1,522 → 1,522 |
/* |
This file is part of Filter Foundry, a filter plugin for Adobe Photoshop |
Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
|
This program is free software; you can redistribute it and/or modify |
it under the terms of the GNU General Public License as published by |
the Free Software Foundation; either version 2 of the License, or |
(at your option) any later version. |
|
This program is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
GNU General Public License for more details. |
|
You should have received a copy of the GNU General Public License |
along with this program; if not, write to the Free Software |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
*/ |
|
/* This is PLATFORM INDEPENDENT user interface code - mainly dialog logic */ |
|
#include "ff.h" |
#include "preview.h" |
|
#ifdef MAC_ENV |
#include <fp.h> |
#endif |
#include <math.h> |
|
#include "PIProperties.h" |
|
extern FilterRecordPtr gpb; |
|
PSPixelMap preview_pmap; |
PSPixelMask preview_pmask; |
Handle preview_handle; |
UIRECT preview_rect; |
int preview_w,preview_h,previewerr = false,needall = false,needinput = true; |
Point preview_scroll; |
Boolean preview_complete = false; |
double zoomfactor,fitzoom; |
|
Boolean setup_preview(FilterRecordPtr pb, int nplanes){ |
double zh,zv; |
|
if(pb->displayPixels && pb->advanceState){ |
// Possibility 1: Only the part of the preview rect is filled with background color, |
// which can be occupied by image data if zoom factor becomes 100% |
/* |
if (HAS_BIG_DOC(pb)) { |
preview_w = MIN(preview_rect.right - preview_rect.left, |
BIGDOC_FILTER_RECT(pb).right - BIGDOC_FILTER_RECT(pb).left); |
preview_h = MIN(preview_rect.bottom - preview_rect.top, |
BIGDOC_FILTER_RECT(pb).bottom - BIGDOC_FILTER_RECT(pb).top); |
} else { |
preview_w = MIN(preview_rect.right - preview_rect.left, |
FILTER_RECT(pb).right - FILTER_RECT(pb).left); |
preview_h = MIN(preview_rect.bottom - preview_rect.top, |
FILTER_RECT(pb).bottom - FILTER_RECT(pb).top); |
} |
*/ |
// Possibility 2: The whole preview rect is always filled with the background color, |
// so you can easily see what is the preview area and what is not |
preview_w = preview_rect.right - preview_rect.left; |
preview_h = preview_rect.bottom - preview_rect.top; |
|
if (HAS_BIG_DOC(pb)) { |
zh = ((double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left) / (double)preview_w; |
zv = ((double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top) / (double)preview_h; |
} else { |
zh = ((double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left) / (double)preview_w; |
zv = ((double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top) / (double)preview_h; |
} |
fitzoom = zh > zv ? zh : zv; |
|
preview_pmap.version = 1; |
preview_pmap.bounds.left = preview_pmap.bounds.top = 0; |
preview_pmap.bounds.right = preview_w; |
preview_pmap.bounds.bottom = preview_h; |
preview_pmap.imageMode = pb->imageMode; |
preview_pmap.rowBytes = nplanes*preview_w; |
preview_pmap.colBytes = nplanes; |
preview_pmap.planeBytes = 1; /*interleaved*/ |
// preview_pmap.baseAddr = preview_data; |
/* baseAddr must be set before using pixelmap */ |
|
//--------------------------------------------------------------------------- |
// Fields new in version 1: |
//--------------------------------------------------------------------------- |
preview_pmap.mat = NULL; |
|
if( (pb->imageMode == plugInModeRGBColor && nplanes == 4) |
|| (pb->imageMode == plugInModeLabColor && nplanes == 4) |
