From b855ebb91ad8d97617ec1aa418b4add84670a07d Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 27 Jul 2018 00:01:34 +0800
Subject: *change name

---
 src/libjin/Render/Drawable.cpp | 77 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/libjin/Render/Drawable.cpp

(limited to 'src/libjin/Render/Drawable.cpp')

diff --git a/src/libjin/Render/Drawable.cpp b/src/libjin/Render/Drawable.cpp
new file mode 100644
index 0000000..cbdf250
--- /dev/null
+++ b/src/libjin/Render/Drawable.cpp
@@ -0,0 +1,77 @@
+#include "../modules.h"
+#if JIN_MODULES_RENDER
+
+#include "drawable.h"
+#include "../math/matrix.h"
+#include <stdlib.h>
+
+namespace jin
+{
+namespace render
+{
+    Drawable::Drawable(int w, int h):texture(0), width(w), height(h), ancx(0), ancy(0), textCoord(0), vertCoord(0)
+    {
+    }
+
+    Drawable::~Drawable()
+    {
+        glDeleteTextures(1, &texture);
+        delete[] vertCoord; 
+        delete[] textCoord;
+    }
+
+    void Drawable::setVertices(float* v, float* t)
+    {
+        // render area 
+        if (vertCoord)
+            delete[] vertCoord;
+        vertCoord = v;
+
+        // textrue 
+        if (textCoord) 
+            delete[] textCoord; 
+        textCoord = t;
+    }
+
+    void Drawable::setAnchor(int x, int y)
+    {
+        ancx = x; 
+        ancy = y;
+    }
+
+    void Drawable::draw(int x, int y, float sx, float sy, float r)
+    {
+        // Must set textCoord and vertCoord before renderring 
+        if (! textCoord||! vertCoord) return;
+
+        static jin::math::Matrix t;
+        t.setTransformation(x, y, r, sx, sy, ancx, ancy);
+
+        glEnable(GL_TEXTURE_2D);
+
+        glBindTexture(GL_TEXTURE_2D, texture);
+        
+        // push modle matrix
+        glPushMatrix();
+        glMultMatrixf((const GLfloat*)t.getElements());
+
+        glEnableClientState(GL_VERTEX_ARRAY);
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glTexCoordPointer(2, GL_FLOAT, 0, textCoord);
+        glVertexPointer(2, GL_FLOAT, 0, vertCoord);
+        glDrawArrays(GL_QUADS, 0, 4);
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glDisableClientState(GL_VERTEX_ARRAY);
+
+        // pop the model matrix
+        glPopMatrix();
+
+        // bind texture to default screen 
+        glBindTexture(GL_TEXTURE_2D, 0);
+
+        glDisable(GL_TEXTURE_2D);
+    }
+}
+}
+
+#endif // JIN_MODULES_RENDER
\ No newline at end of file
-- 
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