diff options
author | Tamito Kajiyama <rd6t-kjym@asahi-net.or.jp> | 2014-05-03 13:51:53 +0400 |
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committer | Tamito Kajiyama <rd6t-kjym@asahi-net.or.jp> | 2014-05-03 13:54:59 +0400 |
commit | b7f085d9c128f31d576c732c6439b5a71e8922ee (patch) | |
tree | 8a1fdc2e95470f61d9121b18b125dc272e87d536 /source/blender/freestyle/intern/stroke/StrokeRep.cpp | |
parent | 6ec2d72eca618be05e9bf0723886b10e6d5efa46 (diff) |
Patch D246: Texture Marks for freestyle strokes, written and contributed by Paolo Acampora.
Reviewers: brecht, kjym3, #freestyle
Reviewed By: brecht, kjym3
Differential Revision: https://developer.blender.org/D246
Diffstat (limited to 'source/blender/freestyle/intern/stroke/StrokeRep.cpp')
-rw-r--r-- | source/blender/freestyle/intern/stroke/StrokeRep.cpp | 242 |
1 files changed, 107 insertions, 135 deletions
diff --git a/source/blender/freestyle/intern/stroke/StrokeRep.cpp b/source/blender/freestyle/intern/stroke/StrokeRep.cpp index 1b9ab725ab9..4cfdd860d20 100644 --- a/source/blender/freestyle/intern/stroke/StrokeRep.cpp +++ b/source/blender/freestyle/intern/stroke/StrokeRep.cpp @@ -45,6 +45,7 @@ StrokeVertexRep::StrokeVertexRep(const StrokeVertexRep& iBrother) { _point2d = iBrother._point2d; _texCoord = iBrother._texCoord; + _texCoord_w_tips = iBrother._texCoord_w_tips; _color = iBrother._color; _alpha = iBrother._alpha; } @@ -53,13 +54,13 @@ StrokeVertexRep::StrokeVertexRep(const StrokeVertexRep& iBrother) // STRIP ///////////////////////////////////// -Strip::Strip(const vector<StrokeVertex*>& iStrokeVertices, bool hasTips, bool beginTip, bool endTip) +Strip::Strip(const vector<StrokeVertex*>& iStrokeVertices, bool hasTips, bool beginTip, bool endTip, float texStep) { createStrip(iStrokeVertices); - if (!hasTips) - computeTexCoord (iStrokeVertices); - else - computeTexCoordWithTips (iStrokeVertices, beginTip, endTip); + + // We compute both kinds of coordinates to use different kinds of textures + computeTexCoord (iStrokeVertices, texStep); + computeTexCoordWithTips (iStrokeVertices, beginTip, endTip, texStep); } Strip::Strip(const Strip& iBrother) @@ -485,21 +486,19 @@ void Strip::cleanUpSingularities (const vector<StrokeVertex*>& iStrokeVertices) // Texture coordinates //////////////////////////////// -void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices) +void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices, float texStep) { vector<StrokeVertex *>::const_iterator v, vend; StrokeVertex *sv; int i = 0; for (v = iStrokeVertices.begin(), vend = iStrokeVertices.end(); v != vend; v++) { sv = (*v); - _vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / _averageThickness), 0)); - _vertices[i]->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); + _vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / (_averageThickness * texStep)), 0)); + _vertices[i]->setColor(Vec3r(sv->attribute().getColorRGB())); _vertices[i]->setAlpha(sv->attribute().getAlpha()); i++; - _vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / _averageThickness), 1)); - _vertices[i]->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); + _vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / (_averageThickness * texStep)), 1)); + _vertices[i]->setColor(Vec3r(sv->attribute().getColorRGB())); _vertices[i]->setAlpha(sv->attribute().getAlpha()); i++; #if 0 @@ -509,23 +508,23 @@ void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices) } } -void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd) +void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd, float texStep) { - //soc unused - unsigned int sizeStrip = _vertices.size() + 8; //for the transition between the tip and the body vector<StrokeVertex*>::const_iterator v, vend; StrokeVertex *sv = NULL; + StrokeVertexRep *tvRep[2] = {NULL}; + + float l, fact, t; + float u = 0, uPrev = 0; + int tiles; + int i = 0; + float spacedThickness = _averageThickness * texStep; v = iStrokeVertices.begin(); vend = iStrokeVertices.end(); - float l = (*v)->strokeLength() / _averageThickness; - int tiles = int(l); - float fact = (float(tiles) + 0.5) / l; - //soc unused - float uTip2 = float(tiles) + 0.25; - float u = 0; - float uPrev = 0; - int i = 0; - float t; - StrokeVertexRep *tvRep1, *tvRep2; + l = (*v)->strokeLength() / spacedThickness; + tiles = int(l + 0.5); // round to the nearest + fact = (float(tiles) + 0.5) / l; #if 0 cerr << "l=" << l << " tiles=" << tiles << " _averageThicnkess=" @@ -538,166 +537,117 @@ void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertice for (; v != vend; v++) { sv = (*v); svRep = *currentSV; - u = sv->curvilinearAbscissa() / _averageThickness * fact; + u = sv->curvilinearAbscissa() / spacedThickness * fact; if (u > 0.25) break; - svRep->setTexCoord(Vec2r((real)u, 0.5)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 0.5), true); i++; ++currentSV; svRep = *currentSV; - svRep->setTexCoord(Vec2r((real)u, 1)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 1), true); i++; ++currentSV; uPrev = u; } - //first transition vertex + // first transition vertex if (fabs(u - uPrev) > ZERO) t = (0.25 - uPrev) / (u - uPrev); else t = 0; -#if 0 - if (!tiles) - t = 0.5; -#endif - tvRep1 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d())); - tvRep1->setTexCoord(Vec2r(0.25, 0.5)); - tvRep1->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() + - t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2]))); - tvRep1->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); - i++; - - tvRep2 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t *_vertices[i]->point2d())); - tvRep2->setTexCoord(Vec2r(0.25, 1)); - tvRep2->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() + - t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2]))); - tvRep2->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); - i++; - - currentSV = _vertices.insert(currentSV, tvRep1); - ++currentSV; - currentSV = _vertices.insert(currentSV, tvRep2); - ++currentSV; + for (int k = 0; k < 2; k++) { + tvRep[k] = new StrokeVertexRep((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d()); + tvRep[k]->setTexCoord((1 - t) * _vertices[i - 2]->texCoord() + t * _vertices[i]->texCoord()); + // v coord is 0.5 for tvRep[0], 1.0 for tvRep[1] + tvRep[k]->setTexCoord(Vec2r(0.25, 0.5 * (k + 1)), true); + tvRep[k]->setColor((1 - t) * _vertices[i - 2]->color() + t * Vec3r(sv->attribute().getColorRGB())); + tvRep[k]->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); + i++; + } + for (int k = 0; k < 2; k++) { + currentSV = _vertices.insert(currentSV, tvRep[k]); + ++currentSV; + } // copy the vertices with different texture coordinates - tvRep1 = new StrokeVertexRep(_vertices[i - 2]->point2d()); - tvRep1->setTexCoord(Vec2r(0.25, 0)); - tvRep1->setColor(_vertices[i - 2]->color()); - tvRep1->setAlpha(_vertices[i - 2]->alpha()); - i++; - - tvRep2 = new StrokeVertexRep(_vertices[i - 2]->point2d()); - tvRep2->setTexCoord(Vec2r(0.25, 0.5)); - tvRep2->setColor(_vertices[i - 2]->color()); - tvRep2->setAlpha(_vertices[i - 2]->alpha()); - i++; - - currentSV = _vertices.insert(currentSV, tvRep1); - ++currentSV; - currentSV = _vertices.insert(currentSV, tvRep2); - ++currentSV; + for (int k = 0; k < 2; k++) { + tvRep[k] = new StrokeVertexRep(*(_vertices[i - 2])); + // v coord is 0.0 for tvRep[0], 0.5 for tvRep[1] + tvRep[k]->setTexCoord(Vec2r(0.0, 0.5 * k), true); // FIXED u coord + i++; + } + for (int k = 0; k < 2; k++) { + currentSV = _vertices.insert(currentSV, tvRep[k]); + ++currentSV; + } } uPrev = 0; - //body of the stroke + // body of the stroke for (; v != vend; v++) { sv = (*v); svRep = *currentSV; - u = sv->curvilinearAbscissa() / _averageThickness * fact - 0.25; + u = sv->curvilinearAbscissa() / spacedThickness * fact - 0.25; if (u > tiles) break; - svRep->setTexCoord(Vec2r((real)u, 0)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 0), true); i++; ++currentSV; svRep = *currentSV; - svRep->setTexCoord(Vec2r((real)u, 0.5)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 0.5), true); i++; ++currentSV; uPrev = u; } if (tipEnd) { - //second transition vertex - if ((fabs(u - uPrev) > ZERO)) + // second transition vertex + if (fabs(u - uPrev) > ZERO) t = (float(tiles) - uPrev) / (u - uPrev); else t = 0; + for (int k = 0; k < 2; k++) { + tvRep[k] = new StrokeVertexRep((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d()); + tvRep[k]->setTexCoord((1 - t) * _vertices[i - 2]->texCoord() + t * _vertices[i]->texCoord()); + // v coord is 0.0 for tvRep[0], 0.5 for