|| (pb->imageMode == plugInModeGrayScale && nplanes == 2) |
|| (pb->imageMode == plugInModeDuotone && nplanes == 2) ) |
{ |
preview_pmask.next = NULL; |
// preview_pmask.maskData = preview_data+3; |
preview_pmask.rowBytes = preview_pmap.rowBytes; |
preview_pmask.colBytes = nplanes; |
preview_pmask.maskDescription = kSimplePSMask; |
preview_pmap.masks = &preview_pmask; |
}else |
preview_pmap.masks = NULL; |
|
preview_handle = PINEWHANDLE((long)preview_h * preview_pmap.rowBytes); |
}else |
preview_handle = NULL; |
return preview_handle != NULL; |
|
//--------------------------------------------------------------------------- |
// Fields new in version 2: |
//--------------------------------------------------------------------------- |
// preview_pmap.pixelOverlays; |
// preview_pmap.colorManagementOptions; |
} |
|
void dispose_preview(){ |
if(preview_handle){ |
PIDISPOSEHANDLE(preview_handle); |
preview_handle = NULL; |
} |
} |
|
void* memset_bgcolor(void* ptr, size_t num) { |
int i; |
unsigned char* p; |
|
i = 0; |
p = (unsigned char*)ptr; |
for (i=0; i<(int)num; ++i) { |
#ifdef WIN_ENV |
DWORD color; |
|
color = GetSysColor(COLOR_APPWORKSPACE); |
|
if (gpb->imageMode == plugInModeRGBColor) { |
if (i%nplanes == 0) p[i] = GetRValue(color); |
if (i%nplanes == 1) p[i] = GetGValue(color); |
if (i%nplanes == 2) p[i] = GetBValue(color); |
if (i%nplanes == 3) p[i] = 255; // alpha channel |
} else if (gpb->imageMode == plugInModeGrayScale) { |
uint8_t r, g, b; |
|
r = GetRValue(color); |
g = GetGValue(color); |
b = GetBValue(color); |
|
if (i%nplanes == 0) p[i] = (uint8_t)(((299L*r)+(587L*g)+(114L*b))/1000); |
if (i%nplanes == 1) p[i] = 255; // alpha channel |
} else if (gpb->imageMode == plugInModeCMYKColor) { |
uint8_t r, g, b; |
double dmax, dr, dg, db, k, c, m, y; |
|
r = GetRValue(color); |
g = GetGValue(color); |
b = GetBValue(color); |
|
dr = (double)r / 255; |
dg = (double)g / 255; |
db = (double)b / 255; |
|
dmax = dr; |
if (dg>dmax) dmax = dg; |
if (db>dmax) dmax = db; |
|
k = 1 - dmax; |
c = (1 - dr - k) / (1 - k); |
m = (1 - dg - k) / (1 - k); |
y = (1 - db - k) / (1 - k); |
|
if (i%nplanes == 0) p[i] = (uint8_t)(255 - c * 255); |
if (i%nplanes == 1) p[i] = (uint8_t)(255 - m * 255); |
if (i%nplanes == 2) p[i] = (uint8_t)(255 - y * 255); |
if (i%nplanes == 3) p[i] = (uint8_t)(255 - k * 255); |
} else { |
// FIXME: If we are in such a non supported color mode, then |
// these color codes would be all wrong! |
// Just to be safe use (what is probably) white |
p[i] = 0xFF; |
|
/* |
#define plugInModeBitmap 0 |
#define plugInModeGrayScale 1 supported |
#define plugInModeIndexedColor 2 |
#define plugInModeRGBColor 3 supported |
#define plugInModeCMYKColor 4 supported |
#define plugInModeHSLColor 5 |
#define plugInModeHSBColor 6 |
#define plugInModeMultichannel 7 |
#define plugInModeDuotone 8 |
#define plugInModeLabColor 9 |
#define plugInModeGray16 10 |
#define plugInModeRGB48 11 |
#define plugInModeLab48 12 |
#define plugInModeCMYK64 13 |
#define plugInModeDeepMultichannel 14 |
#define plugInModeDuotone16 15 |
#define plugInModeRGB96 16 |
#define plugInModeGray32 17 |
*/ |
|
} |
#else |
// This is the behavior of FilterFoundry <1.7 was this (filled with 0xFF) |
// FIXME: Should we do something fancy here, too? |
p[i] = 0xFF; |
#endif |
} |
return ptr; |
} |
|
void recalc_preview_olddoc(FilterRecordPtr pb, DIALOGREF dp) { |
OSErr e; |
double scaledw, scaledh; |
int j, n, imgw, imgh; |
Rect r, outRect; |
Ptr outrow; |
