static Bool
scalefilterSetScaledPaintAttributes (CompWindow *w,
WindowPaintAttrib *attrib)
{
Bool ret;
FILTER_SCREEN (w->screen);
SCALE_SCREEN (w->screen);
UNWRAP (fs, ss, setScaledPaintAttributes);
ret = (*ss->setScaledPaintAttributes) (w, attrib);
WRAP (fs, ss, setScaledPaintAttributes,
scalefilterSetScaledPaintAttributes);
if (fs->matchApplied ||
(fs->filterInfo && fs->filterInfo->filterStringLength))
{
SCALE_WINDOW (w);
if (ret && !sw->slot)
{
ret = FALSE;
attrib->opacity = 0;
}
}
return ret;
}
static void
scalefilterInitFilterInfo (CompScreen *s)
{
FILTER_SCREEN (s);
SCALE_SCREEN (s);
ScaleFilterInfo *info = fs->filterInfo;
memset (info->filterString, 0, sizeof (info->filterString));
info->filterStringLength = 0;
info->textPixmap = None;
info->textWidth = 0;
info->textHeight = 0;
info->timeoutHandle = 0;
info->outputDevice = s->currentOutputDev;
initTexture (s, &info->textTexture);
matchInit (&info->match);
matchCopy (&info->match, &fs->scaleMatch);
info->origMatch = ss->currentMatch;
ss->currentMatch = &info->match;
}
static Bool
scalefilterPaintOutput (CompScreen *s,
const ScreenPaintAttrib *sAttrib,
const CompTransform *transform,
Region region,
CompOutput *output,
unsigned int mask)
{
Bool status;
FILTER_SCREEN (s);
UNWRAP (fs, s, paintOutput);
status = (*s->paintOutput) (s, sAttrib, transform, region, output, mask);
WRAP (fs, s, paintOutput, scalefilterPaintOutput);
if (status && fs->filterInfo)
{
if ((output->id == ~0 || output->id == fs->filterInfo->outputDevice) &&
fs->filterInfo->textPixmap)
{
CompTransform sTransform = *transform;
transformToScreenSpace (s, output, -DEFAULT_Z_CAMERA, &sTransform);
glPushMatrix ();
glLoadMatrixf (sTransform.m);
scalefilterDrawFilterText (s, output);
glPopMatrix ();
}
}
return status;
}
static void
scalefilterUpdateFilter (CompScreen *s,
CompMatch *match)
{
char filterMatch[2 * MAX_FILTER_TEXT_LEN];
unsigned int offset;
FILTER_SCREEN (s);
matchFini (match);
matchInit (match);
if (scalefilterGetFilterCaseInsensitive (s))
{
strncpy (filterMatch, "ititle=", MAX_FILTER_TEXT_LEN);
offset = 7;
}
else
{
strncpy (filterMatch, "title=", MAX_FILTER_TEXT_LEN);
offset = 6;
}
wcstombs (filterMatch + offset, fs->filterInfo->filterString,
MAX_FILTER_STRING_LEN);
matchAddExp (match, 0, filterMatch);
matchAddGroup (match, MATCH_OP_AND_MASK, &fs->scaleMatch);
matchUpdate (s->display, match);
}
/*
* Filters list setting update callback
*/
static void
colorFiltersChanged (CompScreen *s, CompOption *opt,
ColorfilterScreenOptions num)
{
FILTER_SCREEN (s);
/* Just set the filtersLoaded boolean to FALSE, unloadFilters will be
* called in loadFilters */
cfs->filtersLoaded = FALSE;
}
/*
* Wrapper that enables filters if the window is filtered
*/
static void
colorFilterDrawWindowTexture (CompWindow *w, CompTexture *texture,
const FragmentAttrib *attrib, unsigned int mask)
{
int i, function;
FILTER_SCREEN (w->screen);
FILTER_WINDOW (w);
/* Check if filters have to be loaded and load them if so
* Maybe should this check be done only if a filter is going to be applied
* for this texture? */
if (!cfs->filtersLoaded)
loadFilters (w->screen, texture);
/* Filter texture if :
* o GL_ARB_fragment_program available
* o Filters are loaded
