[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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[4612] | 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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[1429] | 27 | #include "nanovis.h" |
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[3567] | 28 | #include "CmdProc.h" |
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[4612] | 29 | #include "Command.h" |
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[2831] | 30 | #include "FlowCmd.h" |
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[3567] | 31 | #include "FlowTypes.h" |
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[4612] | 32 | #include "Flow.h" |
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[3567] | 33 | #include "FlowBox.h" |
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| 34 | #include "FlowParticles.h" |
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[2831] | 35 | #include "Switch.h" |
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| 36 | #include "TransferFunction.h" |
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[1429] | 37 | #include "NvLIC.h" |
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| 38 | #include "Unirect.h" |
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[2831] | 39 | #include "VelocityArrowsSlice.h" |
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[2877] | 40 | #include "Volume.h" |
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[4612] | 41 | #include "Trace.h" |
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[1429] | 42 | |
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[3492] | 43 | using namespace vrmath; |
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| 44 | |
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[1429] | 45 | static Rappture::SwitchParseProc AxisSwitchProc; |
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| 46 | static Rappture::SwitchCustom axisSwitch = { |
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| 47 | AxisSwitchProc, NULL, 0, |
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| 48 | }; |
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| 49 | |
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| 50 | static Rappture::SwitchParseProc ColorSwitchProc; |
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| 51 | static Rappture::SwitchCustom colorSwitch = { |
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| 52 | ColorSwitchProc, NULL, 0, |
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| 53 | }; |
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| 54 | |
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| 55 | static Rappture::SwitchParseProc PointSwitchProc; |
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| 56 | static Rappture::SwitchCustom pointSwitch = { |
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| 57 | PointSwitchProc, NULL, 0, |
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| 58 | }; |
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| 59 | |
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| 60 | static Rappture::SwitchParseProc PositionSwitchProc; |
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| 61 | static Rappture::SwitchCustom positionSwitch = { |
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| 62 | PositionSwitchProc, NULL, 0, |
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| 63 | }; |
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| 64 | |
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| 65 | static Rappture::SwitchParseProc TransferFunctionSwitchProc; |
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| 66 | static Rappture::SwitchCustom transferFunctionSwitch = { |
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| 67 | TransferFunctionSwitchProc, NULL, 0, |
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| 68 | }; |
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| 69 | |
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[4612] | 70 | Rappture::SwitchSpec Flow::_switches[] = { |
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[3362] | 71 | {Rappture::SWITCH_FLOAT, "-ambient", "value", |
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| 72 | offsetof(FlowValues, ambient), 0}, |
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[1493] | 73 | {Rappture::SWITCH_BOOLEAN, "-arrows", "boolean", |
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[2875] | 74 | offsetof(FlowValues, showArrows), 0}, |
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[1429] | 75 | {Rappture::SWITCH_CUSTOM, "-axis", "axis", |
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[2875] | 76 | offsetof(FlowValues, slicePos.axis), 0, 0, &axisSwitch}, |
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[1493] | 77 | {Rappture::SWITCH_FLOAT, "-diffuse", "value", |
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[2875] | 78 | offsetof(FlowValues, diffuse), 0}, |
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[1429] | 79 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 80 | offsetof(FlowValues, isHidden), 0}, |
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[3397] | 81 | {Rappture::SWITCH_BOOLEAN, "-light2side", "boolean", |
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| 82 | offsetof(FlowValues, twoSidedLighting), 0}, |
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[1493] | 83 | {Rappture::SWITCH_FLOAT, "-opacity", "value", |
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[2875] | 84 | offsetof(FlowValues, opacity), 0}, |
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[1493] | 85 | {Rappture::SWITCH_BOOLEAN, "-outline", "boolean", |
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[2875] | 86 | offsetof(FlowValues, showOutline), 0}, |
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[1429] | 87 | {Rappture::SWITCH_CUSTOM, "-position", "number", |
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[2875] | 88 | offsetof(FlowValues, slicePos), 0, 0, &positionSwitch}, |
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[1493] | 89 | {Rappture::SWITCH_BOOLEAN, "-slice", "boolean", |
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[2875] | 90 | offsetof(FlowValues, sliceVisible), 0}, |
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[3362] | 91 | {Rappture::SWITCH_FLOAT, "-specularExp", "value", |
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| 92 | offsetof(FlowValues, specularExp), 0}, |
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| 93 | {Rappture::SWITCH_FLOAT, "-specularLevel", "value", |
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[2875] | 94 | offsetof(FlowValues, specular), 0}, |
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[1429] | 95 | {Rappture::SWITCH_CUSTOM, "-transferfunction", "name", |
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[3567] | 96 | offsetof(FlowValues, transferFunction), 0, 0, &transferFunctionSwitch}, |
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[1429] | 97 | {Rappture::SWITCH_BOOLEAN, "-volume", "boolean", |
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[2875] | 98 | offsetof(FlowValues, showVolume), 0}, |
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[1429] | 99 | {Rappture::SWITCH_END} |
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| 100 | }; |
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| 101 | |
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| 102 | Rappture::SwitchSpec FlowParticles::_switches[] = { |
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| 103 | {Rappture::SWITCH_CUSTOM, "-axis", "string", |
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[2875] | 104 | offsetof(FlowParticlesValues, position.axis), 0, 0, &axisSwitch}, |
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[1429] | 105 | {Rappture::SWITCH_CUSTOM, "-color", "{r g b a}", |
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[2875] | 106 | offsetof(FlowParticlesValues, color), 0, 0, &colorSwitch}, |
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[1429] | 107 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 108 | offsetof(FlowParticlesValues, isHidden), 0}, |
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[1429] | 109 | {Rappture::SWITCH_CUSTOM, "-position", "number", |
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[2875] | 110 | offsetof(FlowParticlesValues, position), 0, 0, &positionSwitch}, |
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[1497] | 111 | {Rappture::SWITCH_FLOAT, "-size", "float", |
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[2875] | 112 | offsetof(FlowParticlesValues, particleSize), 0}, |
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[1429] | 113 | {Rappture::SWITCH_END} |
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| 114 | }; |
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| 115 | |
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| 116 | Rappture::SwitchSpec FlowBox::_switches[] = { |
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| 117 | {Rappture::SWITCH_CUSTOM, "-color", "{r g b a}", |
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[2875] | 118 | offsetof(FlowBoxValues, color), 0, 0, &colorSwitch}, |
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[1429] | 119 | {Rappture::SWITCH_CUSTOM, "-corner1", "{x y z}", |
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[2875] | 120 | offsetof(FlowBoxValues, corner1), 0, 0, &pointSwitch}, |
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[1429] | 121 | {Rappture::SWITCH_CUSTOM, "-corner2", "{x y z}", |
