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Fix check for empty clipping array (#4421)

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This commit is contained in:
NP v/d Spek
2023-02-12 17:03:53 +01:00
committed by GitHub
parent f8acc45be4
commit 58eeb6b1b8
2 changed files with 28 additions and 40 deletions
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esphome/components/display/display_buffer.h
+23 -35
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@@ -400,60 +400,48 @@ class DisplayBuffer {
*/
virtual DisplayType get_display_type() = 0;
///
/// Set the clipping rectangle for further drawing
///
/// \param[in] rect: Pointer to Rect for clipping (or NULL for entire screen)
///
/// \return true if success, false if error
///
/** Set the clipping rectangle for further drawing
*
* @param[in] rect: Pointer to Rect for clipping (or NULL for entire screen)
*
* return true if success, false if error
*/
void start_clipping(Rect rect);
void start_clipping(int16_t left, int16_t top, int16_t right, int16_t bottom) {
start_clipping(Rect(left, top, right - left, bottom - top));
};
///
/// Add a rectangular region to the invalidation region
/// - This is usually called when an element has been modified
///
/// \param[in] rect: Rectangle to add to the invalidation region
///
/// \return none
///
/** Add a rectangular region to the invalidation region
* - This is usually called when an element has been modified
*
* @param[in] rect: Rectangle to add to the invalidation region
*/
void extend_clipping(Rect rect);
void extend_clipping(int16_t left, int16_t top, int16_t right, int16_t bottom) {
this->extend_clipping(Rect(left, top, right - left, bottom - top));
};
///
/// substract a rectangular region to the invalidation region
/// - This is usually called when an element has been modified
///
/// \param[in] rect: Rectangle to add to the invalidation region
///
/// \return none
///
/** substract a rectangular region to the invalidation region
* - This is usually called when an element has been modified
*
* @param[in] rect: Rectangle to add to the invalidation region
*/
void shrink_clipping(Rect rect);
void shrink_clipping(uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
this->shrink_clipping(Rect(left, top, right - left, bottom - top));
};
///
/// Reset the invalidation region
///
/// \return none
///
/** Reset the invalidation region
*/
void end_clipping();
///
/// Get the current the clipping rectangle
///
///
/// \return rect for active clipping region
///
/** Get the current the clipping rectangle
*
* return rect for active clipping region
*/
Rect get_clipping();
bool is_clipping() const { return this->clipping_rectangle_.empty(); }
bool is_clipping() const { return !this->clipping_rectangle_.empty(); }
protected:
void vprintf_(int x, int y, Font *font, Color color, TextAlign align, const char *format, va_list arg);