tvRep[1] + tvRep[k]->setTexCoord(Vec2r((real)tiles, 0.5 * k), true); // FIXED u coord + tvRep[k]->setColor((1 - t) * _vertices[i - 2]->color() + t * Vec3r(sv->attribute().getColorRGB())); + tvRep[k]->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); + i++; + } + for (int k = 0; k < 2; k++) { + currentSV = _vertices.insert(currentSV, tvRep[k]); + ++currentSV; + } - tvRep1 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d())); - tvRep1->setTexCoord(Vec2r((real)tiles, 0)); - tvRep1->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() + - t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2]))); - tvRep1->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); - i++; - - tvRep2 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d())); - tvRep2->setTexCoord(Vec2r((real)tiles, 0.5)); - tvRep2->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() + - t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2]))); - tvRep2->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha()); - i++; - - currentSV = _vertices.insert(currentSV, tvRep1); - ++currentSV; - currentSV = _vertices.insert(currentSV, tvRep2); - ++currentSV; - - //copy the vertices with different texture coordinates - tvRep1 = new StrokeVertexRep(_vertices[i - 2]->point2d()); - tvRep1->setTexCoord(Vec2r(0.75, 0.5)); - tvRep1->setColor(_vertices[i - 2]->color()); - tvRep1->setAlpha(_vertices[i - 2]->alpha()); - i++; - - tvRep2 = new StrokeVertexRep(_vertices[i - 2]->point2d()); - tvRep2->setTexCoord(Vec2r(0.75, 1)); - tvRep2->setColor(_vertices[i - 2]->color()); - tvRep2->setAlpha(_vertices[i - 2]->alpha()); - i++; - - currentSV = _vertices.insert(currentSV, tvRep1); - ++currentSV; - currentSV = _vertices.insert(currentSV, tvRep2); - ++currentSV; + // copy the vertices with different texture coordinates + for (int k = 0; k < 2; k++) { + tvRep[k] = new StrokeVertexRep(*(_vertices[i - 2])); + // v coord is 0.5 for tvRep[0], 1.0 for tvRep[1] + tvRep[k]->setTexCoord(Vec2r(0.75, 0.5 * (k + 1)), true); + i++; + } + for (int k = 0; k < 2; k++) { + currentSV = _vertices.insert(currentSV, tvRep[k]); + ++currentSV; + } - //end tip + // end tip for (; v != vend; v++) { - sv = (*v); + sv = (*v); svRep = *currentSV; - u = 0.75 + sv->curvilinearAbscissa() / _averageThickness * fact - float(tiles) - 0.25; + u = 0.75 + sv->curvilinearAbscissa() / spacedThickness * fact - float(tiles) - 0.25; - svRep->setTexCoord(Vec2r((real)u, 0.5)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 0.5), true); i++; ++currentSV; svRep = *currentSV; - svRep->setTexCoord(Vec2r((real)u, 1)); - svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1], - sv->attribute().getColor()[2])); - svRep->setAlpha(sv->attribute().getAlpha()); + svRep->setTexCoord(Vec2r((real)u, 1), true); i++; ++currentSV; } @@ -729,6 +679,10 @@ StrokeRep::StrokeRep() { _stroke = 0; _strokeType = Stroke::OPAQUE_MEDIUM; + _textureStep = 1.0; + for (int a = 0; a < MAX_MTEX; a++) { + _mtex[a] = NULL; + } TextureManager *ptm = TextureManager::getInstance(); if (ptm) _textureId = ptm->getDefaultTextureId(); @@ -746,6 +700,15 @@ StrokeRep::StrokeRep(Stroke *iStroke) _stroke = iStroke; _strokeType = iStroke->getMediumType(); _textureId = iStroke->getTextureId(); + _textureStep = iStroke->getTextureStep(); + for (int a = 0; a < MAX_MTEX; a++) { + if (iStroke->getMTex(a)) { + _mtex[a] = iStroke->getMTex(a); + } + else { + _mtex[a] = NULL; + } + } if (_textureId == 0) { TextureManager *ptm = TextureManager::getInstance(); if (ptm) @@ -768,6 +731,15 @@ StrokeRep::StrokeRep(const StrokeRep& iBrother) _stroke = iBrother._stroke; _strokeType = iBrother._strokeType; _textureId = iBrother._textureId; + _textureStep = iBrother._textureStep; + for (int a = 0; a < MAX_MTEX; a++) { + if (iBrother._mtex[a]) { + _mtex[a] = iBrother._mtex[a]; + } + else { + _mtex[a] = NULL; + } + } for (vector<Strip*>::const_iterator s = iBrother._strips.begin(), send = iBrother._strips.end(); s != send; ++s) @@ -811,7 +783,7 @@ void StrokeRep::create() end = true; } if ((!strip.empty()) && (strip.size() > 1)) { - _strips.push_back(new Strip(strip, _stroke->hasTips(), first, end)); + _strips.push_back(new Strip(strip, _stroke->hasTips(), first, end, _stroke->getTextureStep())); strip.clear(); } first = false; |