+++ /dev/null
-// Created on: 2011-10-20
-// Created by: Sergey ZERCHANINOV
-// Copyright (c) 2011-2014 OPEN CASCADE SAS
-//
-// This file is part of Open CASCADE Technology software library.
-//
-// This library is free software; you can redistribute it and/or modify it under
-// the terms of the GNU Lesser General Public License version 2.1 as published
-// by the Free Software Foundation, with special exception defined in the file
-// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
-// distribution for complete text of the license and disclaimer of any warranty.
-//
-// Alternatively, this file may be used under the terms of Open CASCADE
-// commercial license or contractual agreement.
-
-#include <OpenGl_GlCore11.hxx>
-
-#include <OpenGl_GraphicDriver.hxx>
-
-#include <Font_FontAspect.hxx>
-
-#include <OpenGl_AspectText.hxx>
-#include <OpenGl_Text.hxx>
-#include <OpenGl_TextParam.hxx>
-#include <OpenGl_LineAttributes.hxx>
-
-/*----------------------------------------------------------------------*/
-
-struct OpenGl_LAYER_PROP
-{
- int ListId;
-
- TEL_COLOUR Color;
- int NbPoints;
- int LineType;
- float LineWidth;
- OpenGl_AspectText AspectText;
- OpenGl_TextParam TextParam;
-};
-
-/*----------------------------------------------------------------------*/
-
-namespace
-{
- static const TEL_COLOUR myDefaultColor = {{ 1.F, 1.F, 1.F, 1.F }};
- static const CALL_DEF_CONTEXTTEXT myDefaultContextText =
- {
- 1, //IsDef
- 1, //IsSet
- "Courier", //Font
- 0.3F, //Space
- 1.F, //Expan
- { 1.F, 1.F, 1.F }, //Color
- (int)Aspect_TOST_NORMAL, //Style
- (int)Aspect_TODT_NORMAL, //DisplayType
- { 1.F, 1.F, 1.F }, //ColorSubTitle
- 0, //TextZoomable
- 0.F, //TextAngle
- (int)Font_FA_Regular //TextFontAspect
- };
-
- static Standard_Boolean TheLayerIsOpen = Standard_False;
- static OpenGl_LAYER_PROP TheLayerProp;
-}
-
-/*----------------------------------------------------------------------*/
-
-void InitLayerProp (const int theListId)
-{
- TheLayerProp.ListId = theListId;
-
- if (theListId)
- {
- TheLayerProp.Color = myDefaultColor;
- TheLayerProp.NbPoints = 0;
- TheLayerProp.LineType = -1;
- TheLayerProp.LineWidth = -1.F;
-
- TheLayerProp.AspectText.SetAspect (myDefaultContextText);
-
- TheLayerProp.TextParam.HAlign = Graphic3d_HTA_LEFT;
- TheLayerProp.TextParam.VAlign = Graphic3d_VTA_BOTTOM;
- }
-}
-
-/*----------------------------------------------------------------------*/
-
-void OpenGl_GraphicDriver::Layer (Aspect_CLayer2d& ACLayer)
-{
- ACLayer.ptrLayer = new CALL_DEF_PTRLAYER();
-#if !defined(GL_ES_VERSION_2_0)
- ACLayer.ptrLayer->listIndex = glGenLists(1);
-#endif
-}
-
-/*----------------------------------------------------------------------*/
-
-void OpenGl_GraphicDriver::RemoveLayer (const Aspect_CLayer2d& ACLayer)
-{
- if (!ACLayer.ptrLayer) return;
- if (!ACLayer.ptrLayer->listIndex) return;
- if (TheLayerProp.ListId == ACLayer.ptrLayer->listIndex)
- EndLayer();
-
-#if !defined(GL_ES_VERSION_2_0)
- glDeleteLists (ACLayer.ptrLayer->listIndex, 1);
-#endif
- ACLayer.ptrLayer->listIndex = 0;
- //szvgl: memory leak here?
