Peter M. Groen / dali-demo

Commit 205f1338ab86cef96b9dd2cd4dd9dff7b8cd92f8

Authored by Eunki, Hong
1 parent bab77709

Add Sample with Encoded Image Buffer 

Change-Id: I6addda2bdc0628f53ce113ff148e9ade7f75b63d
Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>
Inline Side-by-side
Showing 6 changed files with 251 additions and 0 deletions
examples-reel/dali-examples-reel.cpp
  View file @205f133
... ... @@ -66,6 +66,7 @@ int DALI_EXPORT_API main(int argc, char** argv)
66 66 demo.AddExample(Example("image-scaling-irregular-grid.example", DALI_DEMO_STR_TITLE_IMAGE_SCALING));
67 67 demo.AddExample(Example("image-view.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW));
68 68 demo.AddExample(Example("image-view-alpha-blending.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING));
  69 + demo.AddExample(Example("image-view-encoded-image-buffer.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER));
69 70 demo.AddExample(Example("image-view-pixel-area.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA));
70 71 demo.AddExample(Example("image-view-svg.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW_SVG));
71 72 demo.AddExample(Example("image-view-url.example", DALI_DEMO_STR_TITLE_IMAGE_VIEW_URL));
... ...
examples/image-view-encoded-image-buffer/image-view-encoded-image-buffer-example.cpp 0 → 100644
  View file @205f133
  1 +/*
  2 + * Copyright (c) 2021 Samsung Electronics Co., Ltd.
  3 + *
  4 + * Licensed under the Apache License, Version 2.0 (the "License");
  5 + * you may not use this file except in compliance with the License.
  6 + * You may obtain a copy of the License at
  7 + *
  8 + * http://www.apache.org/licenses/LICENSE-2.0
  9 + *
  10 + * Unless required by applicable law or agreed to in writing, software
  11 + * distributed under the License is distributed on an "AS IS" BASIS,
  12 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 + * See the License for the specific language governing permissions and
  14 + * limitations under the License.
  15 + *
  16 + */
  17 +
  18 +#include <dali-toolkit/dali-toolkit.h>
  19 +#include <dali-toolkit/public-api/image-loader/image.h>
  20 +#include <dali/public-api/adaptor-framework/encoded-image-buffer.h>
  21 +#include <dali-toolkit/public-api/image-loader/image-url.h>
  22 +#include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
  23 +#include <dali/dali.h>
  24 +#include <string>
  25 +#include "shared/view.h"
  26 +
  27 +using namespace Dali;
  28 +using namespace Dali::Toolkit;
  29 +
  30 +namespace
  31 +{
  32 +const char* BACKGROUND_IMAGE(DEMO_IMAGE_DIR "background-gradient.jpg");
  33 +const char* TOOLBAR_IMAGE(DEMO_IMAGE_DIR "top-bar.png");
  34 +const char* APPLICATION_TITLE("Image view with encoded image buffer");
  35 +
  36 +const char* IMAGE_PATH[] = {
  37 + DEMO_IMAGE_DIR "gallery-small-23.jpg",
  38 + DEMO_IMAGE_DIR "woodEffect.jpg",
  39 + DEMO_IMAGE_DIR "wood.png", // 32bits image
  40 +};
  41 +
  42 +const unsigned int NUMBER_OF_RESOURCES = sizeof(IMAGE_PATH) / sizeof(char*);
  43 +
  44 +const unsigned int NUMBER_OF_IMAGES_ROW = 3;
  45 +const unsigned int NUMBER_OF_IMAGES_COLUMN = 2;
  46 +const unsigned int NUMBER_OF_IMAGES = NUMBER_OF_IMAGES_ROW * NUMBER_OF_IMAGES_COLUMN;
  47 +
  48 +constexpr Vector2 IMAGE_VIEW_SIZE(200.0f, 200.0f);
  49 +
  50 +const unsigned int TIMER_INTERVAL = 1000; // ms
  51 +
  52 +EncodedImageBuffer ConvertFileToEncodedImageBuffer(const char* url)
  53 +{
  54 + EncodedImageBuffer buffer;
  55 + FILE *fp;
  56 + fp = fopen(url, "rb");
  57 + if(fp != NULL)
  58 + {
  59 + fseek(fp, 0, SEEK_END);
  60 + size_t size = ftell(fp);
  61 + Dali::Vector<uint8_t> data;
  62 + data.Resize(size);
  63 + fseek(fp, 0, SEEK_SET);
  64 + size_t realSize = fread(data.Begin(), size, sizeof(uint8_t), fp);
  65 + fclose(fp);
  66 + data.Resize(realSize);
  67 + buffer = EncodedImageBuffer::New(data);
  68 + }
  69 + return buffer;
  70 +}
  71 +
  72 +} // namespace
  73 +
  74 +class ImageViewEncodedImageBufferApp : public ConnectionTracker
  75 +{
  76 +public:
  77 + ImageViewEncodedImageBufferApp(Application& application)
  78 + : mApplication(application)
  79 + {
  80 + // Connect to the Application's Init signal
  81 + mApplication.InitSignal().Connect(this, &ImageViewEncodedImageBufferApp::Create);
  82 + }
  83 +
  84 + ~ImageViewEncodedImageBufferApp()
  85 + {
  86 + // Nothing to do here
  87 + }
  88 +
  89 + void Create(Application& application)
  90 + {
  91 + // The Init signal is received once (only) during the Application lifetime
  92 +
  93 + ImageUrl backgroundImageUrl = Image::GenerateUrl(ConvertFileToEncodedImageBuffer(BACKGROUND_IMAGE));
  94 + ImageUrl toolbarImageUrl = Image::GenerateUrl(ConvertFileToEncodedImageBuffer(TOOLBAR_IMAGE));
  95 +
  96 + // Creates a default view with a default tool bar.
