[2798] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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[3502] | 2 | /* |
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| 3 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
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| 4 | * |
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| 5 | */ |
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[1429] | 6 | #include <assert.h> |
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[3559] | 7 | #define _OPEN_SYS |
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| 8 | #include <fcntl.h> |
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| 9 | #define _XOPEN_SOURCE_EXTENDED 1 |
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| 10 | #include <sys/uio.h> |
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| 11 | #include <sys/stat.h> |
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[1429] | 12 | #include <stdlib.h> |
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| 13 | #include <stddef.h> |
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| 14 | #include <limits.h> |
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[1899] | 15 | #include <stdint.h> |
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[3559] | 16 | #include <unistd.h> |
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[1515] | 17 | #include <poll.h> |
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[3597] | 18 | |
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[1429] | 19 | #include <tcl.h> |
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[2831] | 20 | |
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[1429] | 21 | #include <RpOutcome.h> |
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[2831] | 22 | |
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[3492] | 23 | #include <vrmath/Vector3f.h> |
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| 24 | |
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[2831] | 25 | #include "nvconf.h" |
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| 26 | |
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[3605] | 27 | #include "nanovisServer.h" |
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[1429] | 28 | #include "nanovis.h" |
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[3567] | 29 | #include "CmdProc.h" |
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[3597] | 30 | #include "Command.h" |
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[3605] | 31 | #include "PPMWriter.h" |
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[3935] | 32 | #ifdef USE_VTK |
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| 33 | #include "VtkDataSetReader.h" |
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| 34 | #endif |
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| 35 | #include "VtkReader.h" |
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[2831] | 36 | #include "FlowCmd.h" |
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[3567] | 37 | #include "FlowTypes.h" |
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[3597] | 38 | #include "Flow.h" |
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[3567] | 39 | #include "FlowBox.h" |
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| 40 | #include "FlowParticles.h" |
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[2831] | 41 | #include "Switch.h" |
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| 42 | #include "TransferFunction.h" |
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[3611] | 43 | #include "LIC.h" |
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[1429] | 44 | #include "Unirect.h" |
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[2831] | 45 | #include "VelocityArrowsSlice.h" |
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[2877] | 46 | #include "Volume.h" |
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[3597] | 47 | #include "Trace.h" |
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[1429] | 48 | |
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[3605] | 49 | using namespace nv; |
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[3492] | 50 | using namespace vrmath; |
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| 51 | |
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[1429] | 52 | static Rappture::SwitchParseProc AxisSwitchProc; |
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| 53 | static Rappture::SwitchCustom axisSwitch = { |
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| 54 | AxisSwitchProc, NULL, 0, |
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| 55 | }; |
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| 56 | |
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| 57 | static Rappture::SwitchParseProc ColorSwitchProc; |
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| 58 | static Rappture::SwitchCustom colorSwitch = { |
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| 59 | ColorSwitchProc, NULL, 0, |
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| 60 | }; |
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| 61 | |
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| 62 | static Rappture::SwitchParseProc PointSwitchProc; |
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| 63 | static Rappture::SwitchCustom pointSwitch = { |
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| 64 | PointSwitchProc, NULL, 0, |
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| 65 | }; |
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| 66 | |
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| 67 | static Rappture::SwitchParseProc PositionSwitchProc; |
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| 68 | static Rappture::SwitchCustom positionSwitch = { |
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| 69 | PositionSwitchProc, NULL, 0, |
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| 70 | }; |
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| 71 | |
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| 72 | static Rappture::SwitchParseProc TransferFunctionSwitchProc; |
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| 73 | static Rappture::SwitchCustom transferFunctionSwitch = { |
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| 74 | TransferFunctionSwitchProc, NULL, 0, |
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| 75 | }; |
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| 76 | |
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[3597] | 77 | Rappture::SwitchSpec Flow::_switches[] = { |
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[3362] | 78 | {Rappture::SWITCH_FLOAT, "-ambient", "value", |
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| 79 | offsetof(FlowValues, ambient), 0}, |
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[1493] | 80 | {Rappture::SWITCH_BOOLEAN, "-arrows", "boolean", |
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[2875] | 81 | offsetof(FlowValues, showArrows), 0}, |
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[1429] | 82 | {Rappture::SWITCH_CUSTOM, "-axis", "axis", |
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[2875] | 83 | offsetof(FlowValues, slicePos.axis), 0, 0, &axisSwitch}, |
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[1493] | 84 | {Rappture::SWITCH_FLOAT, "-diffuse", "value", |
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[2875] | 85 | offsetof(FlowValues, diffuse), 0}, |
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[1429] | 86 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 87 | offsetof(FlowValues, isHidden), 0}, |
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[3397] | 88 | {Rappture::SWITCH_BOOLEAN, "-light2side", "boolean", |
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| 89 | offsetof(FlowValues, twoSidedLighting), 0}, |
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[1493] | 90 | {Rappture::SWITCH_FLOAT, "-opacity", "value", |
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[2875] | 91 | offsetof(FlowValues, opacity), 0}, |
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[1493] | 92 | {Rappture::SWITCH_BOOLEAN, "-outline", "boolean", |
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[2875] | 93 | offsetof(FlowValues, showOutline), 0}, |
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[1429] | 94 | {Rappture::SWITCH_CUSTOM, "-position", "number", |
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[2875] | 95 | offsetof(FlowValues, slicePos), 0, 0, &positionSwitch}, |
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[1493] | 96 | {Rappture::SWITCH_BOOLEAN, "-slice", "boolean", |
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[2875] | 97 | offsetof(FlowValues, sliceVisible), 0}, |
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[3362] | 98 | {Rappture::SWITCH_FLOAT, "-specularExp", "value", |
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| 99 | offsetof(FlowValues, specularExp), 0}, |
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| 100 | {Rappture::SWITCH_FLOAT, "-specularLevel", "value", |
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[2875] | 101 | offsetof(FlowValues, specular), 0}, |
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[1429] | 102 | {Rappture::SWITCH_CUSTOM, "-transferfunction", "name", |
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[3567] | 103 | offsetof(FlowValues, transferFunction), 0, 0, &transferFunctionSwitch}, |
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[1429] | 104 | {Rappture::SWITCH_BOOLEAN, "-volume", "boolean", |
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[2875] | 105 | offsetof(FlowValues, showVolume), 0}, |
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[1429] | 106 | {Rappture::SWITCH_END} |
