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0022819: Redesign of OpenGl driver
This commit is contained in:
SAN, KGV
bugmaster
@@ -1,229 +1,331 @@
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// File: OpenGl_GraphicDriver_Layer.cxx
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// Created: 20 October 2011
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// Author: Sergey ZERCHANINOV
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// Copyright: OPEN CASCADE 2011
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// File OpenGl_GraphicDriver_Layer.cxx
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// Created Mardi 3 novembre 1998
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// Author CAL
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#include <OpenGl_GraphicDriver.hxx>
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//-Copyright MatraDatavision 1998
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#include <OSD_FontAspect.hxx>
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//-Version
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#include <OpenGl_tgl_all.hxx>
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//-Design Declaration des variables specifiques aux Drivers
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#include <OpenGl_Display.hxx>
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#include <OpenGl_AspectText.hxx>
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#include <OpenGl_TextParam.hxx>
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//-Warning Un driver encapsule les Pex et OpenGl drivers
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/*----------------------------------------------------------------------*/
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//-References
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//-Language C++ 2.0
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//-Declarations
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// for the class
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#include <OpenGl_GraphicDriver.jxx>
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#include <Aspect_DriverDefinitionError.hxx>
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#include <OpenGl_tgl_funcs.hxx>
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//-Aliases
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#define NO_DEBUG
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//-Global data definitions
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//-Methods, in order
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void OpenGl_GraphicDriver::Layer (Aspect_CLayer2d& ACLayer) {
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Aspect_CLayer2d MyCLayer = ACLayer;
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if (MyTraceLevel) {
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PrintFunction ("call_togl_layer2d");
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PrintInteger ("ALayerType", int (ACLayer.layerType));
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}
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call_togl_layer2d (&MyCLayer);
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ACLayer = MyCLayer;
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#ifdef DEBUG
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cout << "OpenGl_GraphicDriver::Layer" << endl;
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call_def_ptrLayer ptrLayer;
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ptrLayer = (call_def_ptrLayer) MyCLayer.ptrLayer;
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if (ptrLayer == NULL)
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cout << "\tptrLayer == NULL" << endl;
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else
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cout << "\tptrLayer->listIndex = " << ptrLayer->listIndex << endl;
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#endif
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}
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void OpenGl_GraphicDriver::RemoveLayer (const Aspect_CLayer2d& ACLayer) {
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Aspect_CLayer2d MyCLayer = ACLayer;
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if (MyTraceLevel) {
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PrintFunction ("call_togl_removelayer2d");
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PrintInteger ("ALayerType", int (ACLayer.layerType));
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}
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call_togl_removelayer2d (&MyCLayer);
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}
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void OpenGl_GraphicDriver::BeginLayer (const Aspect_CLayer2d& ACLayer) {
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Aspect_CLayer2d MyCLayer = ACLayer;
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if (MyTraceLevel) {
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PrintFunction ("call_togl_begin_layer2d");
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PrintInteger ("ALayerType", int (ACLayer.layerType));
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}
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call_togl_begin_layer2d (&MyCLayer);
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}
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void OpenGl_GraphicDriver::BeginPolygon2d () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_begin_polygon2d");
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}
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call_togl_begin_polygon2d ();
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}
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void OpenGl_GraphicDriver::BeginPolyline2d () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_begin_polyline2d");
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}
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call_togl_begin_polyline2d ();
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}
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void OpenGl_GraphicDriver::ClearLayer (const Aspect_CLayer2d& ACLayer) {
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Aspect_CLayer2d MyCLayer = ACLayer;
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if (MyTraceLevel) {
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PrintFunction ("call_togl_clear_layer2d");
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PrintInteger ("ALayerType", int (ACLayer.layerType));
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}
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call_togl_clear_layer2d (&MyCLayer);