|
preview_complete = false; |
|
if (preview_handle) { |
/* size of previewed area, of source image; but no larger than filtered area (selection) */ |
scaledw = zoomfactor * preview_w; |
if (scaledw > ((double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left)) |
scaledw = (double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left; |
scaledh = zoomfactor * preview_h; |
if (scaledh > ((double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top)) |
scaledh = (double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top; |
|
/* scale clipped preview area down again - this becomes the pixel size of preview */ |
imgw = (int)ceil(scaledw / zoomfactor); |
if (imgw > preview_w) |
imgw = preview_w; |
imgh = (int)ceil(scaledh / zoomfactor); |
if (imgh > preview_h) |
imgh = preview_h; |
|
/* compute source data rectangle (inRect) */ |
|
/* centre preview on filtered part of input image, adding scroll offset */ |
r.left = (int16)(((double)FILTER_RECT(pb).left + (double)FILTER_RECT(pb).right - scaledw) / 2 + preview_scroll.h); |
/* make sure it does not go outside the input area */ |
if (r.left < FILTER_RECT(pb).left) { |
preview_scroll.h += FILTER_RECT(pb).left - r.left; |
r.left = FILTER_RECT(pb).left; |
} |
else if ((double)r.left + scaledw > FILTER_RECT(pb).right) { |
preview_scroll.h += (int16)((double)FILTER_RECT(pb).right - ((double)r.left + scaledw)); |
r.left = (int16)((double)FILTER_RECT(pb).right - scaledw); |
} |
r.right = (int16)((double)r.left + scaledw); |
preview_pmap.maskPhaseCol = (int32)((preview_scroll.h) / zoomfactor); // phase of the checkerboard |
|
/* now compute for vertical */ |
r.top = (int16)(((double)FILTER_RECT(pb).top + (double)FILTER_RECT(pb).bottom - scaledh) / 2 + preview_scroll.v); |
if (r.top < FILTER_RECT(pb).top) { |
preview_scroll.v += FILTER_RECT(pb).top - r.top; |
r.top = FILTER_RECT(pb).top; |
} |
else if ((double)r.top + scaledh > FILTER_RECT(pb).bottom) { |
preview_scroll.v += (int16)(FILTER_RECT(pb).bottom - ((double)r.top + scaledh)); |
r.top = (int16)((double)FILTER_RECT(pb).bottom - scaledh); |
} |
r.bottom = (int16)((double)r.top + scaledh); |
preview_pmap.maskPhaseRow = (int32)((preview_scroll.v) / zoomfactor); // phase of the checkerboard |
|
/* if formulae need random access to image - src(), rad() - we must request entire area: */ |
if (needall) |
SETRECT(IN_RECT(pb), 0, 0, IMAGE_SIZE(pb).h, IMAGE_SIZE(pb).v); |
else |
IN_RECT(pb) = r; |
|
OUT_RECT(pb) = IN_RECT(pb); |
SETRECT(MASK_RECT(pb), 0, 0, 0, 0); |
pb->inLoPlane = pb->outLoPlane = 0; |
pb->inHiPlane = pb->outHiPlane = nplanes - 1; |
|
if (!needinput || !(e = pb->advanceState())) { |
Ptr outptr = PILOCKHANDLE(preview_handle, false); |
int blankrows = (preview_h - imgh) / 2, |
blankcols = (preview_w - imgw) / 2, |
pmrb = preview_pmap.rowBytes; |
|
evalinit(); |
|
SETRECT(outRect, 0, 0, imgw, imgh); |
|
e = process_scaled_olddoc(pb, false, r, outRect, |
outptr + pmrb * blankrows + nplanes * blankcols, pmrb, zoomfactor); |
if (blankrows) { |
// blank rows on top of preview: |
memset_bgcolor(outptr, pmrb * blankrows); |
// blank rows below preview: |
n = preview_h - blankrows - imgh; |
memset_bgcolor(outptr + pmrb * (blankrows + imgh), pmrb * n); |
} |
if (blankcols) { |
n = preview_w - blankcols - imgw; |
outrow = outptr + pmrb * blankrows; |
for (j = blankrows; j < preview_h - blankrows; ++j) { |
// blank columns on left side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow, nplanes * blankcols); |
