumVertex*frustrumY) / (frustrumX - frustrumVertex); hitherTop = slope * xx + b + 0.5; slope = (float)(frustrumBotY - frustrumMidY)/(frustrumX - frustrumVertex); b = ((float)frustrumX*frustrumMidY - frustrumVertex*frustrumBotY) / (frustrumX - frustrumVertex); hitherBot = slope * xx + b + 0.5; GDrawLine(trashGC,volumeWindow, frusX((int)xx),frusY(hitherTop), frusX((int)xx),frusY(hitherBot),Xoption); /* draw hither control box and bar */ GDraw3DButtonOut(trashGC,volumeWindow, frusX(hitherWinX),frusY(hitherWinY+5), hitherWidth,hitherHeight,Xoption); GDrawLine(trashGC,volumeWindow, frusX(hitherMinX),frusY(hitherBarY+5), frusX(hitherMaxX),frusY(hitherBarY+5),Xoption); /* draw hither plane I/O pointer arrow */ GDrawLine(trashGC,volumeWindow, frusX((int)xx),frusY(hitherBarY+2), frusX((int)xx),frusY(hitherBarY+8),Xoption); /* print string label */ GSetForeground(volumeGC,(float)hitherColor,Xoption); GDrawString(volumeGC,volumeWindow,hitherMessX,hitherMessY,"Hither",6,Xoption); }
void drawClipZBut (void) { XClearArea(dsply,volumeWindow,clipZButX,clipZButY, midAxis+blank,midAxis+blank,False); GSetForeground(trashGC,(float)monoColor(toggleColor),Xoption); GDrawLine(trashGC,volumeWindow,clipZButTopEndX,clipZButTopEndY, clipZButBotEndX,clipZButBotEndY,Xoption); GDrawLine(trashGC,volumeWindow,clipZButTopEndX-4,clipZButTopEndY, clipZButTopEndX,clipZButTopEndY,Xoption); GDrawLine(trashGC,volumeWindow,clipZButTopEndX,clipZButTopEndY-4, clipZButTopEndX,clipZButTopEndY,Xoption); GDrawLine(trashGC,volumeWindow,clipZButBotEndX+4,clipZButBotEndY, clipZButBotEndX,clipZButBotEndY,Xoption); GDrawLine(trashGC,volumeWindow,clipZButBotEndX,clipZButBotEndY+4, clipZButBotEndX,clipZButBotEndY,Xoption); GSetForeground(trashGC,(float)monoColor(arcColor),Xoption); GFillArc(trashGC,volumeWindow, (int)(zClipMinN * midAxis * zFactor + clipZButTopEndX - 3), (int)(zClipMinN * midAxis * zFactor + clipZButTopEndY + 3), arcSize,arcSize,45*64,360*64,Xoption); /* 64 units per degree */ GFillArc(trashGC,volumeWindow, (int)(zClipMaxN * midAxis * zFactor + clipZButTopEndX + 3), (int)(zClipMaxN * midAxis * zFactor + clipZButTopEndY - 5), arcSize,arcSize,45*64,360*64,Xoption); /* 64 units per degree */ GSetForeground(volumeGC,(float)monoColor(toggleColor),Xoption); GDrawString(volumeGC,volumeWindow,clipZMessX,clipZMessY,"Z",1,Xoption); }
void drawEyeControl (void) { float here; int there; GSetForeground(trashGC,(float)eyeColor,Xoption); /* draw the eyeDistance box & slide bar */ GDraw3DButtonOut(trashGC,volumeWindow, frusX(eyeWinX),frusY(eyeWinY+5),eyeWidth,eyeHeight,Xoption); GDrawLine(trashGC,volumeWindow, frusX(eyeMinX),frusY(eyeBarY+5),frusX(eyeMaxX),frusY(eyeBarY+5),Xoption); here = (viewData.eyeDistance - minEyeDistance) / (maxEyeDistance - minEyeDistance); here = pow((double)here,0.333333); there = here * (eyeMaxX - eyeMinX) + eyeMinX; /* screen x */ GDrawLine(trashGC,volumeWindow, frusX(there),frusY(eyeBarY+2),frusX(there),frusY(eyeBarY+8),Xoption); /* draw the eye */ GSetLineAttributes(trashGC,2,LineSolid,CapButt,JoinMiter,Xoption); GSetForeground(trashGC,(float)monoColor(52),Xoption); GDrawLine(trashGC,volumeWindow, frusX(there),frusY(frustrumMidY-5), frusX(there+8),frusY(frustrumMidY),Xoption); GDrawLine(trashGC,volumeWindow, frusX(there+2),frusY(frustrumMidY+4), frusX(there+8),frusY(frustrumMidY-1),Xoption); GSetForeground(trashGC,(float)frustrumColor,Xoption); GDrawLine(trashGC,volumeWindow, frusX(there+4),frusY(frustrumMidY-3), frusX(there+2),frusY(frustrumMidY),Xoption); GDrawLine(trashGC,volumeWindow, frusX(there+4),frusY(frustrumMidY+2), frusX(there+3),frusY(frustrumMidY),Xoption); GSetLineAttributes(trashGC,0,LineSolid,CapButt,JoinMiter,Xoption); /* draw string label */ GSetForeground(volumeGC,(float)eyeColor,Xoption); GDrawString(volumeGC,volumeWindow,eyeDistMessX,eyeDistMessY, "Eye Distance",strlen("eye distance"),Xoption); }
