68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/******************************************************************************
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* Copyright (c) 2018(-2023) STMicroelectronics.
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* All rights reserved.
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*
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* This file is part of the TouchGFX 4.21.2 distribution.
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*
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* This software is licensed under terms that can be found in the LICENSE file in
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* the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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*******************************************************************************/
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#include <touchgfx/Drawable.hpp>
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#include <touchgfx/Font.hpp>
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#include <touchgfx/hal/HAL.hpp>
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#include <touchgfx/lcd/LCD.hpp>
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#include <touchgfx/widgets/ButtonWithLabel.hpp>
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namespace touchgfx
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{
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ButtonWithLabel::ButtonWithLabel()
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: Button(), typedText(), color(0), colorPressed(0), rotation(TEXT_ROTATE_0), textHeightIncludingSpacing(0)
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{
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}
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void ButtonWithLabel::draw(const Rect& area) const
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{
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Button::draw(area);
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if (typedText.hasValidId())
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{
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const Font* fontToDraw = typedText.getFont(); // Never return 0
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int16_t height = textHeightIncludingSpacing;
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int16_t offset;
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Rect labelRect;
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switch (rotation)
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{
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case TEXT_ROTATE_0:
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offset = (this->getHeight() - height) / 2; // Prefer round down
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labelRect = Rect(0, offset, this->getWidth(), height);
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break;
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case TEXT_ROTATE_180:
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offset = ((this->getHeight() - height) + 1) / 2; // Prefer round up
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labelRect = Rect(0, offset, this->getWidth(), height);
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break;
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case TEXT_ROTATE_90:
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offset = ((this->getWidth() - height) + 1) / 2; // Prefer round up
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labelRect = Rect(offset, 0, height, this->getHeight());
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break;
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case TEXT_ROTATE_270:
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offset = (this->getWidth() - height) / 2; // Prefer round down
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labelRect = Rect(offset, 0, height, this->getHeight());
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break;
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}
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Rect dirty = labelRect & area;
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if (!dirty.isEmpty())
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{
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dirty.x -= labelRect.x;
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dirty.y -= labelRect.y;
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translateRectToAbsolute(labelRect);
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LCD::StringVisuals visuals(fontToDraw, pressed ? colorPressed : color, alpha, typedText.getAlignment(), 0, rotation, typedText.getTextDirection(), 0, WIDE_TEXT_NONE);
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HAL::lcd().drawString(labelRect, dirty, visuals, typedText.getText());
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}
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}
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}
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} // namespace touchgfx
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