~nux-team/nuxplayground/nuxplayground.removed-deprecated

#include "NuxCore/NuxCore.h"

#include "NuxGraphics/BitmapFormats.h"

#include "NuxGraphics/GraphicsDisplay.h"

#include "NuxGraphics/GLWindowManager.h"

#include "NuxGraphics/GraphicsEngine.h"

#include "NuxCore/FilePath.h"

 

#if defined(NUX_OS_WINDOWS)

#define PKGDATADIR "../../data/"

#endif

 

 

void TextureLayerOverTexture()

{

  nux::GraphicsDisplay* graphics_display = gGLWindowManager.CreateGLWindow("Window", 600, 300, nux::WINDOWSTYLE_NORMAL, 0, false);

  nux::GraphicsEngine* graphics_engine = graphics_display->GetGraphicsEngine();

 

  graphics_display->ShowWindow();

 

  nux::BaseTexture* flowers = nux::CreateTextureFromFile(PKGDATADIR"/textures/flowers.png");

  nux::BaseTexture* wall = nux::CreateTextureFromFile(PKGDATADIR"/textures/wall.png");

 

 

  int w, h;

  int quad_size  = 128;

  int space = 10;

  nux::Event event;

  memset(&event, 0, sizeof(nux::Event));

  graphics_engine->GetWindowSize(w, h);

  graphics_engine->SetViewport(0, 0, w, h);

  graphics_engine->SetOrthographicProjectionMatrix(w, h);

  bool first_time = true;

 

  do

  {

    CHECKGL(glClearColor(0, 0, 0, 1));

    CHECKGL(glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT));

 

    graphics_display->GetSystemEvent(&event);

    if (first_time || (event.type == nux::NUX_SIZE_CONFIGURATION))

    {

      first_time = false;

      graphics_engine->GetWindowSize(w, h);

      graphics_engine->SetViewport(0, 0, w, h);

      graphics_engine->SetScissor(0, 0, w, h);

      graphics_engine->SetOrthographicProjectionMatrix(w, h);

    }

 

    int num_quad_per_row = graphics_display->GetWindowWidth() / (quad_size + space);

    int x = space;

    int y = space;

    int column = 0;

 

    for (int i = 0; i < nux::LAYER_BLEND_MODE_LAST; ++i)

    {

      graphics_engine->QRP_GLSL_ColorLayerOverColor(x, y, quad_size, quad_size,

        nux::color::Red,

        nux::color::Blue,

        (nux::LayerBlendMode)i);

 

      ++column;

      x += quad_size + space;

      if (column == num_quad_per_row)

      {

        x = space;

        y += quad_size + space;

        column = 0;

      }

    }

 

    graphics_display->SwapBuffer();

  } while(event.type != nux::NUX_TERMINATE_APP);

 

  flowers->UnReference();

  wall->UnReference();

 

  delete graphics_display;

}

 

int main(int argc, char **argv)

{

  nux::NuxCoreInitialize(0);

  nux::NuxGraphicsInitialize();

 

  TextureLayerOverTexture();

  return 0;

}