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[2875] | 122 | offsetof(FlowBoxValues, corner2), 0, 0, &pointSwitch}, |
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[1429] | 123 | {Rappture::SWITCH_BOOLEAN, "-hide", "boolean", |
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[2875] | 124 | offsetof(FlowBoxValues, isHidden), 0}, |
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[1429] | 125 | {Rappture::SWITCH_FLOAT, "-linewidth", "number", |
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[2875] | 126 | offsetof(FlowBoxValues, lineWidth), 0}, |
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[1429] | 127 | {Rappture::SWITCH_END} |
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| 128 | }; |
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| 129 | |
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| 130 | static int |
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| 131 | FlowDataFileOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 132 | Tcl_Obj *const *objv) |
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[1429] | 133 | { |
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| 134 | Rappture::Outcome result; |
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[3564] | 135 | |
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[1429] | 136 | const char *fileName; |
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| 137 | fileName = Tcl_GetString(objv[3]); |
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[3564] | 138 | TRACE("File: %s", fileName); |
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[1429] | 139 | |
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[1434] | 140 | int nComponents; |
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| 141 | if (Tcl_GetIntFromObj(interp, objv[4], &nComponents) != TCL_OK) { |
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[1429] | 142 | return TCL_ERROR; |
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| 143 | } |
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[1434] | 144 | if ((nComponents < 1) || (nComponents > 4)) { |
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[2875] | 145 | Tcl_AppendResult(interp, "bad # of components \"", |
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| 146 | Tcl_GetString(objv[4]), "\"", (char *)NULL); |
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| 147 | return TCL_ERROR; |
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[1429] | 148 | } |
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| 149 | Rappture::Buffer buf; |
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| 150 | if (!buf.load(result, fileName)) { |
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[2875] | 151 | Tcl_AppendResult(interp, "can't load data from \"", fileName, "\": ", |
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| 152 | result.remark(), (char *)NULL); |
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| 153 | return TCL_ERROR; |
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[1429] | 154 | } |
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| 155 | |
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[1510] | 156 | Rappture::Unirect3d *dataPtr; |
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| 157 | dataPtr = new Rappture::Unirect3d(nComponents); |
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[4612] | 158 | Flow *flow = (Flow *)clientData; |
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[1446] | 159 | size_t length = buf.size(); |
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| 160 | char *bytes = (char *)buf.bytes(); |
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| 161 | if ((length > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
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[2922] | 162 | if (!dataPtr->importDx(result, nComponents, length-4, bytes+4)) { |
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[2875] | 163 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 164 | delete dataPtr; |
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| 165 | return TCL_ERROR; |
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| 166 | } |
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[1462] | 167 | } else if ((length > 10) && (strncmp(bytes, "unirect3d ", 10) == 0)) { |
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[2922] | 168 | if (dataPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 169 | delete dataPtr; |
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| 170 | return TCL_ERROR; |
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| 171 | } |
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[1462] | 172 | } else if ((length > 10) && (strncmp(bytes, "unirect2d ", 10) == 0)) { |
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[2875] | 173 | Rappture::Unirect2d *u2dPtr; |
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| 174 | u2dPtr = new Rappture::Unirect2d(nComponents); |
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[2922] | 175 | if (u2dPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 176 | delete u2dPtr; |
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| 177 | return TCL_ERROR; |
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| 178 | } |
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[2922] | 179 | dataPtr->convert(u2dPtr); |
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[2875] | 180 | delete u2dPtr; |
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[1429] | 181 | } else { |
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[3564] | 182 | TRACE("header is %.14s", buf.bytes()); |
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[2922] | 183 | if (!dataPtr->importDx(result, nComponents, length, bytes)) { |
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[2875] | 184 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 185 | delete dataPtr; |
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| 186 | return TCL_ERROR; |
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| 187 | } |
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[1429] | 188 | } |
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[1510] | 189 | if (dataPtr->nValues() == 0) { |
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[2875] | 190 | delete dataPtr; |
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| 191 | Tcl_AppendResult(interp, "no data found in \"", fileName, "\"", |
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| 192 | (char *)NULL); |
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| 193 | return TCL_ERROR; |
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[1510] | 194 | } |
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[4612] | 195 | flow->data(dataPtr); |
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[2877] | 196 | NanoVis::eventuallyRedraw(NanoVis::MAP_FLOWS); |
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[1429] | 197 | return TCL_OK; |
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| 198 | } |
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| 199 | |
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[2875] | 200 | /** |
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[1434] | 201 | * $flow data follows nbytes nComponents |
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[1431] | 202 | */ |
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[1429] | 203 | static int |
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| 204 | FlowDataFollowsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 205 | Tcl_Obj *const *objv) |
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[1429] | 206 | { |
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| 207 | Rappture::Outcome result; |
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| 208 | |
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[3564] | 209 | TRACE("Enter"); |
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| 210 | |
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[1429] | 211 | int nBytes; |
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| 212 | if (Tcl_GetIntFromObj(interp, objv[3], &nBytes) != TCL_OK) { |
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[3452] | 213 | ERROR("Bad nBytes \"%s\"", Tcl_GetString(objv[3])); |
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[1429] | 214 | return TCL_ERROR; |
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| 215 | } |
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| 216 | if (nBytes <= 0) { |
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[2875] | 217 | Tcl_AppendResult(interp, "bad # bytes request \"", |
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| 218 | Tcl_GetString(objv[3]), "\" for \"data follows\"", (char *)NULL); |
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[3452] | 219 | ERROR("Bad nbytes %d", nBytes); |
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[2875] | 220 | return TCL_ERROR; |
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[1429] | 221 | } |
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[1434] | 222 | int nComponents; |
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| 223 | if (Tcl_GetIntFromObj(interp, objv[4], &nComponents) != TCL_OK) { |
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[3452] | 224 | ERROR("Bad # of components \"%s\"", Tcl_GetString(objv[4])); |
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[1429] | 225 | return TCL_ERROR; |
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| 226 | } |
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[1434] | 227 | if (nComponents <= 0) { |
