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@@ -2,6 +2,38 @@
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A collection of methods my games are using.
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+---
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+
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+## UI
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+
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+Extra methods for graphics. It can read/write/copy anything from the screen, create a buffer that you can swap with the one inside the canvas object and every flipper draw call should work with it.
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+
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+Call this at the end of your program
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+```
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+ui_cleanup();
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+```
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+
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+### How to use it
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+
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+* To test if a pixel is black or not: ``test_pixel(canvas_buffer, pixel_x, pixel_y, screen_width)``
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+* Convert Flippers icon to the same type to u8g2: ``uint8_t * result=image_data(canvas, icon);``
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+* Flatten X/Y pixel coordinate to array index ``uint32_t result=pixel_index(x,y)``
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+* Draw icon region with overlay/invert support: ``draw_icon_clip(canvas, icon, image_x, image_y, screen_x, screen_y, width, height, draw_mode)``
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+* Draw flipped region icon with overlay/invert support: ``draw_icon_clip_flipped(canvas, icon, image_x, image_y, screen_x, screen_y, width, height, draw_mode)``
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+* Draw rounded box: ``draw_rounded_box(canvas, x,y,width, heigth, draw_mode)``
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+* Draw rounded box frame: ``draw_rounded_box_frame(canvas, x,y,width, heigth, draw_mode)``
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+* Draw rectangle: ``draw_rounded_box_frame(canvas, x,y,width, heigth, draw_mode)``
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+* Invert screen colors in a rectangle: ``invert_rectangle(canvas, x, y, width, height)``
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+* Invert screen colors in a shape: ``invert_shape(canvas, image, x, y, width, height)``
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+* Read pixel: ``read_pixel(canvas, x, y)``
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+* Set pixel: ``set_pixel(canvas, x, y, draw_mode)``
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+* Draw line: ``set_pixel(canvas, x1, y1, x2, y1, draw_mode)``
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+* Test coordinate if it is in the screen: ``in_screen(x, y)``
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+* Test coordinate if it is in the screen: ``in_screen(x, y)``
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+* Get screen buffer: ``get_buffer(canvas)``
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+* Create a new buffer: ``make_buffer()``
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+* Clone buffer: ``clone_buffer(source_buffer, result_buffer)``
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+
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---
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## Math
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@@ -123,4 +155,4 @@ Before you can use it, you have to load the card_graphics.png file in your games
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- Remove card from the deck: ``remove_from_deck(index_to_remove, deck_pointer)``
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- Get first non flipped card index in a hand: ``first_non_flipped_card(hand)``
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- Move cards from one hand to another starting at index: ``extract_hand_region(from_hand, to_hand, start_index)``lipped card index in a hand: ``first_non_flipped_card(hand)``
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-- Move the whole hand into another hand: ``add_hand_region(from_hand, to_hand)``
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+- Move the whole hand into another hand: ``add_hand_region(from_hand, to_hand)``
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Tibor Tálosi