--- /dev/null
+/*
+ * Copyright (c) 2024 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.
+ *
+ */
+
+#include <dali-toolkit/dali-toolkit.h>
+#include <dali-toolkit/devel-api/controls/table-view/table-view.h>
+#include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
+#include <dali-toolkit/devel-api/visuals/animated-image-visual-actions-devel.h>
+#include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
+#include <dali-toolkit/devel-api/visuals/visual-actions-devel.h>
+#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
+#include <dali/dali.h>
+#include <dali/devel-api/adaptor-framework/image-loading.h>
+#include <dali/devel-api/adaptor-framework/pixel-buffer.h>
+#include <dali/devel-api/adaptor-framework/window-devel.h>
+#include <dali/integration-api/debug.h>
+#include <string>
+
+#include "shared/view.h"
+
+using namespace Dali;
+using namespace Dali::Toolkit;
+
+namespace
+{
+const char* BACKGROUND_IMAGE(DEMO_IMAGE_DIR "background-gradient.jpg");
+const char* TOOLBAR_IMAGE(DEMO_IMAGE_DIR "top-bar.png");
+const char* APPLICATION_TITLE("Image view w. External Textures");
+
+const char* IMAGE_PATH[] = {
+ DEMO_IMAGE_DIR "gallery-small-23.jpg",
+ DEMO_IMAGE_DIR "gallery-small-14.jpg",
+ DEMO_IMAGE_DIR "gallery-small-17.jpg",
+ DEMO_IMAGE_DIR "wood.png"};
+const unsigned int NUMBER_OF_RESOURCES = sizeof(IMAGE_PATH) / sizeof(char*);
+static_assert(NUMBER_OF_RESOURCES > 1);
+
+const char* ANIMATED_IMAGE_PATH = DEMO_IMAGE_DIR "dog-anim.webp";
+
+const char* MASK_IMAGE_PATH[] = {
+ DEMO_IMAGE_DIR "mask.png",
+ DEMO_IMAGE_DIR "application-icon-2.png",
+ DEMO_IMAGE_DIR "cluster-image-shadow.png",
+ "invalid.png"};
+const unsigned int NUMBER_OF_MASK_RESOURCES = sizeof(MASK_IMAGE_PATH) / sizeof(char*);
+
+std::string EXAMPLE_INSTRUCTIONS =
+ "Instructions: Change button cycles through different kinds of image url, and mask image url.";
+
+enum UrlType
+{
+ REGULAR_IMAGE,
+ EXTERNAL_TEXTURE,
+ ENCODED_IMAGE_BUFFER,
+ NUMBER_OF_URL_TYPE,
+};
+
+enum ImageVisualType
+{
+ NORMAL,
+ ANIMATED_IMAGE,
+ IMAGE_ARRAY,
+ NUMBER_OF_VISUAL_TYPE,
+};
+
+enum CellPlacement
+{
+ TOP_BUTTON,
+ MID_BUTTON,
+ LOWER_BUTTON,
+ IMAGE,
+ NUMBER_OF_ROWS
+};
+
+const char* BUTTON_LABEL_SUFFIX[NUMBER_OF_URL_TYPE] = {
+ "Normal",
+ "External",
+ "Encoded",
+};
+
+void ChangeUrlTypeToNextUrlType(UrlType& urlType)
+{
+ switch(urlType)
+ {
+ case UrlType::REGULAR_IMAGE:
+ {
+ urlType = UrlType::EXTERNAL_TEXTURE;
+ break;
+ }
+ case UrlType::EXTERNAL_TEXTURE:
+ {
+ urlType = UrlType::ENCODED_IMAGE_BUFFER;
+ break;
+ }
+ case UrlType::ENCODED_IMAGE_BUFFER:
+ default:
+ {
+ urlType = UrlType::REGULAR_IMAGE;
+ break;
+ }
+ }
+}
+
+ImageVisualType GetVisualTypeFromButton(Toolkit::Button button)
+{
+ std::string buttonName = button.GetProperty<std::string>(Dali::Actor::Property::NAME);
+ unsigned int index = 0;
+
+ if(buttonName != "")
+ {
+ index = std::stoul(buttonName);
+ }
+
+ return static_cast<ImageVisualType>(index);
+}
+
+EncodedImageBuffer ConvertFileToEncodedImageBuffer(const char* url)
+{
+ EncodedImageBuffer buffer;
+ FILE* fp;
+ fp = fopen(url, "rb");
+ if(fp != NULL)
+ {
+ fseek(fp, 0, SEEK_END);
+ size_t size = ftell(fp);
+ Dali::Vector<uint8_t> data;
+ data.Resize(size);
+ fseek(fp, 0, SEEK_SET);
+ size_t realSize = fread(data.Begin(), sizeof(uint8_t), size, fp);
+ fclose(fp);
+ data.Resize(realSize);
+ buffer = EncodedImageBuffer::New(data);
+ }
+ return buffer;
+}
+
+std::vector<ImageUrl> gImageUrlHolder;
+
+std::string ConvertFileToImageUrlString(const char* url, UrlType type)
+{
+ ImageUrl imageUrl;
+
+ bool converted = false;
+
+ switch(type)
+ {
+ case REGULAR_IMAGE:
+ default:
+ {