void drawLightingPanel(void) { char *s; int i,strlength; /* Draw border lines to separate the lighting window, potentiometers, and button regions of the lightng subpanel. */ GSetForeground(trashGC,(float)foregroundColor,Xoption); GSetLineAttributes(trashGC,3,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, lightingWindow, 0, potA, controlWidth, potA, Xoption); GSetLineAttributes(trashGC,2,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, lightingWindow, 0, lightB, controlWidth, lightB, Xoption); GDrawLine(trashGC, lightingWindow, 0, lightPotA, controlWidth, lightPotA, Xoption); GDrawLine(trashGC, lightingWindow, 0, lightPotB, controlWidth, lightPotB, Xoption); GDrawLine(trashGC, lightingWindow, lightTransL, lightPotA, lightTransL, lightPotB, Xoption); writeControlTitle(lightingWindow); s = "Lighting Control Panel"; strlength = strlen(s); GSetForeground(anotherGC,(float)lightingTitleColor,Xoption); GDrawString(anotherGC, lightingWindow, centerX(anotherGC, s, strlength, controlWidth), lightB+18, s, strlength, Xoption); for (i=lightingButtonsStart; i<(lightingButtonsEnd); i++) { switch (i) { case lightMove: GSetForeground(lightingGC,(float)lightingButtonColor,Xoption); GDraw3DButtonOut(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); GSetForeground(lightingGC,(float)monoColor(buttonColor),Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY + 2*(control->buttonQueue[i]).yHalf,Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf, (control->buttonQueue[i]).buttonX + 2*(control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf,Xoption); break; case lightMoveXY: GSetForeground(lightingGC,(float)lightingButtonColor,Xoption); GDraw3DButtonOut(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); GSetForeground(lightingGC,(float)monoColor(buttonColor),Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY + 2*(control->buttonQueue[i]).yHalf,Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf, (control->buttonQueue[i]).buttonX + 2*(control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf,Xoption); break; case lightMoveZ: GSetForeground(lightingGC,(float)lightingButtonColor,Xoption); GDraw3DButtonOut(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); GSetForeground(lightingGC,(float)monoColor(buttonColor),Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf, (control->buttonQueue[i]).buttonY + 2*(control->buttonQueue[i]).yHalf,Xoption); GDrawLine(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf - (control->buttonQueue[i]).xHalf/2, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).xHalf + (control->buttonQueue[i]).xHalf/2, (control->buttonQueue[i]).buttonY + (control->buttonQueue[i]).yHalf,Xoption); break; case lightTranslucent: drawLightTransArrow(); break; default: GDraw3DButtonOut(lightingGC,lightingWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); s = (control->buttonQueue[i]).text; strlength = strlen(s); GSetForeground(trashGC, (float)monoColor((control->buttonQueue[i]).textColor),Xoption); GDrawString(trashGC, lightingWindow, (control->buttonQueue[i]).buttonX + centerX(processGC,s,strlength, (control->buttonQueue[i]).buttonWidth), (control->buttonQueue[i]).buttonY + centerY(processGC,(control->buttonQueue[i]).buttonHeight), s,strlen(s),Xoption); } /* switch */ } /* for i in control->buttonQueue */ GSetForeground(lightingGC,(float)monoColor(labelColor),Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightMoveXY].buttonX + control->buttonQueue[lightMoveXY].buttonWidth + 3, control->buttonQueue[lightMoveXY].buttonY + control->buttonQueue[lightMoveXY].yHalf, "x",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightMoveXY].buttonX + control->buttonQueue[lightMoveXY].xHalf - 2, control->buttonQueue[lightMoveXY].buttonY - 4, "y",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightMoveZ].buttonX + control->buttonQueue[lightMoveZ].xHalf - 2, control->buttonQueue[lightMoveZ].buttonY - 4, "z",1,Xoption); /** Draw the title for the intensity potentiometer. */ GSetForeground(lightingGC,(float)lightingTransColor,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY, "I",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight, "n",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*2, "t",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*3, "e",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*4, "n",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*5, "s",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*6, "i",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*7, "t",1,Xoption); GDrawString(lightingGC,lightingWindow, control->buttonQueue[lightTranslucent].buttonX + control->buttonQueue[lightTranslucent].buttonWidth + 3, control->buttonQueue[lightTranslucent].buttonY + lightFontHeight*8, "y",1,Xoption); drawLightingAxes(); drawLightTransArrow(); } /* drawLightingPanel */
void drawLightTransArrow(void) { int i; float f; /*** Draw the intensity potentiometer window. ***/ XClearArea(dsply,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX, (control->buttonQueue[lightTranslucent]).buttonY-5, (control->buttonQueue[lightTranslucent]).buttonWidth, (control->buttonQueue[lightTranslucent]).buttonHeight+10, False); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX, (control->buttonQueue[lightTranslucent]).buttonY, (control->buttonQueue[lightTranslucent]).buttonX, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).buttonHeight,Xoption); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX + 1, (control->buttonQueue[lightTranslucent]).buttonY, (control->buttonQueue[lightTranslucent]).buttonX + (control->buttonQueue[lightTranslucent]).buttonWidth * 3/10, (control->buttonQueue[lightTranslucent]).buttonY,Xoption); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX + 1, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).yHalf/2, (control->buttonQueue[lightTranslucent]).buttonX + (control->buttonQueue[lightTranslucent]).buttonWidth * 2/10, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).yHalf/2,Xoption); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX + 1, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).yHalf, (control->buttonQueue[lightTranslucent]).buttonX + (control->buttonQueue[lightTranslucent]).buttonWidth * 3/10, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).yHalf,Xoption); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX + 1, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).buttonHeight*3/4, (control->buttonQueue[lightTranslucent]).buttonX + (control->buttonQueue[lightTranslucent]).buttonWidth * 2/10, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).buttonHeight*3/4,Xoption); GDrawLine(controlMessageGC,lightingWindow, (control->buttonQueue[lightTranslucent]).buttonX + 1, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).buttonHeight, (control->buttonQueue[lightTranslucent]).buttonX + (control->buttonQueue[lightTranslucent]).buttonWidth * 3/10, (control->buttonQueue[lightTranslucent]).buttonY + (control->buttonQueue[lightTranslucent]).buttonHeight,Xoption); /*** Draw