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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Display Management (Display) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_display.h" |
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#if defined(GX_MOUSE_SUPPORT) && !defined(GX_HARDWARE_MOUSE_SUPPORT) |
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static GX_UBYTE mouse_capture_memory[GX_MOUSE_MAX_RESOLUTION * GX_MOUSE_MAX_RESOLUTION / 4] = { 0 }; |
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#endif |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_4bpp_grayscale_setup PORTABLE C */ |
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/* 6.1.3 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* Generic 4bpp color format display driver setup routine. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* display The display control block */ |
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/* aux_data Driver-defined auxiliary data */ |
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/* toggle_function Driver-defined screen toggle */ |
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/* function */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_display_driver_4bpp_grayscale_setup(GX_DISPLAY *display, VOID *aux_data, |
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VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas, |
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GX_RECTANGLE *dirty_area)) |
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{ |
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/* Default initiate and complete function to null for general condition. */ |
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display -> gx_display_driver_drawing_initiate = GX_NULL; |
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display -> gx_display_driver_drawing_complete = GX_NULL; |
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#if defined(GX_MOUSE_SUPPORT) |
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#if defined(GX_HARDWARE_MOUSE_SUPPORT) |
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display -> gx_display_mouse_position_set = GX_NULL; |
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display -> gx_display_mouse_enable = GX_NULL; |
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#else |
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display -> gx_display_mouse.gx_mouse_capture_memory = (GX_UBYTE *)mouse_capture_memory; |
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display -> gx_display_mouse.gx_mouse_status = 0; |
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display -> gx_display_mouse.gx_mouse_position.gx_point_x = display -> gx_display_width / 2; |
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display -> gx_display_mouse.gx_mouse_position.gx_point_y = display -> gx_display_height / 2; |
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/* these functions are specific to the display color format, and will be NULL for hardware mouse */ |
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display -> gx_display_mouse_capture = _gx_display_driver_4bpp_mouse_capture; |
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display -> gx_display_mouse_restore = _gx_display_driver_4bpp_mouse_restore; |
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display -> gx_display_mouse_draw = _gx_display_driver_generic_mouse_draw; |
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display -> gx_display_driver_drawing_initiate = _gx_display_driver_generic_drawing_initiate; |
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display -> gx_display_driver_drawing_complete = _gx_display_driver_generic_drawing_complete; |
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display -> gx_display_mouse_position_set = _gx_display_driver_generic_mouse_position_set; |
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display -> gx_display_mouse_enable = _gx_display_driver_generic_mouse_enable; |
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#endif |
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/* these functions are generic, same for every color depth, but will be overridden for hardware mouse */ |
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display -> gx_display_mouse.gx_mouse_cursor_info = GX_NULL; |
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display -> gx_display_mouse_define = _gx_display_driver_generic_mouse_define; |
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#endif |
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display -> gx_display_rotation_angle = 0; |
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display -> gx_display_driver_data = (VOID *)aux_data; |
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display -> gx_display_accelerator = GX_NULL; |
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display -> gx_display_layer_services = GX_NULL; |
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display -> gx_display_driver_callback_assign = GX_NULL; |
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display -> gx_display_color_format = GX_COLOR_FORMAT_4BIT_GRAY; |
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display -> gx_display_driver_canvas_copy = _gx_display_driver_4bpp_canvas_copy; |
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display -> gx_display_driver_simple_line_draw = _gx_display_driver_4bpp_simple_line_draw; |
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display -> gx_display_driver_horizontal_line_draw = _gx_display_driver_4bpp_horizontal_line_draw; |
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display -> gx_display_driver_vertical_line_draw = _gx_display_driver_4bpp_vertical_line_draw; |
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display -> gx_display_driver_horizontal_pattern_line_draw = _gx_display_driver_4bpp_horizontal_pattern_line_draw; |