// blank columns on right side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow + nplanes * (blankcols + imgw), nplanes * n); |
outrow += pmrb; |
} |
} |
|
if (!e) { |
preview_complete = true; |
|
#ifdef WIN_ENV |
{ |
extern HWND preview_hwnd; |
HDC hdc = GetDC(preview_hwnd); |
|
drawpreview(dp, hdc, outptr); |
|
ReleaseDC(preview_hwnd, hdc); |
} |
#else |
{ |
GrafPtr saveport; |
|
GetPort(&saveport); |
SetPortDialogPort(dp); |
|
drawpreview(dp, NULL, outptr); |
|
SetPort(saveport); |
} |
#endif |
} |
|
PIUNLOCKHANDLE(preview_handle); |
} |
|
if (e && !previewerr) { |
alertuser(_strdup("Could not build preview at chosen zoom level."), |
e == memFullErr && !needall ? _strdup("The image is too large for available memory. Try zooming in.\nIf that does not help, cancel and retry the filter.") : _strdup("")); |
previewerr = true; |
} |
|
} |
} |
|
void recalc_preview_bigdoc(FilterRecordPtr pb, DIALOGREF dp) { |
OSErr e; |
double scaledw, scaledh; |
int j, n, imgw, imgh; |
VRect r, outRect; |
Ptr outrow; |
|
preview_complete = false; |
|
if (preview_handle) { |
/* size of previewed area, of source image; but no larger than filtered area (selection) */ |
scaledw = zoomfactor * preview_w; |
if (scaledw > ((double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left)) |
scaledw = (double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left; |
scaledh = zoomfactor * preview_h; |
if (scaledh > ((double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top)) |
scaledh = (double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top; |
|
/* scale clipped preview area down again - this becomes the pixel size of preview */ |
imgw = (int)ceil(scaledw / zoomfactor); |
if (imgw > preview_w) |
imgw = preview_w; |
imgh = (int)ceil(scaledh / zoomfactor); |
if (imgh > preview_h) |
imgh = preview_h; |
|
/* compute source data rectangle (inRect) */ |
|
/* centre preview on filtered part of input image, adding scroll offset */ |
r.left = (int32)(((double)BIGDOC_FILTER_RECT(pb).left + (double)BIGDOC_FILTER_RECT(pb).right - scaledw) / 2 + preview_scroll.h); |
/* make sure it does not go outside the input area */ |
if (r.left < BIGDOC_FILTER_RECT(pb).left) { |
preview_scroll.h += BIGDOC_FILTER_RECT(pb).left - r.left; |
r.left = BIGDOC_FILTER_RECT(pb).left; |
} |
else if ((double)r.left + scaledw > BIGDOC_FILTER_RECT(pb).right) { |
preview_scroll.h += (int32)((double)BIGDOC_FILTER_RECT(pb).right - ((double)r.left + scaledw)); |
r.left = (int32)((double)BIGDOC_FILTER_RECT(pb).right - scaledw); |
} |
r.right = (int32)((double)r.left + scaledw); |
preview_pmap.maskPhaseCol = (int32)((preview_scroll.h) / zoomfactor); // phase of the checkerboard |
|
/* now compute for vertical */ |
r.top = (int32)(((double)BIGDOC_FILTER_RECT(pb).top + (double)BIGDOC_FILTER_RECT(pb).bottom - scaledh) / 2 + preview_scroll.v); |
if (r.top < BIGDOC_FILTER_RECT(pb).top) { |
preview_scroll.v += BIGDOC_FILTER_RECT(pb).top - r.top; |
r.top = BIGDOC_FILTER_RECT(pb).top; |
} |
else if ((double)r.top + scaledh > BIGDOC_FILTER_RECT(pb).bottom) { |
preview_scroll.v += (int32)(BIGDOC_FILTER_RECT(pb).bottom - ((double)r.top + scaledh)); |
r.top = (int32)((double)BIGDOC_FILTER_RECT(pb).bottom - scaledh); |
} |
r.bottom = (int32)((double)r.top + scaledh); |
preview_pmap.maskPhaseRow = (int32)((preview_scroll.v) / zoomfactor); // phase of the checkerboard |
|
/* if formulae need random access to image - src(), rad() - we must request entire area: */ |
if (needall) |