the intensity selection arrow ***/ GSetForeground(lightingGC,(float)lightingTransArrowColor,Xoption); f = (control->buttonQueue[lightTranslucent].buttonY + control->buttonQueue[lightTranslucent].buttonHeight) - (tempLightIntensity * control->buttonQueue[lightTranslucent].buttonHeight); i = f; GDrawLine(lightingGC, lightingWindow, arrowHead + 10, i, arrowHead + 22, i + 2, Xoption); GDrawLine(lightingGC, lightingWindow, arrowHead + 22, i + 2, arrowHead + 22, i - 2, Xoption); GDrawLine(lightingGC, lightingWindow, arrowHead + 22, i - 2, arrowHead + 10, i, Xoption); } /* drawLightTransArrow() */
void drawLightingAxes(void) { XWindowAttributes laInfo; int i,xCenter,yCenter; float Px0,Py0; int vPx0,vPy0,vPx1,vPy1; viewTriple pointX,pointY,pointXY,pointXYZ; XGetWindowAttributes(dsply,lightingAxes,&laInfo); XClearWindow(dsply,lightingAxes); xCenter = laInfo.width / 2; yCenter = laInfo.height / 2; sinTheta = sin(-viewport->theta); cosTheta = cos(-viewport->theta); sinPhi = sin(viewport->phi); cosPhi = cos(viewport->phi); GSetForeground(lightingGC,(float)monoColor(buttonColor),Xoption); for (i=0; i < 3; i++) { Px0 = proj2PX(axes[i][0],axes[i][1]); Py0 = proj2PY(axes[i][0],axes[i][1],axes[i][2]); vPx0 = Px0 * lightScale + xCenter; vPy0 = laInfo.height - (Py0 * lightScale + yCenter); Px0 = proj2PX(axes[i][3],axes[i][4]); Py0 = proj2PY(axes[i][3],axes[i][4],axes[i][5]); vPx1 = Px0 * lightScale + xCenter; vPy1 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); } GSetForeground(lightingGC,(float)lightingLabelColor,Xoption); for (i=0; i < basicScreen; i++) { Px0 = proj2PX(labels[i][0],labels[i][1]); Py0 = proj2PY(labels[i][0],labels[i][1],labels[i][2]); vPx0 = Px0 * lightScale + xCenter; vPy0 = laInfo.height - (Py0 * lightScale + yCenter); Px0 = proj2PX(labels[i][3],labels[i][4]); Py0 = proj2PY(labels[i][3],labels[i][4],labels[i][5]); vPx1 = Px0 * lightScale + xCenter; vPy1 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); } GSetForeground(lightingGC,(float)lightingBoxColor,Xoption); pointX.x = tempLightPointer[0] * lightAxesScale; pointX.y = 0; pointX.z = 0; pointY.x = 0; pointY.y = tempLightPointer[1] * lightAxesScale; pointY.z = 0; pointXY.x = tempLightPointer[0] * lightAxesScale; pointXY.y = tempLightPointer[1] * lightAxesScale; pointXY.z = 0; pointXYZ.x = tempLightPointer[0] * lightAxesScale; pointXYZ.y = tempLightPointer[1] * lightAxesScale; pointXYZ.z = tempLightPointer[2] * lightAxesScale; Px0 = proj2PX(pointXY.x,pointXY.y); Py0 = proj2PY(pointXY.x,pointXY.y,pointXY.z); vPx0 = Px0 * lightScale + xCenter; vPy0 = laInfo.height - (Py0 * lightScale + yCenter); Px0 = proj2PX(pointX.x,pointX.y); Py0 = proj2PY(pointX.x,pointX.y,pointX.z); vPx1 = Px0 * lightScale + xCenter; vPy1 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); Px0 = proj2PX(pointY.x,pointY.y); Py0 = proj2PY(pointY.x,pointY.y,pointY.z); vPx1 = Px0 * lightScale + xCenter; vPy1 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); Px0 = proj2PX(pointXYZ.x,pointXYZ.y); Py0 = proj2PY(pointXYZ.x,pointXYZ.y,pointXYZ.z); vPx1 = Px0 * lightScale + xCenter; vPy1 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); GSetForeground(lightingGC,(float)lightingLightColor,Xoption); Px0 = proj2PX(point0.x,point0.y); Py0 = proj2PY(point0.x,point0.y,point0.z); vPx0 = Px0 * lightScale + xCenter; vPy0 = laInfo.height - (Py0 * lightScale + yCenter); GDrawLine(lightingGC,lightingAxes,vPx0,vPy0,vPx1,vPy1,Xoption); } /* drawLightingAxes */
