diff options
Diffstat (limited to 'plugins/ZamGrains/ZamGrainsUI.cpp')
| -rw-r--r-- | plugins/ZamGrains/ZamGrainsUI.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/plugins/ZamGrains/ZamGrainsUI.cpp b/plugins/ZamGrains/ZamGrainsUI.cpp index 6332ff5..13de644 100644 --- a/plugins/ZamGrains/ZamGrainsUI.cpp +++ b/plugins/ZamGrains/ZamGrainsUI.cpp @@ -113,6 +113,14 @@ void ZamGrainsUI::parameterChanged(uint32_t index, float value) case ZamGrainsPlugin::paramDelaytime: fKnobLooptime->setValue(value); break; + case ZamGrainsPlugin::paramGrainpos: + grainpos = value; + repaint(); + break; + case ZamGrainsPlugin::paramPlaypos: + playpos = value; + repaint(); + break; } } @@ -125,6 +133,8 @@ void ZamGrainsUI::programLoaded(uint32_t index) fKnobGrains->setValue(1.0f); fKnobMaster->setValue(0.0f); fKnobLooptime->setValue(1000.0f); + grainpos = 0.f; + playpos = 0.f; break; } } @@ -149,7 +159,44 @@ void ZamGrainsUI::imageKnobValueChanged(ZamKnob* knob, float value) void ZamGrainsUI::onDisplay() { + int i; + int grainx = 0; + int grains = (int)fKnobGrains->getValue(); + float playspeed = fKnobPlayspeed->getValue(); + int width = 345; + int height = 140; + int offsetx = 5; + int offsety = 175; + fImgBackground.draw(); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_LINE_SMOOTH); + //glHint(GL_LINE_SMOOTH_HINT, GL_NICEST); + glEnable(GL_POINT_SMOOTH); + glPointSize(8.0); + glEnable(GL_POINT_SPRITE); + + glLineWidth(1); + glColor4f(1.f, 1.f, 0.235f, 1.0f); + for (i = 0; i < grains + 1; ++i) { + grainx = i * width / grains; + glBegin(GL_LINES); + glVertex2i(offsetx + grainx, offsety + 5); + glVertex2i(offsetx + grainx, offsety + height - 5); + glEnd(); + } + // reset color + + glBegin(GL_POINTS); + glColor4f(1.0f, 0.235f, 0.235f, 1.0f); + glVertex2i(offsetx + ((int)(width * playpos * playspeed) % width), offsety + 5 + height / 3); + glColor4f(0.235f, 0.235f, 1.0f, 1.0f); + glVertex2i(offsetx + width * playpos, offsety + 5 + height / 2); + glColor4f(1.0f, 1.0f, 1.0f, 1.0f); + glVertex2i(offsetx + width * grainpos, offsety + 5 + 2 * height / 3); + glEnd(); } // ----------------------------------------------------------------------- |