95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
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#include "NativeRendererSupport.h"
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#include <algorithm>
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#include <cmath>
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namespace XCEngine::UI::Editor::Host {
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using namespace NativeRendererSupport;
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void NativeRenderer::RenderTextCommand(
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ID2D1RenderTarget& renderTarget,
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ID2D1SolidColorBrush& solidBrush,
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const ::XCEngine::UI::UIDrawCommand& command) {
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if (command.text.empty()) {
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return;
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}
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const float dpiScale = ClampDpiScale(m_dpiScale);
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const float fontSize = ResolveFontSize(command.fontSize);
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const float scaledFontSize = fontSize * dpiScale;
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IDWriteTextFormat* textFormat = GetTextFormat(scaledFontSize);
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if (textFormat == nullptr) {
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return;
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}
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const std::wstring text = Utf8ToWide(command.text);
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if (text.empty()) {
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return;
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}
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const D2D1_SIZE_F targetSize = renderTarget.GetSize();
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const float originX = SnapToPixel(command.position.x, dpiScale);
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const float originY = SnapToPixel(command.position.y, dpiScale);
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const float lineHeight = std::ceil(scaledFontSize * 1.6f);
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const D2D1_RECT_F layoutRect = D2D1::RectF(
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originX,
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originY,
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targetSize.width,
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originY + lineHeight);
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renderTarget.DrawTextW(
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text.c_str(),
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static_cast<UINT32>(text.size()),
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textFormat,
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layoutRect,
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&solidBrush,
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D2D1_DRAW_TEXT_OPTIONS_CLIP,
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DWRITE_MEASURING_MODE_GDI_NATURAL);
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}
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void NativeRenderer::RenderImageCommand(
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ID2D1RenderTarget& renderTarget,
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ID2D1SolidColorBrush& solidBrush,
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const ::XCEngine::UI::UIDrawCommand& command) {
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if (!command.texture.IsValid()) {
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return;
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}
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const float dpiScale = ClampDpiScale(m_dpiScale);
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Microsoft::WRL::ComPtr<ID2D1Bitmap> bitmap;
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if (command.texture.kind == ::XCEngine::UI::UITextureHandleKind::ShaderResourceView) {
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if (!ResolveInteropBitmap(command.texture, bitmap) || !bitmap) {
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const D2D1_RECT_F rect = ToD2DRect(command.rect, dpiScale);
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renderTarget.DrawRectangle(rect, &solidBrush, 1.0f);
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return;
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}
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} else {
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auto* texture = reinterpret_cast<NativeTextureResource*>(command.texture.nativeHandle);
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if (texture == nullptr || m_liveTextures.find(texture) == m_liveTextures.end()) {
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const D2D1_RECT_F rect = ToD2DRect(command.rect, dpiScale);
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renderTarget.DrawRectangle(rect, &solidBrush, 1.0f);
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return;
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}
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if (!ResolveTextureBitmap(renderTarget, *texture, bitmap) || !bitmap) {
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return;
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}
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}
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const D2D1_RECT_F rect = ToD2DRect(command.rect, dpiScale);
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const float sourceWidth = static_cast<float>(command.texture.width);
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const float sourceHeight = static_cast<float>(command.texture.height);
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const float sourceLeft = sourceWidth * std::clamp(command.uvMin.x, 0.0f, 1.0f);
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const float sourceTop = sourceHeight * std::clamp(command.uvMin.y, 0.0f, 1.0f);
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const float sourceRight = sourceWidth * std::clamp(command.uvMax.x, 0.0f, 1.0f);
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const float sourceBottom = sourceHeight * std::clamp(command.uvMax.y, 0.0f, 1.0f);
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renderTarget.DrawBitmap(
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bitmap.Get(),
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rect,
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std::clamp(command.color.a, 0.0f, 1.0f),
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D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,
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D2D1::RectF(sourceLeft, sourceTop, sourceRight, sourceBottom));
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}
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} // namespace XCEngine::UI::Editor::Host
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