/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2000 Artsoft Entertainment *
+* (c) 1994-2006 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
***********************************************************/
#include "system.h"
+#include "pcx.h"
#include "misc.h"
+#include "setup.h"
#if defined(TARGET_X11)
static void X11InitDisplay();
-static DrawWindow X11InitWindow();
+static DrawWindow *X11InitWindow();
-inline void X11InitVideoDisplay(void)
+static int X11DebugErrorHandler(Display *display, XErrorEvent *event)
+{
+ int x = 0;
+
+ return 1 / x; /* !!! crash program to give backtrace in gdb !!! */
+}
+
+void X11InitVideoDisplay(void)
{
/* initialize X11 video */
X11InitDisplay();
video.default_depth = XDefaultDepth(display, screen);
}
-inline void X11InitVideoBuffer(DrawBuffer *backbuffer, DrawWindow *window)
+void X11InitVideoBuffer(DrawBuffer **backbuffer, DrawWindow **window)
{
+ if (*window != NULL)
+ X11CloseWindow(*window);
+
*window = X11InitWindow();
XMapWindow(display, (*window)->drawable);
+
FlushDisplay();
/* create additional (off-screen) buffer for double-buffering */
+#if 1
+ ReCreateBitmap(backbuffer, video.width, video.height, video.depth);
+#else
*backbuffer = CreateBitmap(video.width, video.height, video.depth);
+#endif
}
static void X11InitDisplay()
Error(ERR_EXIT, "cannot connect to X server %s",
XDisplayName(options.display_name));
+ if (options.debug_x11_sync)
+ {
+ Error(ERR_WARN, "running in X11 synchronous mode (debug only)");
+
+ XSynchronize(display, True);
+ XSetErrorHandler(X11DebugErrorHandler);
+ }
+
screen = DefaultScreen(display);
visual = DefaultVisual(display, screen);
depth = DefaultDepth(display, screen);
/* got appropriate visual? */
if (depth < 8)
- {
- printf("Sorry, displays with less than 8 bits per pixel not supported.\n");
- exit(-1);
- }
+ Error(ERR_EXIT, "X11 display not supported (less than 8 bits per pixel)");
else if ((depth ==8 && visual->class != PseudoColor) ||
(depth > 8 && visual->class != TrueColor &&
visual->class != DirectColor))
- {
- printf("Sorry, cannot get appropriate visual.\n");
- exit(-1);
- }
+ Error(ERR_EXIT, "X11 display not supported (inappropriate visual)");
#endif /* !PLATFORM_MSDOS */
}
-static DrawWindow X11InitWindow()
+static DrawWindow *X11InitWindow()
{
- DrawWindow new_window = CreateBitmapStruct();
+ DrawWindow *new_window = CreateBitmapStruct();
unsigned int border_width = 4;
XGCValues gc_values;
- unsigned long gc_valuemask;
+ unsigned int gc_valuemask;
#if !defined(PLATFORM_MSDOS)
XTextProperty windowName, iconName;
Pixmap icon_pixmap, iconmask_pixmap;
unsigned int icon_width, icon_height;
int icon_hot_x, icon_hot_y;
- char icon_filename[256];
XSizeHints size_hints;
XWMHints wm_hints;
XClassHint class_hints;
char *window_name = program.window_title;
char *icon_name = program.window_title;
- long window_event_mask;
+ int window_event_mask;
Atom proto_atom = None, delete_atom = None;
#endif
int screen_width, screen_height;
int win_xpos, win_ypos;
- unsigned long pen_fg = WhitePixel(display,screen);
- unsigned long pen_bg = BlackPixel(display,screen);
+ unsigned int pen_fg = WhitePixel(display, screen);
+ unsigned int pen_bg = BlackPixel(display, screen);
const int width = video.width, height = video.height;
-
-#if 0
-#if !defined(PLATFORM_MSDOS)
- static struct IconFileInfo icon_pic =
- {
- "rocks_icon.xbm",
- "rocks_iconmask.xbm"
- };
-#endif
-#endif
+ int i;
screen_width = XDisplayWidth(display, screen);
screen_height = XDisplayHeight(display, screen);
win_xpos = (screen_width - width) / 2;
