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improve Update_pixel_renderer()

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+doxygen
This commit is contained in:
Thomas Bernard
2018-11-20 10:53:16 +01:00
parent 1e6f0175da
commit 832617188f
2 changed files with 43 additions and 38 deletions
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79
src/graph.c
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@@ -3603,58 +3603,63 @@ byte Read_pixel_from_current_layer(word x,word y)
return *((y)*Main.image_width+(x)+Main.backups->Pages->Image[Main.current_layer].Pixels);
}
/**
* Update the pixel functions according to the current Image_mode.
*
* Pixel_in_current_screen and Pixel_in_current_screen_with_preview are updated.
*/
void Update_pixel_renderer(void)
{
if (Main.backups->Pages->Image_mode == IMAGE_MODE_ANIMATION)
switch (Main.backups->Pages->Image_mode)
{
case IMAGE_MODE_C64MULTI: //TODO
case IMAGE_MODE_C64FLI: //TODO
case IMAGE_MODE_GBC: // TODO
case IMAGE_MODE_ANIMATION:
// direct
Pixel_in_current_screen = Pixel_in_screen_direct;
Pixel_in_current_screen_with_preview = Pixel_in_screen_direct_with_preview;
}
else
if (Main.backups->Pages->Image_mode == IMAGE_MODE_LAYERED)
{
break;
case IMAGE_MODE_LAYERED:
// layered
Pixel_in_current_screen = Pixel_in_screen_layered;
Pixel_in_current_screen_with_preview = Pixel_in_screen_layered_with_preview;
}
else
if (Main.backups->Pages->Image_mode == IMAGE_MODE_EGX
|| Main.backups->Pages->Image_mode == IMAGE_MODE_EGX2)
{
break;
case IMAGE_MODE_EGX:
case IMAGE_MODE_EGX2:
// special "EGX" mode
Pixel_in_current_screen = Pixel_in_screen_egx;
Pixel_in_current_screen_with_preview = Pixel_in_screen_egx_with_preview;
}
else
if (Main.backups->Pages->Image_mode == IMAGE_MODE_THOMSON)
{
break;
case IMAGE_MODE_THOMSON:
Pixel_in_current_screen = Pixel_in_screen_thomson;
Pixel_in_current_screen_with_preview = Pixel_in_screen_thomson_with_preview;
}
else
if (Main.backups->Pages->Image_mode == IMAGE_MODE_ZX)
{
break;
case IMAGE_MODE_C64HIRES:
case IMAGE_MODE_ZX:
Pixel_in_current_screen = Pixel_in_screen_zx;
Pixel_in_current_screen_with_preview = Pixel_in_screen_zx_with_preview;
}
// Implicit else : Image_mode must be IMAGE_MODE_MODE5 or IMAGE_MODE_RASTER
else if ( Main.current_layer == 4)
{
// overlay
Pixel_in_current_screen = Pixel_in_screen_overlay;
Pixel_in_current_screen_with_preview = Pixel_in_screen_overlay_with_preview;
}
else if (Main.current_layer<4 && (Main.layers_visible & (1<<4)))
{
// underlay
Pixel_in_current_screen = Pixel_in_screen_underlay;
Pixel_in_current_screen_with_preview = Pixel_in_screen_underlay_with_preview;
}
else
{
// layered (again, for layers > 4 in MODE5 and RASTER)
Pixel_in_current_screen = Pixel_in_screen_layered;
Pixel_in_current_screen_with_preview = Pixel_in_screen_layered_with_preview;
break;
case IMAGE_MODE_MODE5:
case IMAGE_MODE_RASTER:
if ( Main.current_layer == 4)
{
// overlay
Pixel_in_current_screen = Pixel_in_screen_overlay;
Pixel_in_current_screen_with_preview = Pixel_in_screen_overlay_with_preview;
}
else if (Main.current_layer<4 && (Main.layers_visible & (1<<4)))
{
// underlay
Pixel_in_current_screen = Pixel_in_screen_underlay;
Pixel_in_current_screen_with_preview = Pixel_in_screen_underlay_with_preview;
}
else
{
// layered (again, for layers > 4 in MODE5 and RASTER)
Pixel_in_current_screen = Pixel_in_screen_layered;
Pixel_in_current_screen_with_preview = Pixel_in_screen_layered_with_preview;
}
break;
}
}