diff options
Diffstat (limited to 'thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp')
| -rw-r--r-- | thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp b/thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp index c02e28b432..9e215dbefd 100644 --- a/thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp +++ b/thirdparty/thorvg/src/lib/sw_engine/tvgSwImage.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020 - 2022 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2020 - 2023 the ThorVG project. All rights reserved. * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -19,6 +19,7 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ + #include "tvgMath.h" #include "tvgSwCommon.h" @@ -33,7 +34,7 @@ static inline bool _onlyShifted(const Matrix* m) } -static bool _genOutline(SwImage* image, const Matrix* transform, SwMpool* mpool, unsigned tid) +static bool _genOutline(SwImage* image, const RenderMesh* mesh, const Matrix* transform, SwMpool* mpool, unsigned tid) { image->outline = mpoolReqOutline(mpool, tid); auto outline = image->outline; @@ -51,10 +52,50 @@ static bool _genOutline(SwImage* image, const Matrix* transform, SwMpool* mpool, outline->closed[0] = true; } - auto w = static_cast<float>(image->w); - auto h = static_cast<float>(image->h); + Point to[4]; + if (mesh->triangleCnt > 0) { + // TODO: Optimise me. We appear to calculate this exact min/max bounding area in multiple + // places. We should be able to re-use one we have already done? Also see: + // tvgPictureImpl.h --> bounds + // tvgSwRasterTexmap.h --> _rasterTexmapPolygonMesh + // + // TODO: Should we calculate the exact path(s) of the triangle mesh instead? + // i.e. copy tvgSwShape.capp -> _genOutline? + // + // TODO: Cntrs? + auto triangles = mesh->triangles; + auto min = triangles[0].vertex[0].pt; + auto max = triangles[0].vertex[0].pt; + + for (uint32_t i = 0; i < mesh->triangleCnt; ++i) { + if (triangles[i].vertex[0].pt.x < min.x) min.x = triangles[i].vertex[0].pt.x; + else if (triangles[i].vertex[0].pt.x > max.x) max.x = triangles[i].vertex[0].pt.x; + if (triangles[i].vertex[0].pt.y < min.y) min.y = triangles[i].vertex[0].pt.y; + else if (triangles[i].vertex[0].pt.y > max.y) max.y = triangles[i].vertex[0].pt.y; + + if (triangles[i].vertex[1].pt.x < min.x) min.x = triangles[i].vertex[1].pt.x; + else if (triangles[i].vertex[1].pt.x > max.x) max.x = triangles[i].vertex[1].pt.x; + if (triangles[i].vertex[1].pt.y < min.y) min.y = triangles[i].vertex[1].pt.y; + else if (triangles[i].vertex[1].pt.y > max.y) max.y = triangles[i].vertex[1].pt.y; + + if (triangles[i].vertex[2].pt.x < min.x) min.x = triangles[i].vertex[2].pt.x; + else if (triangles[i].vertex[2].pt.x > max.x) max.x = triangles[i].vertex[2].pt.x; + if (triangles[i].vertex[2].pt.y < min.y) min.y = triangles[i].vertex[2].pt.y; + else if (triangles[i].vertex[2].pt.y > max.y) max.y = triangles[i].vertex[2].pt.y; + } + to[0] = {min.x, min.y}; + to[1] = {max.x, min.y}; + to[2] = {max.x, max.y}; + to[3] = {min.x, max.y}; + } else { + auto w = static_cast<float>(image->w); + auto h = static_cast<float>(image->h); + to[0] = {0, 0}; + to[1] = {w, 0}; + to[2] = {w, h}; + to[3] = {0, h}; + } - Point to[4] = {{0 ,0}, {w, 0}, {w, h}, {0, h}}; for (int i = 0; i < 4; i++) { outline->pts[outline->ptsCnt] = mathTransform(&to[i], transform); outline->types[outline->ptsCnt] = SW_CURVE_TYPE_POINT; @@ -78,7 +119,7 @@ static bool _genOutline(SwImage* image, const Matrix* transform, SwMpool* mpool, /* External Class Implementation */ /************************************************************************/ -bool imagePrepare(SwImage* image, const Matrix* transform, const SwBBox& clipRegion, SwBBox& renderRegion, SwMpool* mpool, unsigned tid) +bool imagePrepare(SwImage* image, const RenderMesh* mesh, const Matrix* transform, const SwBBox& clipRegion, SwBBox& renderRegion, SwMpool* mpool, unsigned tid) { image->direct = _onlyShifted(transform); @@ -96,7 +137,7 @@ bool imagePrepare(SwImage* image, const Matrix* transform, const SwBBox& clipReg else image->scaled = false; } - if (!_genOutline(image, transform, mpool, tid)) return false; + if (!_genOutline(image, mesh, transform, mpool, tid)) return false; return mathUpdateOutlineBBox(image->outline, clipRegion, renderRegion, image->direct); } |