* o Texture's window is filtered */
/* Note : if required, filter window contents only and not decorations
* (use that w->texture->name != texture->name for decorations) */
if (cfs->filtersCount && cfw->isFiltered &&
(colorfilterGetFilterDecorations (w->screen) ||
(texture->name == w->texture->name)))
{
FragmentAttrib fa = *attrib;
if (cfs->currentFilter == 0) /* Cumulative filters mode */
{
/* Enable each filter one by one */
for (i = 0; i < cfs->filtersCount; i++)
{
function = cfs->filtersFunctions[i];
if (function)
addFragmentFunction (&fa, function);
}
}
/* Single filter mode */
else if (cfs->currentFilter <= cfs->filtersCount)
{
/* Enable the currently selected filter if possible (i.e. if it
* was successfully loaded) */
function = cfs->filtersFunctions[cfs->currentFilter - 1];
if (function)
addFragmentFunction (&fa, function);
}
UNWRAP (cfs, w->screen, drawWindowTexture);
(*w->screen->drawWindowTexture) (w, texture, &fa, mask);
WRAP(cfs, w->screen, drawWindowTexture, colorFilterDrawWindowTexture);
}
else /* Not filtering */
{
UNWRAP (cfs, w->screen, drawWindowTexture);
(*w->screen->drawWindowTexture) (w, texture, attrib, mask);
WRAP(cfs, w->screen, drawWindowTexture, colorFilterDrawWindowTexture);
}
}
/*
* Filter windows when they are open if they match the filtering rules
*/
static void
colorFilterWindowAdd (CompScreen *s,
CompWindow *w)
{
FILTER_SCREEN (s);
/* cfw->isFiltered is initialized to FALSE in InitWindow, so we only
have to toggle it to TRUE if necessary */
if (cfs->isFiltered && matchEval (colorfilterGetFilterMatch (s), w))
colorFilterToggleWindow (w);
}
static void
colorFilterFiniScreen (CompPlugin * p, CompScreen * s)
{
FILTER_SCREEN (s);
freeWindowPrivateIndex (s, cfs->windowPrivateIndex);
UNWRAP (cfs, s, drawWindowTexture);
unloadFilters (s);
free (cfs);
}
/*
* Filter windows when they are open if they match the filtering rules
*/
static void
colorFilterWindowAddNotify (CompWindow *w)
{
FILTER_SCREEN (w->screen);
/* cfw->isFiltered is initialized to FALSE in InitWindow, so we only
have to toggle it to TRUE if necessary */
if (cfs->isFiltered && matchEval (&cfs->filter_match, w))
colorFilterToggleWindow (w);
UNWRAP (cfs, w->screen, windowAddNotify);
(*w->screen->windowAddNotify) (w);
WRAP (cfs, w->screen, windowAddNotify, colorFilterWindowAddNotify);
}
/*
* Toggle filtering for the whole screen
*/
static void
colorFilterToggleScreen (CompScreen *s)
{
CompWindow *w;
FILTER_SCREEN (s);
/* Toggle screen filtering flag */
cfs->isFiltered = !cfs->isFiltered;
/* Toggle filtering for every window */
for (w = s->windows; w; w = w->next)
if (w)
colorFilterToggleWindow (w);
}
static void
scalefilterFiniFilterInfo (CompScreen *s,
Bool freeTimeout)
{
FILTER_SCREEN (s);
scalefilterFreeFilterText (s);
matchFini (&fs->filterInfo->match);
if (freeTimeout && fs->filterInfo->timeoutHandle)
compRemoveTimeout (fs->filterInfo->timeoutHandle);
free (fs->filterInfo);
fs->filterInfo = NULL;
}
/*
* Toggle filtering for a specific window
*/
static void
colorFilterToggleWindow (CompWindow *w)
{
FILTER_WINDOW (w);
FILTER_SCREEN (w->screen);
/* Toggle window filtering flag */
cfw->isFiltered = !cfw->isFiltered;
/* Check exclude list */