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}
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void OpenGl_GraphicDriver::Draw (const Standard_ShortReal X, const Standard_ShortReal Y) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_draw2d");
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PrintShortReal ("X", X);
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PrintShortReal ("Y", Y);
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}
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call_togl_draw2d (X, Y);
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}
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void OpenGl_GraphicDriver::Edge (const Standard_ShortReal X, const Standard_ShortReal Y) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_edge2d");
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PrintShortReal ("X", X);
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PrintShortReal ("Y", Y);
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}
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call_togl_edge2d (X, Y);
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}
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void OpenGl_GraphicDriver::EndLayer () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_end_layer2d");
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}
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call_togl_end_layer2d ();
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}
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void OpenGl_GraphicDriver::EndPolygon2d () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_end_polygon2d");
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}
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call_togl_end_polygon2d ();
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}
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void OpenGl_GraphicDriver::EndPolyline2d () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_end_polyline2d");
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}
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call_togl_end_polyline2d ();
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}
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void OpenGl_GraphicDriver::Move (const Standard_ShortReal X, const Standard_ShortReal Y) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_move2d");
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PrintShortReal ("X", X);
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PrintShortReal ("Y", Y);
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}
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call_togl_move2d (X, Y);
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}
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void OpenGl_GraphicDriver::Rectangle (const Standard_ShortReal X, const Standard_ShortReal Y, const Standard_ShortReal Width, const Standard_ShortReal Height) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_rectangle2d");
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PrintShortReal ("X", X);
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PrintShortReal ("Y", Y);
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PrintShortReal ("Width", Width);
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PrintShortReal ("Height", Height);
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}
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call_togl_rectangle2d (X, Y, Width, Height);
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}
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void OpenGl_GraphicDriver::SetColor (const Standard_ShortReal R, const Standard_ShortReal G, const Standard_ShortReal B) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_set_color");
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PrintShortReal ("R", R);
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PrintShortReal ("G", G);
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PrintShortReal ("B", B);
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}
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call_togl_set_color (R, G, B);
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}
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void OpenGl_GraphicDriver::SetTransparency (const Standard_ShortReal ATransparency) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_set_transparency");
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PrintShortReal ("Transparency", ATransparency);
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}
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call_togl_set_transparency (ATransparency);
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}
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void OpenGl_GraphicDriver::UnsetTransparency () {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_unset_transparency");
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}
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call_togl_unset_transparency ();
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}
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void OpenGl_GraphicDriver::SetLineAttributes (const Standard_Integer Type, const Standard_ShortReal Width) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_set_line_attributes");
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PrintInteger ("Type", Type);
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PrintShortReal ("Width", Width);
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}
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call_togl_set_line_attributes (Type, Width);
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}
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void OpenGl_GraphicDriver::SetTextAttributes (const Standard_CString Font, const Standard_Integer AType, const Standard_ShortReal R, const Standard_ShortReal G, const Standard_ShortReal B) {
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if (MyTraceLevel) {
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PrintFunction ("call_togl_set_text_attributes");
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PrintString ("Font", Font);
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PrintInteger ("Type", AType);
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PrintShortReal ("R", R);
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PrintShortReal ("G", G);
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PrintShortReal ("B", B);
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}
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call_togl_set_text_attributes ((Tchar*)Font, AType, R, G, B);
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}
