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C++ IDirectFBSurface::SetColorIndex方法代码示例

本文整理汇总了C++中IDirectFBSurface::SetColorIndex方法的典型用法代码示例。如果您正苦于以下问题:C++ IDirectFBSurface::SetColorIndex方法的具体用法?C++ IDirectFBSurface::SetColorIndex怎么用?C++ IDirectFBSurface::SetColorIndex使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IDirectFBSurface的用法示例。


在下文中一共展示了IDirectFBSurface::SetColorIndex方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main (int argc,char *argv[])
{
  int videofd1 = open("/dev/video0",O_RDWR);
  int videofd2 = open("/dev/video0",O_RDWR);
  IDirectFBSurface     *SurfaceHandle;
  IDirectFBSurface     *SurfaceHandle2;
  void *ptr,*ptr2;
  int pitch,pitch2;
  int colour_palette[256];
  int colour_palette2_real[256]; /* random... */
  int *colour_palette2 = colour_palette2_real;
  int is_lut8;

  is_lut8 = (argc > 1 && !strcmp (argv[1], "both"));

  memset(&colour_palette,0x0,4*256);
  //memset(&colour_palette[1],0xff,255*4);

  colour_palette[0] = 0xff000000; // black
  colour_palette[1] = 0xffff0000; // red
  colour_palette[2] = 0xff00ff00; // green
  colour_palette[3] = 0xff0000ff; // blue
  colour_palette[4] = 0xffffffff; // white
  colour_palette[5] = 0x80808000; // half-transp yellow
  colour_palette[6] = 0x00000000; // transp black

  if (videofd1 < 0)
    perror("Couldn't open video device 1\n");

  if (videofd2 < 0)
    perror("Couldn't open video device 2\n");
  
  v4l2_list_outputs (videofd1);

  fb_make_transparent();

  init_dfb(&SurfaceHandle,is_lut8);
  init_dfb(&SurfaceHandle2,1);

  v4l2_set_output_by_name (videofd1, "RGB1");
  v4l2_set_output_by_name (videofd2, "RGB2");
  init_v4l(videofd1,0,0,1280,720,is_lut8);
  init_v4l(videofd2,0,0,1280,720,1);

  printf("%s:%d\n",__FUNCTION__,__LINE__);


//  memcpy (colour_palette, colour_palette2, sizeof (colour_palette));
  colour_palette2 = colour_palette;

  {
    int coords = 60;
    int size   = 100;

    // clear
    if (!is_lut8) SurfaceHandle->Clear (SurfaceHandle, 0x00, 0x00, 0x00, 0x00);
    else {
      SurfaceHandle->SetColorIndex (SurfaceHandle, 0x6);
      SurfaceHandle->FillRectangle (SurfaceHandle, 0, 0, 600, 600);
    }
    // White
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x4);
    else SurfaceHandle->SetColor (SurfaceHandle, 0xff, 0xff, 0xff, 0xff);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
    // Red
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x1);
    else SurfaceHandle->SetColor (SurfaceHandle, 0xff, 0x00, 0x00, 0xff);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
    // Green
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x2);
    else SurfaceHandle->SetColor (SurfaceHandle, 0x00, 0xff, 0x00, 0xff);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
    // Blue
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x3);
    else SurfaceHandle->SetColor (SurfaceHandle, 0x00, 0x00, 0xff, 0xff);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
    // half transp yellow
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x5);
    else SurfaceHandle->SetColor (SurfaceHandle, 0x80, 0x80, 0x00, 0x80);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
    // transp
    if (is_lut8) SurfaceHandle->SetColorIndex (SurfaceHandle, 0x6);
    else SurfaceHandle->SetColor (SurfaceHandle, 0x00, 0x00, 0x00, 0x00);
    SurfaceHandle->FillRectangle (SurfaceHandle, coords, coords, size, size);
    coords += size;
  }

  {
    int xcoords = 60 + (100 * 6), ycoords = 60;
    int size   = 100;

    // clear
    SurfaceHandle2->SetColorIndex (SurfaceHandle2, 0x6);
    SurfaceHandle2->FillRectangle (SurfaceHandle2, 220, 220, 440, 440);
    // transp
//.........这里部分代码省略.........
开发者ID:MarkusVolk,项目名称:martii-tdt,代码行数:101,代码来源:v4l2lut8.c


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