void drawVolumePanel (void) { int i,strlength; /* Draw some lines for volume panel. */ GSetForeground(trashGC,(float)foregroundColor,Xoption); GSetLineAttributes(trashGC,3,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, volumeWindow, 0, potA, controlWidth, potA, Xoption); GSetLineAttributes(trashGC,2,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, volumeWindow, 0, volumeTitleA, controlWidth, volumeTitleA, Xoption); GDrawLine(trashGC, volumeWindow, 0, volumeTitleB, controlWidth, volumeTitleB, Xoption); writeControlTitle(volumeWindow); s = "Viewing Volume Panel"; strlength = strlen(s); GSetForeground(anotherGC,(float)volumeTitleColor,Xoption); GDrawString(anotherGC,volumeWindow, centerX(anotherGC,s,strlength,controlWidth), volumeTitleA+18,s,strlength,Xoption); GSetForeground(anotherGC,(float)monoColor(toggleColor),Xoption); GDrawString(anotherGC,volumeWindow, control->buttonQueue[perspectiveBut].buttonX + 4, control->buttonQueue[perspectiveBut].buttonY - 17, "Settings", 8, Xoption); GSetForeground(trashGC,(float)monoColor(toggleColor),Xoption); GDraw3DButtonOut(trashGC,volumeWindow, control->buttonQueue[perspectiveBut].buttonX - 7, control->buttonQueue[perspectiveBut].buttonY - 36, 100,100,Xoption); for (i=0; i<strlen(clipMess); i++) GDrawString(trashGC,volumeWindow,clipMessX,clipMessY + i*clipMessDy, &(clipMess[i]),1,Xoption); for (i=0; i<strlen(eyeMess1); i++) GDrawString(trashGC,volumeWindow,eyeMess1X,eyeMess1Y + i*eyeMess1Dy, &(eyeMess1[i]),1,Xoption); for (i=0; i<strlen(eyeMess2); i++) GDrawString(trashGC,volumeWindow,eyeMess2X,eyeMess2Y + i*eyeMess2Dy, &(eyeMess2[i]),1,Xoption); GSetLineAttributes(trashGC,0,LineSolid,CapButt,JoinMiter,Xoption); GSetForeground(trashGC,(float)volumeButtonColor,Xoption); for (i=volumeButtonsStart; i<(volumeButtonsEnd); i++) { GSetForeground(trashGC, (float)monoColor((control->buttonQueue[i]).textColor),Xoption); switch (i) { case perspectiveBut: case clipRegionBut: case clipSurfaceBut: GSetForeground(volumeGC,(float)monoColor(toggleColor),Xoption); GDraw3DButtonOut(volumeGC,volumeWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); GSetForeground(volumeGC, (float)monoColor((control->buttonQueue[i]).textColor),Xoption); GDrawString(volumeGC,volumeWindow, (control->buttonQueue[i]).buttonX + (control->buttonQueue[i]).buttonWidth + 4, (control->buttonQueue[i]).buttonY + centerY(volumeGC,(control->buttonQueue[i]).buttonHeight), (control->buttonQueue[i]).text, strlen(control->buttonQueue[i].text),Xoption); if (i==perspectiveBut && viewData.perspective) GDrawString(volumeGC,volumeWindow, (control->buttonQueue[i]).buttonX + centerX(volumeGC,"x",1, (control->buttonQueue[i]).buttonWidth), (control->buttonQueue[i]).buttonY + centerY(volumeGC,(control->buttonQueue[i]).buttonHeight), "x",1,Xoption); else if (i==clipRegionBut && viewData.clipbox) GDrawString(volumeGC,volumeWindow, (control->buttonQueue[i]).buttonX + centerX(volumeGC,"x",1, (control->buttonQueue[i]).buttonWidth), (control->buttonQueue[i]).buttonY + centerY(volumeGC,(control->buttonQueue[i]).buttonHeight), "x",1,Xoption); else if (i==clipSurfaceBut && viewData.clipStuff) GDrawString(volumeGC,volumeWindow, (control->buttonQueue[i]).buttonX + centerX(volumeGC,"x",1, (control->buttonQueue[i]).buttonWidth), (control->buttonQueue[i]).buttonY + centerY(volumeGC,(control->buttonQueue[i]).buttonHeight), "x",1,Xoption); break; case clipXBut: drawClipXBut(); break; case clipYBut: drawClipYBut(); break; case clipZBut: drawClipZBut(); break; case frustrumBut: break; default: GDraw3DButtonOut(trashGC,volumeWindow, (control->buttonQueue[i]).buttonX, (control->buttonQueue[i]).buttonY, (control->buttonQueue[i]).buttonWidth, (control->buttonQueue[i]).buttonHeight,Xoption); s = (control->buttonQueue[i]).text; strlength = strlen(s); GSetForeground(trashGC, (float)monoColor((control->buttonQueue[i]).textColor),Xoption); GDrawString(trashGC,volumeWindow, (control->buttonQueue[i]).buttonX + centerX(processGC,s,strlength, (control->buttonQueue[i]).buttonWidth), (control->buttonQueue[i]).buttonY + centerY(processGC,(control->buttonQueue[i]).buttonHeight), s,strlen(s),Xoption); } /* switch */ } /* for i in volumeButtons */ drawFrustrum(); drawClipVolume(); /*** put in header ***/ drawClipXBut(); drawClipYBut(); drawClipZBut(); } /* drawVolumePanel() */
void drawClipYBut (void) { XClearArea(dsply,volumeWindow,clipYButX,clipYButY, minorAxis+blank,majorAxis+blank,False); GSetForeground(trashGC,(float)monoColor(toggleColor),Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY + (control->buttonQueue[clipYBut]).buttonHeight,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf-3, (control->buttonQueue[clipYBut]).buttonY-3, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf+3, (control->buttonQueue[clipYBut]).buttonY-3, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf-3, (control->buttonQueue[clipYBut]).buttonY + (control->buttonQueue[clipYBut]).buttonHeight+3, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY + (control->buttonQueue[clipYBut]).buttonHeight,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf+3, (control->buttonQueue[clipYBut]).buttonY + (control->buttonQueue[clipYBut]).buttonHeight+3, (control->buttonQueue[clipYBut]).buttonX + (control->buttonQueue[clipYBut]).xHalf, (control->buttonQueue[clipYBut]).buttonY + (control->buttonQueue[clipYBut]).buttonHeight,Xoption); GSetForeground(trashGC,(float)monoColor(arcColor),Xoption); /* note: minimum buttons closer to the box */ GFillArc(trashGC,volumeWindow, (int)(clipYButX + minorAxis/2 - 8), (int)(yClipMinN * (majorAxis-tinyArc) + clipYButY), arcSize,arcSize,90*64,360*64,Xoption); /* 64 units per degree */ GFillArc(trashGC,volumeWindow, (int)(clipYButX + minorAxis/2 + 3), (int)(yClipMaxN * (majorAxis-tinyArc) + clipYButY), arcSize,arcSize,90*64,360*64,Xoption); /* 64 units per degree */ GSetForeground(volumeGC,(float)monoColor(toggleColor),Xoption); GDrawString(volumeGC,volumeWindow,clipYMessX,clipYMessY,"Y",1,Xoption); }
void drawClipXBut (void) { XClearArea(dsply,volumeWindow,clipXButX,clipXButY, majorAxis+blank,minorAxis+blank,False); GSetForeground(trashGC,(float)monoColor(toggleColor),Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipXBut]).buttonX, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf, (control->buttonQueue[clipXBut]).buttonX + (control->buttonQueue[clipXBut]).buttonWidth, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipXBut]).buttonX-3, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf-3, (control->buttonQueue[clipXBut]).buttonX, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipXBut]).buttonX-3, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf+3, (control->buttonQueue[clipXBut]).buttonX, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipXBut]).buttonX + (control->buttonQueue[clipXBut]).buttonWidth+3, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf-3, (control->buttonQueue[clipXBut]).buttonX + (control->buttonQueue[clipXBut]).buttonWidth, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf,Xoption); GDrawLine(trashGC,volumeWindow, (control->buttonQueue[clipXBut]).buttonX + (control->buttonQueue[clipXBut]).buttonWidth+3, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf+3, (control->buttonQueue[clipXBut]).buttonX + (control->buttonQueue[clipXBut]).buttonWidth, (control->buttonQueue[clipXBut]).buttonY + (control->buttonQueue[clipXBut]).yHalf,Xoption); GSetForeground(trashGC,(float)monoColor(arcColor),Xoption); GFillArc(trashGC,volumeWindow, (int)(xClipMinN * (majorAxis-tinyArc) + clipXButX), /* x value */ (int)(clipXButY + minorAxis/2 + 1), /* y value */ arcSize,arcSize,0,360*64,Xoption); /* 64 units per degree */ GFillArc(trashGC,volumeWindow, (int)(xClipMaxN * (majorAxis-tinyArc) + clipXButX), /* x value */ (int)(clipXButY + minorAxis/2 - 7), /* y value */ arcSize,arcSize,0,360*64,Xoption); /* 64 units per degree */ GSetForeground(volumeGC,(float)monoColor(toggleColor),Xoption); GDrawString(volumeGC,volumeWindow,clipXMessX,clipXMessY,"X",1,Xoption); }
void drawControlPanel(void) { controlPanelStruct *cp; int i,strlength; char *s; cp = viewport->controlPanel; /* Draw border lines to separate the potentiometer, message, graph select and button regions of the control panel. */ GSetForeground(trashGC,(float)foregroundColor,Xoption); GSetLineAttributes(trashGC,3,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, cp->controlWindow, 0, potA, controlWidth, potA, Xoption); GSetLineAttributes(trashGC,2,LineSolid,CapButt,JoinMiter,Xoption); GDrawLine(trashGC, cp->controlWindow, 0, potB, controlWidth, potB, Xoption); GDrawLine(trashGC, cp->controlWindow, 0, messageBot, controlWidth, messageBot, Xoption); GDrawLine(trashGC, cp->controlWindow, 0, 286, controlWidth, 286, Xoption); /** put the line width as 1 last because used below as well **/ GSetLineAttributes(trashGC,1,LineSolid,CapButt,JoinMiter,Xoption); GDrawRectangle(trashGC,cp->controlWindow,closeLeft,closeTop, (controlWidth-closeLeft+8),(controlHeight-closeTop+8),Xoption); /* Write potentiometer titles on the control panel. */ writeControlTitle(); GSetForeground(globGC,(float)controlPotHeaderColor,Xoption); s = "Scale"; strlength = strlen(s); GDrawString(globGC,cp->controlWindow, centerX(globGC,s,strlength, cp->buttonQueue[scale2D].buttonWidth) + cp->buttonQueue[scale2D].buttonX, 31+headerHeight,s,strlength,Xoption); s = "Translate"; strlength = strlen(s); GDrawString(globGC,cp->controlWindow, centerX(globGC,s,strlength, cp->buttonQueue[translate2D].buttonWidth) + cp->buttonQueue[translate2D].buttonX, 31+headerHeight,s,strlen(s),Xoption); GSetForeground(globGC,(float)controlColorColor,Xoption); /* Write title of the graph selection window. */ s = "Graphs"; strlength = strlen(s); GDrawString(globGC,cp->controlWindow, centerX(globGC,s,strlength,controlWidth),graphHeaderHeight, s,strlength,Xoption); /* Write titles on regular buttons and draw pixmaps on potentiometers. */ for (i=0; i<(maxButtons2D); i++) { if ((cp->buttonQueue[i]).pot) { GSetForeground(globalGC1,(float)buttonColor,Xoption); GDrawRectangle(globalGC1,cp->controlWindow, (cp->buttonQueue[i]).buttonX, (cp->buttonQueue[i]).buttonY, (cp->buttonQueue[i]).buttonWidth, (cp->buttonQueue[i]).buttonHeight,Xoption); GSetForeground(trashGC, (float)monoColor((cp->buttonQueue[i]).textColor),Xoption); GDrawLine(globalGC1,cp->controlWindow, /* trashGC, */ (cp->buttonQueue[i]).buttonX + (cp->buttonQueue[i]).xHalf, (cp->buttonQueue[i]).buttonY, (cp->buttonQueue[i]).buttonX + (cp->buttonQueue[i]).xHalf, (cp->buttonQueue[i]).buttonY + 2*(cp->buttonQueue[i]).yHalf,Xoption); GDrawLine(globalGC1,cp->controlWindow, /* trashGC, */ (cp->buttonQueue[i]).buttonX, (cp->buttonQueue[i]).buttonY + (cp->buttonQueue[i]).yHalf, (cp->buttonQueue[i]).buttonX + 2*(cp->buttonQueue[i]).xHalf, (cp->buttonQueue[i]).buttonY + (cp->buttonQueue[i]).yHalf,Xoption); switch (i) { case scale2D: GDrawLines(trashGC,cp->controlWindow,scaleArrow, scaleArrowN,CoordModeOrigin,Xoption); break; case translate2D: