feat: godot-engine-source-4.3-stable

engine/thirdparty/thorvg/src/renderer/tvgRender.cpp

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2020 - 2024 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
+ * 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 "tvgMath.h"
+#include "tvgRender.h"
+
+/************************************************************************/
+/* Internal Class Implementation                                        */
+/************************************************************************/
+
+
+/************************************************************************/
+/* External Class Implementation                                        */
+/************************************************************************/
+
+uint32_t RenderMethod::ref()
+{
+    ScopedLock lock(key);
+    return (++refCnt);
+}
+
+
+uint32_t RenderMethod::unref()
+{
+    ScopedLock lock(key);
+    return (--refCnt);
+}
+
+
+void RenderTransform::override(const Matrix& m)
+{
+    this->m = m;
+    overriding = true;
+}
+
+
+void RenderTransform::update()
+{
+    if (overriding) return;
+
+    m.e11 = 1.0f;
+    m.e12 = 0.0f;
+
+    m.e21 = 0.0f;
+    m.e22 = 1.0f;
+
+    m.e31 = 0.0f;
+    m.e32 = 0.0f;
+    m.e33 = 1.0f;
+
+    mathScale(&m, scale, scale);
+    mathRotate(&m, degree);
+}
+
+
+RenderTransform::RenderTransform(const RenderTransform* lhs, const RenderTransform* rhs)
+{
+    if (lhs && rhs) m = lhs->m * rhs->m;
+    else if (lhs) m = lhs->m;
+    else if (rhs) m = rhs->m;
+    else mathIdentity(&m);
+}
+
+
+void RenderRegion::intersect(const RenderRegion& rhs)
+{
+    auto x1 = x + w;
+    auto y1 = y + h;
+    auto x2 = rhs.x + rhs.w;
+    auto y2 = rhs.y + rhs.h;
+
+    x = (x > rhs.x) ? x : rhs.x;
+    y = (y > rhs.y) ? y : rhs.y;
+    w = ((x1 < x2) ? x1 : x2) - x;
+    h = ((y1 < y2) ? y1 : y2) - y;
+
+    if (w < 0) w = 0;
+    if (h < 0) h = 0;
+}
+
+
+void RenderRegion::add(const RenderRegion& rhs)
+{
+    if (rhs.x < x) {
+        w += (x - rhs.x);
+        x = rhs.x;
+    }
+    if (rhs.y < y) {
+        h += (y - rhs.y);
+        y = rhs.y;
+    }
+    if (rhs.x + rhs.w > x + w) w = (rhs.x + rhs.w) - x;
+    if (rhs.y + rhs.h > y + h) h = (rhs.y + rhs.h) - y;
+}