X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=lib%2Fvideo%2Fdrawing_context.cpp;h=6257b9fbcbb185b34863c763144fab4ecd983c63;hb=8e0bad9f82ccbc811a18edd7ce6c6f69c5bca082;hp=c7718c5f741b59f943e5fd07bb5b2fcddfb42d23;hpb=8a2c96eedfa91dc2f791c90f85697d3a3fe2a268;p=supertux.git

diff --git a/lib/video/drawing_context.cpp b/lib/video/drawing_context.cpp
index c7718c5f7..6257b9fbc 100644
--- a/lib/video/drawing_context.cpp
+++ b/lib/video/drawing_context.cpp
@@ -16,22 +16,21 @@
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#include <config.h>
+
 #include <algorithm>
 #include <cassert>
 #include <iostream>
 
-#include "../video/drawing_context.h"
-#include "../video/surface.h"
-#include "../app/globals.h"
-#include "../video/font.h"
+#include "drawing_context.h"
+#include "surface.h"
+#include "app/globals.h"
+#include "font.h"
 
 using namespace SuperTux;
 
 DrawingContext::DrawingContext()
 {
-transform.draw_effect = NONE_EFFECT;
-transform.zoom = 1;
-transform.alpha = 255;
 }
 
 DrawingContext::~DrawingContext()
@@ -40,77 +39,110 @@ DrawingContext::~DrawingContext()
 
 void
 DrawingContext::draw_surface(const Surface* surface, const Vector& position,
-    int layer, Uint32 drawing_effect)
+    int layer, uint32_t drawing_effect)
 {
   assert(surface != 0);
   
   DrawingRequest request;
 
   request.type = SURFACE;
-  request.layer = layer;
-  request.request_data = const_cast<Surface*> (surface);
   request.pos = transform.apply(position);
-  request.drawing_effect = drawing_effect;
-  request.drawing_effect = transform.draw_effect | drawing_effect;
+
+  if(request.pos.x >= screen->w || request.pos.y >= screen->h
+      || request.pos.x + surface->w < 0 || request.pos.y + surface->h < 0)
+    return;
+
+  request.layer = layer;
+  request.drawing_effect = transform.drawing_effect | drawing_effect;
   request.zoom = transform.zoom;
   request.alpha = transform.alpha;
+  request.request_data = const_cast<Surface*> (surface);  
 
   drawingrequests.push_back(request);
 }
 
 void
 DrawingContext::draw_surface_part(const Surface* surface, const Vector& source,
-    const Vector& size, const Vector& dest, int layer, Uint32 drawing_effect)
+    const Vector& size, const Vector& dest, int layer, uint32_t drawing_effect)
 {
   assert(surface != 0);
 
   DrawingRequest request;
 
   request.type = SURFACE_PART;
-  request.layer = layer;
   request.pos = transform.apply(dest);
-  request.drawing_effect = drawing_effect;
+  request.layer = layer;
+  request.drawing_effect = transform.drawing_effect | drawing_effect;
   request.alpha = transform.alpha;
   
   SurfacePartRequest* surfacepartrequest = new SurfacePartRequest();
   surfacepartrequest->size = size;
   surfacepartrequest->source = source;
   surfacepartrequest->surface = surface;
+
+  // clip on screen borders
+  if(request.pos.x < 0) {
+    surfacepartrequest->size.x += request.pos.x;
+    if(surfacepartrequest->size.x <= 0)
+      return;
+    surfacepartrequest->source.x -= request.pos.x;
+    request.pos.x = 0;
+  }
+  if(request.pos.y < 0) {
+    surfacepartrequest->size.y += request.pos.y;
+    if(surfacepartrequest->size.y <= 0)
+      return;
+    surfacepartrequest->source.y -= request.pos.y;
+    request.pos.y = 0;
+  }
   request.request_data = surfacepartrequest;
 
   drawingrequests.push_back(request);
 }
 
 void
-DrawingContext::draw_text(Font* font, const std::string& text,
-    const Vector& position, int allignment, int layer,
-    Uint32 drawing_effect)
+DrawingContext::draw_text(const Font* font, const std::string& text,
+    const Vector& position, FontAlignment alignment, int layer,
+    uint32_t drawing_effect)
 {
   DrawingRequest request;
 
   request.type = TEXT;
-  request.layer = layer;
   request.pos = transform.apply(position);
-  request.drawing_effect = drawing_effect;
+  request.layer = layer;
+  request.drawing_effect = transform.drawing_effect | drawing_effect;
+  request.zoom = transform.zoom;
   request.alpha = transform.alpha;
 
   TextRequest* textrequest = new TextRequest;
   textrequest->font = font;
   textrequest->text = text;
-  textrequest->allignment = allignment;
+  textrequest->alignment = alignment;
   request.request_data = textrequest;
 
   drawingrequests.push_back(request);
 }
 
 void
+DrawingContext::draw_center_text(const Font* font, const std::string& text,
+    const Vector& position, int layer, uint32_t drawing_effect)
+{
+  draw_text(font, text, Vector(position.x + screen->w/2, position.y),
+      CENTER_ALLIGN, layer, drawing_effect);
+}
+
+void
 DrawingContext::draw_gradient(Color top, Color bottom, int layer)
 {
   DrawingRequest request;
 
   request.type = GRADIENT;
-  request.layer = layer;
   request.pos = Vector(0,0);
+  request.layer = layer;
+
+  request.drawing_effect = transform.drawing_effect;
+  request.zoom = transform.zoom;
+  request.alpha = transform.alpha;
 
   GradientRequest* gradientrequest = new GradientRequest;
   gradientrequest->top = top;
@@ -127,8 +159,12 @@ DrawingContext::draw_filled_rect(const Vector& topleft, const Vector& size,
   DrawingRequest request;
 
   request.type = FILLRECT;
-  request.layer = layer;
   request.pos = transform.apply(topleft);
+  request.layer = layer;
+
+  request.drawing_effect = transform.drawing_effect;
+  request.zoom = transform.zoom;
+  request.alpha = transform.alpha;                    
 
   FillRectRequest* fillrectrequest = new FillRectRequest;
   fillrectrequest->size = size;
@@ -204,7 +240,8 @@ DrawingContext::draw_text(DrawingRequest& request)
 {
   TextRequest* textrequest = (TextRequest*) request.request_data;
 
-  textrequest->font->draw(textrequest->text, request.pos, textrequest->allignment, request.drawing_effect, request.alpha);
+  textrequest->font->draw(textrequest->text, request.pos,
+      textrequest->alignment, request.drawing_effect, request.alpha);
 
   delete textrequest;
 }
@@ -345,7 +382,7 @@ DrawingContext::pop_transform()
 void
 DrawingContext::set_drawing_effect(int effect)
 {
-  transform.draw_effect = effect;
+  transform.drawing_effect = effect;
 }
 
 void