qmk_firmware/quantum/painter/qp.h

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// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "deferred_exec.h"
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter global configurables (add to your keyboard's config.h)
#ifndef QUANTUM_PAINTER_NUM_IMAGES
/**
* @def This controls the maximum number of images that Quantum Painter can load at any one time. Images can be loaded
* using \ref qp_load_image_mem, and can be unloaded by calling \ref qp_close_image. Increasing this number in
* order to load more images increases the amount of RAM required. Image data is not held in RAM, just metadata.
*/
# define QUANTUM_PAINTER_NUM_IMAGES 8
#endif // QUANTUM_PAINTER_NUM_IMAGES
#ifndef QUANTUM_PAINTER_NUM_FONTS
/**
* @def This controls the maximum number of fonts that Quantum Painter can load. Fonts can be loaded using
* \ref qp_load_font_mem, and can be unloaded by calling \ref qp_close_font. Increasing this number in order to
* load more fonts increases the amount of RAM required. Font data is not held in RAM, unless
* \ref QUANTUM_PAINTER_LOAD_FONTS_TO_RAM is set to TRUE.
*/
# define QUANTUM_PAINTER_NUM_FONTS 4
#endif // QUANTUM_PAINTER_NUM_FONTS
#ifndef QUANTUM_PAINTER_LOAD_FONTS_TO_RAM
/**
* @def This controls whether or not fonts should be cached in RAM. Under normal circumstances, fonts can have quite
* random access patterns, and due to timing of flash memory or external storage, it may be a significant speedup
* moving the font into RAM before use. Defaults to "off", but if it's enabled it will fallback to reading from the
* original location if corresponding RAM could not be allocated (such as being too large).
*/
# define QUANTUM_PAINTER_LOAD_FONTS_TO_RAM FALSE
#endif
#ifndef QUANTUM_PAINTER_CONCURRENT_ANIMATIONS
/**
* @def This controls the maximum number of animations that Quantum Painter can play simultaneously. Increasing this
* number in order to play more animations at the same time increases the amount of RAM required.
*/
# define QUANTUM_PAINTER_CONCURRENT_ANIMATIONS 4
#endif // QUANTUM_PAINTER_CONCURRENT_ANIMATIONS
#ifndef QUANTUM_PAINTER_PIXDATA_BUFFER_SIZE
/**
* @def This controls the maximum size of the pixel data buffer used for single blocks of transmission. Larger buffers
* means more data is processed at one time, with less frequent transmissions, at the cost of RAM.
*/
# define QUANTUM_PAINTER_PIXDATA_BUFFER_SIZE 32
#endif
#ifndef QUANTUM_PAINTER_SUPPORTS_256_PALETTE
/**
* @def This controls whether 256-color palettes are supported. This has relatively hefty requirements on RAM -- at
* least 1kB extra is required just to store the palette information, with more required for other metadata.
*/
# define QUANTUM_PAINTER_SUPPORTS_256_PALETTE FALSE
#endif
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter types
/**
* @typedef A handle to a Quantum Painter device, such as an LCD or OLED. Most Quantum Painter APIs require this
* argument in order to perform operations on the display.
*/
typedef const void *painter_device_t;
/**
* @typedef The desired rotation of a panel. Used as a parameter to \ref qp_init, and can be queried by
* \ref qp_get_geometry.
*/
typedef enum { QP_ROTATION_0, QP_ROTATION_90, QP_ROTATION_180, QP_ROTATION_270 } painter_rotation_t;
/**
* @typedef A descriptor for a Quantum Painter image.
*/
typedef struct painter_image_desc_t {
uint16_t width; ///< Image width
uint16_t height; ///< Image height
uint16_t frame_count; ///< Number of frames in this image
} painter_image_desc_t;
/**
* @typedef A handle to a Quantum Painter image.
*/
typedef const painter_image_desc_t *painter_image_handle_t;
/**
* @typedef A descriptor for a Quantum Painter font.
*/
typedef struct painter_font_desc_t {
uint8_t line_height; ///< The number of pixels in height for each line
} painter_font_desc_t;
/**
* @typedef A handle to a Quantum Painter font.
*/
typedef const painter_font_desc_t *painter_font_handle_t;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API
/**
* Initialize a device and set its rotation.
*
* @param device[in] the handle of the device to initialize
* @param rotation[in] the rotation to use
* @return true if initialization succeeded
* @return false if initialization failed
*/
bool qp_init(painter_device_t device, painter_rotation_t rotation);
/**
* Controls whether a display is on or off.