win_ypos = (screen_height - height) / 2;
+ new_window->width = width;
+ new_window->height = height;
+
new_window->drawable = XCreateSimpleWindow(display,
RootWindow(display, screen),
win_xpos, win_ypos,
XChangeProperty(display, new_window->drawable, proto_atom, XA_ATOM, 32,
PropModePrepend, (unsigned char *) &delete_atom, 1);
-#if 0
- sprintf(icon_filename, "%s/%s/%s",
- options.ro_base_directory, GRAPHICS_DIRECTORY,
- icon_pic.picture_filename);
-#endif
- XReadBitmapFile(display, new_window->drawable, program.x11_icon_filename,
- &icon_width, &icon_height,
- &icon_pixmap, &icon_hot_x, &icon_hot_y);
- if (!icon_pixmap)
- Error(ERR_EXIT, "cannot read icon bitmap file '%s'", icon_filename);
-
-#if 0
- sprintf(icon_filename, "%s/%s/%s",
- options.ro_base_directory, GRAPHICS_DIRECTORY,
- icon_pic.picturemask_filename);
-#endif
- XReadBitmapFile(display, new_window->drawable, program.x11_iconmask_filename,
- &icon_width, &icon_height,
- &iconmask_pixmap, &icon_hot_x, &icon_hot_y);
- if (!iconmask_pixmap)
- Error(ERR_EXIT, "cannot read icon bitmap file '%s'", icon_filename);
+ if (XReadBitmapFile(display, new_window->drawable,
+ getCustomImageFilename(program.x11_icon_filename),
+ &icon_width, &icon_height, &icon_pixmap,
+ &icon_hot_x, &icon_hot_y) != BitmapSuccess)
+ Error(ERR_EXIT, "cannot read icon bitmap file '%s'",
+ program.x11_icon_filename);
+
+ if (XReadBitmapFile(display, new_window->drawable,
+ getCustomImageFilename(program.x11_iconmask_filename),
+ &icon_width, &icon_height, &iconmask_pixmap,
+ &icon_hot_x, &icon_hot_y) != BitmapSuccess)
+ Error(ERR_EXIT, "cannot read icon bitmap file '%s'",
+ program.x11_iconmask_filename);
size_hints.width = size_hints.min_width = size_hints.max_width = width;
size_hints.height = size_hints.min_height = size_hints.max_height = height;
/* Select event types wanted */
window_event_mask =
ExposureMask | StructureNotifyMask | FocusChangeMask |
- ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
- PointerMotionHintMask | KeyPressMask | KeyReleaseMask;
+ ButtonPressMask | ButtonReleaseMask |
+ PointerMotionMask | PointerMotionHintMask |
+ KeyPressMask | KeyReleaseMask;
XSelectInput(display, new_window->drawable, window_event_mask);
#endif
new_window->gc =
XCreateGC(display, new_window->drawable, gc_valuemask, &gc_values);
+ /* create GCs for line drawing (black and white) */
+ for (i = 0; i < 2; i++)
+ {
+ gc_values.graphics_exposures = False;
+ gc_values.foreground = (i ? pen_fg : pen_bg);
+ gc_values.background = pen_bg;
+ gc_values.line_width = 4;
+ gc_values.line_style = LineSolid;
+ gc_values.cap_style = CapRound;
+ gc_values.join_style = JoinRound;
+
+ gc_valuemask = GCGraphicsExposures | GCForeground | GCBackground |
+ GCLineWidth | GCLineStyle | GCCapStyle | GCJoinStyle;
+ new_window->line_gc[i] =
+ XCreateGC(display, new_window->drawable, gc_valuemask, &gc_values);
+ }
+
return new_window;
}
+void X11CloseWindow(DrawWindow *window)
+{
+ if (window->drawable)
+ {
+ XUnmapWindow(display, window->drawable);
+ XDestroyWindow(display, window->drawable);
+ }
+
+ if (window->gc)
+ XFreeGC(display, window->gc);
+
+ free(window);
+}
+
+void X11ZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
+{
+#if defined(TARGET_ALLEGRO)
+ AllegroZoomBitmap(src_bitmap->drawable, dst_bitmap->drawable,
+ src_bitmap->width, src_bitmap->height,
+ dst_bitmap->width, dst_bitmap->height);
+#else
+ ZoomPixmap(display, src_bitmap->gc,
+ src_bitmap->drawable, dst_bitmap->drawable,
+ src_bitmap->width, src_bitmap->height,
