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[sdl] Allow window to be resized. (#7698)

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Clyde Stubbs 2024-10-31 06:30:46 +11:00 committed by GitHub
parent 765579dabb
commit d3563e4e97
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GPG key ID: B5690EEEBB952194
2 changed files with 23 additions and 5 deletions
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27
esphome/components/sdl/sdl_esphome.cpp
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@ -9,8 +9,9 @@ void Sdl::setup() {
ESP_LOGD(TAG, "Starting setup"); ESP_LOGD(TAG, "Starting setup");
SDL_Init(SDL_INIT_VIDEO); SDL_Init(SDL_INIT_VIDEO);
this->window_ = SDL_CreateWindow(App.get_name().c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, this->window_ = SDL_CreateWindow(App.get_name().c_str(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
this->width_, this->height_, 0); this->width_, this->height_, SDL_WINDOW_RESIZABLE);
this->renderer_ = SDL_CreateRenderer(this->window_, -1, SDL_RENDERER_SOFTWARE); this->renderer_ = SDL_CreateRenderer(this->window_, -1, SDL_RENDERER_SOFTWARE);
SDL_RenderSetLogicalSize(this->renderer_, this->width_, this->height_);
this->texture_ = this->texture_ =
SDL_CreateTexture(this->renderer_, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STATIC, this->width_, this->height_); SDL_CreateTexture(this->renderer_, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STATIC, this->width_, this->height_);
SDL_SetTextureBlendMode(this->texture_, SDL_BLENDMODE_BLEND); SDL_SetTextureBlendMode(this->texture_, SDL_BLENDMODE_BLEND);
@ -25,6 +26,10 @@ void Sdl::update() {
this->y_low_ = this->height_; this->y_low_ = this->height_;
this->x_high_ = 0; this->x_high_ = 0;
this->y_high_ = 0; this->y_high_ = 0;
this->redraw_(rect);
}
void Sdl::redraw_(SDL_Rect &rect) {
SDL_RenderCopy(this->renderer_, this->texture_, &rect, &rect); SDL_RenderCopy(this->renderer_, this->texture_, &rect, &rect);
SDL_RenderPresent(this->renderer_); SDL_RenderPresent(this->renderer_);
} }
@ -33,15 +38,13 @@ void Sdl::draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *
display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) { display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) {
SDL_Rect rect{x_start, y_start, w, h}; SDL_Rect rect{x_start, y_start, w, h};
if (this->rotation_ != display::DISPLAY_ROTATION_0_DEGREES || bitness != display::COLOR_BITNESS_565 || big_endian) { if (this->rotation_ != display::DISPLAY_ROTATION_0_DEGREES || bitness != display::COLOR_BITNESS_565 || big_endian) {
display::Display::draw_pixels_at(x_start, y_start, w, h, ptr, order, bitness, big_endian, x_offset, y_offset, Display::draw_pixels_at(x_start, y_start, w, h, ptr, order, bitness, big_endian, x_offset, y_offset, x_pad);
x_pad);
} else { } else {
auto stride = x_offset + w + x_pad; auto stride = x_offset + w + x_pad;
auto data = ptr + (stride * y_offset + x_offset) * 2; auto data = ptr + (stride * y_offset + x_offset) * 2;
SDL_UpdateTexture(this->texture_, &rect, data, stride * 2); SDL_UpdateTexture(this->texture_, &rect, data, stride * 2);
} }
SDL_RenderCopy(this->renderer_, this->texture_, &rect, &rect); this->redraw_(rect);
SDL_RenderPresent(this->renderer_);
} }
void Sdl::draw_pixel_at(int x, int y, Color color) { void Sdl::draw_pixel_at(int x, int y, Color color) {
@ -84,6 +87,20 @@ void Sdl::loop() {
} }
break; break;
case SDL_WINDOWEVENT:
switch (e.window.event) {
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_EXPOSED:
case SDL_WINDOWEVENT_RESIZED: {
SDL_Rect rect{0, 0, this->width_, this->height_};
this->redraw_(rect);
break;
}
default:
break;
}
break;
default: default:
ESP_LOGV(TAG, "Event %d", e.type); ESP_LOGV(TAG, "Event %d", e.type);
break; break;

1
esphome/components/sdl/sdl_esphome.h
View file

@ -38,6 +38,7 @@ class Sdl : public display::Display {
protected: protected:
int get_width_internal() override { return this->width_; } int get_width_internal() override { return this->width_; }
int get_height_internal() override { return this->height_; } int get_height_internal() override { return this->height_; }
void redraw_(SDL_Rect &rect);
int width_{}; int width_{};
int height_{}; int height_{};
SDL_Renderer *renderer_{}; SDL_Renderer *renderer_{};