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Cdroid/tests/gui/drawable_tests.cc
houzh 59f4679c79 fix some test's compilse issues
2023-09-05 09:19:29 +08:00

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#include <gtest/gtest.h>
#include <cdroid.h>
#include <ngl_misc.h>
#include <drawables.h>
#include <fstream>
#include <sstream>
#include <core/systemclock.h>
#include <core/path.h>
#define SLEEP(x) usleep((x)*1000)
using namespace Cairo;
class DRAWABLE:public testing::Test{
public:
static Canvas*ctx;
static Assets*rm;
static RefPtr<ImageSurface>sImage;
public:
static void SetUpTestCase(){
GFXInit();
ctx=new Canvas(800,600);//GraphDevice::getInstance().createContext(800,600);
sImage=ImageSurface::create(Surface::Format::ARGB32,400,400);
RefPtr<Gradient>pat=LinearGradient::create(0,0,400,400);
RefPtr<Gradient>rd=RadialGradient::create(20,20,30,200,200,100);
pat->add_color_stop_rgba(0,1,0,0,0);
pat->add_color_stop_rgba(.25,0,1,0,.5);
pat->add_color_stop_rgba(.5,1,0,1,1.);
pat->add_color_stop_rgba(.75,1,1,1,.5);
pat->add_color_stop_rgba(1.,1,1,1,0);
rd->add_color_stop_rgba(0,.2,.2,.2,.1);
rd->add_color_stop_rgba(1,1.,.2,.5,.5);
RefPtr<Cairo::Context>cr=Cairo::Context::create(sImage);
cr->set_source(pat);
cr->rectangle(0,0,400,400);
cr->fill();
cr->set_source(rd);
cr->rectangle(0,0,400,400);
cr->fill();
cr->set_source_rgba(.3,1.,2,.8);
cr->set_font_size(80);
cr->move_to(80,200);
cr->set_line_width(4);
cr->show_text("Image");
cr->stroke();
}
static void TearDownCase(){
delete ctx;
}
virtual void SetUp(){
ctx->save();
ctx->set_source_rgba(0,0,0,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
}
void postCompose(){
RECT rect={0,0,800,600};
Canvas*primary=GraphDevice::getInstance().getPrimaryContext();
primary->set_source(ctx->get_target(),0,0);
primary->rectangle(0,0,800,600);
primary->fill();
GFXFlip(GraphDevice::getInstance().getPrimarySurface());
}
virtual void TearDown(){
ctx->restore();
postCompose();
sleep(2);
}
};
Canvas* DRAWABLE::ctx=nullptr;
Assets*DRAWABLE::rm =nullptr;
RefPtr<ImageSurface>DRAWABLE::sImage;
TEST_F(DRAWABLE,parsexml){
std::ifstream fs("styles.xml");
}
TEST_F(DRAWABLE,color){
const char*text="<color color=\"red\"/>";
std::istringstream is(text);
ColorDrawable*d=(ColorDrawable*)Drawable::fromStream(nullptr,is);
ASSERT_NE(d,(void*)nullptr);
d->setBounds(50,50,600,400);
d->draw(*ctx);
delete d;
}
TEST_F(DRAWABLE,bitmapalpha){
BitmapDrawable*d=new BitmapDrawable(sImage);
ASSERT_EQ(d->getBitmap().get(),(void*)sImage.get());
d->setBounds(100,100,300,300);
for(int alpha=255;alpha>0;alpha-=5){
ctx->set_source_rgb(0,0,.5);
ctx->rectangle(0,0,500,500);
ctx->fill();
d->setAlpha(alpha);
d->draw(*ctx);
postCompose();
usleep(100*1000);
}
}
TEST_F(DRAWABLE,ninepatch1){
std::ifstream fs("/home/houzh/Miniwin/apps/ntvplus/assets/drawable/paopao1.9.png");
RefPtr<ImageSurface>img=ImageSurface::create_from_stream(fs);
ASSERT_EQ(1,(int)fs.good());
NinePatchDrawable *d=new NinePatchDrawable(img);
