// 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 "background.h"
-#include "globals.h"
+#include "background.h"
+#include "app/globals.h"
#include "camera.h"
-#include "screen/drawing_context.h"
+#include "video/drawing_context.h"
+#include "utils/lispwriter.h"
Background::Background()
: type(INVALID), image(0)
{
}
+Background::Background(LispReader& reader)
+ : type(INVALID), image(0)
+{
+ if(reader.read_string("image", imagefile)
+ && reader.read_float("speed", speed)) {
+ set_image(imagefile, speed);
+ }
+
+ std::vector <unsigned int> bkgd_top_color, bkgd_bottom_color;
+ if(reader.read_int_vector("top_color", bkgd_top_color) &&
+ reader.read_int_vector("bottom_color", bkgd_bottom_color))
+ set_gradient(Color(bkgd_top_color), Color(bkgd_bottom_color));
+}
+
Background::~Background()
{
delete image;
}
void
+Background::write(LispWriter& writer)
+{
+ if(type == INVALID)
+ return;
+
+ writer.start_list("background");
+
+ if(type == IMAGE) {
+ writer.write_string("image", imagefile);
+ writer.write_float("speed", speed);
+ } else if(type == GRADIENT) {
+ std::vector <unsigned int> bkgd_top_color, bkgd_bottom_color;
+ bkgd_top_color.push_back(gradient_top.red);
+ bkgd_top_color.push_back(gradient_top.green);
+ bkgd_top_color.push_back(gradient_top.blue);
+ bkgd_bottom_color.push_back(gradient_top.red);
+ bkgd_bottom_color.push_back(gradient_top.green);
+ bkgd_bottom_color.push_back(gradient_top.blue);
+ writer.write_int_vector("top_color", bkgd_top_color);
+ writer.write_int_vector("bottom_color", bkgd_bottom_color);
+ }
+
+ writer.end_list("background");
+}
+
+void
Background::action(float)
{
}
void
Background::set_image(const std::string& name, float speed)
{
- type = IMAGE;
+ this->type = IMAGE;
+ this->imagefile = name;
this->speed = speed;
delete image;
- image = new Surface(datadir + "/images/background/" + name, IGNORE_ALPHA);
+ image = new Surface(datadir + "/images/background/" + name, false);
}
void
type = GRADIENT;
gradient_top = top;
gradient_bottom = bottom;
+
+ delete image;
+ image = new Surface(top, bottom, screen->w, screen->h);
}
void
Background::draw(DrawingContext& context)
{
if(type == GRADIENT) {
- context.draw_gradient(gradient_top, gradient_bottom, LAYER_BACKGROUND0);
+ /* In case we are using OpenGL just draw the gradient, else (software mode)
+ use the cache. */
+ if(use_gl)
+ context.draw_gradient(gradient_top, gradient_bottom, LAYER_BACKGROUND0);
+ else
+ {
+ context.push_transform();
+ context.set_translation(Vector(0, 0));
+ context.draw_surface(image, Vector(0, 0), LAYER_BACKGROUND0);
+ context.pop_transform();
+ }
} else if(type == IMAGE) {
- int sx = int(-context.get_translation().x * float(speed/100.))
+ int sx = int(-context.get_translation().x * speed)
% image->w - image->w;
- int sy = int(-context.get_translation().y * float(speed/100.))
+ int sy = int(-context.get_translation().y * speed)
% image->h - image->h;
context.push_transform();
context.set_translation(Vector(0, 0));