+++ /dev/null
-/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-/**
- * @file simple-text-renderer-example.cpp
- * @brief Basic usage of Text Renderer utility.
- */
-
-// EXTERNAL INCLUDES
-#include <dali-toolkit/dali-toolkit.h>
-#include <dali-toolkit/devel-api/text/text-utils-devel.h>
-#include <dali/devel-api/adaptor-framework/image-loading.h>
-#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
-
-// INTERNAL INCLUDES
-#include "generated/simple-text-renderer-frag.h"
-#include "generated/simple-text-renderer-vert.h"
-
-using namespace std;
-using namespace Dali;
-using namespace Dali::Toolkit;
-
-namespace
-{
-const std::string IMAGE1 = DEMO_IMAGE_DIR "application-icon-1.png";
-const std::string IMAGE2 = DEMO_IMAGE_DIR "application-icon-6.png";
-
-Renderer CreateRenderer()
-{
- // Create the geometry.
- struct Vertex
- {
- Dali::Vector2 position;
- Dali::Vector2 texCoord;
- };
-
- static const Vertex vertices[] = {{Dali::Vector2(-0.5f, -0.5f), Dali::Vector2(0.0f, 0.0f)},
- {Dali::Vector2(0.5f, -0.5f), Dali::Vector2(1.0f, 0.0f)},
- {Dali::Vector2(-0.5f, 0.5f), Dali::Vector2(0.0f, 1.0f)},
- {Dali::Vector2(0.5f, 0.5f), Dali::Vector2(1.0f, 1.0f)}};
-
- Property::Map property;
- property.Add("aPosition", Property::VECTOR2).Add("aTexCoord", Property::VECTOR2);
-
- VertexBuffer vertexBuffer = VertexBuffer::New(property);
-
- vertexBuffer.SetData(vertices, sizeof(vertices) / sizeof(Vertex));
-
- Geometry geometry = Geometry::New();
- geometry.AddVertexBuffer(vertexBuffer);
-
- geometry.SetType(Geometry::TRIANGLE_STRIP);
-
- // Create the shader
- Shader shader = Shader::New(SHADER_SIMPLE_TEXT_RENDERER_VERT, SHADER_SIMPLE_TEXT_RENDERER_FRAG);
-
- // Create the renderer
-
- Renderer renderer = Renderer::New(geometry, shader);
-
- return renderer;
-}
-
-TextureSet CreateTextureSet(const Dali::Toolkit::DevelText::RendererParameters& textParameters, const std::vector<std::string>& embeddedItems)
-{
- Dali::Vector<Dali::Toolkit::DevelText::EmbeddedItemInfo> embeddedItemLayout;
-
- Devel::PixelBuffer pixelBuffer = Toolkit::DevelText::Render(textParameters, embeddedItemLayout);
-
- const int dstWidth = static_cast<int>(pixelBuffer.GetWidth());
- const int dstHeight = static_cast<int>(pixelBuffer.GetHeight());
-
- unsigned int index = 0u;
- for(const auto& itemLayout : embeddedItemLayout)
- {
- int width = static_cast<int>(itemLayout.size.width);
- int height = static_cast<int>(itemLayout.size.height);
- int x = static_cast<int>(itemLayout.position.x);
- int y = static_cast<int>(itemLayout.position.y);
-
- Dali::Devel::PixelBuffer itemPixelBuffer = Dali::LoadImageFromFile(embeddedItems[index++]);
- itemPixelBuffer.Resize(width, height);
- itemPixelBuffer.Rotate(itemLayout.angle);
-
- width = static_cast<int>(itemPixelBuffer.GetWidth());
- height = static_cast<int>(itemPixelBuffer.GetHeight());
-
- Dali::Pixel::Format itemPixelFormat = itemPixelBuffer.GetPixelFormat();
-
- // Check if the item is out of the buffer.
-
- if((x + width < 0) ||
- (x > dstWidth) ||
- (y < 0) ||
- (y - height > dstHeight))
- {
- // The embedded item is completely out of the buffer.
- continue;
- }
-
- // Crop if it exceeds the boundaries of the destination buffer.
- int layoutX = 0;
- int layoutY = 0;
- int cropX = 0;
- int cropY = 0;
- int newWidth = width;
- int newHeight = height;
-
- bool crop = false;
-
- if(0 > x)
- {
- newWidth += x;
- cropX = std::abs(x);
- crop = true;
- }
- else
- {
- layoutX = x;
- }
-
- if(cropX + newWidth > dstWidth)
- {
- crop = true;
- newWidth -= ((cropX + newWidth) - dstWidth);
- }
-
- layoutY = y;
- if(0.f > layoutY)
- {
- newHeight += layoutY;
- cropY = std::abs(layoutY);
- crop = true;
- }
-
- if(cropY + newHeight > dstHeight)
- {
- crop = true;
- newHeight -= ((cropY + newHeight) - dstHeight);
- }
-
- uint16_t uiCropX = static_cast<uint16_t>(cropX);
- uint16_t uiCropY = static_cast<uint16_t>(cropY);
- uint16_t uiNewWidth = static_cast<uint16_t>(newWidth);
- uint16_t uiNewHeight = static_cast<uint16_t>(newHeight);
-
- if(crop)
- {
- itemPixelBuffer.Crop(uiCropX, uiCropY, uiNewWidth, uiNewHeight);
- }
-
- // Blend the item pixel buffer with the text's color according its blending mode.
