Convert .tgs with go libraries (and cgo) (telegram) (#1569)

This commit adds support for go/cgo tgs conversion when building with the -tags `cgo` The default binaries are still "pure" go and uses the old way of converting. * Move lottie_convert.py conversion code to its own file * Add optional libtgsconverter * Update vendor * Apply suggestions from code review * Update bridge/helper/libtgsconverter.go Co-authored-by: Wim <wim@42.be>
2021-08-25 04:32:50 +08:00
parent d4195deb3a
commit 53cafa9f3d
310 changed files with 121526 additions and 85 deletions
--- a/vendor/github.com/Benau/go_rlottie/vector_vpathmesure.cpp
+++ b/vendor/github.com/Benau/go_rlottie/vector_vpathmesure.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd. 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
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "vector_vpathmesure.h"
+#include <limits>
+#include "vector_vbezier.h"
+#include "vector_vdasher.h"
+
+V_BEGIN_NAMESPACE
+
+/*
+ * start and end value must be normalized to [0 - 1]
+ * Path mesure trims the path from [start --> end]
+ * if start > end it treates as a loop and trims as two segment
+ *  [0-->end] and [start --> 1]
+ */
+VPath VPathMesure::trim(const VPath &path)
+{
+    if (vCompare(mStart, mEnd)) return VPath();
+
+    if ((vCompare(mStart, 0.0f) && (vCompare(mEnd, 1.0f))) ||
+        (vCompare(mStart, 1.0f) && (vCompare(mEnd, 0.0f))))
+        return path;
+
+    float length = path.length();
+
+    if (mStart < mEnd) {
+        float array[4] = {
+            0.0f, length * mStart,  // 1st segment
+            (mEnd - mStart) * length,
+            std::numeric_limits<float>::max(),  // 2nd segment
+        };
+        VDasher dasher(array, 4);
+        dasher.dashed(path, mScratchObject);
+        return mScratchObject;
+    } else {
+        float array[4] = {
+            length * mEnd, (mStart - mEnd) * length,  // 1st segment
+            (1 - mStart) * length,
+            std::numeric_limits<float>::max(),  // 2nd segment
+        };
+        VDasher dasher(array, 4);
+        dasher.dashed(path, mScratchObject);
+        return mScratchObject;
+    }
+}
+
+V_END_NAMESPACE