SETRECT(BIGDOC_IN_RECT(pb), 0, 0, BIGDOC_IMAGE_SIZE(pb).h, BIGDOC_IMAGE_SIZE(pb).v); |
else |
BIGDOC_IN_RECT(pb) = r; |
|
BIGDOC_OUT_RECT(pb) = BIGDOC_IN_RECT(pb); |
SETRECT(BIGDOC_MASK_RECT(pb), 0, 0, 0, 0); |
pb->inLoPlane = pb->outLoPlane = 0; |
pb->inHiPlane = pb->outHiPlane = nplanes - 1; |
|
if (!needinput || !(e = pb->advanceState())) { |
Ptr outptr = PILOCKHANDLE(preview_handle, false); |
int blankrows = (preview_h - imgh) / 2, |
blankcols = (preview_w - imgw) / 2, |
pmrb = preview_pmap.rowBytes; |
|
evalinit(); |
|
SETRECT(outRect, 0, 0, imgw, imgh); |
|
e = process_scaled_bigdoc(pb, false, r, outRect, |
outptr + pmrb * blankrows + nplanes * blankcols, pmrb, zoomfactor); |
if (blankrows) { |
// blank rows on top of preview: |
memset_bgcolor(outptr, pmrb * blankrows); |
// blank rows below preview: |
n = preview_h - blankrows - imgh; |
memset_bgcolor(outptr + pmrb * (blankrows + imgh), pmrb * n); |
} |
if (blankcols) { |
n = preview_w - blankcols - imgw; |
outrow = outptr + pmrb * blankrows; |
for (j = blankrows; j < preview_h - blankrows; ++j) { |
// blank columns on left side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow, nplanes * blankcols); |
// blank columns on right side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow + nplanes * (blankcols + imgw), nplanes * n); |
outrow += pmrb; |
} |
} |
|
if (!e) { |
preview_complete = true; |
|
#ifdef WIN_ENV |
{ |
extern HWND preview_hwnd; |
HDC hdc = GetDC(preview_hwnd); |
|
drawpreview(dp, hdc, outptr); |
|
ReleaseDC(preview_hwnd, hdc); |
} |
#else |
{ |
GrafPtr saveport; |
|
GetPort(&saveport); |
SetPortDialogPort(dp); |
|
drawpreview(dp, NULL, outptr); |
|
SetPort(saveport); |
} |
#endif |
} |
|
PIUNLOCKHANDLE(preview_handle); |
} |
|
if (e && !previewerr) { |
alertuser(_strdup("Could not build preview at chosen zoom level."), |
e == memFullErr && !needall ? _strdup("The image is too large for available memory. Try zooming in.\nIf that does not help, cancel and retry the filter.") : _strdup("")); |
previewerr = true; |
} |
|
} |
} |
|
void recalc_preview(FilterRecordPtr pb, DIALOGREF dp) { |
if (HAS_BIG_DOC(pb)) { |
recalc_preview_bigdoc(pb, dp); |
} |
else { |
recalc_preview_olddoc(pb, dp); |
} |
} |
|
OSErr drawpreview(DIALOGREF dp,void *hdc,Ptr imageptr){ |
intptr_t watchsusp; |
OSErr e = noErr; |
VRect srcRect; |
UIRECT imagebounds; |
|
if(preview_handle && preview_complete){ |
|
srcRect = preview_pmap.bounds; |
|
imagebounds.left = (preview_rect.left + preview_rect.right - preview_w)/2; |
imagebounds.top = (preview_rect.top + preview_rect.bottom - preview_h)/2; |
imagebounds.right = imagebounds.left + preview_w; |
imagebounds.bottom = imagebounds.top + preview_h; |
|
preview_pmap.baseAddr = imageptr; |
preview_pmask.maskData = imageptr+3; // FIXME: is this offset correct for all modes?! |
|
if(gpb->propertyProcs->getPropertyProc){ |
gpb->propertyProcs->getPropertyProc(kPhotoshopSignature,propWatchSuspension,0,&watchsusp,NULL); |
gpb->propertyProcs->setPropertyProc(kPhotoshopSignature,propWatchSuspension,0,watchsusp+1,NULL); |
} |
|
e = gpb->displayPixels(&preview_pmap,&srcRect,imagebounds.top,imagebounds.left,hdc); |
|
if(gpb->propertyProcs->getPropertyProc) |
gpb->propertyProcs->setPropertyProc(kPhotoshopSignature,propWatchSuspension,0,watchsusp,NULL); |
} |
return e; |
} |
/* |
This file is part of Filter Foundry, a filter plugin for Adobe Photoshop |
Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
|
This program is free software; you can redistribute it and/or modify |
