mirror of
https://github.com/thorvg/thorvg.git
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examples: added image scale up/down samples.
This commit is contained in:
Hermet Park
Hermet Park
parent
7152953df4
commit
823cc85238
5 changed files with 382 additions and 0 deletions
190
src/examples/ImageScaleDown.cpp
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190
src/examples/ImageScaleDown.cpp
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@ -0,0 +1,190 @@
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/*
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* Copyright (c) 2021 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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||||||
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||||||
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "Common.h"
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/************************************************************************/
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/* Drawing Commands */
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/************************************************************************/
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static tvg::Picture* pPicture = nullptr;
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void tvgDrawCmds(tvg::Canvas* canvas)
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{
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if (!canvas) return;
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//Original
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auto picture = tvg::Picture::gen();
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pPicture = picture.get();
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if (picture->load(EXAMPLE_DIR"/scaledown.png") == tvg::Result::Success) {
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if (canvas->push(move(picture)) != tvg::Result::Success) return;
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}
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}
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void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
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{
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if (!canvas) return;
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auto scale = 1.0f;
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if (progress > 0.875f) scale = 0.125f;
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else if (progress > 0.75f) scale = 0.25f;
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else if (progress > 0.625f) scale = 0.375f;
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else if (progress > 0.5f) scale = 0.5f;
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else if (progress > 0.375f) scale = 0.625f;
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else if (progress > 0.25f) scale = 0.75f;
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else if (progress > 0.125f) scale = 0.875f;
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else scale = 1.0f;
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pPicture->scale(scale);
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canvas->update(pPicture);
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}
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/************************************************************************/
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/* Sw Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::SwCanvas> swCanvas;
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void tvgSwTest(uint32_t* buffer)
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{
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//Create a Canvas
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swCanvas = tvg::SwCanvas::gen();
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swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(swCanvas.get());
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}
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void transitSwCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
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{
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tvgUpdateCmds(swCanvas.get(), progress);
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//Update Efl Canvas
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Eo* img = (Eo*) effect;
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evas_object_image_data_update_add(img, 0, 0, WIDTH, HEIGHT);
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evas_object_image_pixels_dirty_set(img, EINA_TRUE);
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}
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void drawSwView(void* data, Eo* obj)
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{
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if (swCanvas->draw() == tvg::Result::Success) {
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swCanvas->sync();
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}
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}
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/************************************************************************/
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/* GL Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::GlCanvas> glCanvas;
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void initGLview(Evas_Object *obj)
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{
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static constexpr auto BPP = 4;
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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(glCanvas.get());
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}
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void drawGLview(Evas_Object *obj)
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{
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auto gl = elm_glview_gl_api_get(obj);
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gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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gl->glClear(GL_COLOR_BUFFER_BIT);
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if (glCanvas->draw() == tvg::Result::Success) {
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glCanvas->sync();
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}
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}
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void transitGlCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
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{
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tvgUpdateCmds(glCanvas.get(), progress);
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elm_glview_changed_set((Evas_Object*)effect);
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}
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/************************************************************************/
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/* Main Code */
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/************************************************************************/
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int main(int argc, char **argv)
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{
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tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
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if (argc > 1) {
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if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
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}
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//Initialize ThorVG Engine
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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cout << "tvg engine: software" << endl;
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} else {
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cout << "tvg engine: opengl" << endl;
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}
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//Initialize ThorVG Engine
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if (tvg::Initializer::init(tvgEngine, 0) == tvg::Result::Success) {
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elm_init(argc, argv);
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Elm_Transit *transit = elm_transit_add();
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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auto view = createSwView();
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elm_transit_effect_add(transit, transitSwCb, view, nullptr);
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} else {
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auto view = createGlView();
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elm_transit_effect_add(transit, transitGlCb, view, nullptr);
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}
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elm_transit_duration_set(transit, 7);
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elm_transit_repeat_times_set(transit, -1);
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elm_transit_auto_reverse_set(transit, EINA_TRUE);
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elm_transit_go(transit);
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elm_run();
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elm_shutdown();
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//Terminate ThorVG Engine
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tvg::Initializer::term(tvgEngine);
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} else {
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cout << "engine is not supported" << endl;
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}
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return 0;
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}
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190
src/examples/ImageScaleUp.cpp
Normal file
190
src/examples/ImageScaleUp.cpp
Normal file
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@ -0,0 +1,190 @@
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/*
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* Copyright (c) 2021 Samsung Electronics Co., Ltd. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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||||||
|
* of this software and associated documentation files (the "Software"), to deal
|
||||||
|
* in the Software without restriction, including without limitation the rights
|
||||||
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||||
|
* copies of the Software, and to permit persons to whom the Software is
|
||||||
|
* furnished to do so, subject to the following conditions:
|
||||||
|
|
||||||
|
* The above copyright notice and this permission notice shall be included in all
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||||||
|
* copies or substantial portions of the Software.