d->setBounds(50,50,600,200);
d->draw(*ctx);
delete d;
}
TEST_F(DRAWABLE,ninepatch2){
std::ifstream fs("/home/houzh/Miniwin/apps/ntvplus/assets/drawable/btn_normal.9.png");//paopao1.9.png");
RefPtr<ImageSurface>img=ImageSurface::create_from_stream(fs);
ASSERT_EQ(1,(int)fs.good());
ctx->set_source_rgb(.4,.4,.0);
ctx->rectangle(0,0,700,300);
ctx->fill();
NinePatchDrawable *d=new NinePatchDrawable(img);
d->setBounds(50,50,600,200);
d->draw(*ctx);
delete d;
}
TEST_F(DRAWABLE,picture){
RefPtr<RecordingSurface>picture= RecordingSurface::create();
RefPtr<Cairo::Context>ctxpic=Cairo::Context::create(picture);
ctxpic->set_source_rgba(1,1,1,1);
ctxpic->rectangle(0,0,400,50);
ctxpic->fill();
ctxpic->set_source_rgba(1,0,0,1);
ctxpic->move_to(50,20);
ctxpic->set_font_size(32);
ctxpic->show_text("PictureDrawable");
ctxpic->fill();
ctxpic->set_source_rgba(0,1,0,.5);
ctxpic->arc(200,25,50,0,M_PI*2.f);
ctxpic->fill();
PictureDrawable*pd=new PictureDrawable(picture);
pd->setBounds(100,100,400,50);
pd->draw(*ctx);
delete pd;
}
TEST_F(DRAWABLE,transition){
std::vector<Drawable*>ds;
ds.push_back(new ColorDrawable(0x80FF0000));
ds.push_back(new BitmapDrawable(sImage));
TransitionDrawable*td=new TransitionDrawable(ds);
td->setBounds(100,100,400,400);
td->startTransition(5000);
td->setCrossFadeEnabled(true);
for(int i=0;i<=500;i++){
ctx->set_source_rgb(1,1,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
td->draw(*ctx);
postCompose();
usleep(1000);
}
}
TEST_F(DRAWABLE,rectshape){
RectShape*rs=new RectShape();
rs->resize(600,500);
ctx->set_color(0xFFFF0000);
for(int alpha=255;alpha>0;alpha-=5){
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
rs->draw(*ctx);
ctx->fill();
postCompose();
usleep(10000);
}
}
TEST_F(DRAWABLE,roundrect){
RECT rect={2,2,2,2};
std::vector<float>out={40,30,50,30};
std::vector<float>in={};//{30,20,30,20};
RoundRectShape*rs=new RoundRectShape(out,rect,in);
rs->setStrokeColor(0xFFFF0000);
rs->setGradientColors(std::vector<uint32_t>{0xFFFF0000,0xFF00FF00});//,0xFF0000FF});
rs->setGradientType(Shape::Gradient::SWEEP);
rs->setGradientAngle(270);
rs->setStrokeSize(5);
rs->setGradientCenterX(.5f);
rs->setGradientCenterY(.5f);
rs->setGradientRadius(250);
rs->resize(500,500);
ctx->set_color(0xFF00FF00);
rs->draw(*ctx,50,50);
postCompose();
sleep(10);
}
TEST_F(DRAWABLE,roundrectshape){
RECT rect={2,2,2,2};
std::vector<float>out={40,30,50,30};
std::vector<float>in={};//{30,20,30,20};
RoundRectShape*rs=new RoundRectShape(out,rect,in);
rs->setStrokeColor(0xFFFF0000);
rs->setGradientColors(std::vector<uint32_t>{0xFFFF0000,0xFF00FF00});//,0xFF0000FF});
rs->setGradientType(Shape::Gradient::RADIAL);
rs->setGradientAngle(0);
rs->setStrokeSize(5);
rs->setGradientCenterX(.5f);
rs->setGradientCenterY(.5f);
rs->setGradientRadius(250);
rs->resize(500,500);
ctx->set_color(0xFF00FF00);
ctx->translate(50,50);
for(int i=0;i<8;i++){
ctx->rectangle(0,0,500,500);
ctx->set_source_rgb(0,0,0);