+ return std::string(url);
+ }
+ case EXTERNAL_TEXTURE:
+ {
+ Devel::PixelBuffer pixelBuffer = LoadImageFromFile(url);
+ if(pixelBuffer)
+ {
+ PixelData pixelData = Devel::PixelBuffer::Convert(pixelBuffer);
+
+ imageUrl = Dali::Toolkit::Image::GenerateUrl(pixelData);
+ }
+ converted = true;
+ break;
+ }
+ case ENCODED_IMAGE_BUFFER:
+ {
+ EncodedImageBuffer rawBuffer = ConvertFileToEncodedImageBuffer(url);
+
+ if(rawBuffer)
+ {
+ imageUrl = Dali::Toolkit::Image::GenerateUrl(rawBuffer);
+ converted = true;
+ }
+ break;
+ }
+ }
+
+ if(converted && imageUrl)
+ {
+ // Keep reference count for image url.
+ gImageUrlHolder.push_back(imageUrl);
+ return imageUrl.GetUrl();
+ }
+ else
+ {
+ switch(type)
+ {
+ default:
+ {
+ return "";
+ }
+ case EXTERNAL_TEXTURE:
+ {
+ return "dali://invalid";
+ }
+ case ENCODED_IMAGE_BUFFER:
+ {
+ return "enbuf://invalid";
+ }
+ }
+ }
+}
+
+} // namespace
+
+class ImageViewController : public ConnectionTracker
+{
+public:
+ ImageViewController(Application& application)
+ : mApplication(application),
+ mCurrentPositionToggle(0, 0),
+ mCurrentPositionImage(0, 0)
+ {
+ // Connect to the Application's Init signal
+ mApplication.InitSignal().Connect(this, &ImageViewController::Create);
+ }
+
+ ~ImageViewController()
+ {
+ // Nothing to do here
+ }
+
+ void Create(Application& application)
+ {
+ // The Init signal is received once (only) during the Application lifetime
+
+ // Creates a default view with a default tool bar.
+ // The view is added to the window.
+ mContentLayer = DemoHelper::CreateView(application,
+ mView,
+ mToolBar,
+ BACKGROUND_IMAGE,
+ TOOLBAR_IMAGE,
+ APPLICATION_TITLE);
+
+ // Create a table view to show a pair of buttons above each image.
+ mTable = Toolkit::TableView::New(CellPlacement::NUMBER_OF_ROWS, NUMBER_OF_VISUAL_TYPE);
+ mTable.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ mTable.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ mTable.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
+ Vector3 offset(0.9f, 0.70f, 0.0f);
+ mTable.SetProperty(Actor::Property::SIZE_MODE_FACTOR, offset);
+ mTable.SetFitHeight(CellPlacement::TOP_BUTTON);
+ mTable.SetFitHeight(CellPlacement::MID_BUTTON);
+ mTable.SetFitHeight(CellPlacement::LOWER_BUTTON);
+ mContentLayer.Add(mTable);
+
+ Toolkit::TextLabel instructions = Toolkit::TextLabel::New(EXAMPLE_INSTRUCTIONS);
+ instructions.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+ instructions.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
+ instructions.SetProperty(Actor::Property::POSITION_Y, -50.0f);
+ instructions.SetProperty(Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL, true);
+ instructions.SetProperty(Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT, 10);
+ mContentLayer.Add(instructions);
+
+ for(unsigned int x = 0; x < NUMBER_OF_VISUAL_TYPE; x++)
+ {
+ std::string s = std::to_string(x);
+
+ // Set changeable counter and toggle for each ImageView
+ mImageViewMaskUrlImageIndex[x] = 0;
+ mImageViewUrlType[x] = UrlType::REGULAR_IMAGE;
+ mImageViewMaskUrlType[x] = UrlType::REGULAR_IMAGE;
+
+ Toolkit::PushButton button = Toolkit::PushButton::New();
+ button.SetProperty(Toolkit::Button::Property::LABEL, "Mask image change");
+ button.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
+ button.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
+ button.ClickedSignal().Connect(this, &ImageViewController::ChangeMaskImageUrl);
+ button.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+ button.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
+ button.SetProperty(Dali::Actor::Property::NAME, s);
+ mTable.AddChild(button, Toolkit::TableView::CellPosition(CellPlacement::TOP_BUTTON, x));