if (matchEval (&cfs->exclude_match, w))
cfw->isFiltered = FALSE;
/* Ensure window is going to be repainted */
addWindowDamage (w);
}
static void
scalefilterFreeFilterText (CompScreen *s)
{
FILTER_SCREEN (s);
if (!fs->filterInfo)
return;
if (!fs->filterInfo->textPixmap)
return;
releasePixmapFromTexture(s, &fs->filterInfo->textTexture);
XFreePixmap (s->display->display, fs->filterInfo->textPixmap);
initTexture (s, &fs->filterInfo->textTexture);
fs->filterInfo->textPixmap = None;
}
static Bool
scalefilterFilterTimeout (void *closure)
{
CompScreen *s = (CompScreen *) closure;
FILTER_SCREEN (s);
SCALE_SCREEN (s);
if (fs->filterInfo)
{
ss->currentMatch = fs->filterInfo->origMatch;
scalefilterFiniFilterInfo (s, FALSE);
scalefilterRelayout (s);
}
return FALSE;
}
static void
scalefilterHandleEcompEvent (CompDisplay *d,
char *pluginName,
char *eventName,
CompOption *option,
int nOption)
{
FILTER_DISPLAY (d);
UNWRAP (fd, d, handleEcompEvent);
(*d->handleEcompEvent) (d, pluginName, eventName, option, nOption);
WRAP (fd, d, handleEcompEvent, scalefilterHandleEcompEvent);
if ((strcmp (pluginName, "scale") == 0) &&
(strcmp (eventName, "activate") == 0))
{
Window xid = getIntOptionNamed (option, nOption, "root", 0);
Bool activated = getBoolOptionNamed (option, nOption, "active", FALSE);
CompScreen *s = findScreenAtDisplay (d, xid);
if (s)
{
FILTER_SCREEN (s);
SCALE_SCREEN (s);
if (activated)
{
matchFini (&fs->scaleMatch);
matchInit (&fs->scaleMatch);
matchCopy (&fs->scaleMatch, ss->currentMatch);
matchUpdate (d, &fs->scaleMatch);
fs->matchApplied = FALSE;
}
if (!activated)
{
if (fs->filterInfo)
{
ss->currentMatch = fs->filterInfo->origMatch;
scalefilterFiniFilterInfo (s, TRUE);
}
fs->matchApplied = FALSE;
}
}
}
}
static void
scalefilterFiniScreen (CompPlugin *p,
CompScreen *s)
{
FILTER_SCREEN (s);
SCALE_SCREEN (s);
UNWRAP (fs, s, paintOutput);
UNWRAP (fs, ss, setScaledPaintAttributes);
if (fs->filterInfo)
{
ss->currentMatch = fs->filterInfo->origMatch;
scalefilterFiniFilterInfo (s, TRUE);
}
free (fs);
}
/*
* Switch current filter
*/
static void
colorFilterSwitchFilter (CompScreen *s)
{
int id;
CompFunction *function;
CompWindow *w;
FILTER_SCREEN (s);
/* % (count + 1) because of the cumulative filters mode */
cfs->currentFilter++;
if (cfs->currentFilter >= cfs->filtersCount + 1)
cfs->currentFilter = 0;
if (cfs->currentFilter == 0)
compLogMessage ("colorfilter", CompLogLevelInfo,
"Cumulative filters mode");
else
{
id = cfs->filtersFunctions[cfs->currentFilter - 1];
if (id)
{
function = findFragmentFunction (s, id);
compLogMessage ("colorfilter", CompLogLevelInfo,
"Single filter mode (using %s filter)",
function->name);
}
else
{
compLogMessage ("colorfilter", CompLogLevelInfo,
"Single filter mode (filter loading failure)");
}
}
/* Damage currently filtered windows */
for (w = s->windows; w; w = w->next)
{
FILTER_WINDOW (w);
if (cfw->isFiltered)
addWindowDamage (w);
}
}
/*
* Filtering match settings update callback
*/
static void
colorFilterMatchsChanged (CompScreen *s, CompOption *opt,
ColorfilterScreenOptions num)
{
CompWindow *w;
FILTER_SCREEN (s);
/* Re-check every window against new match settings */
for (w = s->windows; w; w = w->next)
{
FILTER_WINDOW (w);