it under the terms of the GNU General Public License as published by |
the Free Software Foundation; either version 2 of the License, or |
(at your option) any later version. |
|
This program is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
GNU General Public License for more details. |
|
You should have received a copy of the GNU General Public License |
along with this program; if not, write to the Free Software |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
*/ |
|
/* This is PLATFORM INDEPENDENT user interface code - mainly dialog logic */ |
|
#include "ff.h" |
#include "preview.h" |
|
#ifdef MAC_ENV |
#include <fp.h> |
#endif |
#include <math.h> |
|
#include "PIProperties.h" |
|
extern FilterRecordPtr gpb; |
|
PSPixelMap preview_pmap; |
PSPixelMask preview_pmask; |
Handle preview_handle; |
UIRECT preview_rect; |
int preview_w,preview_h,previewerr = false,needall = false,needinput = true; |
Point preview_scroll; |
Boolean preview_complete = false; |
double zoomfactor,fitzoom; |
|
Boolean setup_preview(FilterRecordPtr pb, int nplanes){ |
double zh,zv; |
|
if(pb->displayPixels && pb->advanceState){ |
// Possibility 1: Only the part of the preview rect is filled with background color, |
// which can be occupied by image data if zoom factor becomes 100% |
/* |
if (HAS_BIG_DOC(pb)) { |
preview_w = MIN(preview_rect.right - preview_rect.left, |
BIGDOC_FILTER_RECT(pb).right - BIGDOC_FILTER_RECT(pb).left); |
preview_h = MIN(preview_rect.bottom - preview_rect.top, |
BIGDOC_FILTER_RECT(pb).bottom - BIGDOC_FILTER_RECT(pb).top); |
} else { |
preview_w = MIN(preview_rect.right - preview_rect.left, |
FILTER_RECT(pb).right - FILTER_RECT(pb).left); |
preview_h = MIN(preview_rect.bottom - preview_rect.top, |
FILTER_RECT(pb).bottom - FILTER_RECT(pb).top); |
} |
*/ |
// Possibility 2: The whole preview rect is always filled with the background color, |
// so you can easily see what is the preview area and what is not |
preview_w = preview_rect.right - preview_rect.left; |
preview_h = preview_rect.bottom - preview_rect.top; |
|
if (HAS_BIG_DOC(pb)) { |
zh = ((double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left) / (double)preview_w; |
zv = ((double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top) / (double)preview_h; |
} else { |
zh = ((double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left) / (double)preview_w; |
zv = ((double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top) / (double)preview_h; |
} |
fitzoom = zh > zv ? zh : zv; |
|
preview_pmap.version = 1; |
preview_pmap.bounds.left = preview_pmap.bounds.top = 0; |
preview_pmap.bounds.right = preview_w; |
preview_pmap.bounds.bottom = preview_h; |
preview_pmap.imageMode = pb->imageMode; |
preview_pmap.rowBytes = nplanes*preview_w; |
preview_pmap.colBytes = nplanes; |
preview_pmap.planeBytes = 1; /*interleaved*/ |
// preview_pmap.baseAddr = preview_data; |
/* baseAddr must be set before using pixelmap */ |
|
//--------------------------------------------------------------------------- |
// Fields new in version 1: |
//--------------------------------------------------------------------------- |
preview_pmap.mat = NULL; |
|
if( (pb->imageMode == plugInModeRGBColor && nplanes == 4) |
|| (pb->imageMode == plugInModeLabColor && nplanes == 4) |
|| (pb->imageMode == plugInModeGrayScale && nplanes == 2) |
|| (pb->imageMode == plugInModeDuotone && nplanes == 2) ) |
{ |
preview_pmask.next = NULL; |
// preview_pmask.maskData = preview_data+3; |