ctx->fill();
rs->setGradientAngle(45*i);
rs->draw(*ctx,50,50);
ctx->save();
ctx->translate(250,250);
ctx->set_line_width(5);
ctx->rotate_degrees(45*i);
ctx->move_to(0,0);
ctx->line_to(200,0);
ctx->set_source_rgb(1,1,1);
ctx->stroke();
ctx->restore();
postCompose();
sleep(1);
}
}
TEST_F(DRAWABLE,ringshape){
OvalShape*rs=new OvalShape();
rs->setStrokeColor(0xFFFF0000);
rs->setSolidColor(0xFF00FF00);
rs->setStrokeSize(5);
rs->setThickness(80);
rs->setGradientType(Shape::Gradient::LINEAR);
rs->setGradientColors(std::vector<uint32_t>{0xFFFF0000,0xFF00FF00,0xFF0000FF});
rs->setGradientRadius(100);
rs->setGradientCenterX(.5f);
rs->setGradientCenterY(.5f);
rs->resize(500,500);
ctx->set_color(0xFF00FF00);
ctx->translate(50,50);
for(int i=0;i<8;i++){
ctx->rectangle(0,0,500,500);
ctx->set_source_rgb(0,0,0);
ctx->fill();
rs->setGradientAngle(45*i);
rs->draw(*ctx,50,50);
ctx->save();
ctx->translate(250,250);
ctx->set_line_width(5);
ctx->rotate_degrees(45*i);
ctx->move_to(0,0);
ctx->line_to(200,0);
ctx->set_source_rgb(1,1,1);
ctx->stroke();
ctx->restore();
postCompose();
sleep(1);
}
}
TEST_F(DRAWABLE,insetdrawable){
ColorDrawable *cd=new ColorDrawable(0xFF00FF00);
InsetDrawable*id=new InsetDrawable(cd,20);
id->setBounds(50,50,600,400);
ctx->set_source_rgba(1,0,0,1);
ctx->rectangle(50,50,600,400);
ctx->fill();
id->draw(*ctx);
}
TEST_F(DRAWABLE,clipdrawable){
ClipDrawable *cd=new ClipDrawable();
BitmapDrawable*d=new BitmapDrawable(sImage);
cd->setDrawable(d);
cd->setBounds(50,50,400,400);
ShapeDrawable*sd=new ShapeDrawable();
Shape*sp=new RectShape();
ClipDrawable *cd2=new ClipDrawable(sd,Gravity::CENTER);
sd->setShape(sp);
cd2->setDrawable(sd);
sp->setSolidColor(0xFFFF0000);
sp->setStrokeColor(0xFF00FF00);
sp->setStrokeSize(5);
cd2->setBounds(500,50,300,300);
for(int i=0;i<=10000;i+=100){
ctx->set_source_rgba(0,0,0,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
cd->setLevel(i);cd2->setLevel(i);
cd->draw(*ctx);cd2->draw(*ctx);
postCompose();
usleep(2000);
}
}
TEST_F(DRAWABLE,rotatedrawable){
ColorDrawable *cd=new ColorDrawable(0xFF00FF00);
RotateDrawable*rt=new RotateDrawable();
rt->setDrawable(cd);
rt->setBounds(100,100,250,250);
rt->setPivotX(.5);
rt->setPivotY(.5);
RotateDrawable*rt2=new RotateDrawable();
BitmapDrawable*bmp=new BitmapDrawable(sImage);
rt2->setDrawable(bmp);
rt2->setBounds(360,100,300,300);
rt2->setPivotX(.5);
rt2->setPivotY(.5);
for(int i=0;i<=10000;i+=50){
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
rt->setLevel(i);
rt->draw(*ctx);
rt2->setLevel(10000-i);
rt2->draw(*ctx);
postCompose();
usleep(10000);
}
}
TEST_F(DRAWABLE,layerdrawable){
std::vector<Drawable*>cls;
cls.push_back(new ColorDrawable(0xFFFF0000));
cls.push_back(new ColorDrawable(0xFF00FF00));
cls.push_back(new ColorDrawable(0xFF0000FF));
cls.push_back(new BitmapDrawable(sImage));
LayerDrawable*ld=new LayerDrawable(cls);
for(int i=0;i<cls.size();i++){
ld->setLayerGravity(i,Gravity::CENTER);