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[2875] | 228 | Tcl_AppendResult(interp, "bad # of components request \"", |
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| 229 | Tcl_GetString(objv[4]), "\" for \"data follows\"", (char *)NULL); |
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[3452] | 230 | ERROR("Bad # of components %d", nComponents); |
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[2875] | 231 | return TCL_ERROR; |
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[1431] | 232 | } |
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[1429] | 233 | Rappture::Buffer buf; |
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[3564] | 234 | TRACE("Flow data loading bytes: %d components: %d", nBytes, nComponents); |
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[1429] | 235 | if (GetDataStream(interp, buf, nBytes) != TCL_OK) { |
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| 236 | return TCL_ERROR; |
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| 237 | } |
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[1478] | 238 | Rappture::Unirect3d *dataPtr; |
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| 239 | dataPtr = new Rappture::Unirect3d(nComponents); |
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| 240 | |
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[4612] | 241 | Flow *flow = (Flow *)clientData; |
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[1446] | 242 | size_t length = buf.size(); |
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| 243 | char *bytes = (char *)buf.bytes(); |
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| 244 | if ((length > 4) && (strncmp(bytes, "<DX>", 4) == 0)) { |
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[2922] | 245 | if (!dataPtr->importDx(result, nComponents, length - 4, bytes + 4)) { |
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[2875] | 246 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 247 | delete dataPtr; |
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| 248 | return TCL_ERROR; |
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| 249 | } |
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[1462] | 250 | } else if ((length > 10) && (strncmp(bytes, "unirect3d ", 10) == 0)) { |
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[2922] | 251 | if (dataPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 252 | delete dataPtr; |
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| 253 | return TCL_ERROR; |
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| 254 | } |
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[1462] | 255 | } else if ((length > 10) && (strncmp(bytes, "unirect2d ", 10) == 0)) { |
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[2875] | 256 | Rappture::Unirect2d *u2dPtr; |
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| 257 | u2dPtr = new Rappture::Unirect2d(nComponents); |
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[2922] | 258 | if (u2dPtr->parseBuffer(interp, buf) != TCL_OK) { |
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[2875] | 259 | delete u2dPtr; |
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| 260 | return TCL_ERROR; |
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| 261 | } |
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[2922] | 262 | dataPtr->convert(u2dPtr); |
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[2875] | 263 | delete u2dPtr; |
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[1429] | 264 | } else { |
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[3564] | 265 | TRACE("header is %.14s", buf.bytes()); |
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[2922] | 266 | if (!dataPtr->importDx(result, nComponents, length, bytes)) { |
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[2875] | 267 | Tcl_AppendResult(interp, result.remark(), (char *)NULL); |
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| 268 | delete dataPtr; |
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| 269 | return TCL_ERROR; |
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| 270 | } |
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[1429] | 271 | } |
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[1510] | 272 | if (dataPtr->nValues() == 0) { |
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[2875] | 273 | delete dataPtr; |
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| 274 | Tcl_AppendResult(interp, "no data found in stream", (char *)NULL); |
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| 275 | return TCL_ERROR; |
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[1510] | 276 | } |
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[3565] | 277 | TRACE("nx = %d ny = %d nz = %d", |
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| 278 | dataPtr->xNum(), dataPtr->yNum(), dataPtr->zNum()); |
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| 279 | TRACE("x0 = %lg y0 = %lg z0 = %lg", |
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| 280 | dataPtr->xMin(), dataPtr->yMin(), dataPtr->zMin()); |
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| 281 | TRACE("lx = %lg ly = %lg lz = %lg", |
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[3564] | 282 | dataPtr->xMax() - dataPtr->xMin(), |
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| 283 | dataPtr->yMax() - dataPtr->yMin(), |
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| 284 | dataPtr->zMax() - dataPtr->zMin()); |
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[3565] | 285 | TRACE("dx = %lg dy = %lg dz = %lg", |
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[3564] | 286 | dataPtr->xNum() > 1 ? (dataPtr->xMax() - dataPtr->xMin())/(dataPtr->xNum()-1) : 0, |
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| 287 | dataPtr->yNum() > 1 ? (dataPtr->yMax() - dataPtr->yMin())/(dataPtr->yNum()-1) : 0, |
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| 288 | dataPtr->zNum() > 1 ? (dataPtr->zMax() - dataPtr->zMin())/(dataPtr->zNum()-1) : 0); |
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[3565] | 289 | TRACE("magMin = %lg magMax = %lg", |
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[3564] | 290 | dataPtr->magMin(), dataPtr->magMax()); |
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[4612] | 291 | flow->data(dataPtr); |
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[1431] | 292 | { |
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| 293 | char info[1024]; |
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[2875] | 294 | ssize_t nWritten; |
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| 295 | size_t length; |
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[1431] | 296 | |
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[3476] | 297 | length = sprintf(info, "nv>data tag %s min %g max %g\n", |
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[4612] | 298 | flow->name(), dataPtr->magMin(), dataPtr->magMax()); |
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[2372] | 299 | nWritten = write(1, info, length); |
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[2875] | 300 | assert(nWritten == (ssize_t)strlen(info)); |
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[1431] | 301 | } |
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[2877] | 302 | NanoVis::eventuallyRedraw(NanoVis::MAP_FLOWS); |
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[1429] | 303 | return TCL_OK; |
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| 304 | } |
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| 305 | |
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| 306 | static Rappture::CmdSpec flowDataOps[] = { |
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[1434] | 307 | {"file", 2, FlowDataFileOp, 5, 5, "fileName nComponents",}, |
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| 308 | {"follows", 2, FlowDataFollowsOp, 5, 5, "size nComponents",}, |
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[1429] | 309 | }; |
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| 310 | static int nFlowDataOps = NumCmdSpecs(flowDataOps); |
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| 311 | |
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| 312 | static int |
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| 313 | FlowDataOp(ClientData clientData, Tcl_Interp *interp, int objc, |
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[2875] | 314 | Tcl_Obj *const *objv) |
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[1429] | 315 | { |
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| 316 | Tcl_ObjCmdProc *proc; |
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| 317 | |
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| 318 | proc = Rappture::GetOpFromObj(interp, nFlowDataOps, flowDataOps, |
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| 319 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
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| 320 | if (proc == NULL) { |
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| 321 | return TCL_ERROR; |
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| 322 | } |
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| 323 | return (*proc) (clientData, interp, objc, objv); |
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| 324 | } |
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| 325 | |
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[3567] | 326 | /** |
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[2875] | 327 | * \brief Convert a Tcl_Obj representing the label of a child node into its |
