vicky filor / N5110

Library for LCD

Fork of N5110 by Craig Evans

Bitmap.h@45:c2598020fcac, 2017-03-21 (annotated)

Committer:
valavanisalex
Date:
Tue Mar 21 11:46:14 2017 +0000
Revision:
45:c2598020fcac
Parent:
42:c9262294f2e1 
Fix line rendering when direction is negative

Who changed what in which revision?

UserRevisionLine numberNew contents of line
valavanisalex 40:92fad278c2c3 1 #ifndef BITMAP_H
valavanisalex 40:92fad278c2c3 2 #define BITMAP_H
valavanisalex 40:92fad278c2c3 3
valavanisalex 40:92fad278c2c3 4 #include <vector>
valavanisalex 40:92fad278c2c3 5
valavanisalex 42:c9262294f2e1 6 // Forward declarations
valavanisalex 42:c9262294f2e1 7 class N5110;
valavanisalex 42:c9262294f2e1 8
valavanisalex 40:92fad278c2c3 9 /**
valavanisalex 42:c9262294f2e1 10 * @brief A black & white bitmap that can be rendered on an N5110 screen
valavanisalex 42:c9262294f2e1 11 * @author Alex Valavanis <a.valavanis@leeds.ac.uk>
valavanisalex 42:c9262294f2e1 12 *
valavanisalex 42:c9262294f2e1 13 * @code
valavanisalex 42:c9262294f2e1 14 // First declare the pixel map data using '1' for black,
valavanisalex 42:c9262294f2e1 15 // or '0' for white pixels
valavanisalex 42:c9262294f2e1 16 static int sprite_data[] = {
valavanisalex 42:c9262294f2e1 17 0,0,1,0,0,
valavanisalex 42:c9262294f2e1 18 0,1,1,1,0,
valavanisalex 42:c9262294f2e1 19 0,0,1,0,0,
valavanisalex 42:c9262294f2e1 20 0,1,1,1,0,
valavanisalex 42:c9262294f2e1 21 1,1,1,1,1,
valavanisalex 42:c9262294f2e1 22 1,1,1,1,1,
valavanisalex 42:c9262294f2e1 23 1,1,0,1,1,
valavanisalex 42:c9262294f2e1 24 1,1,0,1,1
valavanisalex 42:c9262294f2e1 25 };
valavanisalex 42:c9262294f2e1 26
valavanisalex 42:c9262294f2e1 27 // Instantiate the Bitmap object using the data above
valavanisalex 42:c9262294f2e1 28 Bitmap sprite(sprite_data, 8, 5); // Specify rows and columns in sprite
valavanisalex 42:c9262294f2e1 29
valavanisalex 42:c9262294f2e1 30 // We can render the bitmap wherever we want on the screen
valavanisalex 42:c9262294f2e1 31 sprite.render(lcd, 20, 6); // x and y locations for rendering
valavanisalex 42:c9262294f2e1 32 sprite.render(lcd, 30, 10);
valavanisalex 42:c9262294f2e1 33
valavanisalex 42:c9262294f2e1 34 // We can also print its values to the terminal
valavanisalex 42:c9262294f2e1 35 sprite.print();
valavanisalex 42:c9262294f2e1 36 * @endcode
valavanisalex 40:92fad278c2c3 37 */
valavanisalex 40:92fad278c2c3 38 class Bitmap
valavanisalex 40:92fad278c2c3 39 {
valavanisalex 40:92fad278c2c3 40 private:
valavanisalex 40:92fad278c2c3 41 /**
valavanisalex 40:92fad278c2c3 42 * @brief The contents of the drawing, with pixels stored in row-major order
valavanisalex 40:92fad278c2c3 43 * @details '1' represents a black pixel; '0' represents white
valavanisalex 40:92fad278c2c3 44 */
valavanisalex 40:92fad278c2c3 45 std::vector<int> _contents;
valavanisalex 40:92fad278c2c3 46
valavanisalex 40:92fad278c2c3 47 unsigned int _height; ///< The height of the drawing in pixels
valavanisalex 40:92fad278c2c3 48 unsigned int _width; ///< The width of the drawing in pixels
valavanisalex 40:92fad278c2c3 49
valavanisalex 40:92fad278c2c3 50 public:
valavanisalex 42:c9262294f2e1 51 Bitmap(int const *contents,
valavanisalex 42:c9262294f2e1 52 unsigned int const height,
valavanisalex 42:c9262294f2e1 53 unsigned int const width);
valavanisalex 40:92fad278c2c3 54
valavanisalex 40:92fad278c2c3 55 int get_pixel(unsigned int const row,
valavanisalex 40:92fad278c2c3 56 unsigned int const column) const;
valavanisalex 42:c9262294f2e1 57
valavanisalex 42:c9262294f2e1 58 void print() const;
valavanisalex 42:c9262294f2e1 59
valavanisalex 42:c9262294f2e1 60 void render(N5110 &lcd,
valavanisalex 42:c9262294f2e1 61 unsigned int const x0,
valavanisalex 42:c9262294f2e1 62 unsigned int const y0) const;
valavanisalex 40:92fad278c2c3 63 };
valavanisalex 40:92fad278c2c3 64
valavanisalex 42:c9262294f2e1 65 #endif // BITMAP_H