+
+ Toolkit::PushButton button2 = Toolkit::PushButton::New();
+ button2.SetProperty(Toolkit::Button::Property::LABEL, std::string("Image-") + std::string(BUTTON_LABEL_SUFFIX[UrlType::REGULAR_IMAGE]));
+ button2.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
+ button2.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
+ button2.ClickedSignal().Connect(this, &ImageViewController::ChangeImageUrlType);
+ button2.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+ button2.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
+ button2.SetProperty(Dali::Actor::Property::NAME, s);
+ mTable.AddChild(button2, Toolkit::TableView::CellPosition(CellPlacement::MID_BUTTON, x));
+
+ Toolkit::PushButton button3 = Toolkit::PushButton::New();
+ button3.SetProperty(Toolkit::Button::Property::LABEL, std::string("Mask-") + std::string(BUTTON_LABEL_SUFFIX[UrlType::REGULAR_IMAGE]));
+ button3.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
+ button3.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
+ button3.ClickedSignal().Connect(this, &ImageViewController::ChangeMaskImageUrlType);
+ button3.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+ button3.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
+ button3.SetProperty(Dali::Actor::Property::NAME, s);
+ mTable.AddChild(button3, Toolkit::TableView::CellPosition(CellPlacement::LOWER_BUTTON, x));
+
+ mImageViews[x] = Toolkit::ImageView::New();
+ mImageViews[x].SetProperty(Toolkit::ImageView::Property::IMAGE, CreateImageVisualPropertyMap(static_cast<ImageVisualType>(x)));
+ mImageViews[x].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ mImageViews[x].SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ mImageViews[x].SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
+ mTable.AddChild(mImageViews[x], Toolkit::TableView::CellPosition(CellPlacement::IMAGE, x));
+ }
+
+ application.GetWindow().KeyEventSignal().Connect(this, &ImageViewController::OnKeyEvent);
+ }
+
+private:
+ Property::Map CreateImageVisualPropertyMap(ImageVisualType visualType)
+ {
+ Property::Map imagePropertyMap;
+ uint32_t buttonIndex = static_cast<uint32_t>(visualType);
+
+ switch(visualType)
+ {
+ case ImageVisualType::NORMAL:
+ default:
+ {
+ imagePropertyMap.Insert(Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE);
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::URL, ConvertFileToImageUrlString(IMAGE_PATH[0], mImageViewUrlType[buttonIndex]));
+ break;
+ }
+ case ImageVisualType::ANIMATED_IMAGE:
+ {
+ imagePropertyMap.Insert(Toolkit::Visual::Property::TYPE, Toolkit::Visual::ANIMATED_IMAGE);
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::URL, ConvertFileToImageUrlString(ANIMATED_IMAGE_PATH, mImageViewUrlType[buttonIndex]));
+ imagePropertyMap.Insert(Toolkit::DevelImageVisual::Property::LOOP_COUNT, 3);
+ imagePropertyMap.Insert(Toolkit::DevelImageVisual::Property::STOP_BEHAVIOR, Toolkit::DevelImageVisual::StopBehavior::FIRST_FRAME);
+ break;
+ }
+ case ImageVisualType::IMAGE_ARRAY:
+ {
+ imagePropertyMap.Insert(Toolkit::Visual::Property::TYPE, Toolkit::Visual::ANIMATED_IMAGE);
+ Property::Array array;
+ for(uint32_t i = 0; i < NUMBER_OF_RESOURCES; ++i)
+ {
+ array.PushBack(ConvertFileToImageUrlString(IMAGE_PATH[i], mImageViewUrlType[buttonIndex]));
+ }
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::URL, array);
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::FRAME_DELAY, 300.0f);
+ imagePropertyMap.Insert(Toolkit::DevelImageVisual::Property::LOOP_COUNT, 3);
+ imagePropertyMap.Insert(Toolkit::DevelImageVisual::Property::STOP_BEHAVIOR, Toolkit::DevelImageVisual::StopBehavior::FIRST_FRAME);
