alexpete
86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/RTTI/RTTI.h>
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#include <AzCore/Math/Vector2.h>
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#include <AzCore/Math/Color.h>
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#include <AzCore/std/string/string_view.h>
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#include <AzFramework/Viewport/ViewportId.h>
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namespace AzFramework
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{
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using FontId = uint32_t;
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static constexpr FontId InvalidFontId = 0xffffffffu;
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enum class TextHorizontalAlignment : uint16_t
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{
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Left,
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Right,
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Center
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};
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enum class TextVerticalAlignment : uint16_t
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{
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Top,
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Bottom,
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Center,
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};
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//! Standard parameters for drawing text on screen
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struct TextDrawParameters
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{
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ViewportId m_drawViewportId = InvalidViewportId; //! Viewport to draw into
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AZ::Vector3 m_position; //! world space position for 3d draws, screen space x,y,depth for 2d.
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AZ::Color m_color = AZ::Colors::White; //! Color to draw the text
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AZ::Vector2 m_scale = AZ::Vector2(1.0f); //! font scale
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TextHorizontalAlignment m_hAlign = TextHorizontalAlignment::Left; //! Horizontal text alignment
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TextVerticalAlignment m_vAlign = TextVerticalAlignment::Top; //! Vertical text alignment
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bool m_monospace = false; //! disable character proportional spacing
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bool m_depthTest = false; //! Test character against the depth buffer
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bool m_virtual800x600ScreenSize = true; //! Text placement and size are scaled relative to a virtual 800x600 resolution
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bool m_scaleWithWindow = false; //! Font gets bigger as the window gets bigger
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bool m_multiline = true; //! text respects ascii newline characters
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};
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class FontDrawInterface
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{
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public:
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AZ_RTTI(FontDrawInterface, "{545A7C14-CB3E-4A5B-B435-13EA606708EE}");
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FontDrawInterface() = default;
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virtual ~FontDrawInterface() = default;
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virtual void DrawScreenAlignedText2d(
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const TextDrawParameters& params,
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const AZStd::string_view& string) = 0;
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virtual void DrawScreenAlignedText3d(
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const TextDrawParameters& params,
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const AZStd::string_view& string) = 0;
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};
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class FontQueryInterface
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{
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public:
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AZ_RTTI(FontQueryInterface, "{4BDD8520-EBC1-4680-B25E-421BDF31750F}");
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FontQueryInterface() = default;
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virtual ~FontQueryInterface() = default;
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FontId GetFontId(const AZStd::string_view& fontName) const {return FontId(AZ::Crc32(fontName));}
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virtual FontDrawInterface* GetFontDrawInterface(FontId) const = 0;
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virtual FontDrawInterface* GetDefaultFontDrawInterface() const = 0;
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};
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} // namespace AzFramework
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