ld->setLayerInset(i,20,20,20,20);
ld->setLayerSize(i,400-i*20,400-i*20);
}
ld->setBounds(100,100,400,400);
ld->draw(*ctx);
}
TEST_F(DRAWABLE,layerdrawable2){
LayerDrawable*ld=dynamic_cast<LayerDrawable*>(Drawable::inflate(nullptr,"/home/houzh/Miniwin/src/gui/res/drawable/progress_horizontal.xml"));
LayerDrawable*ld2=dynamic_cast<LayerDrawable*>(ld->getConstantState()->newDrawable());
ld->setBounds(10,100,300,300);
ld2->setBounds(410,100,300,300);
ld->draw(*ctx);
ld2->draw(*ctx);
postCompose();
sleep(10);
}
TEST_F(DRAWABLE,animaterotate){
AnimatedRotateDrawable*ad=new AnimatedRotateDrawable();
ad->setDrawable(new BitmapDrawable(sImage));
ad->setFramesDuration(10000);
ad->setFramesCount(100);
ad->setBounds(100,100,500,500);
ad->start();
ad->setPivotX(0.5);
ad->setPivotY(0.5);
ad->setPivotXRelative(true);
ad->setPivotYRelative(true);
for(int i=0;i<100;i++){
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
ad->draw(*ctx);
ad->nextFrame();
postCompose();
usleep(50000);
}
}
TEST_F(DRAWABLE,levellist){
LevelListDrawable*ld=new LevelListDrawable();
ld->addLevel(0,1,new ColorDrawable(0xFFFF0000));
ld->addLevel(2,3,new ColorDrawable(0xFF00FF00));
ld->addLevel(4,5,new ColorDrawable(0xFF0000FF));
ld->addLevel(6,7,new ColorDrawable(0xFFFFFF00));
ld->addLevel(8,9,new ColorDrawable(0xFF00FFFF));
ld->addLevel(10,11,new BitmapDrawable(sImage));
ld->setBounds(100,100,400,400);
for(int i=0;i<=10;i++){
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
ld->setLevel(i%11);
ld->draw(*ctx);
postCompose();
usleep(500000);
}
}
TEST_F(DRAWABLE,ovalshape){
OvalShape*ov=new OvalShape();
ov->resize(600,500);
ctx->set_color(0xFFFF0000);
ov->draw(*ctx);
ctx->fill();
}
TEST_F(DRAWABLE,arcshape){
ArcShape*arc=new ArcShape(M_PI,1.4*M_PI);
arc->resize(600,500);
ctx->set_color(0xFFFF0000);
arc->draw(*ctx);
ctx->fill();
}
TEST_F(DRAWABLE,statelist){
StateListDrawable*sd=dynamic_cast<StateListDrawable*>(Drawable::inflate(nullptr,
"/home/houzh/Miniwin/src/gui/res/drawable/btn_check.xml"));
sd->setBounds(100,100,64,64);
std::vector<int>states={StateSet::ENABLED,StateSet::FOCUSED,StateSet::CHECKED};
int idx=sd->getStateDrawableIndex(states);
sd->setState(states);
sd->draw(*ctx);
postCompose();
sleep(10);
}
TEST_F(DRAWABLE,inflateshape){
const char*text="<shape xmlns:cdroid=\"http://schemas.android.com/apk/res/android\" shape=\"oval\" useLevel=\"true\">\
<size cdroid:width=\"80dp\" cdroid:height=\"80dp\" /> <stroke cdroid:width=\"20dp\" cdroid:color=\"#ffff0000\"/>\
<gradient cdroid:angle=\"180\" cdroid:centerX=\"0.5\" cdroid:centerY=\"0.5\" cdroid:startColor=\"#ffff0000\"\
cdroid:centerColor=\"#ff00ff00\" cdroid:endColor=\"#ff0000ff\" cdroid:gradientRadius=\"200dp\" \
cdroid:type=\"radial\"/></shape>";
LONGLONG t1=SystemClock::uptimeMillis();
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,400,400);
LONGLONG t2=SystemClock::uptimeMillis();
d->draw(*ctx);
ASSERT_NE((void*)nullptr,dynamic_cast<ShapeDrawable*>(d));