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void OpenGl_GraphicDriver::Text (const Standard_CString AText, const Standard_ShortReal X, const Standard_ShortReal Y, const Standard_ShortReal Height)
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struct OpenGl_LAYER_PROP
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{
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if (MyTraceLevel) {
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PrintFunction ("call_togl_text2d");
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PrintString ("Text", AText);
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PrintShortReal ("X", X);
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PrintShortReal ("Y", Y);
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PrintShortReal ("Height", Height);
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int ListId;
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TEL_COLOUR Color;
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int NbPoints;
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int LineType;
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float LineWidth;
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int FontCurrent;
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Standard_Boolean FontChanged;
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OpenGl_AspectText AspectText;
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OpenGl_TextParam TextParam;
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};
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/*----------------------------------------------------------------------*/
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static const TEL_COLOUR myDefaultColor = {{ 1.F, 1.F, 1.F, 1.F }};
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static const CALL_DEF_CONTEXTTEXT myDefaultContextText =
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{
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1, //IsDef
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1, //IsSet
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"Courier", //Font
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0.3F, //Space
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1.F, //Expan
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{ 1.F, 1.F, 1.F }, //Color
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(int)Aspect_TOST_NORMAL, //Style
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(int)Aspect_TODT_NORMAL, //DisplayType
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{ 1.F, 1.F, 1.F }, //ColorSubTitle
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0, //TextZoomable
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0.F, //TextAngle
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(int)OSD_FA_Regular //TextFontAspect
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};
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static Standard_Boolean TheLayerIsOpen = Standard_False;
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static OpenGl_LAYER_PROP TheLayerProp;
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/*----------------------------------------------------------------------*/
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void InitLayerProp (const int AListId)
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{
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TheLayerProp.ListId = AListId;
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if (AListId)
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{
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TheLayerProp.Color = myDefaultColor;
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TheLayerProp.NbPoints = 0;
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TheLayerProp.LineType = -1;
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TheLayerProp.LineWidth = -1.F;
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TheLayerProp.FontCurrent = 0;
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TheLayerProp.FontChanged = Standard_False;
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TheLayerProp.AspectText.SetContext(myDefaultContextText);
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TheLayerProp.TextParam.Height = -1;
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TheLayerProp.TextParam.HAlign = Graphic3d_HTA_LEFT;
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TheLayerProp.TextParam.VAlign = Graphic3d_VTA_BOTTOM;
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}
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const Standard_ShortReal h = (Height < 0)? DefaultTextHeight() : Height;
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}
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/*----------------------------------------------------------------------*/
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void OpenGl_GraphicDriver::Layer (Aspect_CLayer2d& ACLayer)
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{
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ACLayer.ptrLayer = (call_def_ptrLayer) malloc (sizeof (CALL_DEF_PTRLAYER));
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ACLayer.ptrLayer->listIndex = glGenLists(1);
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}
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/*----------------------------------------------------------------------*/
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void OpenGl_GraphicDriver::RemoveLayer (const Aspect_CLayer2d& ACLayer)
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{
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if (!ACLayer.ptrLayer) return;
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if (!ACLayer.ptrLayer->listIndex) return;
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if (TheLayerProp.ListId == ACLayer.ptrLayer->listIndex)
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EndLayer();
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glDeleteLists (ACLayer.ptrLayer->listIndex, 1);
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ACLayer.ptrLayer->listIndex = 0;
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//szvgl: memory leak here?
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//free ( ACLayer.ptrLayer );
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//ACLayer.ptrLayer = NULL;
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}
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/*----------------------------------------------------------------------*/
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void OpenGl_GraphicDriver::BeginLayer (const Aspect_CLayer2d& ACLayer)
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{
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call_def_ptrLayer ptrLayer = (call_def_ptrLayer) ACLayer.ptrLayer;