if (matchEval (colorfilterGetFilterMatch (s), w) &&
cfs->isFiltered && !cfw->isFiltered)
{
colorFilterToggleWindow (w);
}
}
}
static Bool
colorFilterInitWindow (CompPlugin * p, CompWindow * w)
{
ColorFilterWindow *cfw;
if (!w->screen->fragmentProgram)
return TRUE;
FILTER_SCREEN (w->screen);
cfw = malloc (sizeof (ColorFilterWindow));
if (!cfw)
return FALSE;
cfw->isFiltered = FALSE;
w->base.privates[cfs->windowPrivateIndex].ptr = cfw;
return TRUE;
}
/*
* Free filters resources if any
*/
static void
unloadFilters (CompScreen *s)
{
int i;
FILTER_SCREEN (s);
if (cfs->filtersFunctions)
{
/* Destroy loaded filters one by one */
for (i = 0; i < cfs->filtersCount; i++)
{
if (cfs->filtersFunctions[i])
destroyFragmentFunction (s, cfs->filtersFunctions[i]);
}
free (cfs->filtersFunctions);
cfs->filtersFunctions = NULL;
cfs->filtersCount = 0;
/* Reset current filter */
cfs->currentFilter = 0;
}
}
static void
scalefilterScreenOptionChanged (CompScreen *s,
CompOption *opt,
ScalefilterScreenOptions num)
{
switch (num)
{
case ScalefilterScreenOptionFontBold:
case ScalefilterScreenOptionFontSize:
case ScalefilterScreenOptionFontColor:
case ScalefilterScreenOptionBackColor:
{
FILTER_SCREEN (s);
if (fs->filterInfo)
scalefilterRenderFilterText (s);
}
break;
default:
break;
}
}
static void
scalefilterHandleKeyPress (CompScreen *s,
XKeyEvent *event)
{
ScaleFilterInfo *info;
Bool needRelayout = FALSE;
Bool dropKeyEvent = FALSE;
int count, timeout;
char buffer[10];
wchar_t wbuffer[10];
KeySym ks;
FILTER_DISPLAY (s->display);
FILTER_SCREEN (s);
SCALE_SCREEN (s);
info = fs->filterInfo;
memset (buffer, 0, sizeof (buffer));
memset (wbuffer, 0, sizeof (wbuffer));
if (fd->xic)
{
Status status;
XSetICFocus (fd->xic);
count = Xutf8LookupString (fd->xic, event, buffer, 9, &ks, &status);
XUnsetICFocus (fd->xic);
}
else
{
count = XLookupString (event, buffer, 9, &ks, NULL);
}
mbstowcs (wbuffer, buffer, 9);
if (ks == XK_Escape)
{
if (info)
{
/* Escape key - drop current filter */
ss->currentMatch = info->origMatch;
scalefilterFiniFilterInfo (s, TRUE);
needRelayout = TRUE;
dropKeyEvent = TRUE;
}
else if (fs->matchApplied)
{
/* remove filter applied previously
if currently not in input mode */
matchFini (&ss->match);
matchInit (&ss->match);
matchCopy (&ss->match, &fs->scaleMatch);
matchUpdate (s->display, &ss->match);
ss->currentMatch = &ss->match;
fs->matchApplied = FALSE;
needRelayout = TRUE;
dropKeyEvent = TRUE;
}
}
else if (ks == XK_Return)
{
if (info)
{
/* Return key - apply current filter persistently */
matchFini (&ss->match);
matchInit (&ss->match);
matchCopy (&ss->match, &info->match);
matchUpdate (s->display, &ss->match);
ss->currentMatch = &ss->match;
fs->matchApplied = TRUE;
dropKeyEvent = TRUE;
needRelayout = TRUE;
scalefilterFiniFilterInfo (s, TRUE);
}
}
else if (ks == XK_BackSpace)
{
if (info && info->filterStringLength > 0)
{
/* remove last character in string */
info->filterString[--(info->filterStringLength)] = '\0';
needRelayout = TRUE;
}
}
else if (count > 0)
{
if (!info)
{
fs->filterInfo = info = malloc (sizeof (ScaleFilterInfo));
scalefilterInitFilterInfo (s);
}
else if (info->timeoutHandle)
compRemoveTimeout (info->timeoutHandle);
timeout = scalefilterGetTimeout (s);
