From d95ce956ee63fcd3eca91d26dd29c85c1928e541 Mon Sep 17 00:00:00 2001
From: Matthew Allum <mallum@openedhand.com>
Date: Wed, 13 Apr 2005 17:39:40 +0000
Subject: [PATCH] another random rejig commit

---
 Makefile               |  39 -----------
 clutter/cltr-scratch.c | 143 +++++++++++++++++++++++++++++++++++++++++
 clutter/cltr-scratch.h |  14 ++++
 3 files changed, 157 insertions(+), 39 deletions(-)
 delete mode 100644 Makefile
 create mode 100644 clutter/cltr-scratch.c
 create mode 100644 clutter/cltr-scratch.h

diff --git a/Makefile b/Makefile
deleted file mode 100644
index aaa5dc56d..000000000
--- a/Makefile
+++ /dev/null
@@ -1,39 +0,0 @@
-LIBS=-lpng -lGL -ljpeg -L/usr/X11R6/lib -lX11 `pkg-config --libs pangoft2 pango glib-2.0 gthread-2.0`
-CFLAGS=`pkg-config --cflags pangoft2 pango glib-2.0 gthread-2.0`
-
-.c.o:
-	$(CC) -g -Wall $(CFLAGS) $(INCS) -c $*.c
-
-OBJS=cltr.o pixbuf.o util.o fonts.o \
-     cltr-core.o                    \
-     cltr-glu.o                     \
-     cltr-texture.o                 \
-     cltr-widget.o                  \
-     cltr-events.o	            \
-     cltr-window.o                  \
-     cltr-photo-grid.o  	    \
-     cltr-list.o         	    \
-     cltr-scratch.o
-
-# cltr-photo-grid.o
-
-clutter: $(OBJS)
-	$(CC) -g -Wall -o $@ $(OBJS) $(LIBS)
-
-$(OBJS): pixbuf.h util.h fonts.h \
-         cltr.h                  \
-         cltr-private.h          \
-         cltr-glu.h              \
-	 cltr-events.h           \
-         cltr-texture.h          \
-         cltr-widget.h           \
-         cltr-window.h           \
-         cltr-photo-grid.h       \
-         cltr-list.h             \
-         cltr-scratch.h
-
-#cltr-photo-grid.h
-
-
-clean:
-	rm -fr *.o clutter test
diff --git a/clutter/cltr-scratch.c b/clutter/cltr-scratch.c
new file mode 100644
index 000000000..d0ead1c5a
--- /dev/null
+++ b/clutter/cltr-scratch.c
@@ -0,0 +1,143 @@
+#include "cltr-scratch.h"
+#include "cltr-private.h"
+
+struct CltrScratch
+{
+  CltrWidget   widget;  
+
+  Pixbuf      *pixb;
+  CltrTexture *tex;
+};
+
+static void
+cltr_scratch_show(CltrWidget *widget);
+
+static gboolean 
+cltr_scratch_handle_xevent (CltrWidget *widget, XEvent *xev);
+
+static void
+cltr_scratch_paint(CltrWidget *widget);
+
+
+CltrWidget*
+cltr_scratch_new(int width, int height)
+{
+  CltrScratch *scratch;
+  ClutterFont  *font;
+  PixbufPixel   pixel = { 255, 255, 255, 100 };
+
+  scratch = g_malloc0(sizeof(CltrScratch));
+  
+  scratch->widget.width          = width;
+  scratch->widget.height         = height;
+  
+  scratch->widget.show           = cltr_scratch_show;
+  scratch->widget.paint          = cltr_scratch_paint;
+  
+  scratch->widget.xevent_handler = cltr_scratch_handle_xevent;
+
+  scratch->pixb = pixbuf_new(width, height);
+
+  pixel_set_vals(&pixel, 0, 0, 0, 255);
+
+  pixbuf_fill_rect(scratch->pixb, 0, 0, width, height, &pixel);
+
+  font = font_new ("Sans Bold 72");
+
+  pixel_set_vals(&pixel, 255, 255, 255, 255);
+
+  font_draw(font, scratch->pixb, "Hello", 0, 0, &pixel);  
+
+  scratch->tex = cltr_texture_new(scratch->pixb);
+
+  return CLTR_WIDGET(scratch);
+}
+
+static void
+cltr_scratch_show(CltrWidget *widget)
+{
+  cltr_widget_queue_paint(widget);
+}
+
+static gboolean 
+cltr_scratch_handle_xevent (CltrWidget *widget, XEvent *xev) 
+{
+
+  return TRUE;
+}
+
+static void
+cltr_scratch_paint(CltrWidget *widget)
+{
+  CltrScratch *scratch = CLTR_SCRATCH(widget);
+
+  int times = 100, num = 0;
+  int spost = 0;
+  float alphainc = 0.9f / times;
+  float alpha = 0.1f;
+
+  glPushMatrix();
+
+  glEnable(GL_TEXTURE_2D);
+  glDisable(GL_DEPTH_TEST);
+  glDisable(GL_LIGHTING); 
+
+  glBlendFunc(GL_SRC_ALPHA,GL_ONE);
+  glEnable(GL_BLEND);
+
+
+  /*
+  glEnable(GL_BLEND);
+
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  */
+
+  for (num = 0;num < times;num++)
+    {
+      glColor4f(1.0f, 1.0f, 1.0f, alpha);
+      cltr_texture_render_to_gl_quad(scratch->tex,
+				     widget->x - spost,
+				     widget->y - spost,
+				     widget->x + widget->width + spost,
+				     widget->y + widget->height + spost);
+      spost += 2;
+      alpha = alpha - alphainc;
+    }
+
+  glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
+
+  cltr_texture_render_to_gl_quad(scratch->tex,
+				 widget->x,
+				 widget->y,
+				 widget->x + widget->width ,
+				 widget->y + widget->height);
+
+
+  glDisable(GL_BLEND);
+
+  glPopMatrix();
+}
+
+
+static void
+cltr_scratch_paint_old(CltrWidget *widget)
+{
+  glPushMatrix();
+
+  CLTR_MARK();
+
+  glEnable(GL_BLEND);
+
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+  glColor4ub(100, 200, 50, 100);  
+
+  glRecti(widget->x, widget->y, 
+	  widget->x + widget->width, 
+	  widget->y + widget->height);
+
+
+  glDisable(GL_BLEND);
+
+  glPopMatrix();
+}
diff --git a/clutter/cltr-scratch.h b/clutter/cltr-scratch.h
new file mode 100644
index 000000000..f9b6de993
--- /dev/null
+++ b/clutter/cltr-scratch.h
@@ -0,0 +1,14 @@
+#ifndef _HAVE_CLTR_SCRATCH_H
+#define _HAVE_CLTR_SCRATCH_H
+
+#include "cltr.h"
+
+typedef struct CltrScratch CltrScratch;
+
+#define CLTR_SCRATCH(w) ((CltrScratch*)(w))
+
+CltrWidget*
+cltr_scratch_new(int width, int height);
+
+
+#endif