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if (!ptrLayer) return;
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InitLayerProp(ptrLayer->listIndex);
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if (!TheLayerProp.ListId) return;
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glEnable(GL_TEXTURE_2D);
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//GLboolean stat = glIsEnabled( GL_TEXTURE_2D );
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glNewList (TheLayerProp.ListId, GL_COMPILE);
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TheLayerIsOpen = Standard_True;
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}
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void OpenGl_GraphicDriver::BeginPolygon2d ()
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.NbPoints = 0;
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glBegin (GL_POLYGON);
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}
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void OpenGl_GraphicDriver::BeginPolyline2d ()
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.NbPoints = 0;
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glBegin (GL_LINE_STRIP);
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}
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void OpenGl_GraphicDriver::ClearLayer (const Aspect_CLayer2d& ACLayer)
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{
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if (!ACLayer.ptrLayer) return;
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InitLayerProp(ACLayer.ptrLayer->listIndex);
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if (!TheLayerProp.ListId) return;
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glNewList (TheLayerProp.ListId, GL_COMPILE);
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glEndList ();
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}
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void OpenGl_GraphicDriver::Draw (const Standard_ShortReal X, const Standard_ShortReal Y)
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.NbPoints++;
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glVertex3f (X, Y, 0.F);
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}
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void OpenGl_GraphicDriver::Edge (const Standard_ShortReal X, const Standard_ShortReal Y)
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.NbPoints++;
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glVertex3f (X, Y, 0.F);
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}
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void OpenGl_GraphicDriver::EndLayer ()
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{
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if (!TheLayerProp.ListId) return;
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if (TheLayerIsOpen)
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{
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glEndList();
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TheLayerIsOpen = Standard_False;
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}
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TheLayerProp.ListId = 0;
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}
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void OpenGl_GraphicDriver::EndPolygon2d ()
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{
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if (!TheLayerProp.ListId) return;
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glEnd ();
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}
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void OpenGl_GraphicDriver::EndPolyline2d ()
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{
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if (!TheLayerProp.ListId) return;
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glEnd ();
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}
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void OpenGl_GraphicDriver::Move (const Standard_ShortReal X, const Standard_ShortReal Y)
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{
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if (!TheLayerProp.ListId) return;
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if (TheLayerProp.NbPoints)
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{
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glEnd ();
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TheLayerProp.NbPoints = 0;
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glBegin (GL_LINE_STRIP);
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}
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TheLayerProp.NbPoints++;
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glVertex3f (X, Y, 0.F);
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}
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void OpenGl_GraphicDriver::Rectangle (const Standard_ShortReal X, const Standard_ShortReal Y, const Standard_ShortReal Width, const Standard_ShortReal Height)
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{
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if (!TheLayerProp.ListId) return;
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glRectf (X, Y, X + Width, Y + Height);
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}
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void OpenGl_GraphicDriver::SetColor (const Standard_ShortReal R, const Standard_ShortReal G, const Standard_ShortReal B)
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.Color.rgb[0] = R;
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TheLayerProp.Color.rgb[1] = G;
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TheLayerProp.Color.rgb[2] = B;
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glColor3fv (TheLayerProp.Color.rgb);
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}
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void OpenGl_GraphicDriver::SetTransparency (const Standard_ShortReal ATransparency)
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.Color.rgb[3] = ATransparency;
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glEnable (GL_BLEND);
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glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glColor4fv (TheLayerProp.Color.rgb);
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}
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void OpenGl_GraphicDriver::UnsetTransparency ()
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{
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if (!TheLayerProp.ListId) return;
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TheLayerProp.Color.rgb[3] = 1.F;
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glDisable (GL_BLEND);