+ break;
+ }
+ }
+
+ if(mImageViewMaskUrlImageIndex[buttonIndex] < NUMBER_OF_MASK_RESOURCES)
+ {
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::ALPHA_MASK_URL, ConvertFileToImageUrlString(MASK_IMAGE_PATH[mImageViewMaskUrlImageIndex[buttonIndex]], mImageViewMaskUrlType[buttonIndex]));
+ imagePropertyMap.Insert(Toolkit::ImageVisual::Property::CROP_TO_MASK, false);
+ }
+ return imagePropertyMap;
+ }
+
+ bool ChangeMaskImageUrl(Toolkit::Button button)
+ {
+ ImageVisualType visualType = GetVisualTypeFromButton(button);
+ uint32_t buttonIndex = static_cast<uint32_t>(visualType);
+
+ ++mImageViewMaskUrlImageIndex[buttonIndex];
+ if(mImageViewMaskUrlImageIndex[buttonIndex] >= NUMBER_OF_MASK_RESOURCES + 1)
+ {
+ mImageViewMaskUrlImageIndex[buttonIndex] = 0;
+ }
+
+ DALI_LOG_RELEASE_INFO("Change mask image url for [%d]'s image, mask url : %s\n", buttonIndex, mImageViewMaskUrlImageIndex[buttonIndex] < NUMBER_OF_MASK_RESOURCES ? MASK_IMAGE_PATH[mImageViewMaskUrlImageIndex[buttonIndex]] : "(none)");
+
+ Toolkit::ImageView imageView = mImageViews[buttonIndex];
+ imageView.SetProperty(Toolkit::ImageView::Property::IMAGE, CreateImageVisualPropertyMap(visualType));
+
+ gImageUrlHolder.clear();
+
+ return true;
+ }
+
+ bool ChangeImageUrlType(Toolkit::Button button)
+ {
+ ImageVisualType visualType = GetVisualTypeFromButton(button);
+ uint32_t buttonIndex = static_cast<uint32_t>(visualType);
+
+ ChangeUrlTypeToNextUrlType(mImageViewUrlType[buttonIndex]);
+
+ button.SetProperty(Toolkit::Button::Property::LABEL, std::string("Image-") + std::string(BUTTON_LABEL_SUFFIX[mImageViewUrlType[buttonIndex]]));
+
+ DALI_LOG_RELEASE_INFO("Change image url type for [%d]'s image, url type : %s\n", buttonIndex, BUTTON_LABEL_SUFFIX[mImageViewUrlType[buttonIndex]]);
+
+ Toolkit::ImageView imageView = mImageViews[buttonIndex];
+ imageView.SetProperty(Toolkit::ImageView::Property::IMAGE, CreateImageVisualPropertyMap(visualType));
+
+ gImageUrlHolder.clear();
+
+ return true;
+ }
+
+ bool ChangeMaskImageUrlType(Toolkit::Button button)
+ {
+ ImageVisualType visualType = GetVisualTypeFromButton(button);
+ uint32_t buttonIndex = static_cast<uint32_t>(visualType);
+
+ ChangeUrlTypeToNextUrlType(mImageViewMaskUrlType[buttonIndex]);
+
+ button.SetProperty(Toolkit::Button::Property::LABEL, std::string("Mask-") + std::string(BUTTON_LABEL_SUFFIX[mImageViewMaskUrlType[buttonIndex]]));
+
+ DALI_LOG_RELEASE_INFO("Change mask image url type for [%d]'s image, mask url type : %s\n", buttonIndex, BUTTON_LABEL_SUFFIX[mImageViewMaskUrlType[buttonIndex]]);
+
+ Toolkit::ImageView imageView = mImageViews[buttonIndex];
+ imageView.SetProperty(Toolkit::ImageView::Property::IMAGE, CreateImageVisualPropertyMap(visualType));
+
+ gImageUrlHolder.clear();
+
+ return true;
+ }
+
+ /**
+ * 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;
+
+ Toolkit::Control mView; ///< The View instance.
+ Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
+ Layer mContentLayer; ///< Content layer
+
+ Toolkit::TableView mTable;
+ Toolkit::ImageView mImageViews[NUMBER_OF_VISUAL_TYPE];
+
+ uint32_t mImageViewMaskUrlImageIndex[NUMBER_OF_VISUAL_TYPE];
+ UrlType mImageViewUrlType[NUMBER_OF_VISUAL_TYPE];
+ UrlType mImageViewMaskUrlType[NUMBER_OF_VISUAL_TYPE];
+
+ Toolkit::TableView::CellPosition mCurrentPositionToggle;
+ Toolkit::TableView::CellPosition mCurrentPositionImage;
+};
+
+int DALI_EXPORT_API main(int argc, char** argv)
+{
+ Application application = Application::New(&argc, &argv, DEMO_THEME_PATH);
+ ImageViewController test(application);
+ application.MainLoop();
+ return 0;
+}
projects / platform / core / uifw / dali-demo.git / commitdiff
