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/* |
/* |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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Cache routines |
Cache routines |
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Copyright (C) Matthew Chapman 1999-2000 |
Copyright (C) Matthew Chapman 1999-2001 |
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This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
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static HBITMAP bmpcache[3][600]; |
static HBITMAP bmpcache[3][600]; |
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|
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/* Retrieve a bitmap from the cache */ |
/* Retrieve a bitmap from the cache */ |
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HBITMAP cache_get_bitmap(uint8 cache_id, uint16 cache_idx) |
HBITMAP |
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cache_get_bitmap(uint8 cache_id, uint16 cache_idx) |
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{ |
{ |
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HBITMAP bitmap; |
HBITMAP bitmap; |
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|
|
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if ((cache_id < NUM_ELEMENTS(bmpcache)) |
if ((cache_id < NUM_ELEMENTS(bmpcache)) |
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&& (cache_idx < NUM_ELEMENTS(bmpcache[0]))) |
&& (cache_idx < NUM_ELEMENTS(bmpcache[0]))) |
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{ |
{ |
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bitmap = bmpcache[cache_id][cache_idx]; |
bitmap = bmpcache[cache_id][cache_idx]; |
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if (bitmap != NULL) |
if (bitmap != NULL) |
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return bitmap; |
return bitmap; |
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} |
} |
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|
|
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ERROR("get bitmap %d:%d\n", cache_id, cache_idx); |
error("get bitmap %d:%d\n", cache_id, cache_idx); |
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return NULL; |
return NULL; |
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} |
} |
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|
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/* Store a bitmap in the cache */ |
/* Store a bitmap in the cache */ |
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void cache_put_bitmap(uint8 cache_id, uint16 cache_idx, HBITMAP bitmap) |
void |
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cache_put_bitmap(uint8 cache_id, uint16 cache_idx, HBITMAP bitmap) |
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{ |
{ |
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HBITMAP old; |
HBITMAP old; |
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|
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if ((cache_id < NUM_ELEMENTS(bmpcache)) |
if ((cache_id < NUM_ELEMENTS(bmpcache)) |
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&& (cache_idx < NUM_ELEMENTS(bmpcache[0]))) |
&& (cache_idx < NUM_ELEMENTS(bmpcache[0]))) |
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{ |
{ |
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old = bmpcache[cache_id][cache_idx]; |
old = bmpcache[cache_id][cache_idx]; |
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if (old != NULL) |
if (old != NULL) |
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} |
} |
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else |
else |
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{ |
{ |
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ERROR("put bitmap %d:%d\n", cache_id, cache_idx); |
error("put bitmap %d:%d\n", cache_id, cache_idx); |
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} |
} |
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} |
} |
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|
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static FONTGLYPH fontcache[12][256]; |
static FONTGLYPH fontcache[12][256]; |
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|
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/* Retrieve a glyph from the font cache */ |
/* Retrieve a glyph from the font cache */ |
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FONTGLYPH *cache_get_font(uint8 font, uint16 character) |
FONTGLYPH * |
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cache_get_font(uint8 font, uint16 character) |
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{ |
{ |
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FONTGLYPH *glyph; |
FONTGLYPH *glyph; |
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|
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if ((font < NUM_ELEMENTS(fontcache)) |
if ((font < NUM_ELEMENTS(fontcache)) |
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&& (character < NUM_ELEMENTS(fontcache[0]))) |
&& (character < NUM_ELEMENTS(fontcache[0]))) |
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{ |
{ |
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glyph = &fontcache[font][character]; |
glyph = &fontcache[font][character]; |
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if (glyph->pixmap != NULL) |
if (glyph->pixmap != NULL) |
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return glyph; |
return glyph; |
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} |
} |
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|
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ERROR("get font %d:%d\n", font, character); |
error("get font %d:%d\n", font, character); |
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return NULL; |
return NULL; |
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} |
} |
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|
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/* Store a glyph in the font cache */ |
/* Store a glyph in the font cache */ |
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void cache_put_font(uint8 font, uint32 character, uint16 baseline, |
void |
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uint16 width, uint16 height, HGLYPH pixmap) |
cache_put_font(uint8 font, uint16 character, uint16 offset, |
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uint16 baseline, uint16 width, uint16 height, HGLYPH pixmap) |
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{ |
{ |
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FONTGLYPH *glyph; |
FONTGLYPH *glyph; |
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|
|
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if ((font < NUM_ELEMENTS(fontcache)) |
if ((font < NUM_ELEMENTS(fontcache)) |
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&& (character < NUM_ELEMENTS(fontcache[0]))) |
&& (character < NUM_ELEMENTS(fontcache[0]))) |
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{ |
{ |
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glyph = &fontcache[font][character]; |
glyph = &fontcache[font][character]; |
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if (glyph->pixmap != NULL) |
if (glyph->pixmap != NULL) |
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ui_destroy_glyph(glyph->pixmap); |
ui_destroy_glyph(glyph->pixmap); |
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|
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glyph->offset = offset; |
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glyph->baseline = baseline; |
glyph->baseline = baseline; |
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glyph->width = width; |
glyph->width = width; |
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glyph->height = height; |
glyph->height = height; |
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} |
} |
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else |
else |
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{ |
{ |
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ERROR("put font %d:%d\n", font, character); |
error("put font %d:%d\n", font, character); |
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} |
} |
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} |