preview_pmask.rowBytes = preview_pmap.rowBytes; |
preview_pmask.colBytes = nplanes; |
preview_pmask.maskDescription = kSimplePSMask; |
preview_pmap.masks = &preview_pmask; |
}else |
preview_pmap.masks = NULL; |
|
preview_handle = PINEWHANDLE((long)preview_h * preview_pmap.rowBytes); |
}else |
preview_handle = NULL; |
return preview_handle != NULL; |
|
//--------------------------------------------------------------------------- |
// Fields new in version 2: |
//--------------------------------------------------------------------------- |
// preview_pmap.pixelOverlays; |
// preview_pmap.colorManagementOptions; |
} |
|
void dispose_preview(){ |
if(preview_handle){ |
PIDISPOSEHANDLE(preview_handle); |
preview_handle = NULL; |
} |
} |
|
void* memset_bgcolor(void* ptr, size_t num) { |
int i; |
unsigned char* p; |
|
i = 0; |
p = (unsigned char*)ptr; |
for (i=0; i<(int)num; ++i) { |
#ifdef WIN_ENV |
DWORD color; |
|
color = GetSysColor(COLOR_APPWORKSPACE); |
|
if (gpb->imageMode == plugInModeRGBColor) { |
if (i%nplanes == 0) p[i] = GetRValue(color); |
if (i%nplanes == 1) p[i] = GetGValue(color); |
if (i%nplanes == 2) p[i] = GetBValue(color); |
if (i%nplanes == 3) p[i] = 255; // alpha channel |
} else if (gpb->imageMode == plugInModeGrayScale) { |
uint8_t r, g, b; |
|
r = GetRValue(color); |
g = GetGValue(color); |
b = GetBValue(color); |
|
if (i%nplanes == 0) p[i] = (uint8_t)(((299L*r)+(587L*g)+(114L*b))/1000); |
if (i%nplanes == 1) p[i] = 255; // alpha channel |
} else if (gpb->imageMode == plugInModeCMYKColor) { |
uint8_t r, g, b; |
double dmax, dr, dg, db, k, c, m, y; |
|
r = GetRValue(color); |
g = GetGValue(color); |
b = GetBValue(color); |
|
dr = (double)r / 255; |
dg = (double)g / 255; |
db = (double)b / 255; |
|
dmax = dr; |
if (dg>dmax) dmax = dg; |
if (db>dmax) dmax = db; |
|
k = 1 - dmax; |
c = (1 - dr - k) / (1 - k); |
m = (1 - dg - k) / (1 - k); |
y = (1 - db - k) / (1 - k); |
|
if (i%nplanes == 0) p[i] = (uint8_t)(255 - c * 255); |
if (i%nplanes == 1) p[i] = (uint8_t)(255 - m * 255); |
if (i%nplanes == 2) p[i] = (uint8_t)(255 - y * 255); |
if (i%nplanes == 3) p[i] = (uint8_t)(255 - k * 255); |
} else { |
// FIXME: If we are in such a non supported color mode, then |
// these color codes would be all wrong! |
// Just to be safe use (what is probably) white |
p[i] = 0xFF; |
|
/* |
#define plugInModeBitmap 0 |
#define plugInModeGrayScale 1 supported |
#define plugInModeIndexedColor 2 |
#define plugInModeRGBColor 3 supported |
#define plugInModeCMYKColor 4 supported |
#define plugInModeHSLColor 5 |
#define plugInModeHSBColor 6 |
#define plugInModeMultichannel 7 |
#define plugInModeDuotone 8 |
#define plugInModeLabColor 9 |
#define plugInModeGray16 10 |
#define plugInModeRGB48 11 |
#define plugInModeLab48 12 |
#define plugInModeCMYK64 13 |
#define plugInModeDeepMultichannel 14 |
#define plugInModeDuotone16 15 |
#define plugInModeRGB96 16 |
#define plugInModeGray32 17 |
*/ |
|
} |
#else |
// This is the behavior of FilterFoundry <1.7 was this (filled with 0xFF) |
// FIXME: Should we do something fancy here, too? |
p[i] = 0xFF; |
#endif |
} |
return ptr; |
} |
|
void recalc_preview_olddoc(FilterRecordPtr pb, DIALOGREF dp) { |
OSErr e; |
double scaledw, scaledh; |
int j, n, imgw, imgh; |
Rect r, outRect; |
Ptr outrow; |
|
preview_complete = false; |
|
if (preview_handle) { |
/* size of previewed area, of source image; but no larger than filtered area (selection) */ |
scaledw = zoomfactor * preview_w; |
