SOL9 Sample: Direct3DX10TextDrawing

SOL9 2.0 Samples

1 Screenshot


2 Source code

/*
 * Direct3DX10TextDrawing.cpp 
 * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// 2015/10/20
// 2017/01/28 Updated to use ModuleFileName class and caught macro.

#pragma warning(disable : 4005) 
#pragma warning(disable : 4838) 

#define COMMONCONTROLS_V6

#include <sol/direct3d10/DirectX3D10MainView.h>
#include <sol/direct3d10/DirectX3D10View.h>

#include <sol/direct3d10/Direct3D10RenderTargetView.h>
#include <sol/direct3d10/Direct3D10DepthStencilView.h>

#include <sol/direct3d10/Direct3D10Texture2D.h>
#include <sol/direct3d10/Direct3DX10Font.h>
#include <sol/direct3d10/D3D10Texture2DDesc.h>
#include <sol/direct3d10/D3D10DepthStencilViewDesc.h>


#include "resource.h"

namespace SOL {
  
class MainView :public DirectX3D10MainView {
  
private:
  //////////////////////////////////////////////
  //Inner class starts
  class SimpleView : public DirectX3D10View {
  private:  
    SmartPtr<Direct3D10RenderTargetView>  renderTargetView;
    SmartPtr<Direct3D10DepthStencilView>  depthStencilView;
    SmartPtr<Direct3DX10Font>             font;

  public:
    void deleteViews()
    {
      Direct3D10Device* d3d10device = getD3D10Device();
      d3d10device ->setOMRenderTargets(0, NULL, NULL);
      renderTargetView = NULL;
      depthStencilView = NULL;
    }

    virtual void createViews()
    {
      int width  = 0;
      int height = 0;
     
      validateClientSize(width, height);

      try {
        Direct3D10Device*   d3d10Device  = getD3D10Device();
        DirectXGISwapChain* swapChain = getSwapChain();

        d3d10Device ->setOMRenderTargets(0, NULL, NULL);

        //1 Create an instance of Direct3D10RenderTargetView
        Direct3D10Texture2D renderTargetViewTexture(*swapChain); ; 

        renderTargetView = new Direct3D10RenderTargetView(*d3d10Device, renderTargetViewTexture, NULL);

        //2 Create a temporary depthDesc(D3D10Texture2DDesc).
        D3D10Texture2DDesc depthDesc;
        depthDesc.width(width);
        depthDesc.height(height);
        depthDesc.mipLevels(1);
        depthDesc.arraySize(1);
        depthDesc.format(DXGI_FORMAT_D32_FLOAT);
        depthDesc.sampleDescCount(1);
        depthDesc.sampleDescQuality(0);
        depthDesc.usage(D3D10_USAGE_DEFAULT);
        depthDesc.bindFlags(D3D10_BIND_DEPTH_STENCIL);

        //3 Create a temporary depthStencilTexture(Direct3D10Texture2D) from texture2DDesc.
        Direct3D10Texture2D depthStencilTexute(*d3d10Device, depthDesc); 

        //4 Create a temporary depthStencilViewDesc(D3D10DepthStencilViewDesc) 
        D3D10DepthStencilViewDesc depthStencilViewDesc(DXGI_FORMAT_D32_FLOAT, D3D10_DSV_DIMENSION_TEXTURE2D);

        //5 Create an instance of Direct3DDepthStencilView from depthStencilTexture and depthStencilViewDesc
        depthStencilView = new Direct3D10DepthStencilView(*d3d10Device, depthStencilTexute, depthStencilViewDesc);

        ID3D10RenderTargetView* targetView   = *renderTargetView; 
        //6 Set renderTargetView and depthStencilView to id3d10Device
        d3d10Device ->setOMRenderTargets(1, &targetView, *depthStencilView);
      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void initialize()
    {
      try {
        Direct3D10Device* d3d10Device = getD3D10Device();

        //1 Create Direct3D10Font to draw a text string.
        Args args;
        args.set(XmNheight, 100);
        args.set(XmNwidth,   0);
        args.set(XmNweight, FW_NORMAL);
        args.set(XmNmipLevels, 1);
        args.set(XmNitalic, FALSE);
        args.set(XmNcharSet, DEFAULT_CHARSET);
        args.set(XmNoutputPrecision, OUT_DEFAULT_PRECIS);
        args.set(XmNquality, DEFAULT_QUALITY);
        args.set(XmNpitchAndFamily, DEFAULT_PITCH | FF_DONTCARE);
        args.set(XmNfaceName, _T("Gabriola"));
        font = new Direct3DX10Font(*d3d10Device, args);