} |
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static DATABLOB textcache[256]; |
static DATABLOB textcache[256]; |
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|
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/* Retrieve a text item from the cache */ |
/* Retrieve a text item from the cache */ |
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DATABLOB *cache_get_text(uint8 cache_id) |
DATABLOB * |
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cache_get_text(uint8 cache_id) |
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{ |
{ |
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DATABLOB *text; |
DATABLOB *text; |
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|
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return text; |
return text; |
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} |
} |
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|
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ERROR("get text %d\n", cache_id); |
error("get text %d\n", cache_id); |
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return NULL; |
return NULL; |
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} |
} |
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|
|
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/* Store a text item in the cache */ |
/* Store a text item in the cache */ |
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void cache_put_text(uint8 cache_id, void *data, int length) |
void |
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cache_put_text(uint8 cache_id, void *data, int length) |
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{ |
{ |
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DATABLOB *text; |
DATABLOB *text; |
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|
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} |
} |
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else |
else |
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{ |
{ |
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ERROR("put text %d\n", cache_id); |
error("put text %d\n", cache_id); |
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} |
} |
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} |
} |
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/* DESKTOP CACHE */ |
/* DESKTOP CACHE */ |
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static uint8 deskcache[0x38400]; |
static uint8 deskcache[0x38400 * 4]; |
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|
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/* Retrieve desktop data from the cache */ |
/* Retrieve desktop data from the cache */ |
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uint8 *cache_get_desktop(uint32 offset, uint32 length) |
uint8 * |
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cache_get_desktop(uint32 offset, int cx, int cy, int bytes_per_pixel) |
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{ |
{ |
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int length = cx * cy * bytes_per_pixel; |
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|
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if ((offset + length) <= sizeof(deskcache)) |
if ((offset + length) <= sizeof(deskcache)) |
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{ |
{ |
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return &deskcache[offset]; |
return &deskcache[offset]; |
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} |
} |
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|
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ERROR("get desktop %d:%d\n", offset, length); |
error("get desktop %d:%d\n", offset, length); |
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return NULL; |
return NULL; |
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} |
} |
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|
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/* Store desktop data in the cache */ |
/* Store desktop data in the cache */ |
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void cache_put_desktop(uint32 offset, uint32 length, uint8 *data) |
void |
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cache_put_desktop(uint32 offset, int cx, int cy, int scanline, |
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int bytes_per_pixel, uint8 * data) |
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{ |
{ |
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int length = cx * cy * bytes_per_pixel; |
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|
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if ((offset + length) <= sizeof(deskcache)) |
if ((offset + length) <= sizeof(deskcache)) |
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{ |
{ |
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memcpy(&deskcache[offset], data, length); |
cx *= bytes_per_pixel; |
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while (cy--) |
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{ |
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memcpy(&deskcache[offset], data, cx); |
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data += scanline; |
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offset += cx; |
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} |
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} |
} |
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else |
else |
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{ |
{ |
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ERROR("put desktop %d:%d\n", offset, length); |
error("put desktop %d:%d\n", offset, length); |
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} |
} |
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} |
} |
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/* CURSOR CACHE */ |
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static HCURSOR cursorcache[0x20]; |
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/* Retrieve cursor from cache */ |
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HCURSOR |
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cache_get_cursor(uint16 cache_idx) |
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{ |
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HCURSOR cursor; |
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if (cache_idx < NUM_ELEMENTS(cursorcache)) |
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{ |
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cursor = cursorcache[cache_idx]; |
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if (cursor != NULL) |
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return cursor; |
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} |
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error("get cursor %d\n", cache_idx); |
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return NULL; |
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} |
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/* Store cursor in cache */ |
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void |
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cache_put_cursor(uint16 cache_idx, HCURSOR cursor) |
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{ |
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HCURSOR old; |
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if (cache_idx < NUM_ELEMENTS(cursorcache)) |
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{ |
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old = cursorcache[cache_idx]; |
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if (old != NULL) |
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ui_destroy_cursor(old); |
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cursorcache[cache_idx] = cursor; |
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} |
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else |
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{ |
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error("put cursor %d\n", cache_idx); |
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} |
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} |