- //free ( ACLayer.ptrLayer );
- //ACLayer.ptrLayer = NULL;
-}
-
-/*----------------------------------------------------------------------*/
-
-void OpenGl_GraphicDriver::BeginLayer (const Aspect_CLayer2d& ACLayer)
-{
- call_def_ptrLayer ptrLayer = (call_def_ptrLayer) ACLayer.ptrLayer;
- if (!ptrLayer) return;
-
- InitLayerProp (ptrLayer->listIndex);
- if (!TheLayerProp.ListId) return;
-
-#if !defined(GL_ES_VERSION_2_0)
- glNewList (TheLayerProp.ListId, GL_COMPILE);
-#endif
- TheLayerIsOpen = Standard_True;
-}
-
-void OpenGl_GraphicDriver::BeginPolygon2d ()
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.NbPoints = 0;
-#if !defined(GL_ES_VERSION_2_0)
- glBegin (GL_POLYGON);
-#endif
-}
-
-void OpenGl_GraphicDriver::BeginPolyline2d ()
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.NbPoints = 0;
-#if !defined(GL_ES_VERSION_2_0)
- glBegin (GL_LINE_STRIP);
-#endif
-}
-
-void OpenGl_GraphicDriver::ClearLayer (const Aspect_CLayer2d& ACLayer)
-{
- if (!ACLayer.ptrLayer) return;
-
- InitLayerProp (ACLayer.ptrLayer->listIndex);
- if (!TheLayerProp.ListId) return;
-
-#if !defined(GL_ES_VERSION_2_0)
- glNewList (TheLayerProp.ListId, GL_COMPILE);
- glEndList ();
-#endif
-}
-
-void OpenGl_GraphicDriver::Draw (const Standard_ShortReal X, const Standard_ShortReal Y)
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.NbPoints++;
-#if !defined(GL_ES_VERSION_2_0)
- glVertex3f (X, Y, 0.F);
-#endif
-}
-
-void OpenGl_GraphicDriver::Edge (const Standard_ShortReal X, const Standard_ShortReal Y)
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.NbPoints++;
-#if !defined(GL_ES_VERSION_2_0)
- glVertex3f (X, Y, 0.F);
-#endif
-}
-
-void OpenGl_GraphicDriver::EndLayer ()
-{
- if (!TheLayerProp.ListId) return;
- if (TheLayerIsOpen)
- {
- #if !defined(GL_ES_VERSION_2_0)
- glEndList();
- #endif
- TheLayerIsOpen = Standard_False;
- }
- TheLayerProp.ListId = 0;
-}
-
-void OpenGl_GraphicDriver::EndPolygon2d ()
-{
- if (!TheLayerProp.ListId) return;
-#if !defined(GL_ES_VERSION_2_0)
- glEnd ();
-#endif
-}
-
-void OpenGl_GraphicDriver::EndPolyline2d ()
-{
- if (!TheLayerProp.ListId) return;
-#if !defined(GL_ES_VERSION_2_0)
- glEnd ();
-#endif
-}
-
-void OpenGl_GraphicDriver::Move (const Standard_ShortReal X, const Standard_ShortReal Y)
-{
- if (!TheLayerProp.ListId) return;
- if (TheLayerProp.NbPoints)
- {
- #if !defined(GL_ES_VERSION_2_0)
- glEnd ();
- glBegin (GL_LINE_STRIP);
- #endif
- TheLayerProp.NbPoints = 0;
- }
- TheLayerProp.NbPoints++;
-#if !defined(GL_ES_VERSION_2_0)
- glVertex3f (X, Y, 0.F);
-#endif
-}
-
-void OpenGl_GraphicDriver::Rectangle (const Standard_ShortReal X, const Standard_ShortReal Y, const Standard_ShortReal Width, const Standard_ShortReal Height)
-{
- if (!TheLayerProp.ListId) return;
-#if !defined(GL_ES_VERSION_2_0)
- glRectf (X, Y, X + Width, Y + Height);
-#endif
-}
-
-void OpenGl_GraphicDriver::SetColor (const Standard_ShortReal R, const Standard_ShortReal G, const Standard_ShortReal B)
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.Color.rgb[0] = R;
- TheLayerProp.Color.rgb[1] = G;
- TheLayerProp.Color.rgb[2] = B;
-#if !defined(GL_ES_VERSION_2_0)
