1 files changed, 211 insertions, 0 deletions
diff --git a/engines/sci/gfx/drivers/null_driver.c b/engines/sci/gfx/drivers/null_driver.c
new file mode 100644
index 0000000000..e6821f56ef
--- /dev/null
+++ b/engines/sci/gfx/drivers/null_driver.c
@@ -0,0 +1,211 @@
+/***************************************************************************
+ null_driver.c Copyright (C) 2000 Christoph Reichenbach
+
+
+ This program may be modified and copied freely according to the terms of
+ the GNU general public license (GPL), as long as the above copyright
+ notice and the licensing information contained herein are preserved.
+
+ Please refer to www.gnu.org for licensing details.
+
+ This work is provided AS IS, without warranty of any kind, expressed or
+ implied, including but not limited to the warranties of merchantibility,
+ noninfringement, and fitness for a specific purpose. The author will not
+ be held liable for any damage caused by this work or derivatives of it.
+
+ By using this source code, you agree to the licensing terms as stated
+ above.
+
+
+ Please contact the maintainer for bug reports or inquiries.
+
+ Current Maintainer:
+
+    Christoph Reichenbach (CR) <jameson@linuxgames.com>
+
+***************************************************************************/
+
+#include <gfx_driver.h>
+#include <gfx_tools.h>
+
+static int debug_sleep = 0;
+static int debug_draw = 0;
+
+static int
+null_set_parameter(struct _gfx_driver *drv, char *attribute, char *value)
+{
+	printf("[GFX-NULL] Setting '%s' <- '%s'\n", attribute, value);
+
+	return GFX_OK;
+}
+
+
+
+static int
+null_init_specific(struct _gfx_driver *drv, int xfact, int yfact, int bytespp)
+{
+	printf("[GFX-NULL] Initializing specific: %dx%d, %d bytespp\n",
+		  xfact, yfact, bytespp);
+
+	drv->mode = gfx_new_mode(xfact, yfact, bytespp,
+				 0, 0, 0, 0,
+				 0, 0, 0, 0, 0, 0);
+
+	return GFX_OK;
+}
+
+
+static int
+null_init(struct _gfx_driver *drv)
+{
+	printf("[GFX-NULL] Initializing default\n");
+	return null_init_specific(drv, 1, 1, 1);
+}
+
+static void
+null_exit(struct _gfx_driver *drv)
+{
+	printf("[GFX-NULL] Exitting\n");
+}
+
+
+  /*** Drawing operations ***/
+
+static int
+null_draw_line(struct _gfx_driver *drv, point_t start, point_t end,
+	       gfx_color_t color,
+               gfx_line_mode_t line_mode, gfx_line_style_t line_style)
+{
+	if (debug_draw)
+		printf("[GFX-NULL] Line (%d,%d) -- (%d,%d)\n",
+		       GFX_PRINT_POINT(start),
+		       GFX_PRINT_POINT(end));
+	return GFX_OK;
+}
+
+static int
+null_draw_filled_rect(struct _gfx_driver *drv, rect_t rect,
+                      gfx_color_t color1, gfx_color_t color2,
+                      gfx_rectangle_fill_t shade_mode)
+{
+	if (debug_draw)
+	    printf("[GFX-NULL] Box (%d,%d)d(%d,%d)\n",
+		   GFX_PRINT_RECT(rect));
+	return GFX_OK;
+}
+
+
+  /*** Pixmap operations ***/
+
+static int
+null_register_pixmap(struct _gfx_driver *drv, gfx_pixmap_t *pxm)
+{
+	return GFX_OK;
+}
+
+static int
+null_unregister_pixmap(struct _gfx_driver *drv, gfx_pixmap_t *pxm)
+{
+	return GFX_OK;
+}
+
+static int
+null_draw_pixmap(struct _gfx_driver *drv, gfx_pixmap_t *pxm, int priority,
+                 rect_t src, rect_t dest, gfx_buffer_t buffer)
+{
+	return GFX_OK;
+}
+
+static int
+null_grab_pixmap(struct _gfx_driver *drv, rect_t src, gfx_pixmap_t *pxm,
+                 gfx_map_mask_t map)
+{
+	return GFX_OK;
+	pxm->xl = src.xl;
+	pxm->yl = src.yl;
+}
+
+
+  /*** Buffer operations ***/
+
+static int
+null_update(struct _gfx_driver *drv, rect_t src, point_t dest, gfx_buffer_t buffer)
+{
+	return GFX_OK;
+}
+
+static int
+null_set_static_buffer(struct _gfx_driver *drv, gfx_pixmap_t *pic, gfx_pixmap_t *priority)
+{
+	return GFX_OK;
+}
+
+
+  /*** Mouse pointer operations ***/
+
+
+static int
+null_set_pointer(struct _gfx_driver *drv, gfx_pixmap_t *pointer)
+{
+	return GFX_OK;
+}
+
+
+  /*** Palette operations ***/
+
+static int
+null_set_palette(struct _gfx_driver *drv, int index, byte red, byte green, byte blue)
+{
+	return GFX_OK;
+}
+
+
+  /*** Event management ***/
+
+static sci_event_t
+null_get_event(struct _gfx_driver *drv)
+{
+	sci_event_t input;
+
+	input.type = SCI_EVT_NONE;
+
+	return input;
+}
+
+
+static int
+null_usec_sleep(struct _gfx_driver *drv, long usecs)
+{
+	if (debug_sleep)
+		sciprintf("[GFX-NULL] Sleeping %ld usecs...\n", usecs);
+	return GFX_OK;
+}
+
+gfx_driver_t
+gfx_driver_null = {
+	"null",
+	"0.1",
+	SCI_GFX_DRIVER_MAGIC,
+	SCI_GFX_DRIVER_VERSION,
+	NULL,
+	0, 0,
+	GFX_CAPABILITY_WINDOWED,
+	GFX_DEBUG_POINTER | GFX_DEBUG_UPDATES | GFX_DEBUG_PIXMAPS | GFX_DEBUG_BASIC,
+	null_set_parameter,
+	null_init_specific,
+	null_init,
+	null_exit,
+	null_draw_line,
+	null_draw_filled_rect,
+	null_register_pixmap,
+	null_unregister_pixmap,
+	null_draw_pixmap,
+	null_grab_pixmap,
+	null_update,
+	null_set_static_buffer,
+	null_set_pointer,
+	null_set_palette,
+	null_get_event,
+	null_usec_sleep,
+	NULL
+};