Support #6960 ยป paintedSignal.patch
| examples/webgl/PaintWidget.C | ||
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}
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PaintWidget::PaintWidget(const bool & useBinaryBuffers):
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WGLWidget(), initialized_(false), useBinaryBuffers_(useBinaryBuffers)
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WGLWidget(),
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initialized_(false),
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painted_(this, "painted"),
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useBinaryBuffers_(useBinaryBuffers)
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{
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jsMatrix_ = JavaScriptMatrix4x4();
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addJavaScriptMatrix4(jsMatrix_);
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painted_.connect([]{
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std::cout << "painted!\n";
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});
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doJavaScript(jsRef() + ".firstRender=true;");
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}
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// The initializeGL() captures all JS commands that are to be executed
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| ... | ... | |
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// Now draw all the triangles.
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drawArrays(TRIANGLES, 0, data.size()/6);
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injectJS("if(" + jsRef() + ".firstRender){"
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"" + jsRef() + ".firstRender=false;"
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"" + painted_.createCall({}) +
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"}");
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}
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void PaintWidget::setShaders(const std::string &vertexShader,
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| examples/webgl/PaintWidget.h | ||
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#define PAINTWIDGET_H_
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#include <Wt/WGLWidget.h>
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#include <Wt/WJavaScript.h>
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using namespace Wt;
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| ... | ... | |
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std::string vertexShader_;
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std::string fragmentShader_;
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JSignal<> painted_;
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// Program and related variables
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Program shaderProgram_;
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AttribLocation vertexPositionAttribute_;
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