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Initialize (instantiate) RockboxFramebuffer from the C code like with the othe java objects.

Remove some @Override annotations to make the Java code build with certain javac versions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28386 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-10-29 23:12:08 +00:00
parent 669a327a2e
commit 6bb7522852
5 changed files with 59 additions and 59 deletions

View file

@ -29,7 +29,8 @@ extern JNIEnv *env_ptr;
extern jclass RockboxService_class;
extern jobject RockboxService_instance;
static jobject Framebuffer_instance;
static jclass RockboxFramebuffer_class;
static jobject RockboxFramebuffer_instance;
static jmethodID java_lcd_update;
static jmethodID java_lcd_update_rect;
@ -37,46 +38,51 @@ static bool display_on;
void lcd_init_device(void)
{
/* get the RockboxFramebuffer instance allocated by the activity */
jfieldID id = (*env_ptr)->GetStaticFieldID(env_ptr,
RockboxService_class,
"fb",
"Lorg/rockbox/RockboxFramebuffer;");
Framebuffer_instance = (*env_ptr)->GetStaticObjectField(env_ptr,
RockboxService_class,
id);
jclass Framebuffer_class = (*env_ptr)->GetObjectClass(env_ptr,
Framebuffer_instance);
/* get the java init function and call it. it'll set up a bitmap
* based on LCD_WIDTH, LCD_HEIGHT and the ByteBuffer which directly maps
* our framebuffer */
jmethodID java_init_lcd = (*env_ptr)->GetMethodID(env_ptr,
Framebuffer_class,
"java_lcd_init",
"(IILjava/nio/ByteBuffer;)V");
java_lcd_update = (*env_ptr)->GetMethodID(env_ptr,
Framebuffer_class,
"java_lcd_update",
"()V");
java_lcd_update_rect = (*env_ptr)->GetMethodID(env_ptr,
Framebuffer_class,
"java_lcd_update_rect",
"(IIII)V");
JNIEnv e = *env_ptr;
RockboxFramebuffer_class = e->FindClass(env_ptr,
"org/rockbox/RockboxFramebuffer");
/* instantiate a RockboxFramebuffer instance
*
* Pass lcd width and height and our framebuffer so the java layer
* can create a Bitmap which directly maps to it
**/
/* map the framebuffer to a ByteBuffer, this way lcd updates will
* be directly feched from the framebuffer */
jobject buf = (*env_ptr)->NewDirectByteBuffer(env_ptr,
jobject buf = e->NewDirectByteBuffer(env_ptr,
lcd_framebuffer,
sizeof(lcd_framebuffer));
(*env_ptr)->CallVoidMethod(env_ptr,
Framebuffer_instance,
java_init_lcd,
LCD_WIDTH, LCD_HEIGHT, buf);
(jlong)sizeof(lcd_framebuffer));
jmethodID constructor = e->GetMethodID(env_ptr,
RockboxFramebuffer_class,
"<init>",
"(Landroid/content/Context;" /* Service */
"II" /* lcd width/height */
"Ljava/nio/ByteBuffer;)V"); /* ByteBuffer */
RockboxFramebuffer_instance = e->NewObject(env_ptr,
RockboxFramebuffer_class,
constructor,
RockboxService_instance,
(jint)LCD_WIDTH,
(jint)LCD_HEIGHT,
buf);
/* cache update functions */
java_lcd_update = (*env_ptr)->GetMethodID(env_ptr,
RockboxFramebuffer_class,
"java_lcd_update",
"()V");
java_lcd_update_rect = (*env_ptr)->GetMethodID(env_ptr,
RockboxFramebuffer_class,
"java_lcd_update_rect",
"(IIII)V");
/* at last, give RockboxService the Framebuffer instance */
jfieldID id = e->GetStaticFieldID(env_ptr, RockboxService_class,
"fb", "Lorg/rockbox/RockboxFramebuffer;");
e->SetStaticObjectField(env_ptr, RockboxService_class,
id, RockboxFramebuffer_instance);
display_on = true;
}
@ -84,14 +90,14 @@ void lcd_update(void)
{
/* tell the system we're ready for drawing */
if (display_on)
(*env_ptr)->CallVoidMethod(env_ptr, Framebuffer_instance, java_lcd_update);
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, java_lcd_update);
}
void lcd_update_rect(int x, int y, int height, int width)
{
if (display_on)
{
(*env_ptr)->CallVoidMethod(env_ptr, Framebuffer_instance, java_lcd_update_rect,
(*env_ptr)->CallVoidMethod(env_ptr, RockboxFramebuffer_instance, java_lcd_update_rect,
x, y, height, width);
}
}