+ dst_bitmap->width, dst_bitmap->height);
+#endif
+}
+
+static void SetImageDimensions(Bitmap *bitmap)
+{
+#if defined(TARGET_ALLEGRO)
+ BITMAP *allegro_bitmap = (BITMAP *)(bitmap->drawable);
+
+ bitmap->width = allegro_bitmap->w;
+ bitmap->height = allegro_bitmap->h;
+#else
+ Window root;
+ int x, y;
+ unsigned int border_width, depth;
+
+ XGetGeometry(display, bitmap->drawable, &root, &x, &y,
+ &bitmap->width, &bitmap->height, &border_width, &depth);
+#endif
+}
+
+Bitmap *X11LoadImage(char *filename)
+{
+ Bitmap *new_bitmap = CreateBitmapStruct();
+ char *error = "Read_PCX_to_Pixmap(): %s '%s'";
+ int pcx_err;
+ XGCValues clip_gc_values;
+ unsigned int clip_gc_valuemask;
+
+ pcx_err = Read_PCX_to_Pixmap(display, window->drawable, window->gc, filename,
+ &new_bitmap->drawable, &new_bitmap->clip_mask);
+ switch(pcx_err)
+ {
+ case PCX_Success:
+ break;
+ case PCX_OpenFailed:
+ SetError(error, "cannot open PCX file", filename);
+ return NULL;
+ case PCX_ReadFailed:
+ SetError(error, "cannot read PCX file", filename);
+ return NULL;
+ case PCX_FileInvalid:
+ SetError(error, "invalid PCX file", filename);
+ return NULL;
+ case PCX_NoMemory:
+ SetError(error, "not enough memory for PCX file", filename);
+ return NULL;
+ case PCX_ColorFailed:
+ SetError(error, "cannot get colors for PCX file", filename);
+ return NULL;
+ case PCX_OtherError:
+ /* this should already have called SetError() */
+ return NULL;
+ default:
+ SetError(error, "unknown error reading PCX file", filename);
+ return NULL;
+ }
+
+ if (!new_bitmap->drawable)
+ {
+ SetError("X11LoadImage(): cannot get graphics for '%s'", filename);
+ return NULL;
+ }
+
+ if (!new_bitmap->clip_mask)
+ {
+ SetError("X11LoadImage(): cannot get clipmask for '%s'", filename);
+ return NULL;
+ }
+
+ clip_gc_values.graphics_exposures = False;
+ clip_gc_values.clip_mask = new_bitmap->clip_mask;
+ clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
+ new_bitmap->stored_clip_gc = XCreateGC(display, window->drawable,
+ clip_gc_valuemask, &clip_gc_values);
+
+ /* set GraphicContext inheritated from Window */
+ new_bitmap->gc = window->gc;
+
+ /* set image width and height */
+ SetImageDimensions(new_bitmap);
+
+ return new_bitmap;
+}
+
+void X11CreateBitmapContent(Bitmap *new_bitmap,
+ int width, int height, int depth)
+{
+ Pixmap pixmap;
+
+ if ((pixmap = XCreatePixmap(display, window->drawable, width, height, depth))
+ == None)
+ Error(ERR_EXIT, "cannot create pixmap");
+
+ new_bitmap->drawable = pixmap;
+
+ if (window == NULL)
+ Error(ERR_EXIT, "Window GC needed for Bitmap -- create Window first");
+
+ new_bitmap->gc = window->gc;
+
+ new_bitmap->line_gc[0] = window->line_gc[0];
+ new_bitmap->line_gc[1] = window->line_gc[1];
+}
+
+void X11FreeBitmapPointers(Bitmap *bitmap)
+{
+ /* The X11 version seems to have a memory leak here -- although
+ "XFreePixmap()" is called, the corresponding memory seems not
+ to be freed (according to "ps"). The SDL version apparently
+ does not have this problem. */
+
+ if (bitmap->drawable)
+ XFreePixmap(display, bitmap->drawable);
+ if (bitmap->clip_mask)
+ XFreePixmap(display, bitmap->clip_mask);
+ if (bitmap->stored_clip_gc)
+ XFreeGC(display, bitmap->stored_clip_gc);
+ /* the other GCs are only pointers to GCs used elsewhere */
+ bitmap->drawable = None;
+ bitmap->clip_mask = None;
+ bitmap->stored_clip_gc = None;
+}
+
+void X11CopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y, int mask_mode)
+{
+ XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
+ (mask_mode == BLIT_MASKED ? src_bitmap->clip_gc : dst_bitmap->gc),
