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[UI]: Clear previous blur shadow each render

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fanlumaster committed 2025-06-16 23:46:07 +08:00
1 parent 54165d9717
commit 2b8f249f7e
1 file changed
+28 -43
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server/src/d2d/candidate_window_d2d.cpp
+28 -43
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@@ -208,17 +208,18 @@ void PaintCandidates(HWND hwnd, std::wstring &text)
pRenderTarget->BeginDraw();
/* Clear to transparent */
pRenderTarget->Clear(D2D1::ColorF(0.1f, 0.1f, 0.1f, 0.0f));
pRenderTarget->Clear(D2D1::ColorF(0.0f, 0.0f, 0.0f, 0.0f)); // Fully transparent
/* Create a compatible render target for gaussian blur */
/* Draw shadow/blur effect only once */
ComPtr<ID2D1BitmapRenderTarget> pCompatibleRenderTarget;
HRESULT hr = pRenderTarget->CreateCompatibleRenderTarget(&pCompatibleRenderTarget);
if (SUCCEEDED(hr))
{
pCompatibleRenderTarget->BeginDraw();
pCompatibleRenderTarget->Clear(D2D1::ColorF(0.0f, 0.0f, 0.0f, 0.0f)); // Clear shadow render target
/* Draw background to compatible render target */
pBrush->SetColor(D2D1::ColorF(0.0f, 0.0f, 0.0f, 0.6f));
pBrush->SetColor(D2D1::ColorF(10.0 / 255.0f, 10.0 / 255.0f, 10.0 / 255.0f, 0.5f));
D2D1_ROUNDED_RECT roundedRect = {
D2D1::RectF( //
6.0f, //
@@ -229,57 +230,48 @@ void PaintCandidates(HWND hwnd, std::wstring &text)
8.0f //
};
pCompatibleRenderTarget->FillRoundedRectangle(roundedRect, pBrush.Get());
pCompatibleRenderTarget->EndDraw();
/* Get bitmap */
/* Get bitmap and apply blur */
ComPtr<ID2D1Bitmap> pBitmap;
hr = pCompatibleRenderTarget->GetBitmap(&pBitmap);
if (SUCCEEDED(hr) && pGaussianBlurEffect)
{
pGaussianBlurEffect->SetInput(0, pBitmap.Get());
/* Draw blur effect */
pDeviceContext->DrawImage(pGaussianBlurEffect.Get());
}
pBrush->SetColor(D2D1::ColorF(22.0f / 255.0f, 22.0f / 255.0f, 22.0f / 255.0f, 1.0f));
roundedRect = {
D2D1::RectF( //
0.0f, //
0.0f, //
120.0f / 1.25f, //
296.0f / 1.25f), //
8.0f, //
8.0f //
};
pRenderTarget->FillRoundedRectangle(roundedRect, pBrush.Get());
}
std::vector<std::wstring> lines = CommonUtils::cvt_str_to_vector(text);
/* Draw main content */
pBrush->SetColor(D2D1::ColorF(22.0f / 255.0f, 22.0f / 255.0f, 22.0f / 255.0f, 1.0f));
D2D1_ROUNDED_RECT roundedRect = {
D2D1::RectF( //
0.0f, //
0.0f, //
120.0f / 1.25f, //
296.0f / 1.25f), //
8.0f, //
8.0f //
};
pRenderTarget->FillRoundedRectangle(roundedRect, pBrush.Get());
/* Draw text content */
std::vector<std::wstring> lines = CommonUtils::cvt_str_to_vector(text);
float lineHeight = 26.0f;
float x = 8.0f;
float y = 0.0f;
float lineHeight = 26.0f; //
float x = 8.0f; //
float y = 0.0f; //
for (int i = 0; i < lines.size(); ++i)
{
if (i == 1)
{
float radius = 6.0f;
float width = MeasureTextWidth(pDWriteFactory, pTextFormat, lines[i]);
OutputDebugString(fmt::format(L"width: {}", width).c_str());
if (width < 56)
{
width = 56;
}
D2D1_ROUNDED_RECT roundedRect = {
D2D1::RectF( //
x - 3.0f, //
y, //
x + width + 5.0f, //
y + lineHeight - 1.0f), //
radius, //
radius //
};
D2D1_ROUNDED_RECT roundedRect = {D2D1::RectF(x - 3.0f, y, x + width + 5.0f, y + lineHeight - 1.0f), radius,
radius};
pBrush->SetColor(D2D1::ColorF(D2D1::ColorF::LightBlue, 0.3f));
pRenderTarget->FillRoundedRectangle(roundedRect, pBrush.Get());
pBrush->SetColor(D2D1::ColorF(D2D1::ColorF::Pink, 1.0f));
@@ -289,15 +281,8 @@ void PaintCandidates(HWND hwnd, std::wstring &text)
pBrush->SetColor(D2D1::ColorF(D2D1::ColorF::White, 1.0f));
}
pRenderTarget->DrawText( //
lines[i].c_str(), //
static_cast<UINT32>(lines[i].length()), //
pTextFormat.Get(), //
D2D1::RectF(x, y, 590.0f, y + lineHeight), //
pBrush.Get() //
);
/* Update y coordinate */
pRenderTarget->DrawText(lines[i].c_str(), static_cast<UINT32>(lines[i].length()), pTextFormat.Get(),
D2D1::RectF(x, y, 590.0f, y + lineHeight), pBrush.Get());
y += lineHeight;
}