android_translation_layer/src/api-impl-jni/widgets/android_widget_ImageView.c

#include <gtk/gtk.h>

#include "../defines.h"
#include "../util.h"

#include "WrapperWidget.h"

#include "../generated_headers/android_widget_ImageView.h"

#define SCALE_TYPE_MATRIX 0
#define SCALE_TYPE_FIT_XY 1
#define SCALE_TYPE_FIT_START 2
#define SCALE_TYPE_FIT_CENTER 3
#define SCALE_TYPE_FIT_END 4
#define SCALE_TYPE_CENTER 5
#define SCALE_TYPE_CENTER_CROP 6
#define SCALE_TYPE_CENTER_INSIDE 7

JNIEXPORT jlong JNICALL Java_android_widget_ImageView_native_1constructor(JNIEnv *env, jobject this, jobject context, jobject attrs)
{
	GtkWidget *wrapper = g_object_ref(wrapper_widget_new());
	GtkWidget *image = gtk_picture_new();
	wrapper_widget_set_child(WRAPPER_WIDGET(wrapper), image);
	wrapper_widget_set_jobject(WRAPPER_WIDGET(wrapper), env, this);
	return _INTPTR(image);
}

JNIEXPORT void JNICALL Java_android_widget_ImageView_native_1setPixbuf(JNIEnv *env, jobject this, jlong widget_ptr, jlong pixbuf_ptr)
{
	GdkPaintable *paintable = GDK_PAINTABLE(gdk_texture_new_for_pixbuf(_PTR(pixbuf_ptr)));
	Java_android_widget_ImageView_native_1setDrawable(env, this, widget_ptr, _INTPTR(paintable));
}

JNIEXPORT void JNICALL Java_android_widget_ImageView_native_1setDrawable(JNIEnv *env, jobject this, jlong widget_ptr, jlong paintable_ptr)
{
	GtkPicture *picture = _PTR(widget_ptr);
	GdkPaintable *paintable = _PTR(paintable_ptr);
	gtk_picture_set_paintable(picture, paintable);
}

JNIEXPORT void JNICALL Java_android_widget_ImageView_native_1setScaleType(JNIEnv *env, jobject this, jlong widget_ptr, jint scale_type)
{
	GtkPicture *picture = _PTR(widget_ptr);
	/* TODO: somehow handle all the types */
	switch (scale_type) {
		case SCALE_TYPE_FIT_XY:
			gtk_picture_set_content_fit(picture, GTK_CONTENT_FIT_FILL);
			break;
		case SCALE_TYPE_CENTER:
			/* should probably let it overflow instead */
			gtk_picture_set_content_fit(picture, GTK_CONTENT_FIT_SCALE_DOWN);
			break;
		case SCALE_TYPE_CENTER_CROP:
			gtk_picture_set_content_fit(picture, GTK_CONTENT_FIT_COVER);
			break;
		case SCALE_TYPE_CENTER_INSIDE:
			gtk_picture_set_content_fit(picture, GTK_CONTENT_FIT_CONTAIN);
			break;
	}
}