// 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_ILI9488_ENABLE # include "qp_ili9488.h" #endif // QUANTUM_PAINTER_ILI9488_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