  97 + // The view is added to the window.
  98 + mContentLayer = DemoHelper::CreateView(application,
  99 + mView,
  100 + mToolBar,
  101 + backgroundImageUrl.GetUrl(),
  102 + toolbarImageUrl.GetUrl(),
  103 + APPLICATION_TITLE);
  104 +
  105 + // Initialize
  106 + mState = 0;
  107 + mImageIndex = 0;
  108 + UpdateImageUrl();
  109 + UpdateImageViews();
  110 +
  111 + // Create automatic unparent and create ticker.
  112 + mTimer = Timer::New(TIMER_INTERVAL);
  113 + mTimer.TickSignal().Connect(this, &ImageViewEncodedImageBufferApp::OnTick);
  114 + mTimer.Start();
  115 +
  116 + application.GetWindow().GetRootLayer().TouchedSignal().Connect(this, &ImageViewEncodedImageBufferApp::OnTouch);
  117 +
  118 + application.GetWindow().KeyEventSignal().Connect(this, &ImageViewEncodedImageBufferApp::OnKeyEvent);
  119 + }
  120 +
  121 +private:
  122 +
  123 + void UpdateImageUrl()
  124 + {
  125 + mImageBuffer = ConvertFileToEncodedImageBuffer(IMAGE_PATH[mImageIndex]);
  126 + mImageUrl = Image::GenerateUrl(mImageBuffer);
  127 + }
  128 + void UpdateImageViews()
  129 + {
  130 + for(int i = 0; i < static_cast<int>(NUMBER_OF_IMAGES_ROW); i++)
  131 + {
  132 + for(int j = 0; j < static_cast<int>(NUMBER_OF_IMAGES_COLUMN); j++)
  133 + {
  134 + int viewId = i * NUMBER_OF_IMAGES_COLUMN + j;
  135 + // Remove old image and set null
  136 + if(mImageViews[viewId])
  137 + {
  138 + mImageViews[viewId].Unparent();
  139 + mImageViews[viewId] = ImageView(); // Set null image view
  140 + }
  141 +
  142 + bool needToCreate = true;
  143 +
  144 + // If current state don't wanna create current view, just skip
  145 + unsigned int currentViewState = 1u << ((i + j) & 1);
  146 + if(mState & currentViewState)
  147 + {
  148 + needToCreate = false;
  149 + }
  150 +
  151 + if(needToCreate)
  152 + {
  153 + mImageViews[viewId] = CreateImageView(i, j);
  154 + mContentLayer.Add(mImageViews[viewId]);
  155 + }
  156 + }
  157 + }
  158 + }
  159 + ImageView CreateImageView(int offset_y, int offset_x)
  160 + {
  161 + ImageView view = ImageView::New();
  162 + view.SetProperty(Actor::Property::SIZE, IMAGE_VIEW_SIZE);
  163 + view.SetProperty(Actor::Property::POSITION, Vector2(IMAGE_VIEW_SIZE.x * offset_x, IMAGE_VIEW_SIZE.y * offset_y + mToolBar.GetNaturalSize().y));
  164 + view.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
  165 +
  166 + Property::Map imagePropertyMap;
  167 + imagePropertyMap.Insert(Visual::Property::TYPE, Visual::IMAGE);
  168 + imagePropertyMap.Insert(ImageVisual::Property::URL, mImageUrl.GetUrl());
  169 +
  170 + view.SetProperty(ImageView::Property::IMAGE, imagePropertyMap);
  171 +
  172 + return view;
  173 + }
  174 +
  175 + bool OnTick()
  176 + {
  177 + mState = (mState + 1) % 4;
  178 + UpdateImageViews();
  179 + return true; // Keep tick always
  180 + }
  181 +
  182 + bool OnTouch(Actor actor, const TouchEvent& touch)
  183 + {
  184 + if(touch.GetState(0) == PointState::UP)
  185 + {
  186 + // Change resource
  187 + mImageIndex = (mImageIndex + 1) % NUMBER_OF_RESOURCES;
  188 + // Change resource's url
  189 + UpdateImageUrl();
  190 + // Update image views
  191 + UpdateImageViews();
  192 + }
  193 + return true;
  194 + }
  195 +
  196 + /**
  197 + * Main key event handler
  198 + */
  199 + void OnKeyEvent(const KeyEvent& event)
  200 + {
  201 + if(event.GetState() == KeyEvent::DOWN)
  202 + {
  203 + if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
  204 + {
  205 + if(mTimer.IsRunning())
  206 + {
  207 + mTimer.Stop();
  208 + mTimer.TickSignal().Disconnect(this, &ImageViewEncodedImageBufferApp::OnTick);
  209 + }
  210 + mApplication.Quit();