*
* @note If backlighting is used to control brightness (such as for an LCD), it will need to be handled external to
* Quantum Painter.
*
* @param device[in] the handle of the device to control
* @param power_on[in] whether or not the device should be on
* @return true if controlling the power state succeeded
* @return false if controlling the power state failed
*/
bool qp_power(painter_device_t device, bool power_on);
/**
* Clears a device's screen.
*
* @param device[in] the handle of the device to control
* @return true if clearing the screen succeeded
* @return false if clearing the screen failed
*/
bool qp_clear(painter_device_t device);
/**
* Transmits any outstanding data to the screen in order to persist all changes to the display.
*
* @note Drivers without internal framebuffers will likely ignore this API.
*
* @param device[in] the handle of the device to control
* @return true if flushing changes to the screen succeeded
* @return false if flushing changes to the screen failed
*/
bool qp_flush(painter_device_t device);
/**
* Retrieves the size, rotation, and offsets for the display.
*
* @note Any arguments of NULL will be ignored.
*
* @param device[in] the handle of the device to control
* @param width[out] the device's width
* @param height[out] the device's height
* @param rotation[out] the device's rotation
* @param offset_x[out] the device's x-offset applied while drawing
* @param offset_y[out] the device's y-offset applied while drawing
*/
void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y);
/**
* Allows repositioning of the viewport if the panel geometry offsets are non-zero.
*
* @param device[in] the handle of the device to control
* @param offset_x[in] the device's x-offset applied while drawing
* @param offset_y[in] the device's y-offset applied while drawing
*/
void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_t offset_y);
/**
* Sets a pixel to the specified color.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position to draw onto the device
* @param y[in] the y-position to draw onto the device
* @param hue[in] the hue to use, with 0-360 mapped to 0-255
* @param sat[in] the saturation to use, with 0-100% mapped to 0-255
* @param val[in] the value to use, with 0-100% mapped to 0-255
* @return true if setting the pixel succeeded
* @return false if setting the pixel failed
*/
bool qp_setpixel(painter_device_t device, uint16_t x, uint16_t y, uint8_t hue, uint8_t sat, uint8_t val);
/**
* Draws a line using the specified color.
*
* @param device[in] the handle of the device to control
* @param x0[in] the device's x-position to start
* @param y0[in] the device's y-position to start
* @param x1[in] the device's x-position to finish
* @param y1[in] the device's y-position to finish
* @param hue[in] the hue to use, with 0-360 mapped to 0-255
* @param sat[in] the saturation to use, with 0-100% mapped to 0-255
* @param val[in] the value to use, with 0-100% mapped to 0-255
* @return true if drawing the line succeeded
* @return false if drawing the line failed
*/
bool qp_line(painter_device_t device, uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t hue, uint8_t sat, uint8_t val);
/**
* Draws a rectangle using the specified color, optionally filled.
*
* @param device[in] the handle of the device to control
* @param left[in] the device's x-position to start
* @param top[in] the device's y-position to start
* @param right[in] the device's x-position to finish
* @param bottom[in] the device's y-position to finish
* @param hue[in] the hue to use, with 0-360 mapped to 0-255
* @param sat[in] the saturation to use, with 0-100% mapped to 0-255
* @param val[in] the value to use, with 0-100% mapped to 0-255
* @param filled[in] whether the rectangle should be filled
* @return true if drawing the rectangle succeeded
* @return false if drawing the rectangle failed
*/
bool qp_rect(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom, uint8_t hue, uint8_t sat, uint8_t val, bool filled);
/**
* Draws a circle using the specified color, optionally filled.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position of the centre of the circle to draw onto the device
* @param y[in] the y-position of the centre of the circle to draw onto the device
* @param radius[in] the radius of the circle to draw
* @param hue[in] the hue to use, with 0-360 mapped to 0-255
* @param sat[in] the saturation to use, with 0-100% mapped to 0-255
* @param val[in] the value to use, with 0-100% mapped to 0-255
* @param filled[in] whether the circle should be filled
* @return true if drawing the circle succeeded
* @return false if drawing the circle failed
*/
bool qp_circle(painter_device_t device, uint16_t x, uint16_t y, uint16_t radius, uint8_t hue, uint8_t sat, uint8_t val, bool filled);
/**
* Draws a ellipse using the specified color, optionally filled.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position of the centre of the ellipse to draw onto the device
* @param y[in] the y-position of the centre of the ellipse to draw onto the device
* @param sizex[in] the horizontal size of the ellipse
* @param sizey[in] the vertical size of the ellipse
* @param hue[in] the hue to use, with 0-360 mapped to 0-255
* @param sat[in] the saturation to use, with 0-100% mapped to 0-255
* @param val[in] the value to use, with 0-100% mapped to 0-255
* @param filled[in] whether the ellipse should be filled
* @return true if drawing the ellipse succeeded
* @return false if drawing the ellipse failed
*/
bool qp_ellipse(painter_device_t device, uint16_t x, uint16_t y, uint16_t sizex, uint16_t sizey, uint8_t hue, uint8_t sat, uint8_t val, bool filled);
/**
* Sets up the location on the display to stream raw pixel data to the display, using \ref qp_pixdata.
