add mouse cursor code

svn-id: r11015

queen/display.cpp

@@ -275,7 +275,7 @@ void Display::palFadeIn(int start, int end, uint16 roomNum) {
 		}
 	}
 	_pals.dirtyMin = 0;
-	_pals.dirtyMax = (roomNum >= 114) ? 255 : 223;
+	_pals.dirtyMax = 255; // (roomNum >= 114) ? 255 : 223; // FIXME: only for tests
 	_pals.scrollable = true;
 }
 
@@ -825,6 +825,30 @@ void Display::waitForTimer() {
 }
 
 
+void Display::mouseCursorInit(uint8 *buf, uint16 w, uint16 h, uint16 xhs, uint16 yhs) {
+
+	// change transparency color match the one expected by the backend (0xFF)
+	uint16 size = w * h;
+	uint8 *p = buf;
+	while (size--) {
+		if (*p == 255) {
+			*p = 223;
+		}
+		else if (*p == 0) {
+			*p = 255;
+		}
+		++p;
+	}
+	_system->set_mouse_cursor(buf, w, h, xhs, yhs);
+}
+
+
+void Display::mouseCursorShow(bool show) {
+
+	_system->show_mouse(show);
+}
+
+
 
 const uint8 TextRenderer::FONT[] = {
 	0xF8, 0xB0, 0xB0, 0x80, 0xB0, 0xB0, 0xC0, 0x00, 0xF8, 0xB0, 

queen/display.h

@@ -104,6 +104,8 @@ public:
 	void handleTimer();
 	void waitForTimer();
 
+	void mouseCursorInit(uint8* buf, uint16 w, uint16 h, uint16 xhs, uint16 yhs);
+	void mouseCursorShow(bool show);
 
 private:
 
@@ -140,6 +142,8 @@ private:
 
 	bool _gotTick;
 
+	uint8 _mouseCursor[14 * 14];
+
 	Dynalum _dynalum;
 	OSystem *_system;
 

queen/graphics.cpp

@@ -138,6 +138,9 @@ void Graphics::bobSetupControl() {
 	bankUnpack(3, 3, 17); // Up arrow dialogue
 	bankUnpack(4, 4, 17); // Down arrow dialogue
 	bankErase(17);
+
+	BobFrame *bf = &_frames[1];
+	_display->mouseCursorInit(bf->data, bf->width, bf->height, bf->xhotspot, bf->yhotspot);
 }