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#include "drawTestBase.h"
#include <cmath>
class SaveRestoreTest : public DrawTestBase {
protected:
fs::path imgPath = fs::path(GTEST_DATA_ROOT) / "img512.png";
VkvgSurface imgSurf;
void SetUp() override {
surf = vkvg_surface_create(dev, 512, 512);
imgSurf = vkvg_surface_create_from_image(dev, (char*)imgPath.c_str());
}
void TearDown() override {
vkvg_surface_destroy(imgSurf);
DrawTestBase::TearDown();
}
void recurse_draw(VkvgContext ctx, int depth, int maxDepth) {
static float gap = 10.f;
depth++;
float depthRatio = (float)depth / maxDepth;
vkvg_rectangle(ctx, gap * depth, gap * depth, 512.f - gap * 2.f * depth, 512.f - gap * 2.f * depth);
vkvg_clip(ctx);
vkvg_set_source_rgb(ctx, depthRatio, depthRatio, 1.f);
vkvg_paint(ctx);
vkvg_arc(ctx, 256, 256, 256.f - gap * depth, 0, 2.f * M_PI);
vkvg_clip(ctx);
vkvg_set_source_surface(ctx, imgSurf, 0, 0);
vkvg_paint(ctx);
vkvg_save(ctx);
if (depth < maxDepth)
recurse_draw(ctx, depth, maxDepth);
float a = M_PI * 0.5f * depthRatio;
float x = cos(a) * 256;
float y = sin(a) * 256;
vkvg_set_line_width(ctx, 2.f);
vkvg_move_to(ctx, 256.f - x, 256.f - y);
vkvg_line_to(ctx, 256.f + x, 256.f + y);
vkvg_set_source_rgba(ctx, 0.f, 1.f, 0.f, 0.6f);
vkvg_stroke(ctx);
vkvg_restore(ctx);
EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_status(ctx));
depth--;
}
};
TEST_F(SaveRestoreTest, RestoreClip1) {
VkvgContext ctx = vkvg_create(surf);
vkvg_arc(ctx, 140, 140, 100, 0, 2.f * M_PI);
vkvg_clip(ctx);
vkvg_save(ctx);
vkvg_reset_clip(ctx);
vkvg_restore(ctx);
vkvg_set_source_surface(ctx, imgSurf, 0, 0);
vkvg_paint(ctx);
EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_status(ctx));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint3) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 3));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint6) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 6));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint9) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 9));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint10) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 10));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint11) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 11));
vkvg_destroy(ctx);
compareWithRefImage();
}
TEST_F(SaveRestoreTest, RecursePaint20) {
VkvgContext ctx = vkvg_create(surf);
EXPECT_NO_FATAL_FAILURE(recurse_draw(ctx, 0, 20));
vkvg_destroy(ctx);
compareWithRefImage();
}
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