Changeset 8744:0e4e4f78fc13 in orange

Timestamp:

08/23/11 17:34:28 (21 months ago)

Author:

matejd <matejd@…>

Branch:

default

Convert:

4f276762ba4b1806f8d90800488b2836b19d3eb4

Message:

Noise texture applied when using 2d symbols

Location:

orange/OrangeWidgets/plot

Files:

• noise.jpg (added)
• owplot3d.py (modified) (2 diffs)
• symbol.fs (modified) (1 diff)

orange/OrangeWidgets/plot/owplot3d.py

@@ -565 +565 @@
             self.use_fbos = False
 
+        img = QImage(os.path.join(os.path.dirname(__file__), 'noise.jpg'))
+        self.fractal_texture = self.bindTexture(img)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT)
+
     def resizeGL(self, width, height):
         pass
@@ -629 +636 @@
             self.symbol_program.setUniformValue(self.symbol_program_translation,    *self.plot_translation)
             self.symbol_program.setUniformValue(self.symbol_program_force_color,    0., 0., 0., 0.)
+            if self.use_2d_symbols:
+                self.symbol_program.setUniformValue('texture', 0)
+                self.symbol_program.setUniformValue('apply_texture', True)
+                self.symbol_program.setUniformValue('screen_size', self.width(), self.height())
+                glActiveTexture(GL_TEXTURE0)
+                glBindTexture(GL_TEXTURE_2D, self.fractal_texture)
+            else:
+                self.symbol_program.setUniformValue('apply_texture', False)
 
             glEnable(GL_DEPTH_TEST)

orange/OrangeWidgets/plot/symbol.fs

@@ -2 +2 @@
 
 in vec4 var_color;
+uniform bool apply_texture;
+uniform sampler2D texture;
+uniform vec2 screen_size;
 
 void main(void)
 {
-      gl_FragColor = var_color;
+    if (apply_texture)
+    {
+        gl_FragColor = mix(var_color, texture2D(texture, vec2(10., 10.)*gl_FragCoord.xy/screen_size), 0.3);
+    }
+    else
+    {
+        gl_FragColor = var_color;
+    }
 }