GDrawLines(trashGC,cp->controlWindow,translateArrow, translateArrowN,CoordModeOrigin,Xoption); break; } /* switch i */ } else if (cp->buttonQueue[i].graphNum) { if (mono) { if (graphStateArray[i-graphStart].showing) { GSetForeground(graphGC,(float)backgroundColor,Xoption); GSetBackground(graphGC,(float)foregroundColor,Xoption); } else { GSetForeground(graphGC,(float)foregroundColor,Xoption); GSetBackground(graphGC,(float)backgroundColor,Xoption); } strlength = strlen((cp->buttonQueue[i]).text); GDrawImageString(graphGC,cp->controlWindow, (cp->buttonQueue[i]).buttonX + centerX(graphGC,cp->buttonQueue[i].text, strlength,(cp->buttonQueue[i]).buttonWidth), (cp->buttonQueue[i]).buttonY + centerY(graphGC,(cp->buttonQueue[i]).buttonHeight), cp->buttonQueue[i].text,strlength,Xoption); } else { if (graphStateArray[i-graphStart].showing) GSetForeground(graphGC,(float)graphBarShowingColor,Xoption); else GSetForeground(graphGC,(float)graphBarHiddenColor,Xoption); strlength = strlen((cp->buttonQueue[i]).text); GDrawString(graphGC,cp->controlWindow, (cp->buttonQueue[i]).buttonX + centerX(graphGC,cp->buttonQueue[i].text, strlength,(cp->buttonQueue[i]).buttonWidth), (cp->buttonQueue[i]).buttonY + centerY(graphGC,(cp->buttonQueue[i]).buttonHeight), cp->buttonQueue[i].text,strlength,Xoption); } } else if (cp->buttonQueue[i].graphSelect) { /* The select characters are defined as: "^" for on and "-" for off. */ if (graphStateArray[i-graphSelectStart].selected) { GSetForeground(graphGC,(float)graphBarSelectColor,Xoption); strcpy((cp->buttonQueue[i]).text,"^"); } else { GSetForeground(graphGC,(float)graphBarNotSelectColor,Xoption); *(cp->buttonQueue[i]).text = '-'; strcpy((cp->buttonQueue[i]).text,"-"); } GDrawString(graphGC,cp->controlWindow, (cp->buttonQueue[i]).buttonX + centerX(graphGC,cp->buttonQueue[i].text, strlength,(cp->buttonQueue[i]).buttonWidth), (cp->buttonQueue[i]).buttonY + centerY(graphGC,(cp->buttonQueue[i]).buttonHeight), cp->buttonQueue[i].text,strlength,Xoption); } else { /* a regular button */ int isOn = 1; switch(i) { case pointsOnOff: isOn = pointsON = graphStateArray[0].pointsOn; if (graphStateArray[0].pointsOn) strcpy((cp->buttonQueue[i]).text,"Pts On "); else strcpy((cp->buttonQueue[i]).text,"Pts Off"); break; case spline2D: isOn = splineON = graphStateArray[0].splineOn; if (graphStateArray[0].splineOn) strcpy((cp->buttonQueue[i]).text, "Box On "); else strcpy((cp->buttonQueue[i]).text, "Box Off"); break; case connectOnOff: isOn = connectON = graphStateArray[0].connectOn; if (graphStateArray[0].connectOn) strcpy((cp->buttonQueue[i]).text, "Lines On "); else strcpy((cp->buttonQueue[i]).text, "Lines Off"); break; case axesOnOff2D: isOn = axesON = graphStateArray[0].axesOn; if (graphStateArray[0].axesOn) strcpy((cp->buttonQueue[i]).text , "Axes On "); else strcpy((cp->buttonQueue[i]).text , "Axes Off"); break; case unitsOnOff2D: isOn = unitsON = graphStateArray[0].unitsOn; if (graphStateArray[0].unitsOn) strcpy( (cp->buttonQueue[i]).text , "Units On "); else strcpy( (cp->buttonQueue[i]).text , "Units Off"); break; case closeAll2D: isOn = 0; default: break; } /* switch i */ s = (cp->buttonQueue[i]).text; strlength = strlen(s); GDrawPushButton(dsply, globalGC1, trashGC, processGC, cp->controlWindow, (cp->buttonQueue[i]).buttonX, (cp->buttonQueue[i]).buttonY, (cp->buttonQueue[i]).buttonWidth, (cp->buttonQueue[i]).buttonHeight, isOn, s,buttonColor, monoColor((cp->buttonQueue[i]).textColor), Xoption); } /* else a regular button */ } /* for each button */ /* Refresh the latest message */ makeMessageFromData(0); writeControlMessage(); XFlush(dsply); } /*** drawControlPanel ***/