| // Copyright 2022 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| #pragma once |
| |
| #include "pw_color/color.h" |
| #include "pw_draw/font_set.h" |
| #include "pw_framebuffer/rgb565.h" |
| |
| namespace pw::draw { |
| |
| class TextArea { |
| public: |
| int cursor_x; |
| int cursor_y; |
| int column_count; |
| bool character_wrap_enabled; |
| const FontSet* current_font; |
| pw::color::color_rgb565_t foreground_color; |
| pw::color::color_rgb565_t background_color; |
| pw::framebuffer::FramebufferRgb565* framebuffer; |
| |
| TextArea(pw::framebuffer::FramebufferRgb565* fb, const FontSet* font); |
| |
| // Change the current font. |
| void SetFont(const FontSet* new_font); |
| void SetCharacterWrap(bool new_setting); |
| void SetCursor(int x, int y); |
| void ScrollUp(int lines); |
| |
| void DrawCharacter(int character); |
| void DrawCharacter(int character, int x, int y); |
| |
| void SetForegroundColor(pw::color::color_rgb565_t color); |
| void SetBackgroundColor(pw::color::color_rgb565_t color); |
| |
| void DrawTestFontSheet(int character_width, int x, int y); |
| |
| // DrawText at x, y (upper left pixel of font). Carriage returns will move |
| // text to the next line. |
| void DrawText(const char* str); |
| void DrawText(const char* str, int x, int y); |
| |
| void DrawText(const wchar_t* str); |
| void DrawText(const wchar_t* str, int x, int y); |
| |
| void MoveCursorRightOnce(); |
| void InsertLineBreak(); |
| }; |
| |
| } // namespace pw::draw |