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Diffstat (limited to 'quantum/painter/qp.h')
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1 files changed, 453 insertions, 0 deletions
diff --git a/quantum/painter/qp.h b/quantum/painter/qp.h new file mode 100644 index 0000000000..e1c14d156c --- /dev/null +++ b/quantum/painter/qp.h @@ -0,0 +1,453 @@ +// 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 |