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| 107 | }; |
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| 108 | |
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| 109 | Rappture::SwitchSpec FlowParticles::_switches[] = { |
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[3630] | 110 | {Rappture::SWITCH_CUSTOM, "-axis", "axis", |
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[2875] | 111 | offsetof(FlowParticlesValues, position.axis), 0, 0, &axisSwitch}, |
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[1429] | 112 | {Rappture::SWITCH_CUSTOM, "-color", "{r g b a}", |
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[2875] | 113 | offsetof(FlowParticlesValues, color), 0, 0, &colorSwitch}, |
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[1429] | 114 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 115 | offsetof(FlowParticlesValues, isHidden), 0}, |
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[1429] | 116 | {Rappture::SWITCH_CUSTOM, "-position", "number", |
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[2875] | 117 | offsetof(FlowParticlesValues, position), 0, 0, &positionSwitch}, |
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[1497] | 118 | {Rappture::SWITCH_FLOAT, "-size", "float", |
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[2875] | 119 | offsetof(FlowParticlesValues, particleSize), 0}, |
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[1429] | 120 | {Rappture::SWITCH_END} |
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| 121 | }; |
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| 122 | |
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| 123 | Rappture::SwitchSpec FlowBox::_switches[] = { |
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| 124 | {Rappture::SWITCH_CUSTOM, "-color", "{r g b a}", |
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[2875] | 125 | offsetof(FlowBoxValues, color), 0, 0, &colorSwitch}, |
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[1429] | 126 | {Rappture::SWITCH_CUSTOM, "-corner1", "{x y z}", |
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[2875] | 127 | offsetof(FlowBoxValues, corner1), 0, 0, &pointSwitch}, |
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[1429] | 128 | {Rappture::SWITCH_CUSTOM, "-corner2", "{x y z}", |
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[2875] | 129 | offsetof(FlowBoxValues, corner2), 0, 0, &pointSwitch}, |
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[1429] | 130 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 131 | offsetof(FlowBoxValues, isHidden), 0}, |
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[1429] | 132 | {Rappture::SWITCH_FLOAT, "-linewidth", "number", |
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[2875] | 133 | offsetof(FlowBoxValues, lineWidth), 0}, |
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[1429] | 134 | {Rappture::SWITCH_END} |
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| 135 | }; |
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| 136 | |
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| 137 | static int |
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| 138 | FlowDataFileOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 139 | Tcl_Obj *const *objv) |
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[1429] | 140 | { |
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| 141 | Rappture::Outcome result; |
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[3564] | 142 | |
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[1429] | 143 | const char *fileName; |
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| 144 | fileName = Tcl_GetString(objv[3]); |
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[3564] | 145 | TRACE("File: %s", fileName); |
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[1429] | 146 | |
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[1434] | 147 | int nComponents; |
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| 148 | if (Tcl_GetIntFromObj(interp, objv[4], &nComponents) != TCL_OK) { |
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[1429] | 149 | return TCL_ERROR; |
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| 150 | } |
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[1434] | 151 | if ((nComponents < 1) || (nComponents > 4)) { |
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[2875] | 152 | Tcl_AppendResult(interp, "bad # of components \"", |
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| 153 | Tcl_GetString(objv[4]), "\"", (char *)NULL); |
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| 154 | return TCL_ERROR; |
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[1429] | 155 | } |
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| 156 | Rappture::Buffer buf; |
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| 157 | if (!buf.load(result, fileName)) { |
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[2875] | 158 | Tcl_AppendResult(interp, "can't load data from \"", fileName, "\": ", |
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| 159 | result.remark(), (char *)NULL); |
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| 160 | return TCL_ERROR; |
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[1429] | 161 | } |
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| 162 | |
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[1510] | 163 | Rappture::Unirect3d *dataPtr; |
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| 164 | dataPtr = new Rappture::Unirect3d(nComponents); |
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[3597] | 165 | Flow *flow = (Flow *)clientData; |
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[1446] | 166 | size_t length = buf.size(); |
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| 167 | char *bytes = (char *)buf.bytes(); |
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| 168 | if ((length > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
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[2922] | 169 | if (!dataPtr->importDx(result, nComponents, length-4, bytes+4)) { |
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[2875] | 170 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 171 | delete dataPtr; |
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| 172 | return TCL_ERROR; |
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| 173 | } |
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[1462] | 174 | } else if ((length > 10) && (strncmp(bytes, "unirect3d ", 10) == 0)) { |
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[2922] | 175 | if (dataPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 176 | delete dataPtr; |
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| 177 | return TCL_ERROR; |
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| 178 | } |
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[1462] | 179 | } else if ((length > 10) && (strncmp(bytes, "unirect2d ", 10) == 0)) { |
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[2875] | 180 | Rappture::Unirect2d *u2dPtr; |
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| 181 | u2dPtr = new Rappture::Unirect2d(nComponents); |
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[2922] | 182 | if (u2dPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 183 | delete u2dPtr; |
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| 184 | return TCL_ERROR; |
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| 185 | } |
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[2922] | 186 | dataPtr->convert(u2dPtr); |
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[2875] | 187 | delete u2dPtr; |
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[1429] | 188 | } else { |
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[3564] | 189 | TRACE("header is %.14s", buf.bytes()); |
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[2922] | 190 | if (!dataPtr->importDx(result, nComponents, length, bytes)) { |
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[2875] | 191 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 192 | delete dataPtr; |
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| 193 | return TCL_ERROR; |
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| 194 | } |
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[1429] | 195 | } |
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[1510] | 196 | if (dataPtr->nValues() == 0) { |
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[2875] | 197 | delete dataPtr; |
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| 198 | Tcl_AppendResult(interp, "no data found in \"", fileName, "\"", |
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| 199 | (char *)NULL); |
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| 200 | return TCL_ERROR; |
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[1510] | 201 | } |
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[3597] | 202 | flow->data(dataPtr); |
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[3630] | 203 | Flow::updatePending = true; |
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| 204 | NanoVis::eventuallyRedraw(); |
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[1429] | 205 | return TCL_OK; |
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| 206 | } |
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| 207 | |
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[2875] | 208 | /** |
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[1434] | 209 | * $flow data follows nbytes nComponents |
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[1431] | 210 | */ |
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[1429] | 211 | static int |