printf("Usedtime=%lld\r\n",t2-t1);
}
TEST_F(DRAWABLE,inflateclip){
const char*text="<clip><shape xmlns:cdroid=\"http://schemas.android.com/apk/res/android\" \
cdroid:shape=\"oval\" cdroid:useLevel=\"true\">\
<size cdroid:width=\"80dp\" cdroid:height=\"80dp\" /> <stroke cdroid:width=\"20dp\" cdroid:color=\"#ffff0000\"/>\
<gradient cdroid:angle=\"180\" cdroid:centerX=\"0.5\" cdroid:centerY=\"0.5\" cdroid:startColor=\"#ffff0000\"\
cdroid:centerColor=\"#ff00ff00\" cdroid:endColor=\"#ff0000ff\" cdroid:gradientRadius=\"200dp\" \
cdroid:type=\"radial\"/></shape></clip>";
LONGLONG t1=SystemClock::uptimeMillis();
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,400,400);
LONGLONG t2=SystemClock::uptimeMillis();
for(int i=0;i<10000;i+=100){
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
((ClipDrawable*)d)->setLevel(i);
d->draw(*ctx);
postCompose();
usleep(1000);
}
ASSERT_NE((void*)nullptr,dynamic_cast<ClipDrawable*>(d));
printf("Usedtime=%lld clip=%p child=%p\r\n",t2-t1,dynamic_cast<ClipDrawable*>(d),((ClipDrawable*)d)->getDrawable());
}
TEST_F(DRAWABLE,inflatelayer){
const char*text="<layer-list xmlns:cdroid=\"http://schemas.android.com/apk/res/android\"> \
<item cdroid:id=\"123\"> <shape cdroid:shape=\"rectangle\"> <corners cdroid:radius=\"5dip\" />\
<gradient cdroid:type=\"linear\" cdroid:startColor=\"#ff9d9e9d\" cdroid:centerColor=\"#ff5a5d5a\"\
cdroid:centerY=\"0.75\" cdroid:endColor=\"#ff747674\" cdroid:angle=\"45\"/> </shape></item>\
<item cdroid:id=\"456\"> <clip> <shape cdroid:shape=\"rectangle\"> <corners cdroid:radius=\"100dip\" />\
<gradient cdroid:type=\"linear\" cdroid:startColor=\"#80ffd300\" cdroid:centerColor=\"#8000ffb6\"\
cdroid:centerX=\"0.5\" cdroid:centerY=\"0.5\" cdroid:endColor=\"#a0ff00ff\" cdroid:angle=\"90\"/>\
</shape> </clip> </item></layer-list>";
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,400,400);
LONGLONG t2=SystemClock::uptimeMillis();
LayerDrawable*ld=dynamic_cast<LayerDrawable*>(d);
ASSERT_NE((void*)nullptr,ld);
ASSERT_NE((void*)nullptr,ld->findDrawableByLayerId(123));
ASSERT_NE((void*)nullptr,ld->findDrawableByLayerId(456));
ASSERT_EQ(ld->getId(0),123);
ASSERT_EQ(ld->getId(1),456);
ASSERT_EQ(2,ld->getNumberOfLayers());
ClipDrawable*cd=dynamic_cast<ClipDrawable*>(ld->findDrawableByLayerId(456));
//cd->setGravity(Gravity::CENTER);
for(int i=0;i<10000;i+=100){
ctx->set_source_rgba(0,0,0,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
d->setLevel(i);
d->draw(*ctx);
postCompose();
usleep(5000);
}
}
TEST_F(DRAWABLE,inflateselector){
const char*text="<selector xmlns:cdroid=\"http://schemas.android.com/apk/res/android\">\
<item cdroid:color=\"#ffff0000\" cdroid:state_selected=\"true\"/>\
<item cdroid:color=\"#ff00ff00\" cdroid:state_focused=\"true\"/>\
<item cdroid:color=\"#ff0000ff\" /></selector>";
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,400,400);
ASSERT_NE((void*)nullptr,(void*)d);
StateListDrawable*sd=dynamic_cast<StateListDrawable*>(d);
