119 lines
7.0 KiB
C++
119 lines
7.0 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#pragma once
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#include <wrl/implements.h>
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#include "BoxDrawingEffect.h"
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namespace Microsoft::Console::Render
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{
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struct DrawingContext
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{
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DrawingContext(ID2D1RenderTarget* renderTarget,
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ID2D1Brush* foregroundBrush,
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ID2D1Brush* backgroundBrush,
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bool forceGrayscaleAA,
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IDWriteFactory* dwriteFactory,
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const DWRITE_LINE_SPACING spacing,
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const D2D_SIZE_F cellSize,
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const D2D1_DRAW_TEXT_OPTIONS options = D2D1_DRAW_TEXT_OPTIONS_NONE) noexcept
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{
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this->renderTarget = renderTarget;
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this->foregroundBrush = foregroundBrush;
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this->backgroundBrush = backgroundBrush;
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this->forceGrayscaleAA = forceGrayscaleAA;
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this->dwriteFactory = dwriteFactory;
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this->spacing = spacing;
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this->cellSize = cellSize;
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this->options = options;
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}
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ID2D1RenderTarget* renderTarget;
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ID2D1Brush* foregroundBrush;
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ID2D1Brush* backgroundBrush;
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bool forceGrayscaleAA;
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IDWriteFactory* dwriteFactory;
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DWRITE_LINE_SPACING spacing;
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D2D_SIZE_F cellSize;
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D2D1_DRAW_TEXT_OPTIONS options;
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};
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class CustomTextRenderer : public ::Microsoft::WRL::RuntimeClass<::Microsoft::WRL::RuntimeClassFlags<::Microsoft::WRL::ClassicCom | ::Microsoft::WRL::InhibitFtmBase>, IDWriteTextRenderer>
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{
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public:
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// http://www.charlespetzold.com/blog/2014/01/Character-Formatting-Extensions-with-DirectWrite.html
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// https://docs.microsoft.com/en-us/windows/desktop/DirectWrite/how-to-implement-a-custom-text-renderer
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// IDWritePixelSnapping methods
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[[nodiscard]] HRESULT STDMETHODCALLTYPE IsPixelSnappingDisabled(void* clientDrawingContext,
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_Out_ BOOL* isDisabled) noexcept override;
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[[nodiscard]] HRESULT STDMETHODCALLTYPE GetPixelsPerDip(void* clientDrawingContext,
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_Out_ FLOAT* pixelsPerDip) noexcept override;
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[[nodiscard]] HRESULT STDMETHODCALLTYPE GetCurrentTransform(void* clientDrawingContext,
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_Out_ DWRITE_MATRIX* transform) noexcept override;
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// IDWriteTextRenderer methods
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[[nodiscard]] HRESULT STDMETHODCALLTYPE DrawGlyphRun(void* clientDrawingContext,
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FLOAT baselineOriginX,
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FLOAT baselineOriginY,
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DWRITE_MEASURING_MODE measuringMode,
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_In_ const DWRITE_GLYPH_RUN* glyphRun,
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_In_ const DWRITE_GLYPH_RUN_DESCRIPTION* glyphRunDescription,
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IUnknown* clientDrawingEffect) override;
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[[nodiscard]] HRESULT STDMETHODCALLTYPE DrawUnderline(void* clientDrawingContext,
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FLOAT baselineOriginX,
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FLOAT baselineOriginY,
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_In_ const DWRITE_UNDERLINE* underline,
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IUnknown* clientDrawingEffect) noexcept override;
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[[nodiscard]] HRESULT STDMETHODCALLTYPE DrawStrikethrough(void* clientDrawingContext,
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FLOAT baselineOriginX,
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FLOAT baselineOriginY,
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_In_ const DWRITE_STRIKETHROUGH* strikethrough,
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IUnknown* clientDrawingEffect) noexcept override;
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[[nodiscard]] HRESULT STDMETHODCALLTYPE DrawInlineObject(void* clientDrawingContext,
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FLOAT originX,
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FLOAT originY,
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IDWriteInlineObject* inlineObject,
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BOOL isSideways,
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BOOL isRightToLeft,
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IUnknown* clientDrawingEffect) noexcept override;
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private:
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[[nodiscard]] HRESULT _FillRectangle(void* clientDrawingContext,
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IUnknown* clientDrawingEffect,
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float x,
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float y,
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float width,
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float thickness,
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DWRITE_READING_DIRECTION readingDirection,
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DWRITE_FLOW_DIRECTION flowDirection) noexcept;
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[[nodiscard]] HRESULT _DrawBasicGlyphRun(DrawingContext* clientDrawingContext,
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D2D1_POINT_2F baselineOrigin,
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DWRITE_MEASURING_MODE measuringMode,
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_In_ const DWRITE_GLYPH_RUN* glyphRun,
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_In_opt_ const DWRITE_GLYPH_RUN_DESCRIPTION* glyphRunDescription,
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ID2D1Brush* brush,
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_In_opt_ IUnknown* clientDrawingEffect);
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[[nodiscard]] HRESULT _DrawBoxRunManually(DrawingContext* clientDrawingContext,
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D2D1_POINT_2F baselineOrigin,
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DWRITE_MEASURING_MODE measuringMode,
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_In_ const DWRITE_GLYPH_RUN* glyphRun,
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_In_opt_ const DWRITE_GLYPH_RUN_DESCRIPTION* glyphRunDescription,
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_In_ IBoxDrawingEffect* clientDrawingEffect) noexcept;
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[[nodiscard]] HRESULT _DrawGlowGlyphRun(DrawingContext* clientDrawingContext,
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D2D1_POINT_2F baselineOrigin,
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DWRITE_MEASURING_MODE measuringMode,
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_In_ const DWRITE_GLYPH_RUN* glyphRun,
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_In_opt_ const DWRITE_GLYPH_RUN_DESCRIPTION* glyphRunDescription) noexcept;
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};
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}
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