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| 212 | FlowDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 213 | Tcl_Obj *const *objv) |
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[1429] | 214 | { |
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| 215 | Rappture::Outcome result; |
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| 216 | |
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[3564] | 217 | TRACE("Enter"); |
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| 218 | |
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[1429] | 219 | int nBytes; |
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| 220 | if (Tcl_GetIntFromObj(interp, objv[3], &nBytes) != TCL_OK) { |
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[3452] | 221 | ERROR("Bad nBytes \"%s\"", Tcl_GetString(objv[3])); |
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[1429] | 222 | return TCL_ERROR; |
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| 223 | } |
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| 224 | if (nBytes <= 0) { |
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[2875] | 225 | Tcl_AppendResult(interp, "bad # bytes request \"", |
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| 226 | Tcl_GetString(objv[3]), "\" for \"data follows\"", (char *)NULL); |
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[3452] | 227 | ERROR("Bad nbytes %d", nBytes); |
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[2875] | 228 | return TCL_ERROR; |
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[1429] | 229 | } |
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[1434] | 230 | int nComponents; |
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| 231 | if (Tcl_GetIntFromObj(interp, objv[4], &nComponents) != TCL_OK) { |
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[3452] | 232 | ERROR("Bad # of components \"%s\"", Tcl_GetString(objv[4])); |
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[1429] | 233 | return TCL_ERROR; |
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| 234 | } |
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[1434] | 235 | if (nComponents <= 0) { |
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[2875] | 236 | Tcl_AppendResult(interp, "bad # of components request \"", |
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| 237 | Tcl_GetString(objv[4]), "\" for \"data follows\"", (char *)NULL); |
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[3452] | 238 | ERROR("Bad # of components %d", nComponents); |
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[2875] | 239 | return TCL_ERROR; |
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[1431] | 240 | } |
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[3605] | 241 | Rappture::Buffer buf(nBytes); |
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[3564] | 242 | TRACE("Flow data loading bytes: %d components: %d", nBytes, nComponents); |
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[1429] | 243 | if (GetDataStream(interp, buf, nBytes) != TCL_OK) { |
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| 244 | return TCL_ERROR; |
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| 245 | } |
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[3605] | 246 | char *bytes = (char *)buf.bytes(); |
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| 247 | size_t length = buf.size(); |
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| 248 | |
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[3935] | 249 | Rappture::Unirect3d *unirect = NULL; |
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| 250 | Volume *volume = NULL; |
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[1478] | 251 | |
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[3597] | 252 | Flow *flow = (Flow *)clientData; |
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[1446] | 253 | if ((length > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
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[3935] | 254 | unirect = new Rappture::Unirect3d(nComponents); |
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| 255 | if (!unirect->importDx(result, nComponents, length - 4, bytes + 4)) { |
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[2875] | 256 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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[3935] | 257 | delete unirect; |
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[2875] | 258 | return TCL_ERROR; |
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| 259 | } |
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[1462] | 260 | } else if ((length > 10) && (strncmp(bytes, "unirect3d ", 10) == 0)) { |
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[3935] | 261 | unirect = new Rappture::Unirect3d(nComponents); |
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| 262 | if (unirect->parseBuffer(interp, buf) != TCL_OK) { |
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| 263 | delete unirect; |
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[2875] | 264 | return TCL_ERROR; |
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| 265 | } |
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[1462] | 266 | } else if ((length > 10) && (strncmp(bytes, "unirect2d ", 10) == 0)) { |
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[3935] | 267 | unirect = new Rappture::Unirect3d(nComponents); |
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[2875] | 268 | Rappture::Unirect2d *u2dPtr; |
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| 269 | u2dPtr = new Rappture::Unirect2d(nComponents); |
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[2922] | 270 | if (u2dPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[3936] | 271 | delete unirect; |
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[2875] | 272 | delete u2dPtr; |
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| 273 | return TCL_ERROR; |
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| 274 | } |
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[3935] | 275 | unirect->convert(u2dPtr); |
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[2875] | 276 | delete u2dPtr; |
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[3630] | 277 | } else if ((length > 14) && (strncmp(bytes, "# vtk DataFile", 14) == 0)) { |
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| 278 | TRACE("VTK loading..."); |
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| 279 | std::stringstream fdata; |
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| 280 | fdata.write(bytes, length); |
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| 281 | if (length <= 0) { |
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| 282 | ERROR("data buffer is empty"); |
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| 283 | abort(); |
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| 284 | } |
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| 285 | Rappture::Outcome context; |
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[3935] | 286 | #ifdef USE_VTK |
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| 287 | volume = load_vtk_volume_stream(context, flow->name(), bytes, length); |
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| 288 | #else |
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| 289 | std::stringstream fdata; |
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| 290 | fdata.write(bytes, nBytes); |
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| 291 | volume = load_vtk_volume_stream(context, flow->name(), fdata); |
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| 292 | #endif |
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[3630] | 293 | if (volume == NULL) { |
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| 294 | Tcl_AppendResult(interp, context.remark(), (char*)NULL); |
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| 295 | return TCL_ERROR; |
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| 296 | } |
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[1429] | 297 | } else { |
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[3564] | 298 | TRACE("header is %.14s", buf.bytes()); |
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[3936] | 299 | unirect = new Rappture::Unirect3d(nComponents); |
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[3935] | 300 | if (!unirect->importDx(result, nComponents, length, bytes)) { |
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[2875] | 301 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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[3935] | 302 | delete unirect; |
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[2875] | 303 | return TCL_ERROR; |
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| 304 | } |
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[1429] | 305 | } |
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[3935] | 306 | if (unirect != NULL && unirect->nValues() == 0) { |
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| 307 | delete unirect; |
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[2875] | 308 | Tcl_AppendResult(interp, "no data found in stream", (char *)NULL); |
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| 309 | return TCL_ERROR; |
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[1510] | 310 | } |
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[3935] | 311 | #if 0 |
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[3565] | 312 | TRACE("nx = %d ny = %d nz = %d", |
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[3935] | 313 | unirect->xNum(), unirect->yNum(), unirect->zNum()); |
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[3565] | 314 | TRACE("x0 = %lg y0 = %lg z0 = %lg", |
