151 lines
3.6 KiB
C++
151 lines
3.6 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2021, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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#include "ui/controls/image.h"
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#include "common/event.h"
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#include "common/restext.h"
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#include "graphics/core/renderers.h"
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#include "graphics/core/transparency.h"
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#include "graphics/engine/engine.h"
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namespace Ui
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{
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// Object's constructor.
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CImage::CImage() : CControl()
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{
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}
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// Object's destructor.
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CImage::~CImage()
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{
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if (!m_filename.empty())
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{
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m_engine->DeleteTexture(m_filename);
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}
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}
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// Creates a new button.
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bool CImage::Create(const glm::vec2& pos, const glm::vec2& dim, int icon, EventType eventType)
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{
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if ( eventType == EVENT_NULL ) eventType = GetUniqueEventType();
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CControl::Create(pos, dim, icon, eventType);
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if ( icon == -1 )
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{
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std::string name = GetResourceName(eventType);
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SetName(name);
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}
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return true;
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}
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// Specifies the name of the image display.
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void CImage::SetFilenameImage(const std::string& name)
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{
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if (!m_filename.empty())
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{
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m_engine->DeleteTexture(m_filename);
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}
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m_filename = name;
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}
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// Management of an event.
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bool CImage::EventProcess(const Event &event)
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{
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return true;
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}
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// Draws button.
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void CImage::Draw()
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{
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glm::vec2 uv1,uv2, corner, pos, dim;
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float dp;
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auto renderer = m_engine->GetUIRenderer();
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if ( (m_state & STATE_VISIBLE) == 0 ) return;
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if ( m_state & STATE_SHADOW )
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{
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DrawShadow(m_pos, m_dim);
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}
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dp = 0.5f/256.0f;
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if ( m_icon == 0 ) // hollow frame?
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{
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auto texture = m_engine->LoadTexture("textures/interface/button2.png");
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renderer->SetTexture(texture);
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renderer->SetTransparency(Gfx::TransparencyMode::NONE);
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uv1.x = 160.0f / 256.0f;
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uv1.y = 192.0f / 256.0f; // u-v texture
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uv2.x = 192.0f / 256.0f;
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uv2.y = 224.0f / 256.0f;
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uv1.x += dp;
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uv1.y += dp;
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uv2.x -= dp;
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uv2.y -= dp;
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corner.x = 10.0f / 640.0f;
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corner.y = 10.0f / 480.0f;
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DrawIcon(m_pos, m_dim, uv1, uv2, corner, 8.0f/256.0f);
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}
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if ( m_filename[0] != 0 ) // displays an image?
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{
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Gfx::TextureCreateParams params;
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params.format = Gfx::TexImgFormat::AUTO;
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params.filter = Gfx::TEX_FILTER_BILINEAR;
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params.padToNearestPowerOfTwo = true;
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Gfx::Texture tex = m_engine->LoadTexture(m_filename, params);
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renderer->SetTexture(tex);
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renderer->SetTransparency(Gfx::TransparencyMode::NONE);
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pos = m_pos;
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dim = m_dim;
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pos.x += 5.0f / 640.0f;
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pos.y += 5.0f / 480.0f;
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dim.x -= 10.0f / 640.0f;
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dim.y -= 10.0f / 480.0f;
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uv1.x = 0.0f;
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uv1.y = 0.0f;
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uv2.x = static_cast<float>(tex.originalSize.x) / static_cast<float>(tex.size.x);
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uv2.y = static_cast<float>(tex.originalSize.y) / static_cast<float>(tex.size.y);
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DrawIcon(pos, dim, uv1, uv2);
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}
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}
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}
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