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||||||
|
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "Common.h"
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/************************************************************************/
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/* Drawing Commands */
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/************************************************************************/
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static tvg::Picture* pPicture = nullptr;
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void tvgDrawCmds(tvg::Canvas* canvas)
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{
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if (!canvas) return;
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//Original
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auto picture = tvg::Picture::gen();
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pPicture = picture.get();
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if (picture->load(EXAMPLE_DIR"/scaleup.png") == tvg::Result::Success) {
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if (canvas->push(move(picture)) != tvg::Result::Success) return;
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}
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}
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void tvgUpdateCmds(tvg::Canvas* canvas, float progress)
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{
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if (!canvas) return;
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auto scale = 1.0f;
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if (progress > 0.875f) scale = 4.0f;
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else if (progress > 0.75f) scale = 3.0f;
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else if (progress > 0.625f) scale = 2.5f;
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else if (progress > 0.5f) scale = 2.0f;
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else if (progress > 0.375f) scale = 1.75f;
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else if (progress > 0.25f) scale = 1.5f;
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else if (progress > 0.125f) scale = 1.25f;
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else scale = 1.0f;
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pPicture->scale(scale);
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canvas->update(pPicture);
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}
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/************************************************************************/
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/* Sw Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::SwCanvas> swCanvas;
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void tvgSwTest(uint32_t* buffer)
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{
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//Create a Canvas
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swCanvas = tvg::SwCanvas::gen();
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swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(swCanvas.get());
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}
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void transitSwCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
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{
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tvgUpdateCmds(swCanvas.get(), progress);
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//Update Efl Canvas
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Eo* img = (Eo*) effect;
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evas_object_image_data_update_add(img, 0, 0, WIDTH, HEIGHT);
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evas_object_image_pixels_dirty_set(img, EINA_TRUE);
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}
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void drawSwView(void* data, Eo* obj)
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{
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if (swCanvas->draw() == tvg::Result::Success) {
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swCanvas->sync();
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}
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}
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/************************************************************************/
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/* GL Engine Test Code */
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/************************************************************************/
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static unique_ptr<tvg::GlCanvas> glCanvas;
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void initGLview(Evas_Object *obj)
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{
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static constexpr auto BPP = 4;
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//Create a Canvas
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glCanvas = tvg::GlCanvas::gen();
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glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
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/* Push the shape into the Canvas drawing list
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When this shape is into the canvas list, the shape could update & prepare
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internal data asynchronously for coming rendering.
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Canvas keeps this shape node unless user call canvas->clear() */
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tvgDrawCmds(glCanvas.get());
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}
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void drawGLview(Evas_Object *obj)
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{
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auto gl = elm_glview_gl_api_get(obj);
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gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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gl->glClear(GL_COLOR_BUFFER_BIT);
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if (glCanvas->draw() == tvg::Result::Success) {
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glCanvas->sync();
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}
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}
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void transitGlCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
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{
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tvgUpdateCmds(glCanvas.get(), progress);
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elm_glview_changed_set((Evas_Object*)effect);
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}
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|
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/************************************************************************/
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||||||
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/* Main Code */
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/************************************************************************/
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|
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int main(int argc, char **argv)
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{
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tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
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if (argc > 1) {
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if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
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}
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|
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//Initialize ThorVG Engine
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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cout << "tvg engine: software" << endl;
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} else {
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cout << "tvg engine: opengl" << endl;
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||||||
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}
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||||||
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//Initialize ThorVG Engine
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if (tvg::Initializer::init(tvgEngine, 0) == tvg::Result::Success) {
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elm_init(argc, argv);
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Elm_Transit *transit = elm_transit_add();
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if (tvgEngine == tvg::CanvasEngine::Sw) {
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auto view = createSwView();
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elm_transit_effect_add(transit, transitSwCb, view, nullptr);
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} else {
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auto view = createGlView();
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elm_transit_effect_add(transit, transitGlCb, view, nullptr);
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}
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elm_transit_duration_set(transit, 7);
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elm_transit_repeat_times_set(transit, -1);
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elm_transit_auto_reverse_set(transit, EINA_TRUE);
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elm_transit_go(transit);
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elm_run();
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elm_shutdown();
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//Terminate ThorVG Engine
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||||||
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tvg::Initializer::term(tvgEngine);
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||||||
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||||||
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} else {
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||||||
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cout << "engine is not supported" << endl;
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}
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return 0;
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}
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BIN
src/examples/images/scaledown.png
Normal file
BIN
src/examples/images/scaledown.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 109 KiB |
BIN
src/examples/images/scaleup.png
Normal file
BIN
src/examples/images/scaleup.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 7.1 KiB |
|
|
@ -15,6 +15,8 @@ source_file = [
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'GradientMasking.cpp',
|
'GradientMasking.cpp',
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||||||
'GradientStroke.cpp',
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'GradientStroke.cpp',
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||||||
'GradientTransform.cpp',
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'GradientTransform.cpp',
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||||||
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'ImageScaleDown.cpp',
|
||||||
|
'ImageScaleUp.cpp',
|
||||||
'InvMasking.cpp',
|
'InvMasking.cpp',
|
||||||
'LinearGradient.cpp',
|
'LinearGradient.cpp',
|
||||||
'Masking.cpp',
|
'Masking.cpp',
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue