xorg: work on cursors

2 files changed, 265 insertions, 0 deletions

diff --git a/xorg/server/module/rdpClientCon.h b/xorg/server/module/rdpClientCon.h
index 592e8d31..9cbe493a 100644
--- a/xorg/server/module/rdpClientCon.h
+++ b/xorg/server/module/rdpClientCon.h
@@ -143,9 +143,19 @@ rdpClientConAddDirtyScreenBox(rdpPtr dev, rdpClientCon *clientCon,
 int
 rdpClientConAddDirtyScreen(rdpPtr dev, rdpClientCon *clientCon,
                            int x, int y, int cx, int cy);
+void
+rdpClientConGetScreenImageRect(rdpPtr dev, rdpClientCon *clientCon,
+                               struct image_data *id);
 int
 rdpClientConAddAllReg(rdpPtr dev, RegionPtr reg, DrawablePtr pDrawable);
 int
 rdpClientConAddAllBox(rdpPtr dev, BoxPtr box, DrawablePtr pDrawable);
+int
+rdpClientConSetCursor(rdpPtr dev, rdpClientCon *clientCon,
+                      short x, short y, char *cur_data, char *cur_mask);
+int
+rdpClientConSetCursorEx(rdpPtr dev, rdpClientCon *clientCon,
+                        short x, short y, char *cur_data,
+                        char *cur_mask, int bpp);
 
 #endif
diff --git a/xorg/server/module/rdpCursor.c b/xorg/server/module/rdpCursor.c
index 84a6cc81..3859e8e7 100644
--- a/xorg/server/module/rdpCursor.c
+++ b/xorg/server/module/rdpCursor.c
@@ -36,9 +36,50 @@ cursor
 #include <fb.h>
 #include <micmap.h>
 #include <mi.h>
+#include <cursor.h>
+#include <cursorstr.h>
 
 #include "rdp.h"
 #include "rdpMain.h"
+#include "rdpDraw.h"
+#include "rdpClientCon.h"
+
+/* Copied from Xvnc/lib/font/util/utilbitmap.c */
+static unsigned char g_reverse_byte[0x100] =
+{
+    0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
+    0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
+    0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
+    0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
+    0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
+    0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
+    0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
+    0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
+    0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
+    0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
+    0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
+    0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
+    0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
+    0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
+    0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
+    0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
+    0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
+    0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
+    0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
+    0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
+    0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
+    0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
+    0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
+    0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
+    0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
+    0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
+    0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
+    0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
+    0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
+    0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
+    0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
+    0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
+};
 
 /******************************************************************************/
 #define LOG_LEVEL 1
@@ -62,11 +103,225 @@ rdpSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScr, CursorPtr pCurs)
 }
 