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[3935] | 315 | unirect->xMin(), unirect->yMin(), unirect->zMin()); |
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[3565] | 316 | TRACE("lx = %lg ly = %lg lz = %lg", |
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[3935] | 317 | unirect->xMax() - unirect->xMin(), |
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| 318 | unirect->yMax() - unirect->yMin(), |
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| 319 | unirect->zMax() - unirect->zMin()); |
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[3565] | 320 | TRACE("dx = %lg dy = %lg dz = %lg", |
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[3935] | 321 | unirect->xNum() > 1 ? (unirect->xMax() - unirect->xMin())/(unirect->xNum()-1) : 0, |
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| 322 | unirect->yNum() > 1 ? (unirect->yMax() - unirect->yMin())/(unirect->yNum()-1) : 0, |
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| 323 | unirect->zNum() > 1 ? (unirect->zMax() - unirect->zMin())/(unirect->zNum()-1) : 0); |
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[3565] | 324 | TRACE("magMin = %lg magMax = %lg", |
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[3935] | 325 | unirect->magMin(), unirect->magMax()); |
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| 326 | #endif |
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| 327 | if (unirect != NULL) { |
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| 328 | flow->data(unirect); |
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| 329 | } else { |
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| 330 | flow->data(volume); |
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| 331 | } |
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| 332 | double range[2]; |
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| 333 | flow->getVectorRange(range); |
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[1431] | 334 | { |
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| 335 | char info[1024]; |
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[3605] | 336 | int length = |
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| 337 | sprintf(info, "nv>data tag %s min %g max %g\n", |
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[3935] | 338 | flow->name(), range[0], range[1]); |
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[3605] | 339 | #ifdef USE_THREADS |
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| 340 | queueResponse(info, (size_t)length, Response::VOLATILE); |
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| 341 | #else |
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| 342 | if (SocketWrite(info, (size_t)length) < 0) { |
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| 343 | return TCL_ERROR; |
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| 344 | } |
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| 345 | #endif |
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[1431] | 346 | } |
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[3630] | 347 | Flow::updatePending = true; |
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| 348 | NanoVis::eventuallyRedraw(); |
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[1429] | 349 | return TCL_OK; |
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| 350 | } |
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| 351 | |
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| 352 | static Rappture::CmdSpec flowDataOps[] = { |
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[1434] | 353 | {"file", 2, FlowDataFileOp, 5, 5, "fileName nComponents",}, |
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| 354 | {"follows", 2, FlowDataFollowsOp, 5, 5, "size nComponents",}, |
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[1429] | 355 | }; |
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| 356 | static int nFlowDataOps = NumCmdSpecs(flowDataOps); |
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| 357 | |
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| 358 | static int |
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| 359 | FlowDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 360 | Tcl_Obj *const *objv) |
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[1429] | 361 | { |
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| 362 | Tcl_ObjCmdProc *proc; |
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| 363 | |
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| 364 | proc = Rappture::GetOpFromObj(interp, nFlowDataOps, flowDataOps, |
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| 365 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
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| 366 | if (proc == NULL) { |
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| 367 | return TCL_ERROR; |
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| 368 | } |
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| 369 | return (*proc) (clientData, interp, objc, objv); |
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| 370 | } |
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| 371 | |
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[3567] | 372 | /** |
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[2875] | 373 | * \brief Convert a Tcl_Obj representing the label of a child node into its |
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| 374 | * integer node id. |
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[1429] | 375 | * |
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[2875] | 376 | * \param clientData Flag indicating if the node is considered before or |
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| 377 | * after the insertion position. |
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| 378 | * \param interp Interpreter to send results back to |
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| 379 | * \param switchName Not used |
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| 380 | * \param objPtr String representation |
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| 381 | * \param record Structure record |
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| 382 | * \param offset Not used |
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| 383 | * \param flags Not used |
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[1429] | 384 | * |
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[2875] | 385 | * \return The return value is a standard Tcl result. |
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[1429] | 386 | */ |
---|
| 387 | static int |
---|
[2875] | 388 | AxisSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 389 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 390 | char *record, int offset, int flags) |
---|
[1429] | 391 | { |
---|
| 392 | const char *string = Tcl_GetString(objPtr); |
---|
| 393 | if (string[1] == '\0') { |
---|
[3630] | 394 | FlowSliceAxis *axisPtr = (FlowSliceAxis *)(record + offset); |
---|
[1429] | 395 | char c; |
---|
| 396 | c = tolower((unsigned char)string[0]); |
---|
| 397 | if (c == 'x') { |
---|
[3630] | 398 | *axisPtr = AXIS_X; |
---|
[1429] | 399 | return TCL_OK; |
---|
| 400 | } else if (c == 'y') { |
---|
[3630] | 401 | *axisPtr = AXIS_Y; |
---|
[1429] | 402 | return TCL_OK; |
---|
| 403 | } else if (c == 'z') { |
---|
[3630] | 404 | *axisPtr = AXIS_Z; |
---|
[1429] | 405 | return TCL_OK; |
---|
| 406 | } |
---|
| 407 | /*FALLTHRU*/ |
---|
| 408 | } |
---|
| 409 | Tcl_AppendResult(interp, "bad axis \"", string, |
---|
| 410 | "\": should be x, y, or z", (char*)NULL); |
---|
| 411 | return TCL_ERROR; |
---|
| 412 | } |
---|
| 413 | |
---|
[2875] | 414 | /** |
---|
| 415 | * \brief Convert a Tcl_Obj representing the label of a list of four color |
---|
| 416 | * components in to a RGBA color value. |
---|
[1429] | 417 | * |
---|
[2875] | 418 | * \param clientData Flag indicating if the node is considered before or |
---|
| 419 | * after the insertion position. |
---|
| 420 | * \param interp Interpreter to send results back to |
---|
| 421 | * \param switchName Not used |
---|
| 422 | * \param objPtr String representation |
---|
| 423 | * \param record Structure record |
---|
| 424 | * \param offset Not used |
---|
| 425 | * \param flags Not used |
---|
| 426 | * |
---|
| 427 | * \return The return value is a standard Tcl result. |
---|
[1429] | 428 | */ |
---|
| 429 | static int |
---|
[2875] | 430 | ColorSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 431 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 432 | char *record, int offset, int flags) |
---|
[1429] | 433 | { |
---|
| 434 | Tcl_Obj **objv; |
---|
| 435 | int objc; |
---|
[3567] | 436 | FlowColor *color = (FlowColor *)(record + offset); |
---|
[1429] | 437 | |
---|
| 438 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
---|
[2875] | 439 | return TCL_ERROR; |
---|
[1429] | 440 | } |
---|
| 441 | if ((objc < 3) || (objc > 4)) { |
---|
[2875] | 442 | Tcl_AppendResult(interp, "wrong # of elements in color definition", |
---|
| 443 | (char *)NULL); |
---|
| 444 | return TCL_ERROR; |
---|
[1429] | 445 | } |
---|
| 446 | float values[4]; |
---|
| 447 | int i; |
---|
| 448 | values[3] = 1.0f; |
---|
| 449 | for (i = 0; i < objc; i++) { |
---|
[2875] | 450 | float value; |
---|
[1429] | 451 | |
---|
[2875] | 452 | if (GetFloatFromObj(interp, objv[i], &value) != TCL_OK) { |
---|
| 453 | return TCL_ERROR; |
---|
| 454 | } |
---|
| 455 | if ((value < 0.0) || (value > 1.0)) { |
---|
| 456 | Tcl_AppendResult(interp, "bad component value in \"", |
---|
| 457 | Tcl_GetString(objPtr), "\": color values must be [0..1]", |
---|
| 458 | (char *)NULL); |
---|
| 459 | return TCL_ERROR; |
---|
| 460 | } |
---|
| 461 | values[i] = value; |