- glColor3fv (TheLayerProp.Color.rgb);
-#endif
-}
-
-void OpenGl_GraphicDriver::SetTransparency (const Standard_ShortReal ATransparency)
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.Color.rgb[3] = ATransparency;
-#if !defined(GL_ES_VERSION_2_0)
- glEnable (GL_BLEND);
- glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glColor4fv (TheLayerProp.Color.rgb);
-#endif
-}
-
-void OpenGl_GraphicDriver::UnsetTransparency ()
-{
- if (!TheLayerProp.ListId) return;
- TheLayerProp.Color.rgb[3] = 1.F;
-#if !defined(GL_ES_VERSION_2_0)
- glDisable (GL_BLEND);
-#endif
-}
-
-void OpenGl_GraphicDriver::SetLineAttributes (const Standard_Integer theType,
- const Standard_ShortReal theWidth)
-{
- const Handle(OpenGl_Context)& aCtx = GetSharedContext();
- if (!TheLayerProp.ListId
- || aCtx.IsNull())
- {
- return;
- }
-
- if (TheLayerProp.LineType != theType)
- {
- TheLayerProp.LineType = theType;
- aCtx->SetTypeOfLine ((Aspect_TypeOfLine) theType);
- }
- if (TheLayerProp.LineWidth != theWidth)
- {
- TheLayerProp.LineWidth = theWidth;
- aCtx->SetLineWidth (theWidth);
- }
-}
-
-void OpenGl_GraphicDriver::SetTextAttributes (const Standard_CString theFont,
- const Standard_Integer theType,
- const Standard_ShortReal theR,
- const Standard_ShortReal theG,
- const Standard_ShortReal theB)
-{
- if (!TheLayerProp.ListId)
- {
- return;
- }
-
- TheLayerProp.AspectText.ChangeFontName() = theFont;
- TheLayerProp.AspectText.SetDisplayType ((Aspect_TypeOfDisplayText )theType);
- TEL_COLOUR& aSubColor = TheLayerProp.AspectText.ChangeSubtitleColor();
- aSubColor.rgb[0] = (float )theR;
- aSubColor.rgb[1] = (float )theG;
- aSubColor.rgb[2] = (float )theB;
-}
-
-void OpenGl_GraphicDriver::Text (const Standard_CString theText,
- const Standard_ShortReal theX,
- const Standard_ShortReal theY,
- const Standard_ShortReal theHeight)
-{
- const Handle(OpenGl_Context)& aCtx = GetSharedContext();
- if (!TheLayerProp.ListId || aCtx.IsNull())
- {
- return;
- }
-
- const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight;
- TheLayerProp.TextParam.Height = (int )aHeight;
- TheLayerProp.AspectText.ChangeColor() = TheLayerProp.Color;
-
- myTempText->Init (aCtx, TCollection_ExtendedString (theText), OpenGl_Vec2 (theX, theY), TheLayerProp.TextParam);
- myTempText->Render (myPrintContext, aCtx, TheLayerProp.AspectText);
- //myTempText->Release (aCtx);
-}
-
-void OpenGl_GraphicDriver::TextSize (const Standard_CString theText,
- const Standard_ShortReal theHeight,
- Standard_ShortReal& theWidth,
- Standard_ShortReal& theAscent,
- Standard_ShortReal& theDescent) const
-{
- const Handle(OpenGl_Context)& aCtx = GetSharedContext();
- if (!TheLayerProp.ListId || aCtx.IsNull())
- {
- return;
- }
-
- const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight;
- TheLayerProp.TextParam.Height = (int )aHeight;
-
- TCollection_ExtendedString anExtText = theText;
- NCollection_String aText = (Standard_Utf16Char* )anExtText.ToExtString();
- OpenGl_Text::StringSize (aCtx, aText, TheLayerProp.AspectText, TheLayerProp.TextParam, theWidth, theAscent, theDescent);
-}
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