ASSERT_NE((void*)nullptr,(void*)sd);
ASSERT_EQ(3,sd->getStateCount());
ASSERT_NE((void*)nullptr,sd->getStateDrawable(0));
ColorDrawable*cd=dynamic_cast<ColorDrawable*>(sd->getStateDrawable(0));
ASSERT_EQ(0xFFFF0000,(unsigned int)cd->getColor());
}
TEST_F(DRAWABLE,inflatetransition){
const char*text="<transition xmlns:cdroid=\"http://schemas.android.com/apk/res/android\">\
<item cdroid:color=\"#ffff0000\" cdroid:state_selected=\"true\"/>\
<item cdroid:color=\"#ff00ff00\" cdroid:state_focused=\"true\"/>\
</transition>";
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,400,400);
ASSERT_NE((void*)nullptr,(void*)d);
TransitionDrawable*td=dynamic_cast<TransitionDrawable*>(d);
ASSERT_NE((void*)nullptr,(void*)td);
ASSERT_EQ(2,td->getNumberOfLayers());
ASSERT_NE((void*)nullptr,td->getDrawable(0));
ColorDrawable*cd=dynamic_cast<ColorDrawable*>(td->getDrawable(0));
ASSERT_EQ(0xFFFF0000,(unsigned int)cd->getColor());
cd =dynamic_cast<ColorDrawable*>(td->getDrawable(1));
ASSERT_EQ(0xFF00FF00,(unsigned int)cd->getColor());
td->startTransition(5000);
td->setCrossFadeEnabled(true);
for(int i=0;i<10000;i+=100){
ctx->set_source_rgba(0,0,0,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
d->setLevel(i);
d->draw(*ctx);
postCompose();
usleep(50000);
}
}
TEST_F(DRAWABLE,inflatelevellist){
const char*text="<level-list xmlns:cdroid=\"http://schemas.android.com/apk/res/android\">\
<item cdroid:color=\"#ffff0000\" cdroid:minLevel=\"0\" cdroid:maxLevel=\"1\"/>\
<item cdroid:color=\"#ff00ff00\" cdroid:minLevel=\"1\" cdroid:maxLevel=\"2\"/>\
<item cdroid:color=\"#ff0000ff\" cdroid:minLevel=\"2\" cdroid:maxLevel=\"3\"/>\
<item cdroid:minLevel=\"3\" cdroid:maxLevel=\"4\">\
<shape cdroid:shape=\"oval\"><solid cdroid:color=\"#ffff00ff\"/></shape>\
</item> </level-list>";
std::istringstream is(text);
Drawable*d=Drawable::fromStream(nullptr,is);
d->setBounds(100,100,500,500);
LevelListDrawable*ld=dynamic_cast<LevelListDrawable*>(d);
ASSERT_NE((void*)nullptr,ld->getChild(0));
ColorDrawable*cd=dynamic_cast<ColorDrawable*>(ld->getChild(0));
ASSERT_EQ(0xffff0000,(unsigned int)cd->getColor());
for(int i=0;i<100;i++){
ctx->set_source_rgba(0,0,0,1);
ctx->rectangle(0,0,800,600);
ctx->fill();
d->setLevel(i%5);
d->draw(*ctx);
postCompose();
usleep(500000);
}
}
TEST_F(DRAWABLE,gradient_rectangle){
GradientDrawable*gd=new GradientDrawable();
gd->setBounds(50,50,500,500);
for(int shape=0;shape<4;shape++){
gd->setShape(shape);
for(int i=0;i<8;i++){
gd->setStroke(i*2+8,0xFFFFFFFF,i*2,shape*2);
ctx->set_source_rgb(0,0,0);
ctx->rectangle(0,0,800,600);
ctx->fill();
gd->setOrientation((GradientDrawable::Orientation)i);
gd->setColors(std::vector<int>{(int)0xFFFF0000,(int)0xFF00FF00,(int)0xFF0000FF},{.0f,.5f,1.f});
gd->setSize(500-20*i,500-20*i);
gd->setCornerRadius(20-i);
gd->draw(*ctx);
ctx->get_target()->write_to_png("gradient1.png");
postCompose();
usleep(100000);
}
}
}
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