---|
| 462 | } |
---|
[3567] | 463 | color->r = values[0]; |
---|
| 464 | color->g = values[1]; |
---|
| 465 | color->b = values[2]; |
---|
| 466 | color->a = values[3]; |
---|
[1429] | 467 | return TCL_OK; |
---|
| 468 | } |
---|
| 469 | |
---|
[2875] | 470 | /** |
---|
| 471 | * \brief Convert a Tcl_Obj representing the a 3-D coordinate into a point. |
---|
[1429] | 472 | * |
---|
[2875] | 473 | * \param clientData Flag indicating if the node is considered before or |
---|
| 474 | * after the insertion position. |
---|
| 475 | * \param interp Interpreter to send results back to |
---|
| 476 | * \param switchName Not used |
---|
| 477 | * \param objPtr String representation |
---|
| 478 | * \param record Structure record |
---|
| 479 | * \param offset Not used |
---|
| 480 | * \param flags Not used |
---|
[1429] | 481 | * |
---|
[2875] | 482 | * \return The return value is a standard Tcl result. |
---|
[1429] | 483 | */ |
---|
| 484 | static int |
---|
[2875] | 485 | PointSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 486 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 487 | char *record, int offset, int flags) |
---|
[1429] | 488 | { |
---|
[3567] | 489 | FlowPoint *point = (FlowPoint *)(record + offset); |
---|
[1429] | 490 | int objc; |
---|
| 491 | Tcl_Obj **objv; |
---|
| 492 | |
---|
| 493 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
---|
[2875] | 494 | return TCL_ERROR; |
---|
[1429] | 495 | } |
---|
| 496 | if (objc != 3) { |
---|
[2875] | 497 | Tcl_AppendResult(interp, "wrong # of elements for box coordinates: " |
---|
| 498 | " should be \"x y z\"", (char *)NULL); |
---|
| 499 | return TCL_ERROR; |
---|
[1429] | 500 | } |
---|
| 501 | float values[3]; |
---|
| 502 | int i; |
---|
| 503 | for (i = 0; i < objc; i++) { |
---|
[2875] | 504 | float value; |
---|
[1429] | 505 | |
---|
[2875] | 506 | if (GetFloatFromObj(interp, objv[i], &value) != TCL_OK) { |
---|
| 507 | return TCL_ERROR; |
---|
| 508 | } |
---|
| 509 | values[i] = value; |
---|
| 510 | } |
---|
[3567] | 511 | point->x = values[0]; |
---|
| 512 | point->y = values[1]; |
---|
| 513 | point->z = values[2]; |
---|
[1429] | 514 | return TCL_OK; |
---|
| 515 | } |
---|
| 516 | |
---|
[2875] | 517 | /** |
---|
| 518 | * \brief Convert a Tcl_Obj representing the a 3-D coordinate into a point. |
---|
[1429] | 519 | * |
---|
[2875] | 520 | * \param clientData Flag indicating if the node is considered before or |
---|
| 521 | * after the insertion position. |
---|
| 522 | * \param interp Interpreter to send results back to |
---|
| 523 | * \param switchName Not used |
---|
| 524 | * \param objPtr String representation |
---|
| 525 | * \param record Structure record |
---|
| 526 | * \param offset Not used |
---|
| 527 | * \param flags Not used |
---|
[1429] | 528 | * |
---|
[2875] | 529 | * \return The return value is a standard Tcl result. |
---|
[1429] | 530 | */ |
---|
| 531 | static int |
---|
[2875] | 532 | PositionSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 533 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 534 | char *record, int offset, int flags) |
---|
[1429] | 535 | { |
---|
| 536 | FlowPosition *posPtr = (FlowPosition *)(record + offset); |
---|
| 537 | const char *string; |
---|
| 538 | char *p; |
---|
| 539 | |
---|
| 540 | string = Tcl_GetString(objPtr); |
---|
[1571] | 541 | p = strrchr((char *)string, '%'); |
---|
[1429] | 542 | if (p == NULL) { |
---|
[2875] | 543 | float value; |
---|
[1429] | 544 | |
---|
[2875] | 545 | if (GetFloatFromObj(interp, objPtr, &value) != TCL_OK) { |
---|
| 546 | return TCL_ERROR; |
---|
| 547 | } |
---|
| 548 | posPtr->value = value; |
---|
| 549 | posPtr->flags = ABSPOS; |
---|
[1429] | 550 | } else { |
---|
[2875] | 551 | double value; |
---|
[1429] | 552 | |
---|
[2875] | 553 | *p = '\0'; |
---|
| 554 | if (Tcl_GetDouble(interp, string, &value) != TCL_OK) { |
---|
| 555 | return TCL_ERROR; |
---|
| 556 | } |
---|
| 557 | posPtr->value = (float)value * 0.01; |
---|
| 558 | posPtr->flags = RELPOS; |
---|
[1429] | 559 | } |
---|
| 560 | return TCL_OK; |
---|
| 561 | } |
---|
| 562 | |
---|
[2875] | 563 | /** |
---|
| 564 | * \brief Convert a Tcl_Obj representing the transfer function into a |
---|
| 565 | * TransferFunction pointer. |
---|
[1429] | 566 | * |
---|
[2875] | 567 | * The transfer function must have been previously defined. |
---|
[1429] | 568 | * |
---|
[2875] | 569 | * \param clientData Flag indicating if the node is considered before or |
---|
| 570 | * after the insertion position. |
---|
| 571 | * \param interp Interpreter to send results back to |
---|
| 572 | * \param switchName Not used |
---|
| 573 | * \param objPtr String representation |
---|
| 574 | * \param record Structure record |
---|
| 575 | * \param offset Not used |
---|
| 576 | * \param flags Not used |
---|
[1429] | 577 | * |
---|
[2875] | 578 | * \return The return value is a standard Tcl result. |
---|
[1429] | 579 | */ |
---|
| 580 | static int |
---|
[2875] | 581 | TransferFunctionSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 582 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 583 | char *record, int offset, int flags) |
---|
[1429] | 584 | { |
---|
| 585 | TransferFunction **funcPtrPtr = (TransferFunction **)(record + offset); |
---|
[3567] | 586 | TransferFunction *tf = NanoVis::getTransferFunction(Tcl_GetString(objPtr)); |
---|
| 587 | if (tf == NULL) { |
---|
[1429] | 588 | Tcl_AppendResult(interp, "transfer function \"", Tcl_GetString(objPtr), |
---|
| 589 | "\" is not defined", (char*)NULL); |
---|
| 590 | return TCL_ERROR; |
---|
| 591 | } |
---|
[3567] | 592 | *funcPtrPtr = tf; |
---|
[1429] | 593 | return TCL_OK; |
---|
| 594 | } |
---|
| 595 | |
---|
| 596 | static int |
---|
| 597 | FlowConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 598 | Tcl_Obj *const *objv) |
---|
[1429] | 599 | { |
---|
[3597] | 600 | Flow *flow = (Flow *)clientData; |
---|
[1429] | 601 | |
---|
[3597] | 602 | if (flow->parseSwitches(interp, objc - 2, objv + 2) != TCL_OK) { |
---|
[2875] | 603 | return TCL_ERROR; |
---|
[1429] | 604 | } |
---|
[3630] | 605 | if (flow->configure()) { |
---|
| 606 | Flow::updatePending = true; |
---|
| 607 | } |
---|
| 608 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 609 | return TCL_OK; |
---|
| 610 | } |
---|
| 611 | |
---|
| 612 | static int |
---|
| 613 | FlowParticlesAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 614 | Tcl_Obj *const *objv) |
---|
[1429] | 615 | { |
---|
[3597] | 616 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 617 | const char *particlesName = Tcl_GetString(objv[3]); |
---|
| 618 | FlowParticles *particles = flow->createParticles(particlesName); |
---|
| 619 | if (particles == NULL) { |
---|
| 620 | Tcl_AppendResult(interp, "Flow particle injection plane \"", |
---|
| 621 | particlesName, |
---|
| 622 | "\" already exists or could not be created", |
---|
| 623 | (char*)NULL); |
---|
[2875] | 624 | return TCL_ERROR; |
---|
[1429] | 625 | } |
---|
[3567] | 626 | if (particles->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 627 | flow->deleteParticles(particlesName); |
---|
[2875] | 628 | return TCL_ERROR; |
---|
[1429] | 629 | } |
---|
[3567] | 630 | particles->configure(); |
---|
[3630] | 631 | Flow::updatePending = true; |
---|
[2877] | 632 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 633 | Tcl_SetObjResult(interp, objv[3]); |
---|
| 634 | return TCL_OK; |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | static int |
---|
| 638 | FlowParticlesConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 639 | Tcl_Obj *const *objv) |
---|
[1429] | 640 | { |
---|
[3597] | 641 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 642 | const char *particlesName = Tcl_GetString(objv[3]); |
---|
| 643 | FlowParticles *particles = flow->getParticles(particlesName); |
---|
| 644 | if (particles == NULL) { |
---|
| 645 | Tcl_AppendResult(interp, "Flow particle injection plane \"", |
---|
| 646 | particlesName, "\" not found", |
---|
| 647 | (char*)NULL); |
---|
[2875] | 648 | return TCL_ERROR; |
---|
[1429] | 649 | } |
---|
[3567] | 650 | if (particles->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
[2875] | 651 | return TCL_ERROR; |
---|
[1429] | 652 | } |
---|
[3630] | 653 | if (particles->configure()) { |
---|
| 654 | Flow::updatePending = true; |
---|
| 655 | } |
---|
| 656 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 657 | return TCL_OK; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | static int |
---|
| 661 | FlowParticlesDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 662 | Tcl_Obj *const *objv) |
---|
[1429] | 663 | { |
---|
[3597] | 664 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 665 | for (int i = 3; i < objc; i++) { |
---|
| 666 | flow->deleteParticles(Tcl_GetString(objv[i])); |
---|
[1429] | 667 | } |
---|
[2877] | 668 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 669 | return TCL_OK; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | static int |
---|
| 673 | FlowParticlesNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 674 | Tcl_Obj *const *objv) |
---|
[1429] | 675 | { |
---|
[3597] | 676 | Flow *flow = (Flow *)clientData; |
---|
[1429] | 677 | Tcl_Obj *listObjPtr; |
---|
| 678 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
[3567] | 679 | std::vector<std::string> names; |
---|
| 680 | flow->getParticlesNames(names); |
---|
| 681 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
| 682 | itr != names.end(); ++itr) { |
---|
| 683 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->c_str(), -1); |
---|
[2875] | 684 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 685 | } |
---|
| 686 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 687 | return TCL_OK; |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | static Rappture::CmdSpec flowParticlesOps[] = { |
---|
| 691 | {"add", 1, FlowParticlesAddOp, 4, 0, "name ?switches?",}, |
---|
| 692 | {"configure", 1, FlowParticlesConfigureOp, 4, 0, "name ?switches?",}, |
---|
[3567] | 693 | {"delete", 1, FlowParticlesDeleteOp, 4, 0, "name ?name...?"}, |
---|
| 694 | {"names", 1, FlowParticlesNamesOp, 3, 3, ""}, |
---|
[1429] | 695 | }; |
---|
| 696 | |
---|
| 697 | static int nFlowParticlesOps = NumCmdSpecs(flowParticlesOps); |
---|
| 698 | |
---|
[2875] | 699 | /** |
---|
| 700 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 701 | * object. |
---|
| 702 | * |
---|
| 703 | * Side effects: See the user documentation. |
---|
| 704 | * |
---|
| 705 | * $flow particles oper $name |
---|
| 706 | * |
---|
| 707 | * \return A standard Tcl result. |
---|
| 708 | */ |
---|
[1429] | 709 | static int |
---|
| 710 | FlowParticlesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 711 | Tcl_Obj *const *objv) |
---|
[1429] | 712 | { |
---|
| 713 | Tcl_ObjCmdProc *proc; |
---|
| 714 | proc = Rappture::GetOpFromObj(interp, nFlowParticlesOps, flowParticlesOps, |
---|
[2875] | 715 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
---|
[1429] | 716 | if (proc == NULL) { |
---|
[2875] | 717 | return TCL_ERROR; |
---|
[1429] | 718 | } |
---|
[3597] | 719 | Flow *flow = (Flow *)clientData; |
---|
| 720 | Tcl_Preserve(flow); |
---|
[1429] | 721 | int result; |
---|
| 722 | result = (*proc) (clientData, interp, objc, objv); |
---|
[3597] | 723 | Tcl_Release(flow); |
---|
[1429] | 724 | return result; |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | static int |
---|
| 728 | FlowBoxAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 729 | Tcl_Obj *const *objv) |
---|
[1429] | 730 | { |
---|
[3597] | 731 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 732 | const char *boxName = Tcl_GetString(objv[3]); |
---|
| 733 | FlowBox *box = flow->createBox(boxName); |
---|
| 734 | if (box == NULL) { |
---|
| 735 | Tcl_AppendResult(interp, "Flow box \"", boxName, |
---|
| 736 | "\" already exists or could not be created", |
---|
| 737 | (char*)NULL); |
---|
[2875] | 738 | return TCL_ERROR; |
---|
[1429] | 739 | } |
---|
[3567] | 740 | if (box->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 741 | flow->deleteBox(boxName); |
---|
[2875] | 742 | return TCL_ERROR; |
---|
[1429] | 743 | } |
---|
[3567] | 744 | NanoVis::eventuallyRedraw(); |
---|
| 745 | Tcl_SetObjResult(interp, objv[3]); |
---|
| 746 | return TCL_OK; |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | static int |
---|
| 750 | FlowBoxConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
| 751 | Tcl_Obj *const *objv) |
---|
| 752 | { |
---|
[3597] | 753 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 754 | const char *boxName = Tcl_GetString(objv[3]); |
---|
| 755 | FlowBox *box = flow->getBox(boxName); |
---|
| 756 | if (box == NULL) { |
---|
| 757 | Tcl_AppendResult(interp, "Flow box \"", boxName, "\" not found", |
---|
| 758 | (char*)NULL); |
---|
[2875] | 759 | return TCL_ERROR; |
---|
[1429] | 760 | } |
---|
[3567] | 761 | if (box->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 762 | return TCL_ERROR; |
---|
| 763 | } |
---|
[2877] | 764 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 765 | return TCL_OK; |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | static int |
---|
| 769 | FlowBoxDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 770 | Tcl_Obj *const *objv) |
---|
[1429] | 771 | { |
---|
[3597] | 772 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 773 | for (int i = 3; i < objc; i++) { |
---|
| 774 | flow->deleteBox(Tcl_GetString(objv[i])); |
---|
[1429] | 775 | } |
---|
[2877] | 776 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 777 | return TCL_OK; |
---|
| 778 | } |
---|
| 779 | |
---|
| 780 | static int |
---|
| 781 | FlowBoxNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 782 | Tcl_Obj *const *objv) |
---|
[1429] | 783 | { |
---|
[3597] | 784 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 785 | Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
| 786 | std::vector<std::string> names; |
---|
| 787 | flow->getBoxNames(names); |
---|
| 788 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
| 789 | itr != names.end(); ++itr) { |
---|
| 790 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->c_str(), -1); |
---|
[2875] | 791 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 792 | } |
---|
| 793 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 794 | return TCL_OK; |
---|
| 795 | } |
---|
| 796 | |
---|
| 797 | static Rappture::CmdSpec flowBoxOps[] = { |
---|
| 798 | {"add", 1, FlowBoxAddOp, 4, 0, "name ?switches?",}, |
---|
| 799 | {"configure", 1, FlowBoxConfigureOp, 4, 0, "name ?switches?",}, |
---|
[3567] | 800 | {"delete", 1, FlowBoxDeleteOp, 4, 0, "name ?name...?"}, |
---|
| 801 | {"names", 1, FlowBoxNamesOp, 3, 3, ""}, |
---|
[1429] | 802 | }; |
---|
| 803 | |
---|
| 804 | static int nFlowBoxOps = NumCmdSpecs(flowBoxOps); |
---|
| 805 | |
---|
[2875] | 806 | /** |
---|
| 807 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 808 | * object. |
---|
| 809 | * |
---|
| 810 | * Side effects: See the user documentation. |
---|
| 811 | * |
---|
| 812 | * \return A standard Tcl result. |
---|
| 813 | */ |
---|
[1429] | 814 | static int |
---|
| 815 | FlowBoxOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 816 | Tcl_Obj *const *objv) |
---|
[1429] | 817 | { |
---|
| 818 | Tcl_ObjCmdProc *proc; |
---|
| 819 | proc = Rappture::GetOpFromObj(interp, nFlowBoxOps, flowBoxOps, |
---|
[2875] | 820 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
---|
[1429] | 821 | if (proc == NULL) { |
---|
[2875] | 822 | return TCL_ERROR; |
---|
[1429] | 823 | } |
---|
[3597] | 824 | Flow *flow = (Flow *)clientData; |
---|
| 825 | Tcl_Preserve(flow); |
---|
[1429] | 826 | int result; |
---|
| 827 | result = (*proc) (clientData, interp, objc, objv); |
---|
[3597] | 828 | Tcl_Release(flow); |
---|
[1429] | 829 | return result; |
---|
| 830 | } |
---|
| 831 | |
---|
| 832 | /* |
---|
[1474] | 833 | * CLIENT COMMAND: |
---|
| 834 | * $flow legend <width> <height> |
---|
| 835 | * |
---|
| 836 | * Clients use this to generate a legend image for the specified |
---|
| 837 | * transfer function. The legend image is a color gradient from 0 |
---|
| 838 | * to one, drawn in the given transfer function. The resulting image |
---|
| 839 | * is returned in the size <width> x <height>. |
---|
| 840 | */ |
---|
| 841 | static int |
---|
| 842 | FlowLegendOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 843 | Tcl_Obj *const *objv) |
---|
[1474] | 844 | { |
---|
[3597] | 845 | Flow *flow = (Flow *)clientData; |
---|
[1474] | 846 | |
---|
| 847 | const char *string = Tcl_GetString(objv[1]); |
---|
| 848 | TransferFunction *tf; |
---|
[3597] | 849 | tf = flow->getTransferFunction(); |
---|
[1474] | 850 | if (tf == NULL) { |
---|
| 851 | Tcl_AppendResult(interp, "unknown transfer function \"", string, "\"", |
---|
[2875] | 852 | (char*)NULL); |
---|
[1474] | 853 | return TCL_ERROR; |
---|
| 854 | } |
---|
| 855 | const char *label; |
---|
| 856 | label = Tcl_GetString(objv[0]); |
---|
| 857 | int w, h; |
---|
| 858 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
| 859 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
| 860 | return TCL_ERROR; |
---|
| 861 | } |
---|
[3630] | 862 | if (Flow::updatePending) { |
---|
[3935] | 863 | NanoVis::setFlowRanges(); |
---|
[1474] | 864 | } |
---|
[3630] | 865 | NanoVis::renderLegend(tf, Flow::magMin, Flow::magMax, w, h, label); |
---|
[1474] | 866 | return TCL_OK; |
---|
| 867 | } |
---|
| 868 | |
---|
[1429] | 869 | static Rappture::CmdSpec flowInstOps[] = { |
---|
| 870 | {"box", 1, FlowBoxOp, 2, 0, "oper ?args?"}, |
---|
| 871 | {"configure", 1, FlowConfigureOp, 2, 0, "?switches?"}, |
---|
[2875] | 872 | {"data", 1, FlowDataOp, 2, 0, "oper ?args?"}, |
---|
[1474] | 873 | {"legend", 1, FlowLegendOp, 4, 4, "w h"}, |
---|
[1429] | 874 | {"particles", 1, FlowParticlesOp, 2, 0, "oper ?args?"} |
---|
| 875 | }; |
---|
| 876 | static int nFlowInstOps = NumCmdSpecs(flowInstOps); |
---|
| 877 | |
---|
[2875] | 878 | /** |
---|
| 879 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 880 | * object. |
---|
| 881 | * |
---|
| 882 | * Side effects: See the user documentation. |
---|
| 883 | * |
---|
| 884 | * \return A standard Tcl result. |
---|
| 885 | */ |
---|
[3597] | 886 | int |
---|
[3611] | 887 | nv::FlowInstObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
| 888 | Tcl_Obj *const *objv) |
---|
[1429] | 889 | { |
---|
| 890 | Tcl_ObjCmdProc *proc; |
---|
| 891 | proc = Rappture::GetOpFromObj(interp, nFlowInstOps, flowInstOps, |
---|
[2875] | 892 | Rappture::CMDSPEC_ARG1, objc, objv, 0); |
---|
[1429] | 893 | if (proc == NULL) { |
---|
[2875] | 894 | return TCL_ERROR; |
---|
[1429] | 895 | } |
---|
| 896 | assert(CheckGL(AT)); |
---|
[3597] | 897 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 898 | Tcl_Preserve(flow); |
---|
| 899 | int result = (*proc) (clientData, interp, objc, objv); |
---|
| 900 | Tcl_Release(flow); |
---|
[1429] | 901 | return result; |
---|
| 902 | } |
---|
| 903 | |
---|
[2875] | 904 | /** |
---|
[3567] | 905 | * \brief Deletes the command associated with the flow |
---|
[1429] | 906 | * |
---|
[3567] | 907 | * This is called only when the command associated with the flow is destroyed. |
---|
[1429] | 908 | */ |
---|
[3597] | 909 | void |
---|
[3611] | 910 | nv::FlowInstDeleteProc(ClientData clientData) |
---|
[1429] | 911 | { |
---|
[3597] | 912 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 913 | NanoVis::deleteFlow(flow->name()); |
---|
[1429] | 914 | } |
---|
| 915 | |
---|
| 916 | static int |
---|
| 917 | FlowAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 918 | Tcl_Obj *const *objv) |
---|
[1429] | 919 | { |
---|
[3567] | 920 | const char *name = Tcl_GetString(objv[2]); |
---|
| 921 | Tcl_CmdInfo cmdInfo; |
---|
| 922 | if (Tcl_GetCommandInfo(interp, name, &cmdInfo)) { |
---|
| 923 | Tcl_AppendResult(interp, "an another command \"", name, |
---|
| 924 | "\" already exists.", (char *)NULL); |
---|
[3576] | 925 | return TCL_ERROR; |
---|
[1429] | 926 | } |
---|
[3597] | 927 | Flow *flow = NanoVis::createFlow(interp, name); |
---|
[3567] | 928 | if (flow == NULL) { |
---|
| 929 | Tcl_AppendResult(interp, "Flow \"", name, "\" already exists", |
---|
| 930 | (char*)NULL); |
---|
[2875] | 931 | return TCL_ERROR; |
---|
[1429] | 932 | } |
---|
[3567] | 933 | if (flow->parseSwitches(interp, objc - 3, objv + 3) != TCL_OK) { |
---|
| 934 | Tcl_DeleteCommand(interp, flow->name()); |
---|
[2875] | 935 | return TCL_ERROR; |
---|
[1429] | 936 | } |
---|
| 937 | Tcl_SetObjResult(interp, objv[2]); |
---|
[2877] | 938 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 939 | return TCL_OK; |
---|
| 940 | } |
---|
| 941 | |
---|
| 942 | static int |
---|
| 943 | FlowDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 944 | Tcl_Obj *const *objv) |
---|
[1429] | 945 | { |
---|
[3567] | 946 | for (int i = 2; i < objc; i++) { |
---|
[3597] | 947 | Flow *flow = NanoVis::getFlow(Tcl_GetString(objv[i])); |
---|
[3567] | 948 | if (flow != NULL) { |
---|
| 949 | Tcl_DeleteCommandFromToken(interp, flow->getCommandToken()); |
---|
[2875] | 950 | } |
---|
[1429] | 951 | } |
---|
[3630] | 952 | Flow::updatePending = true; |
---|
| 953 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 954 | return TCL_OK; |
---|
| 955 | } |
---|
| 956 | |
---|
[1431] | 957 | static int |
---|
| 958 | FlowExistsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 959 | Tcl_Obj *const *objv) |
---|
[1431] | 960 | { |
---|
[3567] | 961 | bool value = false; |
---|
[3597] | 962 | Flow *flow = NanoVis::getFlow(Tcl_GetString(objv[2])); |
---|
[3567] | 963 | if (flow != NULL) { |
---|
[2875] | 964 | value = true; |
---|
[1431] | 965 | } |
---|
| 966 | Tcl_SetBooleanObj(Tcl_GetObjResult(interp), (int)value); |
---|
| 967 | return TCL_OK; |
---|
| 968 | } |
---|
| 969 | |
---|
[2875] | 970 | /** |
---|
| 971 | * \brief flow goto number |
---|
[1467] | 972 | */ |
---|
| 973 | static int |
---|
| 974 | FlowGotoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 975 | Tcl_Obj *const *objv) |
---|
[1467] | 976 | { |
---|
| 977 | int nSteps; |
---|
| 978 | if (Tcl_GetIntFromObj(interp, objv[2], &nSteps) != TCL_OK) { |
---|
| 979 | return TCL_ERROR; |
---|
| 980 | } |
---|
| 981 | if ((nSteps < 0) || (nSteps > SHRT_MAX)) { |
---|
[2875] | 982 | Tcl_AppendResult(interp, "flow goto: bad # of steps \"", |
---|
| 983 | Tcl_GetString(objv[2]), "\"", (char *)NULL); |
---|
| 984 | return TCL_ERROR; |
---|
[1467] | 985 | } |
---|
[3566] | 986 | NanoVis::resetFlows(); |
---|
[3630] | 987 | if (Flow::updatePending) { |
---|
[3935] | 988 | NanoVis::setFlowRanges(); |
---|
[1467] | 989 | } |
---|
[3567] | 990 | for (int i = 0; i < nSteps; i++) { |
---|
[3630] | 991 | NanoVis::licRenderer->convolve(); |
---|
[3566] | 992 | NanoVis::advectFlows(); |
---|
[1467] | 993 | } |
---|
[2877] | 994 | NanoVis::eventuallyRedraw(); |
---|
[1467] | 995 | return TCL_OK; |
---|
| 996 | } |
---|
| 997 | |
---|
[1429] | 998 | static int |
---|
| 999 | FlowNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1000 | Tcl_Obj *const *objv) |
---|
[1429] | 1001 | { |
---|
| 1002 | Tcl_Obj *listObjPtr; |
---|
| 1003 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
[3567] | 1004 | for (NanoVis::FlowHashmap::iterator itr = NanoVis::flowTable.begin(); |
---|
| 1005 | itr != NanoVis::flowTable.end(); ++itr) { |
---|
[3597] | 1006 | Flow *flow = itr->second; |
---|
[3567] | 1007 | Tcl_Obj *objPtr = Tcl_NewStringObj(flow->name(), -1); |
---|
[2875] | 1008 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 1009 | } |
---|
| 1010 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 1011 | return TCL_OK; |
---|
| 1012 | } |
---|
| 1013 | |
---|
| 1014 | static int |
---|
| 1015 | FlowNextOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1016 | Tcl_Obj *const *objv) |
---|
[1429] | 1017 | { |
---|
| 1018 | assert(NanoVis::licRenderer != NULL); |
---|
[3630] | 1019 | if (Flow::updatePending) { |
---|
[3935] | 1020 | NanoVis::setFlowRanges(); |
---|
[1429] | 1021 | } |
---|
| 1022 | NanoVis::licRenderer->convolve(); |
---|
[3566] | 1023 | NanoVis::advectFlows(); |
---|
[3630] | 1024 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 1025 | return TCL_OK; |
---|
| 1026 | } |
---|
| 1027 | |
---|
| 1028 | static int |
---|
| 1029 | FlowResetOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1030 | Tcl_Obj *const *objv) |
---|
[1429] | 1031 | { |
---|
[3566] | 1032 | NanoVis::resetFlows(); |
---|
[1429] | 1033 | return TCL_OK; |
---|
| 1034 | } |
---|
| 1035 | |
---|
[3598] | 1036 | #ifdef HAVE_FFMPEG |
---|
| 1037 | |
---|
[2875] | 1038 | /** |
---|
| 1039 | * \brief Convert a Tcl_Obj representing the video format into its |
---|
| 1040 | * integer id. |
---|
[2070] | 1041 | * |
---|
[2875] | 1042 | * \param clientData Not used |
---|
| 1043 | * \param interp Interpreter to send results back to |
---|
| 1044 | * \param switchName Not used |
---|
| 1045 | * \param objPtr String representation |
---|
| 1046 | * \param record Structure record |
---|
| 1047 | * \param offset Not used |
---|
| 1048 | * \param flags Not used |
---|
[2070] | 1049 | * |
---|
[2875] | 1050 | * \return The return value is a standard Tcl result. |
---|
[2070] | 1051 | */ |
---|
| 1052 | static int |
---|
[2875] | 1053 | VideoFormatSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 1054 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 1055 | char *record, int offset, int flags) |
---|
[2070] | 1056 | { |
---|
[3559] | 1057 | Tcl_Obj **formatObjPtr = (Tcl_Obj **)(record + offset); |
---|
| 1058 | Tcl_Obj *fmtObjPtr; |
---|
[2070] | 1059 | const char *string; |
---|
| 1060 | char c; |
---|
[3559] | 1061 | int length; |
---|
[2070] | 1062 | |
---|
[3559] | 1063 | string = Tcl_GetStringFromObj(objPtr, &length); |
---|
[2070] | 1064 | c = string[0]; |
---|
[3559] | 1065 | if ((c == 'm') && (length > 1) && |
---|
| 1066 | (strncmp(string, "mpeg", length) == 0)) { |
---|
| 1067 | fmtObjPtr = Tcl_NewStringObj("mpeg1video", 10); |
---|
| 1068 | } else if ((c == 't') && (strncmp(string, "theora", length) == 0)) { |
---|
| 1069 | fmtObjPtr = Tcl_NewStringObj("theora", 6); |
---|
| 1070 | } else if ((c == 'm') && (length > 1) && |
---|
| 1071 | (strncmp(string, "mov", length) == 0)) { |
---|
| 1072 | fmtObjPtr = Tcl_NewStringObj("mov", 3); |
---|
[2070] | 1073 | } else { |
---|
[2875] | 1074 | Tcl_AppendResult(interp, "bad video format \"", string, |
---|
| 1075 | "\": should be mpeg, theora, or mov", (char*)NULL); |
---|
[3559] | 1076 | return TCL_ERROR; |
---|
[2070] | 1077 | } |
---|
[3559] | 1078 | if (*formatObjPtr != NULL) { |
---|
| 1079 | Tcl_DecrRefCount(*formatObjPtr); |
---|
| 1080 | } |
---|
| 1081 | Tcl_IncrRefCount(fmtObjPtr); |
---|
| 1082 | *formatObjPtr = fmtObjPtr; |
---|
| 1083 | return TCL_OK; |
---|
[2070] | 1084 | } |
---|
| 1085 | |
---|
[3559] | 1086 | struct FlowVideoSwitches { |
---|
[2875] | 1087 | float frameRate; /**< Frame rate */ |
---|
| 1088 | int bitRate; /**< Video bitrate */ |
---|
| 1089 | int width, height; /**< Dimensions of video frame. */ |
---|
[3559] | 1090 | int numFrames; |
---|
| 1091 | Tcl_Obj *formatObjPtr; |
---|
[1515] | 1092 | }; |
---|
| 1093 | |
---|
| 1094 | static Rappture::SwitchParseProc VideoFormatSwitchProc; |
---|
| 1095 | static Rappture::SwitchCustom videoFormatSwitch = { |
---|
| 1096 | VideoFormatSwitchProc, NULL, 0, |
---|
| 1097 | }; |
---|
| 1098 | |
---|
[3597] | 1099 | static Rappture::SwitchSpec flowVideoSwitches[] = { |
---|
[2810] | 1100 | {Rappture::SWITCH_INT, "-bitrate", "value", |
---|
[3559] | 1101 | offsetof(FlowVideoSwitches, bitRate), 0}, |
---|
[1515] | 1102 | {Rappture::SWITCH_CUSTOM, "-format", "string", |
---|
[3559] | 1103 | offsetof(FlowVideoSwitches, formatObjPtr), 0, 0, &videoFormatSwitch}, |
---|
[1515] | 1104 | {Rappture::SWITCH_FLOAT, "-framerate", "value", |
---|
[3559] | 1105 | offsetof(FlowVideoSwitches, frameRate), 0}, |
---|
[1515] | 1106 | {Rappture::SWITCH_INT, "-height", "integer", |
---|
[3559] | 1107 | offsetof(FlowVideoSwitches, height), 0}, |
---|
[1515] | 1108 | {Rappture::SWITCH_INT, "-numframes", "count", |
---|
[3559] | 1109 | offsetof(FlowVideoSwitches, numFrames), 0}, |
---|
[1515] | 1110 | {Rappture::SWITCH_INT, "-width", "integer", |
---|
[3559] | 1111 | offsetof(FlowVideoSwitches, width), 0}, |
---|
[1515] | 1112 | {Rappture::SWITCH_END} |
---|
| 1113 | }; |
---|
| 1114 | |
---|
[3608] | 1115 | static bool |
---|
| 1116 | MakeImageFiles(char *tmpFileName, |
---|
| 1117 | int width, int height, int numFrames, |
---|
| 1118 | bool *cancelPtr) |
---|
[3559] | 1119 | { |
---|
| 1120 | struct pollfd pollResults; |
---|
[3605] | 1121 | pollResults.fd = fileno(nv::g_fIn); |
---|
[3559] | 1122 | pollResults.events = POLLIN; |
---|
| 1123 | #define PENDING_TIMEOUT 10 /* milliseconds. */ |
---|
| 1124 | int timeout = PENDING_TIMEOUT; |
---|
| 1125 | |
---|
[1508] | 1126 | int oldWidth, oldHeight; |
---|
[2877] | 1127 | oldWidth = NanoVis::winWidth; |
---|
| 1128 | oldHeight = NanoVis::winHeight; |
---|
[1429] | 1129 | |
---|
[3608] | 1130 | if (width != oldWidth || |
---|
| 1131 | height != oldHeight) { |
---|
[2875] | 1132 | // Resize to the requested size. |
---|
[3608] | 1133 | NanoVis::resizeOffscreenBuffer(width, height); |
---|
[1505] | 1134 | } |
---|
[3577] | 1135 | NanoVis::resetFlows(); |
---|
[3559] | 1136 | *cancelPtr = false; |
---|
[3608] | 1137 | bool result = true; |
---|
[3559] | 1138 | size_t length = strlen(tmpFileName); |
---|
