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STM32: Add support for rendering rotation

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This commit is contained in:
Simon Hausmann 2024-08-30 08:28:37 +02:00 • committed by Simon Hausmann
parent a7c0ae30e8
commit 4d585279b0
1 changed files with 19 additions and 5 deletions
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24
api/cpp/include/slint-stm32.h
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@ -48,6 +48,8 @@ struct SlintPlatformConfiguration
0
#endif
;
slint::platform::SoftwareRenderer::RenderingRotation rotation =
slint::platform::SoftwareRenderer::RenderingRotation::NoRotation;
};
namespace slint::private_api {
@ -77,11 +79,14 @@ struct StmSlintPlatform : public slint::platform::Platform
StmWindowAdapter *m_window = nullptr;
const slint::PhysicalSize size;
slint::platform::SoftwareRenderer::RenderingRotation rotation;
std::span<Pixel> buffer1;
std::span<Pixel> buffer2;
StmSlintPlatform(slint::PhysicalSize size, std::span<Pixel> buffer1, std::span<Pixel> buffer2)
: size(size), buffer1(buffer1), buffer2(buffer2)
StmSlintPlatform(slint::PhysicalSize size,
slint::platform::SoftwareRenderer::RenderingRotation rotation,
std::span<Pixel> buffer1, std::span<Pixel> buffer2)
: size(size), rotation(rotation), buffer1(buffer1), buffer2(buffer2)
{
BSP_LCD_LayerConfig_t config;
config.X0 = 0;
@ -98,6 +103,7 @@ struct StmSlintPlatform : public slint::platform::Platform
std::unique_ptr<slint::platform::WindowAdapter> create_window_adapter() override
{
auto w = std::make_unique<StmWindowAdapter>(size);
w->m_renderer.set_rendering_rotation(rotation);
m_window = w.get();
return w;
}
@ -144,7 +150,15 @@ struct StmSlintPlatform : public slint::platform::Platform
if (std::exchange(m_window->needs_redraw, false)) {
while (!screen_ready) { }
m_window->m_renderer.render(buffer1, m_window->m_size.width);
auto rotated = rotation
== slint::platform::SoftwareRenderer::RenderingRotation::
Rotate90
|| rotation
== slint::platform::SoftwareRenderer::RenderingRotation::
Rotate270;
m_window->m_renderer.render(
buffer1, rotated ? m_window->m_size.height : m_window->m_size.width);
SCB_CleanDCache_by_Addr((uint32_t *)buffer1.data(), buffer1.size());
@ -176,6 +190,6 @@ inline void slint_stm32_init(const SlintPlatformConfiguration &config)
config.lcd_layer_1_address),
a);
slint::platform::set_platform(
std::make_unique<slint::private_api::StmSlintPlatform>(config.size, buffer1, buffer2));
slint::platform::set_platform(std::make_unique<slint::private_api::StmSlintPlatform>(
config.size, config.rotation, buffer1, buffer2));
}