Added new magic tools: Kalidescope, Glass Tile, Emboss, Metal Paint, Waves.

Began new magic tool: Flower.

magic/src/waves.c

@@ -0,0 +1,126 @@
+#include <stdio.h>
+#include <string.h>
+#include <libintl.h>
+#include <math.h>
+#include "tp_magic_api.h"
+#include "SDL_image.h"
+#include "SDL_mixer.h"
+
+
+/* Our globals: */
+
+Mix_Chunk * waves_snd;
+
+
+Uint32 waves_api_version(void) { return(TP_MAGIC_API_VERSION); }
+
+
+// No setup required:
+int waves_init(magic_api * api)
+{
+  char fname[1024];
+
+  snprintf(fname, sizeof(fname), "%s/sounds/magic/waves.wav",
+	    api->data_directory);
+  waves_snd = Mix_LoadWAV(fname);
+
+  return(1);
+}
+
+// We have multiple tools:
+int waves_get_tool_count(magic_api * api)
+{
+  return(1);
+}
+
+// Load our icons:
+SDL_Surface * waves_get_icon(magic_api * api, int which)
+{
+  char fname[1024];
+
+  snprintf(fname, sizeof(fname), "%s/images/magic/waves.png",
+	   api->data_directory);
+
+  return(IMG_Load(fname));
+}
+
+// Return our names, localized:
+char * waves_get_name(magic_api * api, int which)
+{
+  return(strdup(gettext("Waves")));
+}
+
+// Return our descriptions, localized:
+char * waves_get_description(magic_api * api, int which)
+{
+  return(strdup(gettext("Click to make the picture wavy. (Click towards the top for shorter waves; the bottom for taller waves. Click towards the left for small waves; the right for wide waves.)")));
+}
+
+
+void waves_drag(magic_api * api, int which, SDL_Surface * canvas,
+	          SDL_Surface * last, int ox, int oy, int x, int y,
+		  SDL_Rect * update_rect)
+{
+}
+
+// Affect the canvas on click:
+void waves_click(magic_api * api, int which,
+	           SDL_Surface * canvas, SDL_Surface * last,
+	           int x, int y, SDL_Rect * update_rect)
+{
+  int xx, yy;
+  SDL_Rect src, dest;
+  int offset;
+  int width;
+  int height;
+
+  offset = (y % 72); // kinda random...
+  width = ((x * 16) / canvas->w) + 16;
+  height = 10 - ((y * 5) / canvas->h);
+  
+  for (yy = 0; yy < canvas->h; yy++)
+  {
+    xx = sin(((yy + offset) * height) * M_PI / 180.0) * width;
+
+    src.x = 0;
+    src.y = yy;
+    src.w = canvas->w;
+    src.h = 1;
+
+    dest.x = xx;
+    dest.y = yy;
+
+    SDL_BlitSurface(last, &src, canvas, &dest);
+  }
+
+  update_rect->x = 0;
+  update_rect->y = 0;
+  update_rect->w = canvas->w;
+  update_rect->h = canvas->h;
+}
+
+// Affect the canvas on release:
+void waves_release(magic_api * api, int which,
+	           SDL_Surface * canvas, SDL_Surface * last,
+	           int x, int y, SDL_Rect * update_rect)
+{
+}
+
+// No setup happened:
+void waves_shutdown(magic_api * api)
+{
+  if (waves_snd != NULL)
+    Mix_FreeChunk(waves_snd);
+}
+
+// Record the color from Tux Paint:
+void waves_set_color(magic_api * api, Uint8 r, Uint8 g, Uint8 b)
+{
+}
+
+// Use colors:
+int waves_requires_colors(magic_api * api, int which)
+{
+  return 0;
+}
+