- if(Dali::TextAbstraction::ColorBlendingMode::MULTIPLY == itemLayout.colorBlendingMode)
- {
- Dali::Devel::PixelBuffer buffer = Dali::Devel::PixelBuffer::New(uiNewWidth,
- uiNewHeight,
- itemPixelFormat);
-
- unsigned char* bufferPtr = buffer.GetBuffer();
- const unsigned char* itemBufferPtr = itemPixelBuffer.GetBuffer();
- const unsigned int bytesPerPixel = Dali::Pixel::GetBytesPerPixel(itemPixelFormat);
- const unsigned int size = uiNewWidth * uiNewHeight * bytesPerPixel;
-
- for(unsigned int i = 0u; i < size; i += bytesPerPixel)
- {
- *(bufferPtr + 0u) = static_cast<unsigned char>(static_cast<float>(*(itemBufferPtr + 0u)) * textParameters.textColor.r);
- *(bufferPtr + 1u) = static_cast<unsigned char>(static_cast<float>(*(itemBufferPtr + 1u)) * textParameters.textColor.g);
- *(bufferPtr + 2u) = static_cast<unsigned char>(static_cast<float>(*(itemBufferPtr + 2u)) * textParameters.textColor.b);
- *(bufferPtr + 3u) = static_cast<unsigned char>(static_cast<float>(*(itemBufferPtr + 3u)) * textParameters.textColor.a);
-
- itemBufferPtr += bytesPerPixel;
- bufferPtr += bytesPerPixel;
- }
-
- itemPixelBuffer = buffer;
- }
-
- Dali::Toolkit::DevelText::UpdateBuffer(itemPixelBuffer, pixelBuffer, layoutX, layoutY, true);
- }
-
- PixelData pixelData = Devel::PixelBuffer::Convert(pixelBuffer);
-
- Texture texture = Texture::New(TextureType::TEXTURE_2D,
- pixelData.GetPixelFormat(),
- pixelData.GetWidth(),
- pixelData.GetHeight());
- texture.Upload(pixelData);
-
- TextureSet textureSet = TextureSet::New();
- textureSet.SetTexture(0u, texture);
-
- return textureSet;
-}
-
-} // namespace
-
-/**
- * @brief The main class of the demo.
- */
-class SimpleTextRendererExample : public ConnectionTracker
-{
-public:
- SimpleTextRendererExample(Application& application)
- : mApplication(application)
- {
- // Connect to the Application's Init signal
- mApplication.InitSignal().Connect(this, &SimpleTextRendererExample::Create);
- }
-
- ~SimpleTextRendererExample()
- {
- // Nothing to do here.
- }
-
- /**
- * One-time setup in response to Application InitSignal.
- */
- void Create(Application& application)
- {
- Window window = application.GetWindow();
- window.SetBackgroundColor(Color::WHITE);
- window.SetBackgroundColor(Vector4(0.04f, 0.345f, 0.392f, 1.0f));
-
- window.KeyEventSignal().Connect(this, &SimpleTextRendererExample::OnKeyEvent);
-
- const std::string image1 = "<item 'width'=26 'height'=26 'url'='" + IMAGE1 + "'/>";
- const std::string image2 = "<item 'width'=26 'height'=26/>";
-
- Dali::Toolkit::DevelText::RendererParameters textParameters;
- textParameters.text = "Hello " + image1 + " world " + image2 + " this " + image1 + " is " + image2 + " a " + image1 + " demo " + image2 + " of " + image1 + " circular " + image2 + " text " + image1 + " width " + image2 + " icons.";
- textParameters.horizontalAlignment = "center";
- textParameters.verticalAlignment = "center";
- textParameters.circularAlignment = "center";
- textParameters.fontFamily = "SamsungUI";
- textParameters.fontWeight = "";
- textParameters.fontWidth = "";
- textParameters.fontSlant = "";
- textParameters.layout = "circular";
- textParameters.textColor = Color::BLACK;
- textParameters.fontSize = 25.f;
- textParameters.textWidth = 360u;
- textParameters.textHeight = 360u;
- textParameters.radius = 180u;
- textParameters.beginAngle = 15.f;
- textParameters.incrementAngle = 360.f;
- textParameters.ellipsisEnabled = true;
- textParameters.markupEnabled = true;
-
- std::vector<std::string> embeddedItems = {IMAGE2, IMAGE2, IMAGE2, IMAGE2, IMAGE2};
-
- TextureSet textureSet = CreateTextureSet(textParameters, embeddedItems);
-
- Renderer renderer = CreateRenderer();
- renderer.SetTextures(textureSet);
-
- Actor actor = Actor::New();
- actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
- actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
- actor.SetProperty(Actor::Property::POSITION, Vector2(0.f, 0.f));
- actor.SetProperty(Actor::Property::SIZE, Vector2(360.f, 360.f));
- actor.SetProperty(Actor::Property::COLOR, Color::WHITE);
-
- actor.AddRenderer(renderer);
-
- window.Add(actor);
- }
-
- /**
- * Main key event handler
- */
- void OnKeyEvent(const KeyEvent& event)
- {
- if(event.GetState() == KeyEvent::DOWN)
- {
- if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
- {
- mApplication.Quit();
- }
- }
- }
-
-private:
- Application& mApplication;
-};
-
-/** Entry point for Linux & Tizen applications */
-int DALI_EXPORT_API main(int argc, char** argv)
-{
- Application application = Application::New(&argc, &argv);
-
- SimpleTextRendererExample test(application);
-
- application.MainLoop();
-
- return 0;
-}
projects / platform / core / uifw / dali-demo.git / commitdiff