*
* @note This is for advanced uses only, and should not be required for normal Quantum Painter functionality.
*
* @param device[in] the handle of the device to control
* @param left[in] the device's x-position to start
* @param top[in] the device's y-position to start
* @param right[in] the device's x-position to finish
* @param bottom[in] the device's y-position to finish
* @return true if setting the viewport succeeded
* @return false if setting the viewport failed
*/
bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom);
/**
* Streams raw pixel data (in the native panel format) to the area previously set by \ref qp_viewport.
*
* @note This is for advanced uses only, and should not be required for normal Quantum Painter functionality.
*
* @param device[in] the handle of the device to control
* @param pixel_data[in] pointer to buffer data
* @param native_pixel_count[in] the number of pixels to transmit
* @return true if streaming of data succeeded
* @return false if streaming of data failed
*/
bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count);
/**
* Loads an image into memory.
*
* @note Images can be unloaded by calling \ref qp_close_image.
*
* @param buffer[in] the image data to load
* @return an image handle usable with \ref qp_drawimage, \ref qp_drawimage_recolor, \ref qp_animate, and
* \ref qp_animate_recolor.
* @return NULL if loading the image failed
*/
painter_image_handle_t qp_load_image_mem(const void *buffer);
/**
* Closes an image handle when no longer in use.
*
* @param image[in] the handle of the image to unload
* @return true if unloading the image succeeded
* @return false if unloading the image failed
*/
bool qp_close_image(painter_image_handle_t image);
/**
* Draws an image to the display.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the image should be drawn onto the device
* @param y[in] the y-position where the image should be drawn onto the device
* @param image[in] the handle of the image to draw
* @return true if drawing the image succeeded
* @return false if drawing the image failed
*/
bool qp_drawimage(painter_device_t device, uint16_t x, uint16_t y, painter_image_handle_t image);
/**
* Draws an image to the display, recoloring monochrome images to the desired foreground/background.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the image should be drawn onto the device
* @param y[in] the y-position where the image should be drawn onto the device
* @param image[in] the handle of the image to draw
* @param hue_fg[in] the foreground hue to use, with 0-360 mapped to 0-255
* @param sat_fg[in] the foreground saturation to use, with 0-100% mapped to 0-255
* @param val_fg[in] the foreground value to use, with 0-100% mapped to 0-255
* @param hue_bg[in] the background hue to use, with 0-360 mapped to 0-255
* @param sat_bg[in] the background saturation to use, with 0-100% mapped to 0-255
* @param val_bg[in] the background value to use, with 0-100% mapped to 0-255
* @return true if drawing the image succeeded
* @return false if drawing the image failed
*/
bool qp_drawimage_recolor(painter_device_t device, uint16_t x, uint16_t y, painter_image_handle_t image, uint8_t hue_fg, uint8_t sat_fg, uint8_t val_fg, uint8_t hue_bg, uint8_t sat_bg, uint8_t val_bg);
/**
* Draws an animation to the display.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the image should be drawn onto the device
* @param y[in] the y-position where the image should be drawn onto the device
* @param image[in] the handle of the image to draw
* @return the \ref deferred_token to use with \ref qp_stop_animation in order to stop animating
* @return INVALID_DEFERRED_TOKEN if animating the image failed
*/
deferred_token qp_animate(painter_device_t device, uint16_t x, uint16_t y, painter_image_handle_t image);
/**
* Draws an animation to the display, recoloring monochrome images to the desired foreground/background.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the image should be drawn onto the device
* @param y[in] the y-position where the image should be drawn onto the device
* @param image[in] the handle of the image to draw
* @param hue_fg[in] the foreground hue to use, with 0-360 mapped to 0-255
* @param sat_fg[in] the foreground saturation to use, with 0-100% mapped to 0-255
* @param val_fg[in] the foreground value to use, with 0-100% mapped to 0-255
* @param hue_bg[in] the background hue to use, with 0-360 mapped to 0-255
* @param sat_bg[in] the background saturation to use, with 0-100% mapped to 0-255
* @param val_bg[in] the background value to use, with 0-100% mapped to 0-255
* @return the \ref deferred_token to use with \ref qp_stop_animation in order to stop animating
* @return INVALID_DEFERRED_TOKEN if animating the image failed
*/
deferred_token qp_animate_recolor(painter_device_t device, uint16_t x, uint16_t y, painter_image_handle_t image, uint8_t hue_fg, uint8_t sat_fg, uint8_t val_fg, uint8_t hue_bg, uint8_t sat_bg, uint8_t val_bg);
/**
* Cancels a running animation.
