移动端尺寸基础知识

21 Views

gamemaker将画布信息存入buffer

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surface_set_target(_surf);
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{
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 draw_clear_alpha(c_black,0);
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 draw_sprite(_sprite,i,0,0);
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}
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surface_reset_target();
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//Find all unique colors
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var _buff = buffer_create(_sprite_width*_sprite_height*4, buffer_fixed, 4);
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buffer_get_surface(_buff, _surf, 0, 0, 0);
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for(var _x=0; _x<_sprite_width; _x++)
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{
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 for(var _y=0; _y<_sprite_height; _y++)
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 {
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 var _col = buffer_read(_buff, buffer_u32);
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 var _a = (_col >> 24) & 255;
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 var _r = (_col >> 16) & 255;
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 var _g = (_col >> 8) & 255;
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 var _b = _col & 255;
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 var _col=make_colour_rgb(_r, _g, _b);
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 if(ds_list_find_index(_temp_colors,_col) == -1)
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 { //First time encountering this color for this sprite.
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 ds_list_add(_temp_colors,_col);
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 if(ds_list_find_index(Unique_Colors,_col) == -1)
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 { //First time across all sprites.
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 _new_color_count++;
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 //But don't add it yet... need to make sure it doesn't make us
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 //Go over the limit.
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 }
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 }
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 }
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}
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///Save Sprite
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ds_list_add(_sprite_list,sprite_create_from_surface(_surf,0,0,_sprite_width,_sprite_height,false,false,0,0));
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buffer_delete(_buff);
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