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Diffstat (limited to 'src/graph/view3D/volume3d.c')
| -rw-r--r-- | src/graph/view3D/volume3d.c | 879 |
1 files changed, 879 insertions, 0 deletions
diff --git a/src/graph/view3D/volume3d.c b/src/graph/view3D/volume3d.c new file mode 100644 index 00000000..aab93491 --- /dev/null +++ b/src/graph/view3D/volume3d.c @@ -0,0 +1,879 @@ +/* + Copyright (C) 1991-2002, The Numerical ALgorithms Group Ltd. + All rights reserved. + Copyright (C) 2007-2008, Gabriel Dos Reis. + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + - Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + - Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + - Neither the name of The Numerical ALgorithms Group Ltd. nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#define _VOLUME3D_C +#include "axiom-c-macros.h" + +#include <math.h> +#include <string.h> + +#include "header.h" +#include "cpanel.h" +#include "process.h" +#include "volume.h" +#include "../include/purty/volume.bitmap" +#include "../include/purty/volume.mask" + + + +#include "XSpadFill.H1" +#include "Gfun.H1" +#include "all_3d.H1" + +#define eyeDistMessX (frusX(eyeWinX+27)) +#define eyeDistMessY (frusY(eyeWinY-5)) +#define hitherMessX (frusX(hitherWinX+15)) +#define hitherMessY (frusY(hitherWinY)) + +#define clipXMessX (control->buttonQueue[clipXBut].buttonX + \ + control->buttonQueue[clipXBut].xHalf) +#define clipXMessY (control->buttonQueue[clipXBut].buttonY + 2) +#define clipYMessX (control->buttonQueue[clipYBut].buttonX + \ + control->buttonQueue[clipYBut].buttonWidth-2) +#define clipYMessY (control->buttonQueue[clipYBut].buttonY + \ + control->buttonQueue[clipYBut].yHalf) +#define clipZMessX (control->buttonQueue[clipZBut].buttonX + \ + control->buttonQueue[clipZBut].xHalf+4) +#define clipZMessY (control->buttonQueue[clipZBut].buttonY + \ + control->buttonQueue[clipZBut].yHalf-4) + +#define volumeCursorForeground monoColor(68) +#define volumeCursorBackground monoColor(197) + +#define hitherBoxColor monoColor(141) +#define hitherBoxTop (frustrumMidY - 10) +#define hitherBoxHeight 20 + +#define clipButtonColor 144 +#define toggleColor 42 +#define arcColor 75 + +#define arcSize 6 +#define tinyArc 5 +#define blank 4 +#define toggleX 190 +#define toggleY 280 + +#define oldWay + +#define frusX(x) (control->buttonQueue[frustrumBut].buttonX + x) +#define frusY(y) (control->buttonQueue[frustrumBut].buttonY + y) + +#define clipMessX 7 +#define clipMessY (control->buttonQueue[clipXBut].buttonY + 15) + /* someotherFont holds title font (see main.c) */ +#define clipMessDy (globalFont->max_bounds.ascent/2 + \ + globalFont->max_bounds.descent) +static char *clipMess = "Clip Volume"; + +#define eyeMess1Dy clipMessDy +#define eyeMess1X 7 +#define eyeMess1Y (frustrumY + 40 + 3*eyeMess1Dy) +static char *eyeMess1 = "Eye"; + +#define eyeMess2X (globalFont->max_bounds.width + 14) +#define eyeMess2Y (frustrumY + 40) +#define eyeMess2Dy eyeMess1Dy +static char *eyeMess2 = "Reference"; + + + /* global stuff */ +int flatClipBoxX[8], flatClipBoxY[8]; + + + + +/******************* volume buttons **********************/ + +int +#ifdef _NO_PROTO +initVolumeButtons (volumeButtons) + buttonStruct *volumeButtons; +#else +initVolumeButtons (buttonStruct *volumeButtons) +#endif +{ + int ii, num = 0; + + ii = volumeReturn; + volumeButtons[ii].buttonX = 154; + volumeButtons[ii].buttonY = 370; + volumeButtons[ii].buttonWidth = 110; + volumeButtons[ii].buttonHeight = 24; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = no; + volumeButtons[ii].mask = buttonMASK; + volumeButtons[ii].text = "Return"; + volumeButtons[ii].textColor = 52; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = volumeAbort; + volumeButtons[ii].buttonX = 36; + volumeButtons[ii].buttonY = 370; + volumeButtons[ii].buttonWidth = 110; + volumeButtons[ii].buttonHeight = 24; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = no; + volumeButtons[ii].mask = buttonMASK; + volumeButtons[ii].text = "Abort"; + volumeButtons[ii].textColor = 28; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = frustrumBut; + volumeButtons[ii].buttonX = frustrumWindowX; + volumeButtons[ii].buttonY = frustrumWindowY; + volumeButtons[ii].buttonWidth = frustrumWindowWidth; + volumeButtons[ii].buttonHeight = frustrumWindowHeight; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = yes; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Frustrum Window"; + volumeButtons[ii].textColor = frustrumColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = perspectiveBut; + volumeButtons[ii].buttonX = toggleX; + volumeButtons[ii].buttonY = toggleY; + volumeButtons[ii].buttonWidth = 10; + volumeButtons[ii].buttonHeight = 10; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = no; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Perspective"; + volumeButtons[ii].textColor = arcColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = clipRegionBut; + volumeButtons[ii].buttonX = toggleX; + volumeButtons[ii].buttonY = toggleY+20; + volumeButtons[ii].buttonWidth = 10; + volumeButtons[ii].buttonHeight = 10; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = no; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Show Region"; + volumeButtons[ii].textColor = arcColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = clipSurfaceBut; + volumeButtons[ii].buttonX = toggleX; + volumeButtons[ii].buttonY = toggleY+40; + volumeButtons[ii].buttonWidth = 10; + volumeButtons[ii].buttonHeight = 10; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = no; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Clipping On"; + volumeButtons[ii].textColor = arcColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = clipXBut; + volumeButtons[ii].buttonX = clipXButX; + volumeButtons[ii].buttonY = clipXButY; + volumeButtons[ii].buttonWidth = majorAxis; + volumeButtons[ii].buttonHeight = minorAxis; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = yes; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Clip X"; + volumeButtons[ii].textColor = clipButtonColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = clipYBut; + volumeButtons[ii].buttonX = clipYButX; + volumeButtons[ii].buttonY = clipYButY; + volumeButtons[ii].buttonWidth = minorAxis; + volumeButtons[ii].buttonHeight = majorAxis; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = yes; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Clip Y"; + volumeButtons[ii].textColor = clipButtonColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + ii = clipZBut; + volumeButtons[ii].buttonX = clipZButX; + volumeButtons[ii].buttonY = clipZButY; + volumeButtons[ii].buttonWidth = midAxis; + volumeButtons[ii].buttonHeight = midAxis; + volumeButtons[ii].buttonKey = ii; + volumeButtons[ii].pot = yes; + volumeButtons[ii].mask = potMASK; + volumeButtons[ii].text = "Clip Z"; + volumeButtons[ii].textColor = clipButtonColor; + volumeButtons[ii].xHalf = volumeButtons[ii].buttonWidth/2; + volumeButtons[ii].yHalf = volumeButtons[ii].buttonHeight/2; + ++num; + + return(num); +} + + +/************************* + * int makeVolumePanel() * + *************************/ + +void +#ifdef _NO_PROTO +makeVolumePanel () +#else +makeVolumePanel (void) +#endif +{ + + int i; + XSetWindowAttributes cwAttrib, controlAttrib; + XSizeHints sizehint; + Pixmap volumebits, volumemask; + XColor foreColor, backColor; + + volumebits = XCreateBitmapFromData(dsply,rtWindow,volumeBitmap_bits, + volumeBitmap_width,volumeBitmap_height); + volumemask = XCreateBitmapFromData(dsply,rtWindow,volumeMask_bits, + volumeMask_width,volumeMask_height); + cwAttrib.background_pixel = backgroundColor; + cwAttrib.border_pixel = foregroundColor; + cwAttrib.event_mask = volumeMASK; + cwAttrib.colormap = colorMap; + cwAttrib.override_redirect = overrideManager; + foreColor.pixel = volumeCursorForeground; + XQueryColor(dsply,colorMap,&foreColor); + backColor.pixel = volumeCursorBackground; + XQueryColor(dsply,colorMap,&backColor); + cwAttrib.cursor = XCreatePixmapCursor(dsply,volumebits,volumemask, + &foreColor,&backColor, + volumeBitmap_x_hot, + volumeBitmap_y_hot); + volumeWindow = XCreateWindow(dsply,control->controlWindow, + -3,-3,controlWidth,controlHeight,3, + CopyFromParent,InputOutput,CopyFromParent, + controlCreateMASK,&cwAttrib); + + sizehint.flags = USPosition | USSize; + sizehint.x = 0; + sizehint.y = 0; + sizehint.width = controlWidth; + sizehint.height = controlHeight; + /*** the None stands for icon pixmap ***/ + XSetNormalHints(dsply,volumeWindow,&sizehint); + XSetStandardProperties(dsply,volumeWindow,"Volume Panel 3D", + "View Volume",None,NULL,0,&sizehint); + + /*** volume frustrum window ***/ + + /*** do volume buttons ***/ + initVolumeButtons(control->buttonQueue); + for (i=volumeButtonsStart; i<(volumeButtonsEnd); i++) { + controlAttrib.event_mask = (control->buttonQueue[i]).mask; + (control->buttonQueue[i]).self = + XCreateWindow(dsply,volumeWindow, + (control->buttonQueue[i]).buttonX, + (control->buttonQueue[i]).buttonY, + (control->buttonQueue[i]).buttonWidth, + (control->buttonQueue[i]).buttonHeight, + 0,0,InputOnly,CopyFromParent, + buttonCreateMASK,&controlAttrib); + XMakeAssoc(dsply,table,(control->buttonQueue[i]).self, + &((control->buttonQueue[i]).buttonKey)); + XMapWindow(dsply,(control->buttonQueue[i]).self); + } + +} /* makeVolumePanel() */ + + +void +#ifdef _NO_PROTO +drawClipXBut () +#else +drawClipXBut (void) +#endif +{ + + 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 +#ifdef _NO_PROTO +drawClipYBut () +#else +drawClipYBut (void) +#endif +{ + + 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 +#ifdef _NO_PROTO +drawClipZBut () +#else +drawClipZBut (void) +#endif +{ + + 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 +#ifdef _NO_PROTO +drawClipVolume () +#else +drawClipVolume (void) +#endif +{ + + 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 +#ifdef _NO_PROTO +drawHitherControl () +#else +drawHitherControl (void) +#endif +{ + + 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 +#ifdef _NO_PROTO +drawEyeControl () +#else +drawEyeControl (void) +#endif +{ + + 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 drawFrustrum() * + **************************/ + +void +#ifdef _NO_PROTO +drawFrustrum () +#else +drawFrustrum (void) +#endif +{ + + 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 drawVolumePanel() * + **************************/ + +void +#ifdef _NO_PROTO +drawVolumePanel () +#else +drawVolumePanel (void) +#endif +{ + + 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() */ + + |