ThorVG: update from v0.11.6 to v0.12.0

https://github.com/thorvg/thorvg/releases/tag/v0.12.0

Godot-related SVG bug fixes:

+ [SwEngine] Fixed a linear filling scaling issue.
      thorvg/thorvg#1834
+ [SwEngine] Path data not invalid even though
      it doesn't start with MoveTo.
      thorvg/thorvg#1848

Fixes #86128 Gradient issue.

1 files changed, 191 insertions, 0 deletions

diff --git a/thirdparty/thorvg/src/renderer/tvgText.h b/thirdparty/thorvg/src/renderer/tvgText.h
new file mode 100644
index 0000000000..b9f7ef6079
--- /dev/null
+++ b/thirdparty/thorvg/src/renderer/tvgText.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2023 - 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.
+ */
+
+#ifndef _TVG_TEXT_H
+#define _TVG_TEXT_H
+
+#include <cstring>
+#include "tvgShape.h"
+#include "tvgFill.h"
+
+#ifdef THORVG_TTF_LOADER_SUPPORT
+    #include "tvgTtfLoader.h"
+#else
+    #include "tvgLoader.h"
+#endif
+
+struct Text::Impl
+{
+    RenderData rd = nullptr;
+    FontLoader* loader = nullptr;
+    Shape* paint = nullptr;
+    char* utf8 = nullptr;
+    float fontSize;
+    bool italic = false;
+    bool changed = false;
+
+    ~Impl()
+    {
+        free(utf8);
+        LoaderMgr::retrieve(loader);
+        delete(paint);
+    }
+
+    Result fill(uint8_t r, uint8_t g, uint8_t b)
+    {
+        return paint->fill(r, g, b);
+    }
+
+    Result fill(Fill* f)
+    {
+        return paint->fill(cast<Fill>(f));
+    }
+
+    Result text(const char* utf8)
+    {
+        free(this->utf8);
+        if (utf8) this->utf8 = strdup(utf8);
+        else this->utf8 = nullptr;
+        changed = true;
+
+        return Result::Success;
+    }
+
+    Result font(const char* name, float size, const char* style)
+    {
+        auto loader = LoaderMgr::loader(name);
+        if (!loader) return Result::InsufficientCondition;
+
+        //Same resource has been loaded.
+        if (this->loader == loader) {
+            this->loader->sharing--;  //make it sure the reference counting.
+            return Result::Success;
+        } else if (this->loader) {
+            LoaderMgr::retrieve(this->loader);
+        }
+        this->loader = static_cast<FontLoader*>(loader);
+
+        if (!paint) paint = Shape::gen().release();
+
+        fontSize = size;
+        if (style && strstr(style, "italic")) italic = true;
+        changed = true;
+        return Result::Success;
+    }
+
+    RenderRegion bounds(RenderMethod& renderer)
+    {
+        return renderer.region(rd);
+    }
+
+    bool render(RenderMethod& renderer)
+    {
+        if (paint) return PP(paint)->render(renderer);
+        return false;
+    }
+
+    bool load()
+    {
+        if (!loader) return false;
+
+        //reload
+        if (changed) {
+            loader->request(paint, utf8, italic);
+            loader->read();
+            changed = false;
+        }
+        if (paint) {
+            loader->resize(paint, fontSize, fontSize);
+            return true;
+        }
+        return false;
+    }
+
+    RenderData update(RenderMethod& renderer, const RenderTransform* transform, Array<RenderData>& clips, uint8_t opacity, RenderUpdateFlag pFlag, bool clipper)
+    {
+        if (!load()) return nullptr;
+
+        //transform the gradient coordinates based on the final scaled font.
+        if (P(paint)->flag & RenderUpdateFlag::Gradient) {
+            auto fill = P(paint)->rs.fill;
+            auto scale = 1.0f / loader->scale;
+            if (fill->identifier() == TVG_CLASS_ID_LINEAR) {
+                P(static_cast<LinearGradient*>(fill))->x1 *= scale;
+                P(static_cast<LinearGradient*>(fill))->y1 *= scale;
+                P(static_cast<LinearGradient*>(fill))->x2 *= scale;
+                P(static_cast<LinearGradient*>(fill))->y2 *= scale;
+            } else {
+                P(static_cast<RadialGradient*>(fill))->cx *= scale;
+                P(static_cast<RadialGradient*>(fill))->cy *= scale;
+                P(static_cast<RadialGradient*>(fill))->r *= scale;
+                P(static_cast<RadialGradient*>(fill))->fx *= scale;
+                P(static_cast<RadialGradient*>(fill))->fy *= scale;
+                P(static_cast<RadialGradient*>(fill))->fr *= scale;
+            }
+        }
+        rd = PP(paint)->update(renderer, transform, clips, opacity, pFlag, clipper);
+        return rd;
+    }
+
+    bool bounds(float* x, float* y, float* w, float* h, TVG_UNUSED bool stroking)
+    {
+        if (!load() || !paint) return false;
+        paint->bounds(x, y, w, h, true);
+        return true;
+    }
+
+    bool dispose(RenderMethod& renderer)
+    {
+        renderer.dispose(rd);
+        this->rd = nullptr;
+        return true;
+    }
+
+    Paint* duplicate()
+    {
+        load();
+
+        auto ret = Text::gen().release();
+        auto dup = ret->pImpl;
+        if (paint) dup->paint = static_cast<Shape*>(paint->duplicate());
+
+        if (loader) {
+            dup->loader = loader;
+            ++dup->loader->sharing;
+        }
+
+        dup->utf8 = strdup(utf8);
+        dup->italic = italic;
+        dup->fontSize = fontSize;
+
+        return ret;
+    }
+
+    Iterator* iterator()
+    {
+        return nullptr;
+    }
+};
+
+
+
+#endif //_TVG_TEXT_H