if (timeout > 0)
info->timeoutHandle = compAddTimeout (timeout,
scalefilterFilterTimeout, s);
if (info->filterStringLength < MAX_FILTER_SIZE)
{
info->filterString[info->filterStringLength++] = wbuffer[0];
info->filterString[info->filterStringLength] = '\0';
needRelayout = TRUE;
}
}
/* set the event type invalid if we
don't want other plugins see it */
if (dropKeyEvent)
event->type = LASTEvent+1;
if (needRelayout)
{
scalefilterRenderFilterText (s);
if (fs->filterInfo)
scalefilterUpdateFilter (s, &fs->filterInfo->match);
scalefilterRelayout (s);
}
}
/*
* Load filters from a list of files for current screen
*/
static int
loadFilters (CompScreen *s,
CompTexture *texture)
{
int i, target, loaded, function, count;
char *name;
CompWindow *w;
FILTER_SCREEN (s);
cfs->filtersLoaded = TRUE;
/* Fetch filters filenames */
const BananaValue *
option_filters = bananaGetOption (bananaIndex,
"filters",
s->screenNum);
count = option_filters->list.nItem;
/* The texture target that will be used for some ops */
if (texture->target == GL_TEXTURE_2D)
target = COMP_FETCH_TARGET_2D;
else
target = COMP_FETCH_TARGET_RECT;
/* Free previously loaded filters and malloc */
unloadFilters (s);
cfs->filtersFunctions = malloc (sizeof (int) * count);
if (!cfs->filtersFunctions)
return 0;
cfs->filtersCount = count;
/* Load each filter one by one */
loaded = 0;
for (i = 0; i < count; i++)
{
name = base_name (option_filters->list.item[i].s);
if (!name || !strlen (name))
{
if (name)
free (name);
cfs->filtersFunctions[i] = 0;
continue;
}
compLogMessage ("colorfilter", CompLogLevelInfo,
"Loading filter %s (item %s).", name,
option_filters->list.item[i].s);
function = loadFragmentProgram (option_filters->list.item[i].s, name, s, target);
free (name);
cfs->filtersFunctions[i] = function;
if (function)
loaded++;
}
/* Warn if there was at least one loading failure */
if (loaded < count)
compLogMessage ("colorfilter", CompLogLevelWarn,
"Tried to load %d filter(s), %d succeeded.",
count, loaded);
if (!loaded)
cfs->filtersCount = 0;
/* Damage currently filtered windows */
for (w = s->windows; w; w = w->next)
{
FILTER_WINDOW (w);
if (cfw->isFiltered)
addWindowDamage (w);
}
return loaded;
}
static void
colorFilterChangeNotify (const char *optionName,
BananaType optionType,
const BananaValue *optionValue,
int screenNum)
{
FILTER_DISPLAY (&display);
if (strcasecmp (optionName, "toggle_window_key") == 0)
updateKey (optionValue->s, &cfd->toggle_window_key);
else if (strcasecmp (optionName, "toggle_screen_key") == 0)
updateKey (optionValue->s, &cfd->toggle_screen_key);
else if (strcasecmp (optionName, "switch_filter_key") == 0)
updateKey (optionValue->s, &cfd->switch_filter_key);
else if (strcasecmp (optionName, "filter_match") == 0)
{
CompWindow *w;
CompScreen *s = getScreenFromScreenNum (screenNum);
FILTER_SCREEN (s);
//Re-check every window against new match settings
for (w = s->windows; w; w = w->next)
{
FILTER_WINDOW (w);
if (matchEval (&cfs->filter_match, w) &&
cfs->isFiltered && !cfw->isFiltered)
{
colorFilterToggleWindow (w);
}
}
}
else if (strcasecmp (optionName, "exclude_match") == 0)
{
CompWindow *w;
CompScreen *s = getScreenFromScreenNum (screenNum);
FILTER_SCREEN (s);
