gfxSurface_p Surface_New(uint16_t width, uint16_t heigth) {
const uint8_t bitsDepth = 4;
uint16_t i;
gfxSurface_p surface = malloc(sizeof(gfxSurface_t));
if (surface) {
memset(surface, 0, sizeof(gfxSurface_t));
surface->bytesPerLine = width*8/bitsDepth + width%2;
surface->line = malloc(heigth*sizeof(*surface->line));
if (surface->line) {
memset(surface->line, 0, heigth*sizeof(*surface->line));
for (i = 0; i < heigth; i++) {
surface->line[i] = malloc(surface->bytesPerLine);
if (!surface->line[i])
break;
}
if (i != heigth) {
Surface_Delete(surface);
return NULL;
}
surface->width = width;
surface->heigth = heigth;
} else {
free(surface);
surface = NULL;
}
}
return surface;
}
static void LCUIDisplay_CleanSurfaces( void )
{
SurfaceRecord *sr;
LinkedListNode *node;
for( LinkedList_Each( node, &display.surfaces ) ) {
sr = node->data;
Surface_Delete( sr->surface );
LinkedList_DeleteNode( &display.surfaces, node );
}
}
/** 解除 widget 与 sruface 的绑定 */
static void LCUIDisplay_UnbindSurface( LCUI_Widget widget )
{
SurfaceRecord *sr;
LinkedListNode *node;
for( LinkedList_Each( node, &display.surfaces ) ) {
sr = node->data;
if( sr && sr->widget == widget ) {
Surface_Delete( sr->surface );
LinkedList_DeleteNode( &display.surfaces, node );
break;
}
}
}
static void LCUIDisplay_CleanSurfaces( void )
{
int i, n;
SurfaceRecord *p_sr;
n = LinkedList_GetTotal( &display.surfaces );
for( i=0; i<n; ++i ) {
LinkedList_Goto( &display.surfaces, 0 );
p_sr = (SurfaceRecord*)
LinkedList_Get( &display.surfaces );
Surface_Delete( p_sr->surface );
LinkedList_Delete( &display.surfaces );
}
}
/** 解除 widget 与 sruface 的绑定 */
static void LCUIDisplay_UnbindSurface( LCUI_Widget widget )
{
int i, n;
SurfaceRecord *p_sr;
n = LinkedList_GetTotal( &display.surfaces );
for( i=0; i<n; ++i ) {
LinkedList_Goto( &display.surfaces, i );
p_sr = (SurfaceRecord*)
LinkedList_Get( &display.surfaces );
if( p_sr->widget != widget ) {
continue;
}
Surface_Delete( p_sr->surface );
LinkedList_Delete( &display.surfaces );
break;
}
}
void Surface_SetGenericSurface(gfxSurface_p srf) {
if (s_genericSurface)
Surface_Delete(s_genericSurface);
s_genericSurface = srf;
}