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| 328 | * integer node id. |
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[1429] | 329 | * |
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[2875] | 330 | * \param clientData Flag indicating if the node is considered before or |
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| 331 | * after the insertion position. |
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| 332 | * \param interp Interpreter to send results back to |
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| 333 | * \param switchName Not used |
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| 334 | * \param objPtr String representation |
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| 335 | * \param record Structure record |
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| 336 | * \param offset Not used |
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| 337 | * \param flags Not used |
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[1429] | 338 | * |
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[2875] | 339 | * \return The return value is a standard Tcl result. |
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[1429] | 340 | */ |
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| 341 | static int |
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[2875] | 342 | AxisSwitchProc(ClientData clientData, Tcl_Interp *interp, |
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| 343 | const char *switchName, Tcl_Obj *objPtr, |
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| 344 | char *record, int offset, int flags) |
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[1429] | 345 | { |
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| 346 | const char *string = Tcl_GetString(objPtr); |
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| 347 | if (string[1] == '\0') { |
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[4612] | 348 | Flow::SliceAxis *axisPtr = (Flow::SliceAxis *)(record + offset); |
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[1429] | 349 | char c; |
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| 350 | c = tolower((unsigned char)string[0]); |
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| 351 | if (c == 'x') { |
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[4612] | 352 | *axisPtr = Flow::AXIS_X; |
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[1429] | 353 | return TCL_OK; |
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| 354 | } else if (c == 'y') { |
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[4612] | 355 | *axisPtr = Flow::AXIS_Y; |
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[1429] | 356 | return TCL_OK; |
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| 357 | } else if (c == 'z') { |
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[4612] | 358 | *axisPtr = Flow::AXIS_Z; |
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[1429] | 359 | return TCL_OK; |
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| 360 | } |
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| 361 | /*FALLTHRU*/ |
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| 362 | } |
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| 363 | Tcl_AppendResult(interp, "bad axis \"", string, |
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| 364 | "\": should be x, y, or z", (char*)NULL); |
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| 365 | return TCL_ERROR; |
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| 366 | } |
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| 367 | |
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[2875] | 368 | /** |
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| 369 | * \brief Convert a Tcl_Obj representing the label of a list of four color |
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| 370 | * components in to a RGBA color value. |
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[1429] | 371 | * |
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[2875] | 372 | * \param clientData Flag indicating if the node is considered before or |
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| 373 | * after the insertion position. |
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| 374 | * \param interp Interpreter to send results back to |
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| 375 | * \param switchName Not used |
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| 376 | * \param objPtr String representation |
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| 377 | * \param record Structure record |
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| 378 | * \param offset Not used |
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| 379 | * \param flags Not used |
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| 380 | * |
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| 381 | * \return The return value is a standard Tcl result. |
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[1429] | 382 | */ |
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| 383 | static int |
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[2875] | 384 | ColorSwitchProc(ClientData clientData, Tcl_Interp *interp, |
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| 385 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 386 | char *record, int offset, int flags) |
---|
[1429] | 387 | { |
---|
| 388 | Tcl_Obj **objv; |
---|
| 389 | int objc; |
---|
[3567] | 390 | FlowColor *color = (FlowColor *)(record + offset); |
---|
[1429] | 391 | |
---|
| 392 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
---|
[2875] | 393 | return TCL_ERROR; |
---|
[1429] | 394 | } |
---|
| 395 | if ((objc < 3) || (objc > 4)) { |
---|
[2875] | 396 | Tcl_AppendResult(interp, "wrong # of elements in color definition", |
---|
| 397 | (char *)NULL); |
---|
| 398 | return TCL_ERROR; |
---|
[1429] | 399 | } |
---|
| 400 | float values[4]; |
---|
| 401 | int i; |
---|
| 402 | values[3] = 1.0f; |
---|
| 403 | for (i = 0; i < objc; i++) { |
---|
[2875] | 404 | float value; |
---|
[1429] | 405 | |
---|
[2875] | 406 | if (GetFloatFromObj(interp, objv[i], &value) != TCL_OK) { |
---|
| 407 | return TCL_ERROR; |
---|
| 408 | } |
---|
| 409 | if ((value < 0.0) || (value > 1.0)) { |
---|
| 410 | Tcl_AppendResult(interp, "bad component value in \"", |
---|
| 411 | Tcl_GetString(objPtr), "\": color values must be [0..1]", |
---|
| 412 | (char *)NULL); |
---|
| 413 | return TCL_ERROR; |
---|
| 414 | } |
---|
| 415 | values[i] = value; |
---|
| 416 | } |
---|
[3567] | 417 | color->r = values[0]; |
---|
| 418 | color->g = values[1]; |
---|
| 419 | color->b = values[2]; |
---|
| 420 | color->a = values[3]; |
---|
[1429] | 421 | return TCL_OK; |
---|
| 422 | } |
---|
| 423 | |
---|
[2875] | 424 | /** |
---|
| 425 | * \brief Convert a Tcl_Obj representing the a 3-D coordinate into a point. |
---|
[1429] | 426 | * |
---|
[2875] | 427 | * \param clientData Flag indicating if the node is considered before or |
---|
| 428 | * after the insertion position. |
---|
| 429 | * \param interp Interpreter to send results back to |
---|
| 430 | * \param switchName Not used |
---|
| 431 | * \param objPtr String representation |
---|
| 432 | * \param record Structure record |
---|
| 433 | * \param offset Not used |
---|
| 434 | * \param flags Not used |
---|
[1429] | 435 | * |
---|
[2875] | 436 | * \return The return value is a standard Tcl result. |
---|
[1429] | 437 | */ |
---|
| 438 | static int |
---|
[2875] | 439 | PointSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 440 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 441 | char *record, int offset, int flags) |
---|
[1429] | 442 | { |
---|
[3567] | 443 | FlowPoint *point = (FlowPoint *)(record + offset); |
---|
[1429] | 444 | int objc; |
---|
| 445 | Tcl_Obj **objv; |
---|
| 446 | |
---|
| 447 | if (Tcl_ListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { |
---|
[2875] | 448 | return TCL_ERROR; |
---|
[1429] | 449 | } |
---|
| 450 | if (objc != 3) { |
---|
[2875] | 451 | Tcl_AppendResult(interp, "wrong # of elements for box coordinates: " |
---|
| 452 | " should be \"x y z\"", (char *)NULL); |
---|
| 453 | return TCL_ERROR; |
---|
[1429] | 454 | } |
---|
| 455 | float values[3]; |
---|
| 456 | int i; |
---|
| 457 | for (i = 0; i < objc; i++) { |
---|
[2875] | 458 | float value; |
---|
[1429] | 459 | |
---|
[2875] | 460 | if (GetFloatFromObj(interp, objv[i], &value) != TCL_OK) { |
---|
| 461 | return TCL_ERROR; |
---|
| 462 | } |
---|
| 463 | values[i] = value; |
---|
| 464 | } |
---|
[3567] | 465 | point->x = values[0]; |
---|
| 466 | point->y = values[1]; |
---|
| 467 | point->z = values[2]; |
---|
[1429] | 468 | return TCL_OK; |
---|
| 469 | } |
---|
| 470 | |
---|
[2875] | 471 | /** |
---|
| 472 | * \brief Convert a Tcl_Obj representing the a 3-D coordinate into a point. |
---|
[1429] | 473 | * |
---|
[2875] | 474 | * \param clientData Flag indicating if the node is considered before or |
---|
| 475 | * after the insertion position. |
---|
| 476 | * \param interp Interpreter to send results back to |
---|
| 477 | * \param switchName Not used |
---|
| 478 | * \param objPtr String representation |
---|
| 479 | * \param record Structure record |
---|
| 480 | * \param offset Not used |
---|
| 481 | * \param flags Not used |
---|
[1429] | 482 | * |
---|
[2875] | 483 | * \return The return value is a standard Tcl result. |
---|
[1429] | 484 | */ |
---|
| 485 | static int |
---|
