The Android Open Source Project | 2629178 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 1 | /* libs/graphics/animator/SkDraw3D.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include "SkDraw3D.h" |
| 19 | #include "SkAnimateMaker.h" |
| 20 | #include "SkCanvas.h" |
| 21 | #include "SkTypedArray.h" |
| 22 | |
| 23 | #if SK_USE_CONDENSED_INFO == 0 |
| 24 | |
| 25 | const SkMemberInfo Sk3D_Point::fInfo[] = { |
| 26 | SK_MEMBER_ALIAS(x, fPoint.fX, Float), |
| 27 | SK_MEMBER_ALIAS(y, fPoint.fY, Float), |
| 28 | SK_MEMBER_ALIAS(z, fPoint.fZ, Float) |
| 29 | }; |
| 30 | |
| 31 | #endif |
| 32 | |
| 33 | DEFINE_NO_VIRTUALS_GET_MEMBER(Sk3D_Point); |
| 34 | |
| 35 | Sk3D_Point::Sk3D_Point() { |
| 36 | fPoint.set(0, 0, 0); |
| 37 | } |
| 38 | |
| 39 | #if SK_USE_CONDENSED_INFO == 0 |
| 40 | |
| 41 | const SkMemberInfo Sk3D_Camera::fInfo[] = { |
| 42 | SK_MEMBER_ALIAS(axis, fCamera.fAxis, 3D_Point), |
| 43 | SK_MEMBER(hackHeight, Float), |
| 44 | SK_MEMBER(hackWidth, Float), |
| 45 | SK_MEMBER_ALIAS(location, fCamera.fLocation, 3D_Point), |
| 46 | SK_MEMBER_ALIAS(observer, fCamera.fObserver, 3D_Point), |
| 47 | SK_MEMBER(patch, 3D_Patch), |
| 48 | SK_MEMBER_ALIAS(zenith, fCamera.fZenith, 3D_Point), |
| 49 | }; |
| 50 | |
| 51 | #endif |
| 52 | |
| 53 | DEFINE_GET_MEMBER(Sk3D_Camera); |
| 54 | |
| 55 | Sk3D_Camera::Sk3D_Camera() : hackWidth(0), hackHeight(0), patch(NULL) { |
| 56 | } |
| 57 | |
| 58 | Sk3D_Camera::~Sk3D_Camera() { |
| 59 | } |
| 60 | |
| 61 | bool Sk3D_Camera::draw(SkAnimateMaker& maker) { |
| 62 | fCamera.update(); |
| 63 | SkMatrix matrix; |
| 64 | fCamera.patchToMatrix(patch->fPatch, &matrix); |
| 65 | matrix.preTranslate(hackWidth / 2, -hackHeight / 2); |
| 66 | matrix.postTranslate(hackWidth / 2, hackHeight / 2); |
| 67 | maker.fCanvas->concat(matrix); |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | |
| 72 | enum Sk3D_Patch_Functions { |
| 73 | SK_FUNCTION(rotateDegrees) |
| 74 | }; |
| 75 | |
| 76 | const SkFunctionParamType Sk3D_Patch::fFunctionParameters[] = { |
| 77 | (SkFunctionParamType) SkType_Float, |
| 78 | (SkFunctionParamType) SkType_Float, |
| 79 | (SkFunctionParamType) SkType_Float, |
| 80 | (SkFunctionParamType) 0 // terminator for parameter list (there may be multiple parameter lists) |
| 81 | }; |
| 82 | |
| 83 | #if SK_USE_CONDENSED_INFO == 0 |
| 84 | |
| 85 | const SkMemberInfo Sk3D_Patch::fInfo[] = { |
| 86 | SK_MEMBER_ALIAS(origin, fPatch.fOrigin, 3D_Point), |
| 87 | SK_MEMBER_FUNCTION(rotateDegrees, Float), |
| 88 | SK_MEMBER_ALIAS(u, fPatch.fU, 3D_Point), |
| 89 | SK_MEMBER_ALIAS(v, fPatch.fV, 3D_Point) |
| 90 | }; |
| 91 | |
| 92 | #endif |
| 93 | |
| 94 | DEFINE_GET_MEMBER(Sk3D_Patch); |
| 95 | |
| 96 | void Sk3D_Patch::executeFunction(SkDisplayable* target, int index, |
| 97 | SkTDArray<SkScriptValue>& parameters, SkDisplayTypes type, |
| 98 | SkScriptValue* ) { |
| 99 | SkASSERT(target == this); |
| 100 | switch (index) { |
| 101 | case SK_FUNCTION(rotateDegrees): |
| 102 | SkASSERT(parameters.count() == 3); |
| 103 | SkASSERT(type == SkType_Float); |
| 104 | fPatch.rotateDegrees(parameters[0].fOperand.fScalar, |
| 105 | parameters[1].fOperand.fScalar, parameters[2].fOperand.fScalar); |
| 106 | break; |
| 107 | default: |
| 108 | SkASSERT(0); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | const SkFunctionParamType* Sk3D_Patch::getFunctionsParameters() { |
| 113 | return fFunctionParameters; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | |