void TextButton::init_vram( const void* source, u16*& vram_dest )
{
vram_dest = oamAllocateGfx( this->get_oam(), this->sprite_size, SpriteColorFormat_Bmp );
DC_FlushRange( source, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
dmaCopy( source, vram_dest, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
set_16bpp_sprite_opague( vram_dest, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
}
u16* oamAllocateGfx(OamState *oam, SpriteSize size, SpriteColorFormat colorFormat)
{
int bytes = SPRITE_SIZE_PIXELS(size);
if(colorFormat == SpriteColorFormat_16Color)
bytes = bytes >> 1;
else if(colorFormat == SpriteColorFormat_Bmp)
void TextButton::init_text_layer( FreetypeRenderer& freetype_renderer )
{
if( this->text.length() && this->owns_text_vram )
{
// allocate VRAM for 8bpp text layer
this->text_vram = oamAllocateGfx( this->get_oam(), this->text_sprite_size, SpriteColorFormat_256Color );
RenderScreenBuffer button_text( this->text_width, this->text_height );
RenderStyle render_style;
render_style.center_x = true;
freetype_renderer.render( button_text, this->text,
this->face, this->font_size, 0, 1, &render_style );
// convert 8bpp sprite data for use in 16bpp mode
// FIXME: currently needs ram buffering, as vram supports 16bit operations only
u8 conversion_buffer[ SPRITE_SIZE_PIXELS(this->text_sprite_size) ];
tile_8bpp_sprite( (u8*)(button_text.base_address), conversion_buffer, this->text_width, this->text_height );
//DC_FlushRange( conversion_buffer, SPRITE_SIZE_PIXELS(this->sprite_size)*1 );
//dmaCopy( conversion_buffer, this->text_vram, SPRITE_SIZE_PIXELS(this->sprite_size)*1 );
memcpy( this->text_vram, conversion_buffer, SPRITE_SIZE_PIXELS(this->text_sprite_size)*1 );
}
}
void TextButton::update_vram(const void* source, u16* vram_dest)
{
DC_FlushRange( source, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
dmaCopy( source, vram_dest, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
set_16bpp_sprite_opague( vram_dest, SPRITE_SIZE_PIXELS(this->sprite_size)*2 );
}