// Re-check every window against new match settings
for (w = s->windows; w; w = w->next)
{
Bool isExcluded;
FILTER_WINDOW (w);
isExcluded = matchEval (&cfs->exclude_match, w);
if (isExcluded && cfw->isFiltered)
colorFilterToggleWindow (w);
else if (!isExcluded && cfs->isFiltered && !cfw->isFiltered)
colorFilterToggleWindow (w);
}
}
else if (strcasecmp (optionName, "filters") == 0)
{
CompScreen *s = getScreenFromScreenNum (screenNum);
FILTER_SCREEN (s);
/* Just set the filtersLoaded boolean to FALSE, unloadFilters will be
* called in loadFilters */
cfs->filtersLoaded = FALSE;
}
else if (strcasecmp (optionName, "filter_decorations") == 0)
{
CompScreen *s = getScreenFromScreenNum (screenNum);
damageScreen (s);
}
}
static void
scalefilterRenderFilterText (CompScreen *s)
{
CompDisplay *d = s->display;
CompTextAttrib tA;
int stride;
void* data;
int x1, x2, y1, y2;
int width, height;
REGION reg;
char buffer[2 * MAX_FILTER_STRING_LEN];
FILTER_SCREEN (s);
if (!fs->filterInfo)
return;
x1 = s->outputDev[fs->filterInfo->outputDevice].region.extents.x1;
x2 = s->outputDev[fs->filterInfo->outputDevice].region.extents.x2;
y1 = s->outputDev[fs->filterInfo->outputDevice].region.extents.y1;
y2 = s->outputDev[fs->filterInfo->outputDevice].region.extents.y2;
reg.rects = ®.extents;
reg.numRects = 1;
/* damage the old draw rectangle */
width = fs->filterInfo->textWidth + (2 * scalefilterGetBorderSize (s));
height = fs->filterInfo->textHeight + (2 * scalefilterGetBorderSize (s));
reg.extents.x1 = x1 + ((x2 - x1) / 2) - (width / 2) - 1;
reg.extents.x2 = reg.extents.x1 + width + 1;
reg.extents.y1 = y1 + ((y2 - y1) / 2) - (height / 2) - 1;
reg.extents.y2 = reg.extents.y1 + height + 1;
damageScreenRegion (s, ®);
scalefilterFreeFilterText (s);
if (!scalefilterGetFilterDisplay (s))
return;
if (fs->filterInfo->filterStringLength == 0)
return;
tA.maxwidth = x2 - x1 - (2 * scalefilterGetBorderSize (s));
tA.maxheight = y2 - y1 - (2 * scalefilterGetBorderSize (s));
tA.screen = s;
tA.size = scalefilterGetFontSize (s);
tA.color[0] = scalefilterGetFontColorRed (s);
tA.color[1] = scalefilterGetFontColorGreen (s);
tA.color[2] = scalefilterGetFontColorBlue (s);
tA.color[3] = scalefilterGetFontColorAlpha (s);
tA.style = (scalefilterGetFontBold (s)) ?
TEXT_STYLE_BOLD : TEXT_STYLE_NORMAL;
tA.family = "Sans";
tA.ellipsize = TRUE;
wcstombs (buffer, fs->filterInfo->filterString, MAX_FILTER_STRING_LEN);
tA.renderMode = TextRenderNormal;
tA.data = (void*)buffer;
if ((*d->fileToImage) (s->display, TEXT_ID, (char *)&tA,
&fs->filterInfo->textWidth,
&fs->filterInfo->textHeight,
&stride, &data))
{
fs->filterInfo->textPixmap = (Pixmap)data;
if (!bindPixmapToTexture (s, &fs->filterInfo->textTexture,
fs->filterInfo->textPixmap,
fs->filterInfo->textWidth,
fs->filterInfo->textHeight, 32))
{
compLogMessage (d, "scalefilterinfo", CompLogLevelError,
"Bind Pixmap to Texture failure");
XFreePixmap (d->display, fs->filterInfo->textPixmap);
fs->filterInfo->textPixmap = None;
return;
}
}
else
{
fs->filterInfo->textPixmap = None;
fs->filterInfo->textWidth = 0;
fs->filterInfo->textHeight = 0;
}
/* damage the new draw rectangle */
width = fs->filterInfo->textWidth + (2 * scalefilterGetBorderSize (s));
