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Viewing changes to kscreensaver/kdesavers/Flux.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Riddell
  • Date: 2008-02-14 12:27:06 UTC
  • mfrom: (1.1.11 upstream)
  • Revision ID: james.westby@ubuntu.com-20080214122706-hfu103z9lyvj05g5
Tags: 4:3.5.9-0ubuntu1
New upstream release

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kscreensaver/kdesavers/Flux.cpp
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    if(dBlur)   // partially
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    {
 
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        int viewport[4];
 
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        glGetIntegerv(GL_VIEWPORT, viewport);
 
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        float viewRatio = float(viewport[2]) / float(viewport[3]);
 
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        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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        glEnable(GL_BLEND);
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        glDisable(GL_DEPTH_TEST);
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        glColor4f(0.0f, 0.0f, 0.0f, 0.5f - (float(sqrt(sqrt(double(dBlur)))) * 0.15495f));
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        glBegin(GL_TRIANGLE_STRIP);
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            glVertex3f(-5.0f, -4.0f, 0.0f);
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            glVertex3f(5.0f, -4.0f, 0.0f);
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            glVertex3f(-5.0f, 4.0f, 0.0f);
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            glVertex3f(5.0f, 4.0f, 0.0f);
 
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            glVertex3f(-3.0f * viewRatio, -3.0f, 0.0f);
 
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            glVertex3f(3.0f * viewRatio, -3.0f, 0.0f);
 
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            glVertex3f(-3.0f * viewRatio, 3.0f, 0.0f);
 
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            glVertex3f(3.0f * viewRatio, 3.0f, 0.0f);
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        glEnd();
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    }
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    else  // completely