+ src_x, src_y, width, height, dst_x, dst_y);
+}
+
+void X11FillRectangle(Bitmap *bitmap, int x, int y,
+ int width, int height, Pixel color)
+{
+ XSetForeground(display, bitmap->gc, color);
+ XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
+}
+
+void X11FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+ int fade_mode, int fade_delay, int post_delay,
+ void (*draw_border_function)(void))
+{
+ /* fading currently not supported -- simply copy backbuffer to screen */
+
+ if (fade_mode == FADE_MODE_FADE_OUT)
+ X11FillRectangle(backbuffer, x, y, width, height, BLACK_PIXEL);
+
+ if (draw_border_function != NULL)
+ draw_border_function();
+
+ X11CopyArea(backbuffer, window, x, y, width, height, x, y, BLIT_OPAQUE);
+
+ /* as we currently cannot use the fade delay, also do not use post delay */
+}
+
+void X11DrawSimpleLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y, Pixel color)
+{
+ XSetForeground(display, bitmap->gc, color);
+ XDrawLine(display, bitmap->drawable, bitmap->gc, from_x, from_y, to_x, to_y);
+}
+
+Pixel X11GetPixel(Bitmap *bitmap, int x, int y)
+{
+ XImage *pixel_image;
+ Pixel pixel_value;
+
+ pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
+ AllPlanes, ZPixmap);
+ pixel_value = XGetPixel(pixel_image, 0, 0);
+
+ X11DestroyImage(pixel_image);
+
+ return pixel_value;
+}
+
+#if defined(TARGET_X11_NATIVE)
+Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
+ unsigned int color_b)
+{
+ XColor xcolor;
+ Pixel pixel;
+
+ xcolor.flags = DoRed | DoGreen | DoBlue;
+ xcolor.red = (color_r << 8);
+ xcolor.green = (color_g << 8);
+ xcolor.blue = (color_b << 8);
+
+ XAllocColor(display, cmap, &xcolor);
+ pixel = xcolor.pixel;
+
+ return pixel;
+}
+#endif /* TARGET_X11_NATIVE */
+
+void X11DestroyImage(XImage *ximage)
+{
+#if defined(TARGET_X11_NATIVE)
+ /* this seems to be needed for OS/2, but does not hurt on other platforms */
+ if (ximage->data != NULL)
+ {
+ free(ximage->data);
+ ximage->data = NULL;
+ }
+#endif /* TARGET_X11_NATIVE */
+
+ XDestroyImage(ximage);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* mouse pointer functions */
+/* ------------------------------------------------------------------------- */
+
+#if defined(TARGET_X11_NATIVE)
+
+static Cursor create_cursor(struct MouseCursorInfo *cursor_info)
+{
+ Pixmap pixmap_data, pixmap_mask;
+ XColor color_fg, color_bg;
+ Cursor cursor;
+
+ /* shape and mask are single plane pixmaps */
+ pixmap_data =
+ XCreatePixmapFromBitmapData(display, window->drawable, cursor_info->data,
+ cursor_info->width, cursor_info->height,
+ 1, 0, 1);
+ pixmap_mask =
+ XCreatePixmapFromBitmapData(display, window->drawable, cursor_info->mask,
+ cursor_info->width, cursor_info->height,
+ 1, 0, 1);
+
+ XParseColor(display, cmap, "black", &color_fg);
+ XParseColor(display, cmap, "white", &color_bg);
+
+ cursor = XCreatePixmapCursor(display, pixmap_data, pixmap_mask,
+ &color_fg, &color_bg,
+ cursor_info->hot_x, cursor_info->hot_y);
+
+ return cursor;
+}
+
+void X11SetMouseCursor(struct MouseCursorInfo *cursor_info)
+{
+ static struct MouseCursorInfo *last_cursor_info = NULL;
+ static Cursor cursor_default = None;
+ static Cursor cursor_current = None;
+
+ if (cursor_info != NULL && cursor_info != last_cursor_info)
+ {
+ cursor_current = create_cursor(cursor_info);
+ last_cursor_info = cursor_info;
+ }
+
+ XDefineCursor(display, window->drawable,
+ cursor_info ? cursor_current : cursor_default);
+}
+#endif /* TARGET_X11_NATIVE */
+
#endif /* TARGET_X11 */
projects / rocksndiamonds.git / blobdiff