height = fs->filterInfo->textHeight + (2 * scalefilterGetBorderSize (s));
reg.extents.x1 = x1 + ((x2 - x1) / 2) - (width / 2) - 1;
reg.extents.x2 = reg.extents.x1 + width + 1;
reg.extents.y1 = y1 + ((y2 - y1) / 2) - (height / 2) - 1;
reg.extents.y2 = reg.extents.y1 + height + 1;
damageScreenRegion (s, ®);
}
static void
scalefilterDrawFilterText (CompScreen *s,
CompOutput *output)
{
FILTER_SCREEN (s);
GLboolean wasBlend;
GLint oldBlendSrc, oldBlendDst;
int ox1, ox2, oy1, oy2;
float width = fs->filterInfo->textWidth;
float height = fs->filterInfo->textHeight;
float border = scalefilterGetBorderSize (s);
ox1 = output->region.extents.x1;
ox2 = output->region.extents.x2;
oy1 = output->region.extents.y1;
oy2 = output->region.extents.y2;
float x = ox1 + ((ox2 - ox1) / 2) - (width / 2);
float y = oy1 + ((oy2 - oy1) / 2) + (height / 2);
x = floor (x);
y = floor (y);
wasBlend = glIsEnabled (GL_BLEND);
glGetIntegerv (GL_BLEND_SRC, &oldBlendSrc);
glGetIntegerv (GL_BLEND_DST, &oldBlendDst);
if (!wasBlend)
glEnable (GL_BLEND);
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glColor4us (scalefilterGetBackColorRed (s),
scalefilterGetBackColorGreen (s),
scalefilterGetBackColorBlue (s),
scalefilterGetBackColorAlpha (s));
glPushMatrix ();
glTranslatef (x, y - height, 0.0f);
glRectf (0.0f, height, width, 0.0f);
glRectf (0.0f, 0.0f, width, -border);
glRectf (0.0f, height + border, width, height);
glRectf (-border, height, 0.0f, 0.0f);
glRectf (width, height, width + border, 0.0f);
glTranslatef (-border, -border, 0.0f);
#define CORNER(a,b) \
for (k = a; k < b; k++) \
{\
float rad = k* (3.14159 / 180.0f);\
glVertex2f (0.0f, 0.0f);\
glVertex2f (cos (rad) * border, sin (rad) * border);\
glVertex2f (cos ((k - 1) * (3.14159 / 180.0f)) * border, \
sin ((k - 1) * (3.14159 / 180.0f)) * border);\
}
/* Rounded corners */
int k;
glTranslatef (border, border, 0.0f);
glBegin (GL_TRIANGLES);
CORNER (180, 270) glEnd();
glTranslatef (-border, -border, 0.0f);
glTranslatef (width + border, border, 0.0f);
glBegin (GL_TRIANGLES);
CORNER (270, 360) glEnd();
glTranslatef (-(width + border), -border, 0.0f);
glTranslatef (border, height + border, 0.0f);
glBegin (GL_TRIANGLES);
CORNER (90, 180) glEnd();
glTranslatef (-border, -(height + border), 0.0f);
glTranslatef (width + border, height + border, 0.0f);
glBegin (GL_TRIANGLES);
CORNER (0, 90) glEnd();
glTranslatef (-(width + border), -(height + border), 0.0f);
glPopMatrix ();
#undef CORNER
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glColor4f (1.0, 1.0, 1.0, 1.0);
enableTexture (s, &fs->filterInfo->textTexture, COMP_TEXTURE_FILTER_GOOD);
CompMatrix *m = &fs->filterInfo->textTexture.matrix;
glBegin (GL_QUADS);
glTexCoord2f (COMP_TEX_COORD_X(m, 0),COMP_TEX_COORD_Y(m ,0));
glVertex2f (x, y - height);
glTexCoord2f (COMP_TEX_COORD_X(m, 0),COMP_TEX_COORD_Y(m, height));
glVertex2f (x, y);
glTexCoord2f (COMP_TEX_COORD_X(m, width),COMP_TEX_COORD_Y(m, height));
glVertex2f (x + width, y);
glTexCoord2f (COMP_TEX_COORD_X(m, width),COMP_TEX_COORD_Y(m, 0));
glVertex2f (x + width, y - height);
glEnd ();
disableTexture (s, &fs->filterInfo->textTexture);
glColor4usv (defaultColor);
if (!wasBlend)
glDisable (GL_BLEND);
glBlendFunc (oldBlendSrc, oldBlendDst);
}