        //2 Create rendarTargetView and depthStencilView.
        createViews();

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    void  drawText(const TCHAR* text)
    {
      try {
        RECT r;
        getClientRect(&r);
        int width  = r.right - r.left;
        int height = r.bottom - r.top;

        RECT rc;
        font->drawText(NULL, text, -1, &rc, DT_CALCRECT |DT_LEFT, 
              D3DXCOLOR(1.0, 1.0, 1.0, 1.0)); 

        int rcw = rc.right - rc.left;
        int rch = rc.bottom - rc.top;

        r.top    = (height- rch)/2;
        r.bottom = r.bottom -(height -rch)/2;
        r.left   = (width - rcw)/2;
        r.right  = r.right - (width - rcw)/2;
        
        font -> drawText(NULL, text, -1, &r, DT_LEFT, D3DXCOLOR(1.0, 1.0, 1.0, 1.0)); 

      } catch (Exception& ex) {
        caught(ex);
      }
    }

    virtual void display()
    {
      try {
        Direct3D10Device*  d3d10Device = getD3D10Device();
        DirectXGISwapChain* swapChain = getSwapChain();
        if (renderTargetView && depthStencilView) {
          renderTargetView -> clear(D3DXCOLOR(0.0f, 0.3f, 0.3f, 0.0f));
          depthStencilView -> clear();

          const TCHAR* text = _T("Atlantis awakens.\nYou raize me up.\nTime to say goodbye.");
          drawText(text);
        }
        swapChain -> present();

      } catch (Exception& ex) {
        caught(ex);
      }
    }

  public:
    // Constructor
    SimpleView(DirectX3D10MainView* parent, const TCHAR* name, Args& args)
   :DirectX3D10View(parent, name, args )
    {
    }

    ~SimpleView()
    {
    }
    
  private:
    void resize(int width, int height)
    {
      Direct3D10Device*   device = getD3D10Device();
      DirectXGISwapChain* swapChain = getSwapChain();
      if (device           == NULL && 
          swapChain        == NULL && 
          renderTargetView == NULL &&
          depthStencilView == NULL) {
        return ;
      }
    
      try {
        // 1 Delete existing rendarTargetView and depthStencilView.
        deleteViews();

        // 2 ResizeBuffers swapChain(IDXGISwapChain)
        swapChain -> resizeBuffers(width, height); 
     
        // 3 Recreate rendarTargetView and depthStencilView.
        createViews();
      
        // 4 SetViewPort
        setViewPort(width, height);

      } catch (Exception& ex) {
        caught(ex);
      }
    }  
  };
  //////////////////////////////////////////////
  // Inner class ends.
  
private:
  SmartPtr<SimpleView> view;
  
public:
  // Constructor
  MainView(Application& applet, const TCHAR* name, Args& args)
  :DirectX3D10MainView(applet, name,
                 args.set(XmNstyle, (ulong)WS_CLIPCHILDREN|WS_CLIPSIBLINGS) )
  {
    // 1 Create a view of SimpleView.
    Args ar;
    int width  = 0;
    int height = 0;
    getClientSize(width, height);

    ar.set(XmNwidth, width);
    ar.set(XmNheight,height);
    
    ar.set(XmNstyle, WS_BORDER|WS_CHILD|WS_VISIBLE);
    view = new SimpleView(this, _T(""), ar);

    // 2 Post a resize request to this MainView.
    postResizeRequest();
  }
  
public:
  ~MainView()
  {
  }

private:
  void resize(int width, int height)
  {
    if (view != nullptr) {
      view -> reshape(0, 0, width, height);
      view -> postResizeRequest(width, height);
    }
  }
};
  
}

//////////////////////////////////////////////
//
void  Main(int argc, TCHAR** argv)
{
  ModuleFileName module(argv[0]);
  const TCHAR* appClass =  module.getAppName(); 
  try {
    Application applet(appClass, argc, argv);

    Args args;
    args.set(XmNwidth,  700);
    args.set(XmNheight, 480);
    MainView imageViewer(applet, appClass, args);
    
    imageViewer.realize();

    applet.run();
  } catch (Exception& ex) {
    caught(ex);
  }
}


Last modified: 1 Feb 2017

Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.