Added blend modes to layers

src/DrawingProgram/Layers/SerializedBlendMode.hpp

@@ -0,0 +1,72 @@
+#pragma once
+#include <include/core/SkBlendMode.h>
+#include <nlohmann/json.hpp>
+
+enum class SerializedBlendMode : uint8_t {
+    CLEAR = 0,
+    SRC,
+    DST,
+    SRC_OVER,
+    DST_OVER,
+    SRC_IN,
+    DST_IN,
+    SRC_OUT,
+    DST_OUT,
+    SRC_A_TOP,
+    DST_A_TOP,
+    XOR,
+    PLUS,
+    MODULATE,
+    SCREEN,
+    OVERLAY,
+    DARKEN,
+    LIGHTEN,
+    COLOR_DODGE,
+    COLOR_BURN,
+    HARD_LIGHT,
+    SOFT_LIGHT,
+    DIFFERENCE,
+    EXCLUSION,
+    MULTIPLY,
+    HUE,
+    SATURATION,
+    COLOR,
+    LUMINOSITY,
+
+    LAST_MODE
+};
+
+NLOHMANN_JSON_SERIALIZE_ENUM(SerializedBlendMode, {
+    {SerializedBlendMode::CLEAR, "Clear"},
+    {SerializedBlendMode::SRC, "Src"},
+    {SerializedBlendMode::DST, "Dst"},
+    {SerializedBlendMode::SRC_OVER, "Src Over"},
+    {SerializedBlendMode::DST_OVER, "Dst Over"},
+    {SerializedBlendMode::SRC_IN, "Src In"},
+    {SerializedBlendMode::DST_IN, "Dst In"},
+    {SerializedBlendMode::SRC_OUT, "Src Out"},
+    {SerializedBlendMode::DST_OUT, "Dst Out"},
+    {SerializedBlendMode::SRC_A_TOP, "Src A Top"},
+    {SerializedBlendMode::DST_A_TOP, "Dst A Top"},
+    {SerializedBlendMode::XOR, "XOR"},
+    {SerializedBlendMode::PLUS, "Plus"},
+    {SerializedBlendMode::MODULATE, "Modulate"},
+    {SerializedBlendMode::SCREEN, "Screen"},
+    {SerializedBlendMode::OVERLAY, "Overlay"},
+    {SerializedBlendMode::DARKEN, "Darken"},
+    {SerializedBlendMode::LIGHTEN, "Lighten"},
+    {SerializedBlendMode::COLOR_DODGE, "Color Dodge"},
+    {SerializedBlendMode::COLOR_BURN, "Color Burn"},
+    {SerializedBlendMode::HARD_LIGHT, "Hard Light"},
+    {SerializedBlendMode::SOFT_LIGHT, "Soft Light"},
+    {SerializedBlendMode::DIFFERENCE, "Difference"},
+    {SerializedBlendMode::EXCLUSION, "Exclusion"},
+    {SerializedBlendMode::MULTIPLY, "Multiply"},
+    {SerializedBlendMode::HUE, "Hue"},
+    {SerializedBlendMode::SATURATION, "Saturation"},
+    {SerializedBlendMode::COLOR, "Color"},
+    {SerializedBlendMode::LUMINOSITY, "Luminosity"}
+})
+
+SkBlendMode serialized_blend_mode_to_sk_blend_mode(SerializedBlendMode serializedBlendMode);
+const std::vector<std::string>& get_blend_mode_name_list();