MTK层应用中PNG图片半透明显示问题

chr8880

代码好下：

gdi_layer_multi_layer_enable();//开启多层支持
  matrix_menu_widget_slide.slide_buf = (U8*)med_ext_smalloc(UI_DEVICE_WIDTH * UI_DEVICE_HEIGHT *page *2);
  gdi_layer_create_using_outside_memory(
   0,
   matrix_menu_widget_slide.store_distance_y,
   UI_DEVICE_WIDTH,
   UI_DEVICE_HEIGHT *page,
   &matrix_menu_widget_slide.slide_layer_handle,
   matrix_menu_widget_slide.slide_buf,
   UI_DEVICE_WIDTH * UI_DEVICE_HEIGHT *page *2);

  gdi_layer_push_and_set_active(matrix_menu_widget_slide.slide_layer_handle);
  gdi_layer_clear(GDI_COLOR_BLUE); //把背景全刷成蓝色
  gdi_layer_set_source_key(TRUE,GDI_COLOR_BLUE); //设置蓝色为通透色
  gdi_push_and_set_alpha_blending_source_layer(matrix_menu_widget_slide.slide_layer_handle);
  //gui_push_clip();
  //gui_set_clip(0,MMI_STATUS_BAR_HEIGHT + MMI_TITLE_HEIGHT,UI_DEVICE_WIDTH - 1,UI_DEVICE_HEIGHT *page);
  //gui_show_image(20,360,(PU8) GetImage((U16)(IMG_GLOBAL_L1)));
  //gui_show_image(20,150,(PU8) GetImage((U16)(IMG_GLOBAL_L1)));
  mmi_matrix_menu_widget_slidelayer_Area();
  //gui_pop_clip();
  gdi_pop_and_restore_alpha_blending_source_layer();
  gdi_layer_pop_and_restore_active();


加了gdi_push_and_set_alpha_blending_source_layer(matrix_menu_widget_slide.slide_layer_handle);
边缘半透明显示还是有问题？？请高手帮忙解决！

djhj2008

在这个PNG图的下面再加一张PNG底图 或者把BLENDING设置成BASE