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c6742e9590
this interface is designed for user-defined arbitrary affine-transform paints. required by svg loader. Change-Id: I7f08023605d224e36cef3770098d3757aee81848
140 lines
3.5 KiB
C++
140 lines
3.5 KiB
C++
#include <tizenvg.h>
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#include <Elementary.h>
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using namespace std;
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#define WIDTH 800
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#define HEIGHT 800
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static uint32_t buffer[WIDTH * HEIGHT];
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unique_ptr<tvg::SwCanvas> canvas = nullptr;
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tvg::Shape* pShape = nullptr;
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void tvgtest()
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{
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//Create a Canvas
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canvas = tvg::SwCanvas::gen();
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canvas->target(buffer, WIDTH, WIDTH, HEIGHT);
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//Shape1
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auto shape = tvg::Shape::gen();
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/* Acquire shape pointer to access it again.
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instead, you should consider not to interrupt this pointer life-cycle. */
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pShape = shape.get();
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shape->moveTo(0, -114.5);
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shape->lineTo(54, -5.5);
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shape->lineTo(175, 11.5);
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shape->lineTo(88, 95.5);
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shape->lineTo(108, 216.5);
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shape->lineTo(0, 160.5);
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shape->lineTo(-102, 216.5);
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shape->lineTo(-87, 96.5);
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shape->lineTo(-173, 12.5);
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shape->lineTo(-53, -5.5);
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shape->close();
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shape->fill(0, 0, 255, 255);
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canvas->push(move(shape));
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//Draw first frame
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canvas->draw();
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canvas->sync();
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}
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void transit_cb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
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{
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/* Update shape directly.
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You can update only necessary properties of this shape,
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while retaining other properties. */
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//Transform Matrix
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tvg::Matrix m = {1, 0, 0, 0, 1, 0, 0, 0, 1};
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//scale x
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m.e11 = 1 - (progress * 0.5f);
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//scale y
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m.e22 = 1 + (progress * 2.0f);
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//rotation
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constexpr auto PI = 3.141592f;
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auto degree = 45.0f;
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auto radian = degree / 180.0f * PI;
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auto cosVal = cosf(radian);
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auto sinVal = sinf(radian);
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auto t11 = m.e11 * cosVal + m.e12 * sinVal;
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auto t12 = m.e11 * -sinVal + m.e12 * cosVal;
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auto t21 = m.e21 * cosVal + m.e22 * sinVal;
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auto t22 = m.e21 * -sinVal + m.e22 * cosVal;
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auto t31 = m.e31 * cosVal + m.e32 * sinVal;
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auto t32 = m.e31 * -sinVal + m.e32 * cosVal;
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m.e11 = t11;
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m.e12 = t12;
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m.e21 = t21;
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m.e22 = t22;
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m.e31 = t31;
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m.e32 = t32;
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//translate
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m.e31 = progress * 300.0f + 300.0f;
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m.e32 = progress * -100.0f + 300.0f;
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pShape->transform(m);
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//Update shape for drawing (this may work asynchronously)
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canvas->update(pShape);
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//Draw Next frames
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canvas->draw();
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canvas->sync();
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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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}
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void
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win_del(void *data, Evas_Object *o, void *ev)
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{
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elm_exit();
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}
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int main(int argc, char **argv)
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{
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//Initialize TizenVG Engine
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tvg::Initializer::init(tvg::CanvasEngine::Sw);
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tvgtest();
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//Show the result using EFL...
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elm_init(argc, argv);
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Eo* win = elm_win_util_standard_add(NULL, "TizenVG Test");
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evas_object_smart_callback_add(win, "delete,request", win_del, 0);
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Eo* img = evas_object_image_filled_add(evas_object_evas_get(win));
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evas_object_image_size_set(img, WIDTH, HEIGHT);
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evas_object_image_data_set(img, buffer);
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evas_object_size_hint_weight_set(img, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_show(img);
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elm_win_resize_object_add(win, img);
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evas_object_geometry_set(win, 0, 0, WIDTH, HEIGHT);
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evas_object_show(win);
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Elm_Transit *transit = elm_transit_add();
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elm_transit_effect_add(transit, transit_cb, img, nullptr);
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elm_transit_duration_set(transit, 2);
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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 TizenVG Engine
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tvg::Initializer::term(tvg::CanvasEngine::Sw);
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}
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