[3608] | 1139 | for (int i = 1; i <= numFrames; i++) { |
---|
[3559] | 1140 | if (((i & 0xF) == 0) && (poll(&pollResults, 1, timeout) > 0)) { |
---|
[2875] | 1141 | /* If there's another command on stdin, that means the client is |
---|
| 1142 | * trying to cancel this operation. */ |
---|
[3559] | 1143 | *cancelPtr = true; |
---|
[2875] | 1144 | break; |
---|
| 1145 | } |
---|
[3630] | 1146 | |
---|
| 1147 | NanoVis::licRenderer->convolve(); |
---|
[3577] | 1148 | NanoVis::advectFlows(); |
---|
[2930] | 1149 | |
---|
| 1150 | int fboOrig; |
---|
| 1151 | glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fboOrig); |
---|
| 1152 | |
---|
| 1153 | NanoVis::bindOffscreenBuffer(); |
---|
[3497] | 1154 | NanoVis::render(); |
---|
[2877] | 1155 | NanoVis::readScreen(); |
---|
[2930] | 1156 | |
---|
| 1157 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboOrig); |
---|
| 1158 | |
---|
[3559] | 1159 | sprintf(tmpFileName + length, "/image%d.ppm", i); |
---|
[3605] | 1160 | result = nv::writePPMFile(tmpFileName, NanoVis::screenBuffer, |
---|
[3608] | 1161 | width, height); |
---|
| 1162 | if (!result) { |
---|
[3559] | 1163 | break; |
---|
| 1164 | } |
---|
[1429] | 1165 | } |
---|
[3608] | 1166 | if (width != oldWidth || |
---|
| 1167 | height != oldHeight) { |
---|
[3559] | 1168 | NanoVis::resizeOffscreenBuffer(oldWidth, oldHeight); |
---|
| 1169 | } |
---|
| 1170 | tmpFileName[length] = '\0'; |
---|
[3577] | 1171 | NanoVis::resetFlows(); |
---|
[3559] | 1172 | return result; |
---|
| 1173 | } |
---|
[1522] | 1174 | |
---|
[3559] | 1175 | static int |
---|
| 1176 | MakeMovie(Tcl_Interp *interp, char *tmpFileName, const char *token, |
---|
| 1177 | FlowVideoSwitches *switchesPtr) |
---|
| 1178 | { |
---|
| 1179 | #ifndef FFMPEG |
---|
| 1180 | # define FFMPEG "/usr/bin/ffmpeg" |
---|
| 1181 | #endif |
---|
| 1182 | /* Generate the movie from the frame images by exec-ing ffmpeg */ |
---|
| 1183 | /* The ffmpeg command is |
---|
| 1184 | * ffmpeg -f image2 -i /var/tmp/xxxxx/image%d.ppm \ |
---|
| 1185 | * -b bitrate -f framerate /var/tmp/xxxxx/movie.mpeg |
---|
| 1186 | */ |
---|
| 1187 | char cmd[BUFSIZ]; |
---|
[3579] | 1188 | sprintf(cmd, "%s -f image2 -i %s/image%%d.ppm -f %s -b %d -r %f -", |
---|
[3559] | 1189 | FFMPEG, tmpFileName, Tcl_GetString(switchesPtr->formatObjPtr), |
---|
| 1190 | switchesPtr->bitRate, switchesPtr->frameRate); |
---|
[3578] | 1191 | TRACE("Enter: %s", cmd); |
---|
[3559] | 1192 | FILE *f; |
---|
| 1193 | f = popen(cmd, "r"); |
---|
| 1194 | if (f == NULL) { |
---|
| 1195 | Tcl_AppendResult(interp, "can't run ffmpeg: ", |
---|
| 1196 | Tcl_PosixError(interp), (char *)NULL); |
---|
| 1197 | return TCL_ERROR; |
---|
| 1198 | } |
---|
| 1199 | Rappture::Buffer data; |
---|
| 1200 | size_t total = 0; |
---|
| 1201 | for (;;) { |
---|
| 1202 | ssize_t numRead; |
---|
| 1203 | char buffer[BUFSIZ]; |
---|
| 1204 | |
---|
| 1205 | numRead = fread(buffer, sizeof(unsigned char), BUFSIZ, f); |
---|
| 1206 | total += numRead; |
---|
| 1207 | if (numRead == 0) { // EOF |
---|
| 1208 | break; |
---|
| 1209 | } |
---|
| 1210 | if (numRead < 0) { // Error |
---|
[3578] | 1211 | ERROR("Can't read movie data: %s", |
---|
[3559] | 1212 | Tcl_PosixError(interp)); |
---|
| 1213 | Tcl_AppendResult(interp, "can't read movie data: ", |
---|
| 1214 | Tcl_PosixError(interp), (char *)NULL); |
---|
[2875] | 1215 | return TCL_ERROR; |
---|
| 1216 | } |
---|
[3559] | 1217 | if (!data.append(buffer, numRead)) { |
---|
[3578] | 1218 | ERROR("Can't append movie data to buffer %d bytes", |
---|
[3559] | 1219 | numRead); |
---|
| 1220 | Tcl_AppendResult(interp, "can't append movie data to buffer", |
---|
| 1221 | (char *)NULL); |
---|
| 1222 | return TCL_ERROR; |
---|
| 1223 | } |
---|
| 1224 | } |
---|
[3578] | 1225 | if (data.size() == 0) { |
---|
| 1226 | ERROR("ffmpeg returned 0 bytes"); |
---|
| 1227 | } |
---|
[3584] | 1228 | // Send zero length to client so it can deal with error |
---|
| 1229 | sprintf(cmd,"nv>image -type movie -token \"%s\" -bytes %lu\n", |
---|
| 1230 | token, (unsigned long)data.size()); |
---|
[3605] | 1231 | nv::sendDataToClient(cmd, data.bytes(), data.size()); |
---|
[3584] | 1232 | return TCL_OK; |
---|
[3559] | 1233 | } |
---|
[1429] | 1234 | |
---|
[3559] | 1235 | static int |
---|
| 1236 | FlowVideoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
| 1237 | Tcl_Obj *const *objv) |
---|
| 1238 | { |
---|
| 1239 | FlowVideoSwitches switches; |
---|
| 1240 | const char *token; |
---|
| 1241 | |
---|
| 1242 | token = Tcl_GetString(objv[2]); |
---|
| 1243 | switches.frameRate = 25.0f; // Default frame rate 25 fps |
---|
| 1244 | switches.bitRate = 6000000; // Default video bit rate. |
---|
| 1245 | switches.width = NanoVis::winWidth; |
---|
| 1246 | switches.height = NanoVis::winHeight; |
---|
| 1247 | switches.numFrames = 100; |
---|
| 1248 | switches.formatObjPtr = Tcl_NewStringObj("mpeg1video", 10); |
---|
| 1249 | Tcl_IncrRefCount(switches.formatObjPtr); |
---|
[3597] | 1250 | if (Rappture::ParseSwitches(interp, flowVideoSwitches, |
---|
[3559] | 1251 | objc - 3, objv + 3, &switches, SWITCH_DEFAULTS) < 0) { |
---|
| 1252 | return TCL_ERROR; |
---|
[1429] | 1253 | } |
---|
[3559] | 1254 | if ((switches.width < 0) || (switches.width > SHRT_MAX) || |
---|
| 1255 | (switches.height < 0) || (switches.height > SHRT_MAX)) { |
---|
| 1256 | Tcl_AppendResult(interp, "bad dimensions for video", (char *)NULL); |
---|
| 1257 | return TCL_ERROR; |
---|
[1501] | 1258 | } |
---|
[3559] | 1259 | if ((switches.frameRate < 0.0f) || (switches.frameRate > 30.0f)) { |
---|
| 1260 | Tcl_AppendResult(interp, "bad frame rate.", (char *)NULL); |
---|
[2875] | 1261 | return TCL_ERROR; |
---|
[1429] | 1262 | } |
---|
[3559] | 1263 | if (switches.bitRate < 0) { |
---|
| 1264 | Tcl_AppendResult(interp, "bad bit rate.", (char *)NULL); |
---|
| 1265 | return TCL_ERROR; |
---|
| 1266 | } |
---|
| 1267 | if (NanoVis::licRenderer == NULL) { |
---|
| 1268 | Tcl_AppendResult(interp, "no lic renderer.", (char *)NULL); |
---|
| 1269 | return TCL_ERROR; |
---|
| 1270 | } |
---|
| 1271 | TRACE("FLOW started"); |
---|
| 1272 | |
---|
| 1273 | char *tmpFileName; |
---|
| 1274 | char nameTemplate[200]; |
---|
| 1275 | strcpy(nameTemplate,"/var/tmp/flowXXXXXX"); |
---|
| 1276 | tmpFileName = mkdtemp(nameTemplate); |
---|
| 1277 | int result = TCL_OK; |
---|
| 1278 | if (tmpFileName == NULL) { |
---|
| 1279 | Tcl_AppendResult(interp, "can't create temporary directory \"", |
---|
| 1280 | nameTemplate, "\" for frame image files: ", |
---|
| 1281 | Tcl_PosixError(interp), (char *)NULL); |
---|
| 1282 | return TCL_ERROR; |
---|
| 1283 | } |
---|
| 1284 | size_t length = strlen(tmpFileName); |
---|
| 1285 | bool canceled = false; |
---|
[3608] | 1286 | if (MakeImageFiles(tmpFileName, |
---|
| 1287 | switches.width, switches.height, switches.numFrames, |
---|
| 1288 | &canceled)) { |
---|
| 1289 | result = TCL_OK; |
---|
| 1290 | } else { |
---|
| 1291 | result = TCL_ERROR; |
---|
| 1292 | } |
---|
[3559] | 1293 | if ((result == TCL_OK) && (!canceled)) { |
---|
| 1294 | result = MakeMovie(interp, tmpFileName, token, &switches); |
---|
| 1295 | } |
---|
| 1296 | for (int i = 1; i <= switches.numFrames; i++) { |
---|
| 1297 | sprintf(tmpFileName + length, "/image%d.ppm", i); |
---|
| 1298 | unlink(tmpFileName); |
---|
[3605] | 1299 | } |
---|
[3559] | 1300 | tmpFileName[length] = '\0'; |
---|
| 1301 | rmdir(tmpFileName); |
---|
[3597] | 1302 | Rappture::FreeSwitches(flowVideoSwitches, &switches, 0); |
---|
[3559] | 1303 | return result; |
---|
[1429] | 1304 | } |
---|
[2070] | 1305 | #else |
---|
[2875] | 1306 | /** |
---|
| 1307 | * Not implemented |
---|
| 1308 | */ |
---|
[2070] | 1309 | static int |
---|
| 1310 | FlowVideoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1311 | Tcl_Obj *const *objv) |
---|
[2070] | 1312 | { |
---|
[2875] | 1313 | return TCL_OK; |
---|
[2070] | 1314 | } |
---|
[2875] | 1315 | #endif /* HAVE_FFMPEG */ |
---|
[1429] | 1316 | |
---|
| 1317 | static Rappture::CmdSpec flowCmdOps[] = { |
---|
| 1318 | {"add", 1, FlowAddOp, 3, 0, "name ?option value...?",}, |
---|
[3567] | 1319 | {"delete", 1, FlowDeleteOp, 3, 0, "name ?name...?",}, |
---|
[1431] | 1320 | {"exists", 1, FlowExistsOp, 3, 3, "name",}, |
---|
[1467] | 1321 | {"goto", 1, FlowGotoOp, 3, 3, "nSteps",}, |
---|
[3567] | 1322 | {"names", 1, FlowNamesOp, 2, 2, "",}, |
---|
[1429] | 1323 | {"next", 2, FlowNextOp, 2, 2, "",}, |
---|
| 1324 | {"reset", 1, FlowResetOp, 2, 2, "",}, |
---|
[1517] | 1325 | {"video", 1, FlowVideoOp, 3, 0, "token ?switches...?",}, |
---|
[1429] | 1326 | }; |
---|
| 1327 | static int nFlowCmdOps = NumCmdSpecs(flowCmdOps); |
---|
| 1328 | |
---|
| 1329 | static int |
---|
| 1330 | FlowCmdProc(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1331 | Tcl_Obj *const *objv) |
---|
[1429] | 1332 | { |
---|
| 1333 | Tcl_ObjCmdProc *proc; |
---|
| 1334 | |
---|
| 1335 | proc = Rappture::GetOpFromObj(interp, nFlowCmdOps, flowCmdOps, |
---|
[2875] | 1336 | Rappture::CMDSPEC_ARG1, objc, objv, 0); |
---|
[1429] | 1337 | if (proc == NULL) { |
---|
[2875] | 1338 | return TCL_ERROR; |
---|
[1429] | 1339 | } |
---|
| 1340 | return (*proc) (clientData, interp, objc, objv); |
---|
| 1341 | } |
---|
| 1342 | |
---|
[2875] | 1343 | /** |
---|
[3567] | 1344 | *\brief This procedure is invoked to initialize the "flow" command. |
---|
[1429] | 1345 | * |
---|
| 1346 | * Side effects: |
---|
[2875] | 1347 | * Creates the new command and adds a new entry into a global Tcl |
---|
| 1348 | * associative array. |
---|
[1429] | 1349 | */ |
---|
[3605] | 1350 | void |
---|
[3611] | 1351 | nv::FlowCmdInitProc(Tcl_Interp *interp, ClientData clientData) |
---|
[1429] | 1352 | { |
---|
[3605] | 1353 | Tcl_CreateObjCommand(interp, "flow", FlowCmdProc, clientData, NULL); |
---|
[1429] | 1354 | } |
---|