[2875] | 486 | PositionSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 487 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 488 | char *record, int offset, int flags) |
---|
[1429] | 489 | { |
---|
| 490 | FlowPosition *posPtr = (FlowPosition *)(record + offset); |
---|
| 491 | const char *string; |
---|
| 492 | char *p; |
---|
| 493 | |
---|
| 494 | string = Tcl_GetString(objPtr); |
---|
[1571] | 495 | p = strrchr((char *)string, '%'); |
---|
[1429] | 496 | if (p == NULL) { |
---|
[2875] | 497 | float value; |
---|
[1429] | 498 | |
---|
[2875] | 499 | if (GetFloatFromObj(interp, objPtr, &value) != TCL_OK) { |
---|
| 500 | return TCL_ERROR; |
---|
| 501 | } |
---|
| 502 | posPtr->value = value; |
---|
| 503 | posPtr->flags = ABSPOS; |
---|
[1429] | 504 | } else { |
---|
[2875] | 505 | double value; |
---|
[1429] | 506 | |
---|
[2875] | 507 | *p = '\0'; |
---|
| 508 | if (Tcl_GetDouble(interp, string, &value) != TCL_OK) { |
---|
| 509 | return TCL_ERROR; |
---|
| 510 | } |
---|
| 511 | posPtr->value = (float)value * 0.01; |
---|
| 512 | posPtr->flags = RELPOS; |
---|
[1429] | 513 | } |
---|
| 514 | return TCL_OK; |
---|
| 515 | } |
---|
| 516 | |
---|
[2875] | 517 | /** |
---|
| 518 | * \brief Convert a Tcl_Obj representing the transfer function into a |
---|
| 519 | * TransferFunction pointer. |
---|
[1429] | 520 | * |
---|
[2875] | 521 | * The transfer function must have been previously defined. |
---|
[1429] | 522 | * |
---|
[2875] | 523 | * \param clientData Flag indicating if the node is considered before or |
---|
| 524 | * after the insertion position. |
---|
| 525 | * \param interp Interpreter to send results back to |
---|
| 526 | * \param switchName Not used |
---|
| 527 | * \param objPtr String representation |
---|
| 528 | * \param record Structure record |
---|
| 529 | * \param offset Not used |
---|
| 530 | * \param flags Not used |
---|
[1429] | 531 | * |
---|
[2875] | 532 | * \return The return value is a standard Tcl result. |
---|
[1429] | 533 | */ |
---|
| 534 | static int |
---|
[2875] | 535 | TransferFunctionSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 536 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 537 | char *record, int offset, int flags) |
---|
[1429] | 538 | { |
---|
| 539 | TransferFunction **funcPtrPtr = (TransferFunction **)(record + offset); |
---|
[3567] | 540 | TransferFunction *tf = NanoVis::getTransferFunction(Tcl_GetString(objPtr)); |
---|
| 541 | if (tf == NULL) { |
---|
[1429] | 542 | Tcl_AppendResult(interp, "transfer function \"", Tcl_GetString(objPtr), |
---|
| 543 | "\" is not defined", (char*)NULL); |
---|
| 544 | return TCL_ERROR; |
---|
| 545 | } |
---|
[3567] | 546 | *funcPtrPtr = tf; |
---|
[1429] | 547 | return TCL_OK; |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | static int |
---|
| 551 | FlowConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 552 | Tcl_Obj *const *objv) |
---|
[1429] | 553 | { |
---|
[4612] | 554 | Flow *flow = (Flow *)clientData; |
---|
[1429] | 555 | |
---|
[4612] | 556 | if (flow->parseSwitches(interp, objc - 2, objv + 2) != TCL_OK) { |
---|
[2875] | 557 | return TCL_ERROR; |
---|
[1429] | 558 | } |
---|
[2877] | 559 | NanoVis::eventuallyRedraw(NanoVis::MAP_FLOWS); |
---|
[1429] | 560 | return TCL_OK; |
---|
| 561 | } |
---|
| 562 | |
---|
| 563 | static int |
---|
| 564 | FlowParticlesAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 565 | Tcl_Obj *const *objv) |
---|
[1429] | 566 | { |
---|
[4612] | 567 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 568 | const char *particlesName = Tcl_GetString(objv[3]); |
---|
| 569 | FlowParticles *particles = flow->createParticles(particlesName); |
---|
| 570 | if (particles == NULL) { |
---|
| 571 | Tcl_AppendResult(interp, "Flow particle injection plane \"", |
---|
| 572 | particlesName, |
---|
| 573 | "\" already exists or could not be created", |
---|
| 574 | (char*)NULL); |
---|
[2875] | 575 | return TCL_ERROR; |
---|
[1429] | 576 | } |
---|
[3567] | 577 | if (particles->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 578 | flow->deleteParticles(particlesName); |
---|
[2875] | 579 | return TCL_ERROR; |
---|
[1429] | 580 | } |
---|
[3567] | 581 | particles->configure(); |
---|
[2877] | 582 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 583 | Tcl_SetObjResult(interp, objv[3]); |
---|
| 584 | return TCL_OK; |
---|
| 585 | } |
---|
| 586 | |
---|
| 587 | static int |
---|
| 588 | FlowParticlesConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 589 | Tcl_Obj *const *objv) |
---|
[1429] | 590 | { |
---|
[4612] | 591 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 592 | const char *particlesName = Tcl_GetString(objv[3]); |
---|
| 593 | FlowParticles *particles = flow->getParticles(particlesName); |
---|
| 594 | if (particles == NULL) { |
---|
| 595 | Tcl_AppendResult(interp, "Flow particle injection plane \"", |
---|
| 596 | particlesName, "\" not found", |
---|
| 597 | (char*)NULL); |
---|
[2875] | 598 | return TCL_ERROR; |
---|
[1429] | 599 | } |
---|
[3567] | 600 | if (particles->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
[2875] | 601 | return TCL_ERROR; |
---|
[1429] | 602 | } |
---|
[3567] | 603 | particles->configure(); |
---|
[2877] | 604 | NanoVis::eventuallyRedraw(NanoVis::MAP_FLOWS); |
---|
[1429] | 605 | return TCL_OK; |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | static int |
---|
| 609 | FlowParticlesDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 610 | Tcl_Obj *const *objv) |
---|
[1429] | 611 | { |
---|
[4612] | 612 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 613 | for (int i = 3; i < objc; i++) { |
---|
| 614 | flow->deleteParticles(Tcl_GetString(objv[i])); |
---|
[1429] | 615 | } |
---|
[2877] | 616 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 617 | return TCL_OK; |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | static int |
---|
| 621 | FlowParticlesNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 622 | Tcl_Obj *const *objv) |
---|
[1429] | 623 | { |
---|
[4612] | 624 | Flow *flow = (Flow *)clientData; |
---|
[1429] | 625 | Tcl_Obj *listObjPtr; |
---|
| 626 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
[3567] | 627 | std::vector<std::string> names; |
---|
| 628 | flow->getParticlesNames(names); |
---|
| 629 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
| 630 | itr != names.end(); ++itr) { |
---|
| 631 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->c_str(), -1); |
---|
[2875] | 632 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 633 | } |
---|
| 634 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 635 | return TCL_OK; |
---|
| 636 | } |
---|
| 637 | |
---|
| 638 | static Rappture::CmdSpec flowParticlesOps[] = { |
---|
| 639 | {"add", 1, FlowParticlesAddOp, 4, 0, "name ?switches?",}, |
---|
| 640 | {"configure", 1, FlowParticlesConfigureOp, 4, 0, "name ?switches?",}, |
---|
[3567] | 641 | {"delete", 1, FlowParticlesDeleteOp, 4, 0, "name ?name...?"}, |
---|
| 642 | {"names", 1, FlowParticlesNamesOp, 3, 3, ""}, |
---|
[1429] | 643 | }; |
---|
| 644 | |
---|
| 645 | static int nFlowParticlesOps = NumCmdSpecs(flowParticlesOps); |
---|
| 646 | |
---|
[2875] | 647 | /** |
---|
| 648 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 649 | * object. |
---|
| 650 | * |
---|
| 651 | * Side effects: See the user documentation. |
---|
| 652 | * |
---|
| 653 | * $flow particles oper $name |
---|
| 654 | * |
---|
| 655 | * \return A standard Tcl result. |
---|
| 656 | */ |
---|
[1429] | 657 | static int |
---|
| 658 | FlowParticlesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 659 | Tcl_Obj *const *objv) |
---|
[1429] | 660 | { |
---|
| 661 | Tcl_ObjCmdProc *proc; |
---|
| 662 | proc = Rappture::GetOpFromObj(interp, nFlowParticlesOps, flowParticlesOps, |
---|
[2875] | 663 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
---|
[1429] | 664 | if (proc == NULL) { |
---|
[2875] | 665 | return TCL_ERROR; |
---|
[1429] | 666 | } |
---|
[4612] | 667 | Flow *flow = (Flow *)clientData; |
---|
| 668 | Tcl_Preserve(flow); |
---|
[1429] | 669 | int result; |
---|
| 670 | result = (*proc) (clientData, interp, objc, objv); |
---|
[4612] | 671 | Tcl_Release(flow); |
---|
[1429] | 672 | return result; |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | static int |
---|
| 676 | FlowBoxAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 677 | Tcl_Obj *const *objv) |
---|
[1429] | 678 | { |
---|
[4612] | 679 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 680 | const char *boxName = Tcl_GetString(objv[3]); |
---|
| 681 | FlowBox *box = flow->createBox(boxName); |
---|
| 682 | if (box == NULL) { |
---|
| 683 | Tcl_AppendResult(interp, "Flow box \"", boxName, |
---|
| 684 | "\" already exists or could not be created", |
---|
| 685 | (char*)NULL); |
---|
[2875] | 686 | return TCL_ERROR; |
---|
[1429] | 687 | } |
---|
[3567] | 688 | if (box->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 689 | flow->deleteBox(boxName); |
---|
[2875] | 690 | return TCL_ERROR; |
---|
[1429] | 691 | } |
---|
[3567] | 692 | NanoVis::eventuallyRedraw(); |
---|
| 693 | Tcl_SetObjResult(interp, objv[3]); |
---|
| 694 | return TCL_OK; |
---|
| 695 | } |
---|
| 696 | |
---|
| 697 | static int |
---|
| 698 | FlowBoxConfigureOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
| 699 | Tcl_Obj *const *objv) |
---|
| 700 | { |
---|
[4612] | 701 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 702 | const char *boxName = Tcl_GetString(objv[3]); |
---|
| 703 | FlowBox *box = flow->getBox(boxName); |
---|
| 704 | if (box == NULL) { |
---|
| 705 | Tcl_AppendResult(interp, "Flow box \"", boxName, "\" not found", |
