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108 lines
2.5 KiB
108 lines
2.5 KiB
/*
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* Copyright 2006 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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// Inspired by Rob Johnson's most excellent QuickDraw GX sample code
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#ifndef SkCamera_DEFINED
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#define SkCamera_DEFINED
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#include "include/core/SkM44.h"
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#include "include/core/SkMatrix.h"
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#include "include/private/SkNoncopyable.h"
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// NOTE -- This entire header / impl is deprecated, and will be removed from Skia soon.
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//
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// Skia now has support for a 4x matrix (SkM44) in SkCanvas.
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//
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class SkCanvas;
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// DEPRECATED
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class SkPatch3D {
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public:
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SkPatch3D();
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void reset();
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void transform(const SkM44&, SkPatch3D* dst = nullptr) const;
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// dot a unit vector with the patch's normal
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SkScalar dotWith(SkScalar dx, SkScalar dy, SkScalar dz) const;
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SkScalar dotWith(const SkV3& v) const {
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return this->dotWith(v.x, v.y, v.z);
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}
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// deprecated, but still here for animator (for now)
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void rotate(SkScalar /*x*/, SkScalar /*y*/, SkScalar /*z*/) {}
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void rotateDegrees(SkScalar /*x*/, SkScalar /*y*/, SkScalar /*z*/) {}
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private:
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public: // make public for SkDraw3D for now
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SkV3 fU, fV;
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SkV3 fOrigin;
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friend class SkCamera3D;
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};
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// DEPRECATED
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class SkCamera3D {
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public:
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SkCamera3D();
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void reset();
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void update();
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void patchToMatrix(const SkPatch3D&, SkMatrix* matrix) const;
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SkV3 fLocation; // origin of the camera's space
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SkV3 fAxis; // view direction
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SkV3 fZenith; // up direction
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SkV3 fObserver; // eye position (may not be the same as the origin)
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private:
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mutable SkMatrix fOrientation;
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mutable bool fNeedToUpdate;
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void doUpdate() const;
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};
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// DEPRECATED
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class SK_API Sk3DView : SkNoncopyable {
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public:
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Sk3DView();
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~Sk3DView();
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void save();
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void restore();
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void translate(SkScalar x, SkScalar y, SkScalar z);
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void rotateX(SkScalar deg);
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void rotateY(SkScalar deg);
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void rotateZ(SkScalar deg);
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#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
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void setCameraLocation(SkScalar x, SkScalar y, SkScalar z);
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SkScalar getCameraLocationX() const;
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SkScalar getCameraLocationY() const;
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SkScalar getCameraLocationZ() const;
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#endif
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void getMatrix(SkMatrix*) const;
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void applyToCanvas(SkCanvas*) const;
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SkScalar dotWithNormal(SkScalar dx, SkScalar dy, SkScalar dz) const;
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private:
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struct Rec {
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Rec* fNext;
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SkM44 fMatrix;
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};
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Rec* fRec;
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Rec fInitialRec;
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SkCamera3D fCamera;
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};
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#endif
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