*合并master到minimal分支

1 files changed, 73 insertions, 0 deletions

diff --git a/src/lua/embed/scripts/graphics.lua.h b/src/lua/embed/scripts/graphics.lua.h
new file mode 100644
index 0000000..e1079b9
--- /dev/null
+++ b/src/lua/embed/scripts/graphics.lua.h
@@ -0,0 +1,73 @@
+/* graphics.lua */
+static const char* graphics_lua = R"(
+jin.graphics = jin.graphics or {} 
+
+local jg = jin.graphics
+
+jg.RenderMode = {
+    FILL = 1, 
+    LINE = 2,
+}
+
+jg.SpriteOrigin = {
+    TOPLEFT = 0,
+    TOPCENTER = 1,
+    TOPRIGHT = 2,
+    MIDDLELEFT = 3,
+    MIDDLECENTER = 4,
+    MIDDLERIGHT = 5,
+    BOTTOMLEFT = 6,
+    BOTTOMCENTER = 7,
+    BOTTOMRIGHT = 8
+}
+
+local default_shader = nil
+local default_shader_source = [[
+#VERTEX_SHADER
+
+Vertex vert(Vertex v)
+{
+    return v;
+}
+
+#END_VERTEX_SHADER
+
+#FRAGMENT_SHADER
+
+Color frag(Color col, Texture tex, Vertex v)
+{
+    return col * texel(tex, v.uv);
+}
+
+#END_FRAGMENT_SHADER
+]]
+
+local _init = jg.init
+local initialized = false
+
+jg.init = function(setting) 
+    if initialized then 
+        return initialized
+    end
+    initialized = _init(setting)
+    if initialized then 
+        default_shader = jg.newShader(default_shader_source)
+        jg.useShader(default_shader)
+    end
+    return initialized 
+end
+
+jg.unuseShader = function()
+    jg.useShader(default_shader)
+end
+
+-- Reset all attributes to default value.
+jg.reset = function()
+    jg.setColor(255, 255, 255, 255)
+    jg.setClearColor(0, 0, 0, 255)
+    jg.clear()
+    jg.unsetFont()
+    jg.unuseShader()
+end
+
+)";
\ No newline at end of file