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}
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void OpenGl_GraphicDriver::SetLineAttributes (const Standard_Integer Type, const Standard_ShortReal Width)
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{
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if (!TheLayerProp.ListId || openglDisplay.IsNull()) return;
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if (TheLayerProp.LineType != Type)
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{
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TheLayerProp.LineType = Type;
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openglDisplay->SetTypeOfLine((Aspect_TypeOfLine) Type);
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}
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if (TheLayerProp.LineWidth != Width)
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{
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TheLayerProp.LineWidth = Width;
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glLineWidth ((GLfloat) Width);
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}
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}
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void OpenGl_GraphicDriver::SetTextAttributes (const Standard_CString Font, const Standard_Integer AType, const Standard_ShortReal R, const Standard_ShortReal G, const Standard_ShortReal B)
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{
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if (!TheLayerProp.ListId || openglDisplay.IsNull()) return;
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if ( strcmp ( TheLayerProp.AspectText.Font(), Font ) != 0 ||
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(int)TheLayerProp.AspectText.DisplayType() != AType )
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{
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CALL_DEF_CONTEXTTEXT aContextText = myDefaultContextText;
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aContextText.Font = (char*)Font;
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aContextText.DisplayType = AType;
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aContextText.Color.r = R;
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aContextText.Color.g = G;
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aContextText.Color.b = B;
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TheLayerProp.AspectText.SetContext(aContextText);
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TheLayerProp.FontCurrent = openglDisplay->FindFont(TheLayerProp.AspectText.Font(), TheLayerProp.AspectText.FontAspect(), TheLayerProp.TextParam.Height);
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TheLayerProp.FontChanged = Standard_True;
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}
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}
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void OpenGl_GraphicDriver::Text (const Standard_CString AText, const Standard_ShortReal X, const Standard_ShortReal Y, const Standard_ShortReal AHeight)
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{
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if (!TheLayerProp.ListId || openglDisplay.IsNull()) return;
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const Standard_ShortReal height = (AHeight < 0)? DefaultTextHeight() : AHeight;
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if ( TheLayerProp.TextParam.Height != height || TheLayerProp.FontChanged || TheLayerProp.FontCurrent == 0 )
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{
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TheLayerProp.TextParam.Height = (int )height;
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TheLayerProp.FontCurrent = openglDisplay->FindFont(TheLayerProp.AspectText.Font(), TheLayerProp.AspectText.FontAspect(), (int )height);
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TheLayerProp.FontChanged = Standard_False;
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}
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|
||||
TCollection_ExtendedString estr(AText);
|
||||
call_togl_text2d ((Techar *)estr.ToExtString(), X, Y, h);
|
||||
const Techar *s = (const Techar *)estr.ToExtString();
|
||||
|
||||
//szv: conversion of Techar to wchar_t
|
||||
wchar_t *s1 = (wchar_t*)s;
|
||||
if (sizeof(Techar) != sizeof(wchar_t))
|
||||
{
|
||||
Tint i = 0; while (s[i++]);
|
||||
s1 = new wchar_t[i];
|
||||
i = 0; while (s1[i++] = (wchar_t)(*s++));
|
||||
}
|
||||
|
||||
openglDisplay->RenderText(s1, 1, (float)X, (float)Y, 0.F, &TheLayerProp.AspectText, &TheLayerProp.TextParam);
|
||||
|
||||
//szv: delete temporary wide string
|
||||
if (sizeof(Techar) != sizeof(wchar_t))
|
||||
delete[] s1;
|
||||
}
|
||||
|
||||
void OpenGl_GraphicDriver::TextSize (const Standard_CString AText, const Standard_ShortReal AHeight, Standard_ShortReal& AWidth, Standard_ShortReal& AnAscent, Standard_ShortReal& ADescent) const
|
||||
{
|
||||
TCollection_ExtendedString estr(AText);
|
||||
call_togl_textsize2d ((Techar *)estr.ToExtString(), AHeight, &AWidth, &AnAscent, &ADescent);
|
||||
if (MyTraceLevel) {
|
||||
PrintFunction ("call_togl_textsize2d");
|
||||
PrintString ("Text", AText);
|
||||
PrintShortReal ("AHeight", AHeight);
|
||||
PrintShortReal ("AWidth", AWidth);
|
||||
PrintShortReal ("AnAscent", AnAscent);
|
||||
PrintShortReal ("ADescent", ADescent);
|
||||
if (!TheLayerProp.ListId || openglDisplay.IsNull()) return;
|
||||
|
||||
const Standard_ShortReal height = (AHeight < 0)? DefaultTextHeight() : AHeight;
|
||||
|
||||
if ( TheLayerProp.TextParam.Height != height || TheLayerProp.FontChanged || TheLayerProp.FontCurrent == 0 )
|
||||
{
|
||||
TheLayerProp.TextParam.Height = (int )height;
|
||||
TheLayerProp.FontCurrent = openglDisplay->FindFont(TheLayerProp.AspectText.Font(), TheLayerProp.AspectText.FontAspect(), (int )height);
|
||||
TheLayerProp.FontChanged = Standard_False;
|
||||
}
|
||||
|
||||
TCollection_ExtendedString estr(AText);
|
||||
const Techar *s = (const Techar *)estr.ToExtString();
|
||||
|
||||
//szv: conversion of Techar to wchar_t
|
||||
wchar_t *s1 = (wchar_t*)s;
|
||||
if (sizeof(Techar) != sizeof(wchar_t))
|
||||
{
|
||||
Tint i = 0; while (s[i++]);
|
||||
s1 = new wchar_t[i];
|
||||
i = 0; while (s1[i++] = (wchar_t)(*s++));
|
||||
}
|
||||
|
||||
int aWidth = 0, anAscent = 0, aDescent = 0;
|
||||
openglDisplay->StringSize(s1, aWidth, anAscent, aDescent);
|
||||
|
||||
//szv: delete temporary wide string
|
||||
if (sizeof(Techar) != sizeof(wchar_t))
|
||||
delete[] s1;
|
||||
|
||||
AWidth = (Standard_ShortReal) aWidth;
|
||||
AnAscent = (Standard_ShortReal) anAscent;
|
||||
ADescent = (Standard_ShortReal) aDescent;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user