*
* @param anim_token[in] the animation token returned by \ref qp_animate, or \ref qp_animate_recolor.
*/
void qp_stop_animation(deferred_token anim_token);
/**
* Loads a font into memory.
*
* @note Fonts can be unloaded by calling \ref qp_close_font.
*
* @param buffer[in] the font data to load
* @return an image handle usable with \ref qp_textwidth, \ref qp_drawtext, and \ref qp_drawtext_recolor.
* @return NULL if loading the font failed
*/
painter_font_handle_t qp_load_font_mem(const void *buffer);
/**
* Closes a font handle when no longer in use.
*
* @param font[in] the handle of the font to unload
* @return true if unloading the font succeeded
* @return false if unloading the font failed
*/
bool qp_close_font(painter_font_handle_t font);
/**
* Measures the width (in pixels) of the supplied string, given the specified font.
*
* @param font[in] the handle of the font
* @param str[in] the string to measure
* @return the width (in pixels) needed to draw the specified string
*/
int16_t qp_textwidth(painter_font_handle_t font, const char *str);
/**
* Draws text to the display.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the text should be drawn onto the device
* @param y[in] the y-position where the text should be drawn onto the device
* @param font[in] the handle of the font
* @param str[in] the string to draw
* @return the width (in pixels) used when drawing the specified string
*/
int16_t qp_drawtext(painter_device_t device, uint16_t x, uint16_t y, painter_font_handle_t font, const char *str);
/**
* Draws text to the display, recoloring monochrome fonts to the desired foreground/background.
*
* @param device[in] the handle of the device to control
* @param x[in] the x-position where the text should be drawn onto the device
* @param y[in] the y-position where the text should be drawn onto the device
* @param font[in] the handle of the font
* @param str[in] the string to draw
* @param hue_fg[in] the foreground hue to use, with 0-360 mapped to 0-255
* @param sat_fg[in] the foreground saturation to use, with 0-100% mapped to 0-255
* @param val_fg[in] the foreground value to use, with 0-100% mapped to 0-255
* @param hue_bg[in] the background hue to use, with 0-360 mapped to 0-255
* @param sat_bg[in] the background saturation to use, with 0-100% mapped to 0-255
* @param val_bg[in] the background value to use, with 0-100% mapped to 0-255
* @return the width (in pixels) used when drawing the specified string
*/
int16_t qp_drawtext_recolor(painter_device_t device, uint16_t x, uint16_t y, painter_font_handle_t font, const char *str, uint8_t hue_fg, uint8_t sat_fg, uint8_t val_fg, uint8_t hue_bg, uint8_t sat_bg, uint8_t val_bg);
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter Drivers
#ifdef QUANTUM_PAINTER_ILI9163_ENABLE
# include "qp_ili9163.h"
#endif // QUANTUM_PAINTER_ILI9163_ENABLE
#ifdef QUANTUM_PAINTER_ILI9341_ENABLE
# include "qp_ili9341.h"
#endif // QUANTUM_PAINTER_ILI9341_ENABLE
#ifdef QUANTUM_PAINTER_ST7789_ENABLE
# include "qp_st7789.h"
#endif // QUANTUM_PAINTER_ST7789_ENABLE
#ifdef QUANTUM_PAINTER_GC9A01_ENABLE
# include "qp_gc9a01.h"
#endif // QUANTUM_PAINTER_GC9A01_ENABLE
#ifdef QUANTUM_PAINTER_SSD1351_ENABLE
# include "qp_ssd1351.h"
#endif // QUANTUM_PAINTER_SSD1351_ENABLE