---|
| 706 | (char*)NULL); |
---|
[2875] | 707 | return TCL_ERROR; |
---|
[1429] | 708 | } |
---|
[3567] | 709 | if (box->parseSwitches(interp, objc - 4, objv + 4) != TCL_OK) { |
---|
| 710 | return TCL_ERROR; |
---|
| 711 | } |
---|
[2877] | 712 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 713 | return TCL_OK; |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | static int |
---|
| 717 | FlowBoxDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 718 | Tcl_Obj *const *objv) |
---|
[1429] | 719 | { |
---|
[4612] | 720 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 721 | for (int i = 3; i < objc; i++) { |
---|
| 722 | flow->deleteBox(Tcl_GetString(objv[i])); |
---|
[1429] | 723 | } |
---|
[2877] | 724 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 725 | return TCL_OK; |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | static int |
---|
| 729 | FlowBoxNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 730 | Tcl_Obj *const *objv) |
---|
[1429] | 731 | { |
---|
[4612] | 732 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 733 | Tcl_Obj *listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
| 734 | std::vector<std::string> names; |
---|
| 735 | flow->getBoxNames(names); |
---|
| 736 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
| 737 | itr != names.end(); ++itr) { |
---|
| 738 | Tcl_Obj *objPtr = Tcl_NewStringObj(itr->c_str(), -1); |
---|
[2875] | 739 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 740 | } |
---|
| 741 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 742 | return TCL_OK; |
---|
| 743 | } |
---|
| 744 | |
---|
| 745 | static Rappture::CmdSpec flowBoxOps[] = { |
---|
| 746 | {"add", 1, FlowBoxAddOp, 4, 0, "name ?switches?",}, |
---|
| 747 | {"configure", 1, FlowBoxConfigureOp, 4, 0, "name ?switches?",}, |
---|
[3567] | 748 | {"delete", 1, FlowBoxDeleteOp, 4, 0, "name ?name...?"}, |
---|
| 749 | {"names", 1, FlowBoxNamesOp, 3, 3, ""}, |
---|
[1429] | 750 | }; |
---|
| 751 | |
---|
| 752 | static int nFlowBoxOps = NumCmdSpecs(flowBoxOps); |
---|
| 753 | |
---|
[2875] | 754 | /** |
---|
| 755 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 756 | * object. |
---|
| 757 | * |
---|
| 758 | * Side effects: See the user documentation. |
---|
| 759 | * |
---|
| 760 | * \return A standard Tcl result. |
---|
| 761 | */ |
---|
[1429] | 762 | static int |
---|
| 763 | FlowBoxOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 764 | Tcl_Obj *const *objv) |
---|
[1429] | 765 | { |
---|
| 766 | Tcl_ObjCmdProc *proc; |
---|
| 767 | proc = Rappture::GetOpFromObj(interp, nFlowBoxOps, flowBoxOps, |
---|
[2875] | 768 | Rappture::CMDSPEC_ARG2, objc, objv, 0); |
---|
[1429] | 769 | if (proc == NULL) { |
---|
[2875] | 770 | return TCL_ERROR; |
---|
[1429] | 771 | } |
---|
[4612] | 772 | Flow *flow = (Flow *)clientData; |
---|
| 773 | Tcl_Preserve(flow); |
---|
[1429] | 774 | int result; |
---|
| 775 | result = (*proc) (clientData, interp, objc, objv); |
---|
[4612] | 776 | Tcl_Release(flow); |
---|
[1429] | 777 | return result; |
---|
| 778 | } |
---|
| 779 | |
---|
| 780 | /* |
---|
[1474] | 781 | * CLIENT COMMAND: |
---|
| 782 | * $flow legend <width> <height> |
---|
| 783 | * |
---|
| 784 | * Clients use this to generate a legend image for the specified |
---|
| 785 | * transfer function. The legend image is a color gradient from 0 |
---|
| 786 | * to one, drawn in the given transfer function. The resulting image |
---|
| 787 | * is returned in the size <width> x <height>. |
---|
| 788 | */ |
---|
| 789 | static int |
---|
| 790 | FlowLegendOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 791 | Tcl_Obj *const *objv) |
---|
[1474] | 792 | { |
---|
[4612] | 793 | Flow *flow = (Flow *)clientData; |
---|
[1474] | 794 | |
---|
| 795 | const char *string = Tcl_GetString(objv[1]); |
---|
| 796 | TransferFunction *tf; |
---|
[4612] | 797 | tf = flow->getTransferFunction(); |
---|
[1474] | 798 | if (tf == NULL) { |
---|
| 799 | Tcl_AppendResult(interp, "unknown transfer function \"", string, "\"", |
---|
[2875] | 800 | (char*)NULL); |
---|
[1474] | 801 | return TCL_ERROR; |
---|
| 802 | } |
---|
| 803 | const char *label; |
---|
| 804 | label = Tcl_GetString(objv[0]); |
---|
| 805 | int w, h; |
---|
| 806 | if ((Tcl_GetIntFromObj(interp, objv[2], &w) != TCL_OK) || |
---|
| 807 | (Tcl_GetIntFromObj(interp, objv[3], &h) != TCL_OK)) { |
---|
| 808 | return TCL_ERROR; |
---|
| 809 | } |
---|
[1510] | 810 | if (NanoVis::flags & NanoVis::MAP_FLOWS) { |
---|
[3566] | 811 | NanoVis::mapFlows(); |
---|
[1474] | 812 | } |
---|
[2877] | 813 | NanoVis::renderLegend(tf, NanoVis::magMin, NanoVis::magMax, w, h, label); |
---|
[1474] | 814 | return TCL_OK; |
---|
| 815 | } |
---|
| 816 | |
---|
[1429] | 817 | static Rappture::CmdSpec flowInstOps[] = { |
---|
| 818 | {"box", 1, FlowBoxOp, 2, 0, "oper ?args?"}, |
---|
| 819 | {"configure", 1, FlowConfigureOp, 2, 0, "?switches?"}, |
---|
[2875] | 820 | {"data", 1, FlowDataOp, 2, 0, "oper ?args?"}, |
---|
[1474] | 821 | {"legend", 1, FlowLegendOp, 4, 4, "w h"}, |
---|
[1429] | 822 | {"particles", 1, FlowParticlesOp, 2, 0, "oper ?args?"} |
---|
| 823 | }; |
---|
| 824 | static int nFlowInstOps = NumCmdSpecs(flowInstOps); |
---|
| 825 | |
---|
[2875] | 826 | /** |
---|
| 827 | * \brief This procedure is invoked to process commands on behalf of the flow |
---|
| 828 | * object. |
---|
| 829 | * |
---|
| 830 | * Side effects: See the user documentation. |
---|
| 831 | * |
---|
| 832 | * \return A standard Tcl result. |
---|
| 833 | */ |
---|
[4612] | 834 | int |
---|
[1429] | 835 | FlowInstObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 836 | Tcl_Obj *const *objv) |
---|
[1429] | 837 | { |
---|
| 838 | Tcl_ObjCmdProc *proc; |
---|
| 839 | proc = Rappture::GetOpFromObj(interp, nFlowInstOps, flowInstOps, |
---|
[2875] | 840 | Rappture::CMDSPEC_ARG1, objc, objv, 0); |
---|
[1429] | 841 | if (proc == NULL) { |
---|
[2875] | 842 | return TCL_ERROR; |
---|
[1429] | 843 | } |
---|
| 844 | assert(CheckGL(AT)); |
---|
[4612] | 845 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 846 | Tcl_Preserve(flow); |
---|
| 847 | int result = (*proc) (clientData, interp, objc, objv); |
---|
| 848 | Tcl_Release(flow); |
---|
[1429] | 849 | return result; |
---|
| 850 | } |
---|
| 851 | |
---|
[2875] | 852 | /** |
---|
[3567] | 853 | * \brief Deletes the command associated with the flow |
---|
[1429] | 854 | * |
---|
[3567] | 855 | * This is called only when the command associated with the flow is destroyed. |
---|
[1429] | 856 | */ |
---|
[4612] | 857 | void |
---|
[1429] | 858 | FlowInstDeleteProc(ClientData clientData) |
---|
| 859 | { |
---|
[4612] | 860 | Flow *flow = (Flow *)clientData; |
---|
[3567] | 861 | NanoVis::deleteFlow(flow->name()); |
---|
[1429] | 862 | } |
---|
| 863 | |
---|
| 864 | static int |
---|
| 865 | FlowAddOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 866 | Tcl_Obj *const *objv) |
---|
[1429] | 867 | { |
---|
[3567] | 868 | const char *name = Tcl_GetString(objv[2]); |
---|
| 869 | Tcl_CmdInfo cmdInfo; |
---|
| 870 | if (Tcl_GetCommandInfo(interp, name, &cmdInfo)) { |
---|
| 871 | Tcl_AppendResult(interp, "an another command \"", name, |
---|
| 872 | "\" already exists.", (char *)NULL); |
---|
[3576] | 873 | return TCL_ERROR; |
---|
[1429] | 874 | } |
---|
[4612] | 875 | Flow *flow = NanoVis::createFlow(interp, name); |
---|
[3567] | 876 | if (flow == NULL) { |
---|
| 877 | Tcl_AppendResult(interp, "Flow \"", name, "\" already exists", |
---|
| 878 | (char*)NULL); |
---|
[2875] | 879 | return TCL_ERROR; |
---|
[1429] | 880 | } |
---|
[3567] | 881 | if (flow->parseSwitches(interp, objc - 3, objv + 3) != TCL_OK) { |
---|
| 882 | Tcl_DeleteCommand(interp, flow->name()); |
---|
[2875] | 883 | return TCL_ERROR; |
---|
[1429] | 884 | } |
---|
| 885 | Tcl_SetObjResult(interp, objv[2]); |
---|
[2877] | 886 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 887 | return TCL_OK; |
---|
| 888 | } |
---|
| 889 | |
---|
| 890 | static int |
---|
| 891 | FlowDeleteOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 892 | Tcl_Obj *const *objv) |
---|
[1429] | 893 | { |
---|
[3567] | 894 | for (int i = 2; i < objc; i++) { |
---|
[4612] | 895 | Flow *flow = NanoVis::getFlow(Tcl_GetString(objv[i])); |
---|
[3567] | 896 | if (flow != NULL) { |
---|
| 897 | Tcl_DeleteCommandFromToken(interp, flow->getCommandToken()); |
---|
[2875] | 898 | } |
---|
[1429] | 899 | } |
---|
[2877] | 900 | NanoVis::eventuallyRedraw(NanoVis::MAP_FLOWS); |
---|
[1429] | 901 | return TCL_OK; |
---|
| 902 | } |
---|
| 903 | |
---|
[1431] | 904 | static int |
---|
| 905 | FlowExistsOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 906 | Tcl_Obj *const *objv) |
---|
[1431] | 907 | { |
---|
[3567] | 908 | bool value = false; |
---|
[4612] | 909 | Flow *flow = NanoVis::getFlow(Tcl_GetString(objv[2])); |
---|
[3567] | 910 | if (flow != NULL) { |
---|
[2875] | 911 | value = true; |
---|
[1431] | 912 | } |
---|
| 913 | Tcl_SetBooleanObj(Tcl_GetObjResult(interp), (int)value); |
---|
| 914 | return TCL_OK; |
---|
| 915 | } |
---|
| 916 | |
---|
[2875] | 917 | /** |
---|
| 918 | * \brief flow goto number |
---|
[1467] | 919 | */ |
---|
| 920 | static int |
---|
| 921 | FlowGotoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 922 | Tcl_Obj *const *objv) |
---|
[1467] | 923 | { |
---|
| 924 | int nSteps; |
---|
| 925 | if (Tcl_GetIntFromObj(interp, objv[2], &nSteps) != TCL_OK) { |
---|
| 926 | return TCL_ERROR; |
---|
| 927 | } |
---|
| 928 | if ((nSteps < 0) || (nSteps > SHRT_MAX)) { |
---|
[2875] | 929 | Tcl_AppendResult(interp, "flow goto: bad # of steps \"", |
---|