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display -> gx_display_driver_vertical_pattern_line_draw = _gx_display_driver_4bpp_vertical_pattern_line_draw; |
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display -> gx_display_driver_horizontal_pixelmap_line_draw = _gx_display_driver_4bpp_horizontal_pixelmap_line_draw; |
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display -> gx_display_driver_pixel_write = _gx_display_driver_4bpp_pixel_write; |
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display -> gx_display_driver_native_color_get = _gx_display_driver_4bpp_native_color_get; |
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display -> gx_display_driver_row_pitch_get = _gx_display_driver_4bpp_row_pitch_get; |
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display -> gx_display_driver_block_move = _gx_display_driver_4bpp_block_move; |
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display -> gx_display_driver_pixelmap_draw = _gx_display_driver_4bpp_pixelmap_draw; |
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display -> gx_display_driver_alphamap_draw = GX_NULL; |
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display -> gx_display_driver_anti_aliased_line_draw = GX_NULL; |
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display -> gx_display_driver_anti_aliased_wide_line_draw = GX_NULL; |
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display -> gx_display_driver_pixelmap_rotate = _gx_display_driver_4bpp_pixelmap_rotate; |
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display -> gx_display_driver_simple_wide_line_draw = _gx_display_driver_generic_simple_wide_line_draw; |
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display -> gx_display_driver_polygon_draw = _gx_display_driver_generic_polygon_draw; |
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display -> gx_display_driver_polygon_fill = _gx_display_driver_generic_polygon_fill; |
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#if defined(GX_ARC_DRAWING_SUPPORT) |
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display -> gx_display_driver_anti_aliased_circle_draw = GX_NULL; |
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display -> gx_display_driver_anti_aliased_ellipse_draw = GX_NULL; |
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display -> gx_display_driver_circle_draw = _gx_display_driver_generic_circle_draw; |
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display -> gx_display_driver_circle_fill = _gx_display_driver_generic_circle_fill; |
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display -> gx_display_driver_pie_fill = _gx_display_driver_generic_pie_fill; |
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display -> gx_display_driver_anti_aliased_arc_draw = GX_NULL; |
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display -> gx_display_driver_arc_draw = _gx_display_driver_generic_arc_draw; |
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display -> gx_display_driver_arc_fill = _gx_display_driver_generic_arc_fill; |
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display -> gx_display_driver_ellipse_draw = _gx_display_driver_generic_ellipse_draw; |
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display -> gx_display_driver_ellipse_fill = _gx_display_driver_generic_ellipse_fill; |
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display -> gx_display_driver_anti_aliased_wide_circle_draw = GX_NULL; |
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display -> gx_display_driver_wide_circle_draw = _gx_display_driver_generic_wide_circle_draw; |
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display -> gx_display_driver_anti_aliased_wide_ellipse_draw= GX_NULL; |
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display -> gx_display_driver_wide_ellipse_draw = _gx_display_driver_generic_wide_ellipse_draw; |
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display -> gx_display_driver_anti_aliased_wide_arc_draw = GX_NULL; |
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display -> gx_display_driver_wide_arc_draw = _gx_display_driver_generic_wide_arc_draw; |
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#endif |
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display -> gx_display_driver_8bit_glyph_draw = GX_NULL; |
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display -> gx_display_driver_4bit_glyph_draw = _gx_display_driver_4bpp_glyph_4bit_draw; |
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display -> gx_display_driver_1bit_glyph_draw = _gx_display_driver_4bpp_glyph_1bit_draw; |
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display -> gx_display_driver_palette_set = GX_NULL; |
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display -> gx_display_driver_buffer_toggle = toggle_function; |
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display -> gx_display_driver_canvas_blend = GX_NULL; |
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display -> gx_display_driver_pixel_blend = GX_NULL; |
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display -> gx_display_driver_pixelmap_blend = GX_NULL; |
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display -> gx_display_driver_8bit_compressed_glyph_draw = GX_NULL; |
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display -> gx_display_driver_4bit_compressed_glyph_draw = GX_NULL; |
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display -> gx_display_driver_1bit_compressed_glyph_draw = GX_NULL; |
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#if defined(GX_SOFTWARE_DECODER_SUPPORT) |
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display -> gx_display_driver_jpeg_draw = GX_NULL; |
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display -> gx_display_driver_png_draw = GX_NULL; |
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#endif |
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} |
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