Use ThorVG instead of NanoSVG for importing SVGs

ThorVG is a platform-independent portable library for drawing vector-based
scene and animation.

Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/thirdparty/thorvg/src/lib/sw_engine/tvgSwRasterC.h b/thirdparty/thorvg/src/lib/sw_engine/tvgSwRasterC.h
new file mode 100644
index 0000000000..6d60957eb9
--- /dev/null
+++ b/thirdparty/thorvg/src/lib/sw_engine/tvgSwRasterC.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2021 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.
+ */
+
+
+static void inline cRasterRGBA32(uint32_t *dst, uint32_t val, uint32_t offset, int32_t len)
+{
+    dst += offset;
+    while (len--) *dst++ = val;
+}
+
+
+static bool inline cRasterTranslucentRle(SwSurface* surface, const SwRleData* rle, uint32_t color)
+{
+    auto span = rle->spans;
+    uint32_t src;
+
+    for (uint32_t i = 0; i < rle->size; ++i, ++span) {
+        auto dst = &surface->buffer[span->y * surface->stride + span->x];
+
+        if (span->coverage < 255) src = ALPHA_BLEND(color, span->coverage);
+        else src = color;
+
+        for (uint32_t x = 0; x < span->len; ++x, ++dst) {
+            *dst = src + ALPHA_BLEND(*dst, _ialpha(src));
+        }
+    }
+    return true;
+}
+
+
+static bool inline cRasterTranslucentRect(SwSurface* surface, const SwBBox& region, uint32_t color)
+{
+    auto buffer = surface->buffer + (region.min.y * surface->stride) + region.min.x;
+    auto h = static_cast<uint32_t>(region.max.y - region.min.y);
+    auto w = static_cast<uint32_t>(region.max.x - region.min.x);
+    auto ialpha = _ialpha(color);
+
+    for (uint32_t y = 0; y < h; ++y) {
+        auto dst = &buffer[y * surface->stride];
+        for (uint32_t x = 0; x < w; ++x, ++dst) {
+            *dst = color + ALPHA_BLEND(*dst, ialpha);
+        }
+    }
+    return true;
+}
\ No newline at end of file