| 930 | Tcl_GetString(objv[2]), "\"", (char *)NULL); |
---|
| 931 | return TCL_ERROR; |
---|
[1467] | 932 | } |
---|
[3566] | 933 | NanoVis::resetFlows(); |
---|
[1467] | 934 | if (NanoVis::flags & NanoVis::MAP_FLOWS) { |
---|
[3566] | 935 | NanoVis::mapFlows(); |
---|
[1467] | 936 | } |
---|
[3566] | 937 | NanoVis::advectFlows(); |
---|
[3567] | 938 | for (int i = 0; i < nSteps; i++) { |
---|
[2875] | 939 | if (NanoVis::licRenderer->active()) { |
---|
| 940 | NanoVis::licRenderer->convolve(); |
---|
| 941 | } |
---|
[3566] | 942 | NanoVis::advectFlows(); |
---|
[1467] | 943 | } |
---|
[2877] | 944 | NanoVis::eventuallyRedraw(); |
---|
[1467] | 945 | return TCL_OK; |
---|
| 946 | } |
---|
| 947 | |
---|
[1429] | 948 | static int |
---|
| 949 | FlowNamesOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 950 | Tcl_Obj *const *objv) |
---|
[1429] | 951 | { |
---|
| 952 | Tcl_Obj *listObjPtr; |
---|
| 953 | listObjPtr = Tcl_NewListObj(0, (Tcl_Obj **) NULL); |
---|
[3567] | 954 | for (NanoVis::FlowHashmap::iterator itr = NanoVis::flowTable.begin(); |
---|
| 955 | itr != NanoVis::flowTable.end(); ++itr) { |
---|
[4612] | 956 | Flow *flow = itr->second; |
---|
[3567] | 957 | Tcl_Obj *objPtr = Tcl_NewStringObj(flow->name(), -1); |
---|
[2875] | 958 | Tcl_ListObjAppendElement(interp, listObjPtr, objPtr); |
---|
[1429] | 959 | } |
---|
| 960 | Tcl_SetObjResult(interp, listObjPtr); |
---|
| 961 | return TCL_OK; |
---|
| 962 | } |
---|
| 963 | |
---|
| 964 | static int |
---|
| 965 | FlowNextOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 966 | Tcl_Obj *const *objv) |
---|
[1429] | 967 | { |
---|
| 968 | assert(NanoVis::licRenderer != NULL); |
---|
[1431] | 969 | if (NanoVis::flags & NanoVis::MAP_FLOWS) { |
---|
[3566] | 970 | NanoVis::mapFlows(); |
---|
[1429] | 971 | } |
---|
[2877] | 972 | NanoVis::eventuallyRedraw(); |
---|
[1429] | 973 | NanoVis::licRenderer->convolve(); |
---|
[3566] | 974 | NanoVis::advectFlows(); |
---|
[1429] | 975 | return TCL_OK; |
---|
| 976 | } |
---|
| 977 | |
---|
| 978 | static int |
---|
| 979 | FlowResetOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 980 | Tcl_Obj *const *objv) |
---|
[1429] | 981 | { |
---|
[3566] | 982 | NanoVis::resetFlows(); |
---|
[1429] | 983 | return TCL_OK; |
---|
| 984 | } |
---|
| 985 | |
---|
[2875] | 986 | /** |
---|
| 987 | * \brief Convert a Tcl_Obj representing the video format into its |
---|
| 988 | * integer id. |
---|
[2070] | 989 | * |
---|
[2875] | 990 | * \param clientData Not used |
---|
| 991 | * \param interp Interpreter to send results back to |
---|
| 992 | * \param switchName Not used |
---|
| 993 | * \param objPtr String representation |
---|
| 994 | * \param record Structure record |
---|
| 995 | * \param offset Not used |
---|
| 996 | * \param flags Not used |
---|
[2070] | 997 | * |
---|
[2875] | 998 | * \return The return value is a standard Tcl result. |
---|
[2070] | 999 | */ |
---|
| 1000 | static int |
---|
[2875] | 1001 | VideoFormatSwitchProc(ClientData clientData, Tcl_Interp *interp, |
---|
| 1002 | const char *switchName, Tcl_Obj *objPtr, |
---|
| 1003 | char *record, int offset, int flags) |
---|
[2070] | 1004 | { |
---|
[3559] | 1005 | Tcl_Obj **formatObjPtr = (Tcl_Obj **)(record + offset); |
---|
| 1006 | Tcl_Obj *fmtObjPtr; |
---|
[2070] | 1007 | const char *string; |
---|
| 1008 | char c; |
---|
[3559] | 1009 | int length; |
---|
[2070] | 1010 | |
---|
[3559] | 1011 | string = Tcl_GetStringFromObj(objPtr, &length); |
---|
[2070] | 1012 | c = string[0]; |
---|
[3559] | 1013 | if ((c == 'm') && (length > 1) && |
---|
| 1014 | (strncmp(string, "mpeg", length) == 0)) { |
---|
| 1015 | fmtObjPtr = Tcl_NewStringObj("mpeg1video", 10); |
---|
| 1016 | } else if ((c == 't') && (strncmp(string, "theora", length) == 0)) { |
---|
| 1017 | fmtObjPtr = Tcl_NewStringObj("theora", 6); |
---|
| 1018 | } else if ((c == 'm') && (length > 1) && |
---|
| 1019 | (strncmp(string, "mov", length) == 0)) { |
---|
| 1020 | fmtObjPtr = Tcl_NewStringObj("mov", 3); |
---|
[2070] | 1021 | } else { |
---|
[2875] | 1022 | Tcl_AppendResult(interp, "bad video format \"", string, |
---|
| 1023 | "\": should be mpeg, theora, or mov", (char*)NULL); |
---|
[3559] | 1024 | return TCL_ERROR; |
---|
[2070] | 1025 | } |
---|
[3559] | 1026 | if (*formatObjPtr != NULL) { |
---|
| 1027 | Tcl_DecrRefCount(*formatObjPtr); |
---|
| 1028 | } |
---|
| 1029 | Tcl_IncrRefCount(fmtObjPtr); |
---|
| 1030 | *formatObjPtr = fmtObjPtr; |
---|
| 1031 | return TCL_OK; |
---|
[2070] | 1032 | } |
---|
| 1033 | |
---|
[3559] | 1034 | struct FlowVideoSwitches { |
---|
[2875] | 1035 | float frameRate; /**< Frame rate */ |
---|
| 1036 | int bitRate; /**< Video bitrate */ |
---|
| 1037 | int width, height; /**< Dimensions of video frame. */ |
---|
[3559] | 1038 | int numFrames; |
---|
| 1039 | Tcl_Obj *formatObjPtr; |
---|
[1515] | 1040 | }; |
---|
| 1041 | |
---|
| 1042 | static Rappture::SwitchParseProc VideoFormatSwitchProc; |
---|
| 1043 | static Rappture::SwitchCustom videoFormatSwitch = { |
---|
| 1044 | VideoFormatSwitchProc, NULL, 0, |
---|
| 1045 | }; |
---|
| 1046 | |
---|
[4612] | 1047 | static Rappture::SwitchSpec flowVideoSwitches[] = { |
---|
[2810] | 1048 | {Rappture::SWITCH_INT, "-bitrate", "value", |
---|
[3559] | 1049 | offsetof(FlowVideoSwitches, bitRate), 0}, |
---|
[1515] | 1050 | {Rappture::SWITCH_CUSTOM, "-format", "string", |
---|
[3559] | 1051 | offsetof(FlowVideoSwitches, formatObjPtr), 0, 0, &videoFormatSwitch}, |
---|
[1515] | 1052 | {Rappture::SWITCH_FLOAT, "-framerate", "value", |
---|
[3559] | 1053 | offsetof(FlowVideoSwitches, frameRate), 0}, |
---|
[1515] | 1054 | {Rappture::SWITCH_INT, "-height", "integer", |
---|
[3559] | 1055 | offsetof(FlowVideoSwitches, height), 0}, |
---|
[1515] | 1056 | {Rappture::SWITCH_INT, "-numframes", "count", |
---|
[3559] | 1057 | offsetof(FlowVideoSwitches, numFrames), 0}, |
---|
[1515] | 1058 | {Rappture::SWITCH_INT, "-width", "integer", |
---|
[3559] | 1059 | offsetof(FlowVideoSwitches, width), 0}, |
---|
[1515] | 1060 | {Rappture::SWITCH_END} |
---|
| 1061 | }; |
---|
| 1062 | |
---|
[3559] | 1063 | #ifdef HAVE_FFMPEG |
---|
| 1064 | |
---|
[1429] | 1065 | static int |
---|
[3559] | 1066 | ppmWriteToFile(Tcl_Interp *interp, const char *path, FlowVideoSwitches *switchesPtr) |
---|
[1429] | 1067 | { |
---|
[3559] | 1068 | int f; |
---|
| 1069 | |
---|
| 1070 | /* Open the named file for writing. */ |
---|
| 1071 | f = creat(path, 0600); |
---|
| 1072 | if (f < 0) { |
---|
| 1073 | Tcl_AppendResult(interp, "can't open temporary image file \"", path, |
---|
| 1074 | "\": ", Tcl_PosixError(interp), (char *)NULL); |
---|
| 1075 | return TCL_ERROR; |
---|
| 1076 | } |
---|
| 1077 | // Generate the PPM binary file header |
---|
| 1078 | char header[200]; |
---|
| 1079 | #define PPM_MAXVAL 255 |
---|
| 1080 | sprintf(header, "P6 %d %d %d\n", switchesPtr->width, switchesPtr->height, |
---|
| 1081 | PPM_MAXVAL); |
---|
[1429] | 1082 | |
---|
[3559] | 1083 | size_t header_length = strlen(header); |
---|
| 1084 | size_t wordsPerRow = (switchesPtr->width * 24 + 31) / 32; |
---|
| 1085 | size_t bytesPerRow = wordsPerRow * 4; |
---|
| 1086 | size_t rowLength = switchesPtr->width * 3; |
---|
| 1087 | size_t numRecords = switchesPtr->height + 1; |
---|
[1515] | 1088 | |
---|
[3559] | 1089 | struct iovec *iov; |
---|
| 1090 | iov = (struct iovec *)malloc(sizeof(struct iovec) * numRecords); |
---|
[1515] | 1091 | |
---|
[3559] | 1092 | // Add the PPM image header. |
---|
| 1093 | iov[0].iov_base = header; |
---|
| 1094 | iov[0].iov_len = header_length; |
---|
[1515] | 1095 | |
---|
[3559] | 1096 | // Now add the image data, reversing the order of the rows. |
---|
| 1097 | int y; |
---|
| 1098 | unsigned char *srcRowPtr = NanoVis::screenBuffer; |
---|
| 1099 | /* Reversing the pointers for the image rows. PPM is top-to-bottom. */ |
---|
| 1100 | for (y = switchesPtr->height; y >= 1; y--) { |
---|
| 1101 | iov[y].iov_base = srcRowPtr; |
---|
| 1102 | iov[y].iov_len = rowLength; |
---|
| 1103 | srcRowPtr += bytesPerRow; |
---|
[1429] | 1104 | } |
---|
[3559] | 1105 | if (writev(f, iov, numRecords) < 0) { |
---|
| 1106 | Tcl_AppendResult(interp, "writing image to \"", path, "\" failed: ", |
---|
| 1107 | Tcl_PosixError(interp), (char *)NULL); |
---|
| 1108 | free(iov); |
---|
| 1109 | close(f); |
---|
[2875] | 1110 | return TCL_ERROR; |
---|
[1429] | 1111 | } |
---|
[3559] | 1112 | close(f); |
---|
| 1113 | free(iov); |
---|
| 1114 | return TCL_OK; |
---|
| 1115 | } |
---|
| 1116 | |
---|
| 1117 | static int |
---|
| 1118 | MakeImageFiles(Tcl_Interp *interp, char *tmpFileName, |
---|
| 1119 | FlowVideoSwitches *switchesPtr, bool *cancelPtr) |
---|
| 1120 | { |
---|
| 1121 | struct pollfd pollResults; |
---|
| 1122 | pollResults.fd = fileno(NanoVis::stdin); |
---|
| 1123 | pollResults.events = POLLIN; |
---|
| 1124 | #define PENDING_TIMEOUT 10 /* milliseconds. */ |
---|
| 1125 | int timeout = PENDING_TIMEOUT; |
---|
| 1126 | |
---|
[1508] | 1127 | int oldWidth, oldHeight; |
---|
[2877] | 1128 | oldWidth = NanoVis::winWidth; |
---|
| 1129 | oldHeight = NanoVis::winHeight; |
---|
[1429] | 1130 | |
---|
[3559] | 1131 | if ((switchesPtr->width != oldWidth) || |
---|
| 1132 | (switchesPtr->height != oldHeight)) { |
---|
[2875] | 1133 | // Resize to the requested size. |
---|
[3559] | 1134 | NanoVis::resizeOffscreenBuffer(switchesPtr->width, switchesPtr->height); |
---|
[1505] | 1135 | } |
---|
[3577] | 1136 | NanoVis::resetFlows(); |
---|
[3559] | 1137 | *cancelPtr = false; |
---|
| 1138 | int result = TCL_OK; |
---|
| 1139 | size_t length = strlen(tmpFileName); |
---|
