完善V1.4踢乒乓球版本

v1.4 摄像头提乒乓球方案/platformio/lib/FastLED/tests/test_raster.cpp

@@ -0,0 +1,32 @@
+
+// g++ --std=c++11 test.cpp
+
+#include "test.h"
+
+#include "FastLED.h"
+#include "fl/raster.h"
+#include "fl/tile2x2.h"
+#include "fl/xypath.h"
+
+#include "fl/namespace.h"
+
+using namespace fl;
+
+
+TEST_CASE("XYRasterU8SparseTest should match bounds of pixels draw area") {
+    XYPathPtr path = XYPath::NewLinePath(-1, -1, 1, 1);
+    path->setDrawBounds(4,4);
+    Tile2x2_u8 sp0 = path->at_subpixel(0);
+    Tile2x2_u8 sp1 = path->at_subpixel(1);
+    Tile2x2_u8 subpixels[2] = {sp0, sp1};
+
+    MESSAGE("subpixels[0] = " << subpixels[0]);
+    MESSAGE("subpixels[1] = " << subpixels[1]);
+    XYRasterU8Sparse raster(4, 4);
+    raster.rasterize(subpixels);
+    auto obligatory_bounds = raster.bounds();
+    REQUIRE_EQ(rect<uint16_t>(0, 0, 4, 4), obligatory_bounds);
+
+    auto pixel_bounds = raster.bounds_pixels();
+    REQUIRE_EQ(rect<uint16_t>(0, 0, 4, 4), pixel_bounds);
+}