 /******************************************************************************/
+static int
+get_pixel_safe(char *data, int x, int y, int width, int height, int bpp)
+{
+    int start;
+    int shift;
+    int c;
+    unsigned int *src32;
+
+    if (x < 0)
+    {
+        return 0;
+    }
+
+    if (y < 0)
+    {
+        return 0;
+    }
+
+    if (x >= width)
+    {
+        return 0;
+    }
+
+    if (y >= height)
+    {
+        return 0;
+    }
+
+    if (bpp == 1)
+    {
+        width = (width + 7) / 8;
+        start = (y * width) + x / 8;
+        shift = x % 8;
+        c = (unsigned char)(data[start]);
+#if (X_BYTE_ORDER == X_LITTLE_ENDIAN)
+        return (g_reverse_byte[c] & (0x80 >> shift)) != 0;
+#else
+        return (c & (0x80 >> shift)) != 0;
+#endif
+    }
+    else if (bpp == 32)
+    {
+        src32 = (unsigned int*)data;
+        return src32[y * width + x];
+    }
+
+    return 0;
+}
+
+/******************************************************************************/
+static void
+set_pixel_safe(char *data, int x, int y, int width, int height, int bpp,
+               int pixel)
+{
+    int start;
+    int shift;
+    unsigned int *dst32;
+
+    if (x < 0)
+    {
+        return;
+    }
+
+    if (y < 0)
+    {
+        return;
+    }
+
+    if (x >= width)
+    {
+        return;
+    }
+
+    if (y >= height)
+    {
+        return;
+    }
+
+    if (bpp == 1)
+    {
+        width = (width + 7) / 8;
+        start = (y * width) + x / 8;
+        shift = x % 8;
+
+        if (pixel & 1)
+        {
+            data[start] = data[start] | (0x80 >> shift);
+        }
+        else
+        {
+            data[start] = data[start] & ~(0x80 >> shift);
+        }
+    }
+    else if (bpp == 24)
+    {
+        *(data + (3 * (y * width + x)) + 0) = pixel >> 0;
+        *(data + (3 * (y * width + x)) + 1) = pixel >> 8;
+        *(data + (3 * (y * width + x)) + 2) = pixel >> 16;
+    }
+    else if (bpp == 32)
+    {
+        dst32 = (unsigned int*)data;
+        dst32[y * width + x] = pixel;
+    }
+}
+
+/******************************************************************************/
+void
+rdpSpriteSetCursorCon(rdpClientCon *clientCon,
+                      DeviceIntPtr pDev, ScreenPtr pScr, CursorPtr pCurs,
+                      int x, int y)
+{
+    char cur_data[32 * (32 * 4)];
+    char cur_mask[32 * (32 / 8)];
+    char *mask;
+    char *data;
+    int i;
+    int j;
+    int w;
+    int h;
+    int p;
+    int xhot;
+    int yhot;
+    int paddedRowBytes;
+    int fgcolor;
+    int bgcolor;
+    int bpp;
+
+    LLOGLN(10, ("rdpSpriteSetCursorCon:"));
+
+    w = pCurs->bits->width;
+    h = pCurs->bits->height;
+    if ((pCurs->bits->argb != 0) &&
+        (clientCon->client_info.pointer_flags & 1))
+    {
+        bpp = 32;
+        paddedRowBytes = PixmapBytePad(w, 32);
+        xhot = pCurs->bits->xhot;
+        yhot = pCurs->bits->yhot;
+        data = (char *)(pCurs->bits->argb);
+        memset(cur_data, 0, sizeof(cur_data));
+        memset(cur_mask, 0, sizeof(cur_mask));
+
+        for (j = 0; j < 32; j++)
+        {
+            for (i = 0; i < 32; i++)
+            {
+                p = get_pixel_safe(data, i, j, paddedRowBytes / 4, h, 32);
+                set_pixel_safe(cur_data, i, 31 - j, 32, 32, 32, p);
+            }
+        }
+    }
+    else
+    {
+        bpp = 0;
+        paddedRowBytes = PixmapBytePad(w, 1);
+        xhot = pCurs->bits->xhot;
+        yhot = pCurs->bits->yhot;
+        data = (char *)(pCurs->bits->source);
+        mask = (char *)(pCurs->bits->mask);
+        fgcolor = (((pCurs->foreRed >> 8) & 0xff) << 16) |
+                  (((pCurs->foreGreen >> 8) & 0xff) << 8) |
+                  ((pCurs->foreBlue >> 8) & 0xff);
+        bgcolor = (((pCurs->backRed >> 8) & 0xff) << 16) |
+                  (((pCurs->backGreen >> 8) & 0xff) << 8) |
+                  ((pCurs->backBlue >> 8) & 0xff);
+        memset(cur_data, 0, sizeof(cur_data));
+        memset(cur_mask, 0, sizeof(cur_mask));
+
+        for (j = 0; j < 32; j++)
+        {
+            for (i = 0; i < 32; i++)
+            {
+                p = get_pixel_safe(mask, i, j, paddedRowBytes * 8, h, 1);
+                set_pixel_safe(cur_mask, i, 31 - j, 32, 32, 1, !p);
+
+                if (p != 0)
+                {
+                    p = get_pixel_safe(data, i, j, paddedRowBytes * 8, h, 1);
+                    p = p ? fgcolor : bgcolor;
+                    set_pixel_safe(cur_data, i, 31 - j, 32, 32, 24, p);
+                }
+            }
+        }
+    }
+
+    rdpClientConBeginUpdate(clientCon->dev, clientCon);
+    rdpClientConSetCursorEx(clientCon->dev, clientCon, xhot, yhot,
+                            cur_data, cur_mask, bpp);
+    rdpClientConEndUpdate(clientCon->dev, clientCon);
+
+}
+
+/******************************************************************************/
 void
 rdpSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScr, CursorPtr pCurs,
                    int x, int y)
 {
+    rdpPtr dev;
+    rdpClientCon *clientCon;
+
     LLOGLN(10, ("rdpSpriteSetCursor:"));
+    if (pCurs == 0)
+    {
+        return;
+    }
+
+    if (pCurs->bits == 0)
+    {
+        return;
+    }
+
+    dev = rdpGetDevFromScreen(pScr);
+    clientCon = dev->clientConHead;
+    while (clientCon != NULL)
+    {
+        rdpSpriteSetCursorCon(clientCon, pDev, pScr, pCurs, x, y);
+        clientCon = clientCon->next;
+    }
 }
 
 /******************************************************************************/