| 1140 | for (int i = 1; i <= switchesPtr->numFrames; i++) { |
---|
| 1141 | if (((i & 0xF) == 0) && (poll(&pollResults, 1, timeout) > 0)) { |
---|
[2875] | 1142 | /* If there's another command on stdin, that means the client is |
---|
| 1143 | * trying to cancel this operation. */ |
---|
[3559] | 1144 | *cancelPtr = true; |
---|
[2875] | 1145 | break; |
---|
| 1146 | } |
---|
| 1147 | if (NanoVis::licRenderer->active()) { |
---|
| 1148 | NanoVis::licRenderer->convolve(); |
---|
| 1149 | } |
---|
[3577] | 1150 | NanoVis::advectFlows(); |
---|
[2930] | 1151 | |
---|
| 1152 | int fboOrig; |
---|
| 1153 | glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fboOrig); |
---|
| 1154 | |
---|
| 1155 | NanoVis::bindOffscreenBuffer(); |
---|
[3497] | 1156 | NanoVis::render(); |
---|
[2877] | 1157 | NanoVis::readScreen(); |
---|
[2930] | 1158 | |
---|
| 1159 | glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fboOrig); |
---|
| 1160 | |
---|
[3559] | 1161 | sprintf(tmpFileName + length, "/image%d.ppm", i); |
---|
| 1162 | result = ppmWriteToFile(interp, tmpFileName, switchesPtr); |
---|
| 1163 | if (result != TCL_OK) { |
---|
| 1164 | break; |
---|
| 1165 | } |
---|
[1429] | 1166 | } |
---|
[3559] | 1167 | if ((switchesPtr->width != oldWidth) || |
---|
| 1168 | (switchesPtr->height != oldHeight)) { |
---|
| 1169 | NanoVis::resizeOffscreenBuffer(oldWidth, oldHeight); |
---|
| 1170 | } |
---|
| 1171 | tmpFileName[length] = '\0'; |
---|
[3577] | 1172 | NanoVis::resetFlows(); |
---|
[3559] | 1173 | return result; |
---|
| 1174 | } |
---|
[1522] | 1175 | |
---|
[3559] | 1176 | static int |
---|
| 1177 | MakeMovie(Tcl_Interp *interp, char *tmpFileName, const char *token, |
---|
| 1178 | FlowVideoSwitches *switchesPtr) |
---|
| 1179 | { |
---|
| 1180 | #ifndef FFMPEG |
---|
| 1181 | # define FFMPEG "/usr/bin/ffmpeg" |
---|
| 1182 | #endif |
---|
| 1183 | /* Generate the movie from the frame images by exec-ing ffmpeg */ |
---|
| 1184 | /* The ffmpeg command is |
---|
| 1185 | * ffmpeg -f image2 -i /var/tmp/xxxxx/image%d.ppm \ |
---|
| 1186 | * -b bitrate -f framerate /var/tmp/xxxxx/movie.mpeg |
---|
| 1187 | */ |
---|
| 1188 | char cmd[BUFSIZ]; |
---|
[3579] | 1189 | sprintf(cmd, "%s -f image2 -i %s/image%%d.ppm -f %s -b %d -r %f -", |
---|
[3559] | 1190 | FFMPEG, tmpFileName, Tcl_GetString(switchesPtr->formatObjPtr), |
---|
| 1191 | switchesPtr->bitRate, switchesPtr->frameRate); |
---|
[3578] | 1192 | TRACE("Enter: %s", cmd); |
---|
[3559] | 1193 | FILE *f; |
---|
| 1194 | f = popen(cmd, "r"); |
---|
| 1195 | if (f == NULL) { |
---|
| 1196 | Tcl_AppendResult(interp, "can't run ffmpeg: ", |
---|
| 1197 | Tcl_PosixError(interp), (char *)NULL); |
---|
| 1198 | return TCL_ERROR; |
---|
| 1199 | } |
---|
| 1200 | Rappture::Buffer data; |
---|
| 1201 | size_t total = 0; |
---|
| 1202 | for (;;) { |
---|
| 1203 | ssize_t numRead; |
---|
| 1204 | char buffer[BUFSIZ]; |
---|
| 1205 | |
---|
| 1206 | numRead = fread(buffer, sizeof(unsigned char), BUFSIZ, f); |
---|
| 1207 | total += numRead; |
---|
| 1208 | if (numRead == 0) { // EOF |
---|
| 1209 | break; |
---|
| 1210 | } |
---|
| 1211 | if (numRead < 0) { // Error |
---|
[3578] | 1212 | ERROR("Can't read movie data: %s", |
---|
[3559] | 1213 | Tcl_PosixError(interp)); |
---|
| 1214 | Tcl_AppendResult(interp, "can't read movie data: ", |
---|
| 1215 | Tcl_PosixError(interp), (char *)NULL); |
---|
[2875] | 1216 | return TCL_ERROR; |
---|
| 1217 | } |
---|
[3559] | 1218 | if (!data.append(buffer, numRead)) { |
---|
[3578] | 1219 | ERROR("Can't append movie data to buffer %d bytes", |
---|
[3559] | 1220 | numRead); |
---|
| 1221 | Tcl_AppendResult(interp, "can't append movie data to buffer", |
---|
| 1222 | (char *)NULL); |
---|
| 1223 | return TCL_ERROR; |
---|
| 1224 | } |
---|
| 1225 | } |
---|
[3578] | 1226 | if (data.size() == 0) { |
---|
| 1227 | ERROR("ffmpeg returned 0 bytes"); |
---|
| 1228 | } |
---|
[3584] | 1229 | // Send zero length to client so it can deal with error |
---|
| 1230 | sprintf(cmd,"nv>image -type movie -token \"%s\" -bytes %lu\n", |
---|
| 1231 | token, (unsigned long)data.size()); |
---|
| 1232 | NanoVis::sendDataToClient(cmd, data.bytes(), data.size()); |
---|
| 1233 | return TCL_OK; |
---|
[3559] | 1234 | } |
---|
[1429] | 1235 | |
---|
[3559] | 1236 | static int |
---|
| 1237 | FlowVideoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
| 1238 | Tcl_Obj *const *objv) |
---|
| 1239 | { |
---|
| 1240 | FlowVideoSwitches switches; |
---|
| 1241 | const char *token; |
---|
| 1242 | |
---|
| 1243 | token = Tcl_GetString(objv[2]); |
---|
| 1244 | switches.frameRate = 25.0f; // Default frame rate 25 fps |
---|
| 1245 | switches.bitRate = 6000000; // Default video bit rate. |
---|
| 1246 | switches.width = NanoVis::winWidth; |
---|
| 1247 | switches.height = NanoVis::winHeight; |
---|
| 1248 | switches.numFrames = 100; |
---|
| 1249 | switches.formatObjPtr = Tcl_NewStringObj("mpeg1video", 10); |
---|
| 1250 | Tcl_IncrRefCount(switches.formatObjPtr); |
---|
[4612] | 1251 | if (Rappture::ParseSwitches(interp, flowVideoSwitches, |
---|
[3559] | 1252 | objc - 3, objv + 3, &switches, SWITCH_DEFAULTS) < 0) { |
---|
| 1253 | return TCL_ERROR; |
---|
[1429] | 1254 | } |
---|
[3559] | 1255 | if ((switches.width < 0) || (switches.width > SHRT_MAX) || |
---|
| 1256 | (switches.height < 0) || (switches.height > SHRT_MAX)) { |
---|
| 1257 | Tcl_AppendResult(interp, "bad dimensions for video", (char *)NULL); |
---|
| 1258 | return TCL_ERROR; |
---|
[1501] | 1259 | } |
---|
[3559] | 1260 | if ((switches.frameRate < 0.0f) || (switches.frameRate > 30.0f)) { |
---|
| 1261 | Tcl_AppendResult(interp, "bad frame rate.", (char *)NULL); |
---|
[2875] | 1262 | return TCL_ERROR; |
---|
[1429] | 1263 | } |
---|
[3559] | 1264 | if (switches.bitRate < 0) { |
---|
| 1265 | Tcl_AppendResult(interp, "bad bit rate.", (char *)NULL); |
---|
| 1266 | return TCL_ERROR; |
---|
| 1267 | } |
---|
| 1268 | if (NanoVis::licRenderer == NULL) { |
---|
| 1269 | Tcl_AppendResult(interp, "no lic renderer.", (char *)NULL); |
---|
| 1270 | return TCL_ERROR; |
---|
| 1271 | } |
---|
| 1272 | TRACE("FLOW started"); |
---|
| 1273 | |
---|
| 1274 | char *tmpFileName; |
---|
| 1275 | char nameTemplate[200]; |
---|
| 1276 | strcpy(nameTemplate,"/var/tmp/flowXXXXXX"); |
---|
| 1277 | tmpFileName = mkdtemp(nameTemplate); |
---|
| 1278 | int result = TCL_OK; |
---|
| 1279 | if (tmpFileName == NULL) { |
---|
| 1280 | Tcl_AppendResult(interp, "can't create temporary directory \"", |
---|
| 1281 | nameTemplate, "\" for frame image files: ", |
---|
| 1282 | Tcl_PosixError(interp), (char *)NULL); |
---|
| 1283 | return TCL_ERROR; |
---|
| 1284 | } |
---|
| 1285 | size_t length = strlen(tmpFileName); |
---|
| 1286 | bool canceled = false; |
---|
| 1287 | result = MakeImageFiles(interp, tmpFileName, &switches, &canceled); |
---|
| 1288 | if ((result == TCL_OK) && (!canceled)) { |
---|
| 1289 | result = MakeMovie(interp, tmpFileName, token, &switches); |
---|
| 1290 | } |
---|
| 1291 | for (int i = 1; i <= switches.numFrames; i++) { |
---|
| 1292 | sprintf(tmpFileName + length, "/image%d.ppm", i); |
---|
| 1293 | unlink(tmpFileName); |
---|
| 1294 | } |
---|
| 1295 | tmpFileName[length] = '\0'; |
---|
| 1296 | rmdir(tmpFileName); |
---|
[4612] | 1297 | Rappture::FreeSwitches(flowVideoSwitches, &switches, 0); |
---|
[3559] | 1298 | return result; |
---|
[1429] | 1299 | } |
---|
[2070] | 1300 | #else |
---|
[2875] | 1301 | /** |
---|
| 1302 | * Not implemented |
---|
| 1303 | */ |
---|
[2070] | 1304 | static int |
---|
| 1305 | FlowVideoOp(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1306 | Tcl_Obj *const *objv) |
---|
[2070] | 1307 | { |
---|
[2875] | 1308 | return TCL_OK; |
---|
[2070] | 1309 | } |
---|
[2875] | 1310 | #endif /* HAVE_FFMPEG */ |
---|
[1429] | 1311 | |
---|
| 1312 | static Rappture::CmdSpec flowCmdOps[] = { |
---|
| 1313 | {"add", 1, FlowAddOp, 3, 0, "name ?option value...?",}, |
---|
[3567] | 1314 | {"delete", 1, FlowDeleteOp, 3, 0, "name ?name...?",}, |
---|
[1431] | 1315 | {"exists", 1, FlowExistsOp, 3, 3, "name",}, |
---|
[1467] | 1316 | {"goto", 1, FlowGotoOp, 3, 3, "nSteps",}, |
---|
[3567] | 1317 | {"names", 1, FlowNamesOp, 2, 2, "",}, |
---|
[1429] | 1318 | {"next", 2, FlowNextOp, 2, 2, "",}, |
---|
| 1319 | {"reset", 1, FlowResetOp, 2, 2, "",}, |
---|
[1517] | 1320 | {"video", 1, FlowVideoOp, 3, 0, "token ?switches...?",}, |
---|
[1429] | 1321 | }; |
---|
| 1322 | static int nFlowCmdOps = NumCmdSpecs(flowCmdOps); |
---|
| 1323 | |
---|
| 1324 | static int |
---|
| 1325 | FlowCmdProc(ClientData clientData, Tcl_Interp *interp, int objc, |
---|
[2875] | 1326 | Tcl_Obj *const *objv) |
---|
[1429] | 1327 | { |
---|
| 1328 | Tcl_ObjCmdProc *proc; |
---|
| 1329 | |
---|
| 1330 | proc = Rappture::GetOpFromObj(interp, nFlowCmdOps, flowCmdOps, |
---|
[2875] | 1331 | Rappture::CMDSPEC_ARG1, objc, objv, 0); |
---|
[1429] | 1332 | if (proc == NULL) { |
---|
[2875] | 1333 | return TCL_ERROR; |
---|
[1429] | 1334 | } |
---|
| 1335 | return (*proc) (clientData, interp, objc, objv); |
---|
| 1336 | } |
---|
| 1337 | |
---|
[2875] | 1338 | /** |
---|
[3567] | 1339 | *\brief This procedure is invoked to initialize the "flow" command. |
---|
[1429] | 1340 | * |
---|
| 1341 | * Side effects: |
---|
[2875] | 1342 | * Creates the new command and adds a new entry into a global Tcl |
---|
| 1343 | * associative array. |
---|
[1429] | 1344 | */ |
---|
| 1345 | int |
---|
| 1346 | FlowCmdInitProc(Tcl_Interp *interp) |
---|
| 1347 | { |
---|
| 1348 | Tcl_CreateObjCommand(interp, "flow", FlowCmdProc, NULL, NULL); |
---|
| 1349 | return TCL_OK; |
---|
| 1350 | } |
---|