  211 + }
  212 + }
  213 + }
  214 +
  215 +private:
  216 + Application& mApplication;
  217 +
  218 + Toolkit::Control mView; ///< The View instance.
  219 + Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
  220 + Layer mContentLayer; ///< Content layer
  221 +
  222 + Toolkit::ImageView mImageViews[NUMBER_OF_IMAGES];
  223 +
  224 + unsigned int mImageIndex;
  225 + EncodedImageBuffer mImageBuffer;
  226 + ImageUrl mImageUrl;
  227 +
  228 + // Automatic unparent and create ticker.
  229 + Timer mTimer;
  230 + unsigned int mState; ///< 0 : draw all images, 1 : draw half, 2 : draw another half, 3 : don't draw images.
  231 +};
  232 +
  233 +int DALI_EXPORT_API main(int argc, char** argv)
  234 +{
  235 + Application application = Application::New(&argc, &argv, DEMO_THEME_PATH);
  236 + ImageViewEncodedImageBufferApp test(application);
  237 + application.MainLoop();
  238 + return 0;
  239 +}
... ...
resources/po/en_GB.po
  View file @205f133
... ... @@ -109,6 +109,9 @@ msgstr &quot;Image View&quot;
109 109 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING"
110 110 msgstr "Image View Alpha Blending"
111 111  
  112 +msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER"
  113 +msgstr "Image View Encoded Image Buffer"
  114 +
112 115 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA"
113 116 msgstr "Image View Pixel Area"
114 117  
... ...
resources/po/en_US.po
  View file @205f133
... ... @@ -109,6 +109,9 @@ msgstr &quot;Image View&quot;
109 109 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING"
110 110 msgstr "Image View Alpha Blending"
111 111  
  112 +msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER"
  113 +msgstr "Image View Encoded Image Buffer"
  114 +
112 115 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA"
113 116 msgstr "Image View Pixel Area"
114 117  
... ...
resources/po/ko.po
  View file @205f133
... ... @@ -67,6 +67,9 @@ msgstr &quot;이미지 뷰&quot;
67 67 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING"
68 68 msgstr "이미지 뷰 알파 블렌딩"
69 69  
  70 +msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER"
  71 +msgstr "이미지 뷰 인코딩 버퍼"
  72 +
70 73 msgid "DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA"
71 74 msgstr "이미지 뷰 픽셀 영역"
72 75  
... ...
shared/dali-demo-strings.h
  View file @205f133
... ... @@ -74,6 +74,7 @@ extern &quot;C&quot;
74 74 #define DALI_DEMO_STR_TITLE_IMAGE_SCALING dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_SCALING")
75 75 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW")
76 76 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING")
  77 +#define DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER")
77 78 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA")
78 79 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_SVG dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW_SVG")
79 80 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_URL dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW_URL")
... ... @@ -180,6 +181,7 @@ extern &quot;C&quot;
180 181 #define DALI_DEMO_STR_TITLE_IMAGE_SCALING "Image Scaling Grid"
181 182 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW "Image View"
182 183 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_ALPHA_BLENDING "Image View Alpha Blending"
  184 +#define DALI_DEMO_STR_TITLE_IMAGE_VIEW_ENCODED_IMAGE_BUFFER "Image View Encoded Image Buffer"
183 185 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_PIXEL_AREA "Image View Pixel Area"
184 186 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_SVG "Image View SVG"
185 187 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW_URL "Image View URL"
... ...