if (scaledw > ((double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left)) |
scaledw = (double)FILTER_RECT(pb).right - (double)FILTER_RECT(pb).left; |
scaledh = zoomfactor * preview_h; |
if (scaledh > ((double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top)) |
scaledh = (double)FILTER_RECT(pb).bottom - (double)FILTER_RECT(pb).top; |
|
/* scale clipped preview area down again - this becomes the pixel size of preview */ |
imgw = (int)ceil(scaledw / zoomfactor); |
if (imgw > preview_w) |
imgw = preview_w; |
imgh = (int)ceil(scaledh / zoomfactor); |
if (imgh > preview_h) |
imgh = preview_h; |
|
/* compute source data rectangle (inRect) */ |
|
/* centre preview on filtered part of input image, adding scroll offset */ |
r.left = (int16)(((double)FILTER_RECT(pb).left + (double)FILTER_RECT(pb).right - scaledw) / 2 + preview_scroll.h); |
/* make sure it does not go outside the input area */ |
if (r.left < FILTER_RECT(pb).left) { |
preview_scroll.h += FILTER_RECT(pb).left - r.left; |
r.left = FILTER_RECT(pb).left; |
} |
else if ((double)r.left + scaledw > FILTER_RECT(pb).right) { |
preview_scroll.h += (int16)((double)FILTER_RECT(pb).right - ((double)r.left + scaledw)); |
r.left = (int16)((double)FILTER_RECT(pb).right - scaledw); |
} |
r.right = (int16)((double)r.left + scaledw); |
preview_pmap.maskPhaseCol = (int32)((preview_scroll.h) / zoomfactor); // phase of the checkerboard |
|
/* now compute for vertical */ |
r.top = (int16)(((double)FILTER_RECT(pb).top + (double)FILTER_RECT(pb).bottom - scaledh) / 2 + preview_scroll.v); |
if (r.top < FILTER_RECT(pb).top) { |
preview_scroll.v += FILTER_RECT(pb).top - r.top; |
r.top = FILTER_RECT(pb).top; |
} |
else if ((double)r.top + scaledh > FILTER_RECT(pb).bottom) { |
preview_scroll.v += (int16)(FILTER_RECT(pb).bottom - ((double)r.top + scaledh)); |
r.top = (int16)((double)FILTER_RECT(pb).bottom - scaledh); |
} |
r.bottom = (int16)((double)r.top + scaledh); |
preview_pmap.maskPhaseRow = (int32)((preview_scroll.v) / zoomfactor); // phase of the checkerboard |
|
/* if formulae need random access to image - src(), rad() - we must request entire area: */ |
if (needall) |
SETRECT(IN_RECT(pb), 0, 0, IMAGE_SIZE(pb).h, IMAGE_SIZE(pb).v); |
else |
IN_RECT(pb) = r; |
|
OUT_RECT(pb) = IN_RECT(pb); |
SETRECT(MASK_RECT(pb), 0, 0, 0, 0); |
pb->inLoPlane = pb->outLoPlane = 0; |
pb->inHiPlane = pb->outHiPlane = nplanes - 1; |
|
if (!needinput || !(e = pb->advanceState())) { |
Ptr outptr = PILOCKHANDLE(preview_handle, false); |
int blankrows = (preview_h - imgh) / 2, |
blankcols = (preview_w - imgw) / 2, |
pmrb = preview_pmap.rowBytes; |
|
evalinit(); |
|
SETRECT(outRect, 0, 0, imgw, imgh); |
|
e = process_scaled_olddoc(pb, false, r, outRect, |
outptr + pmrb * blankrows + nplanes * blankcols, pmrb, zoomfactor); |
if (blankrows) { |
// blank rows on top of preview: |
memset_bgcolor(outptr, pmrb * blankrows); |
// blank rows below preview: |
n = preview_h - blankrows - imgh; |
memset_bgcolor(outptr + pmrb * (blankrows + imgh), pmrb * n); |
} |
if (blankcols) { |
n = preview_w - blankcols - imgw; |
outrow = outptr + pmrb * blankrows; |
for (j = blankrows; j < preview_h - blankrows; ++j) { |
// blank columns on left side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow, nplanes * blankcols); |
// blank columns on right side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow + nplanes * (blankcols + imgw), nplanes * n); |
outrow += pmrb; |
} |
} |
|
if (!e) { |
preview_complete = true; |
|
#ifdef WIN_ENV |
{ |
extern HWND preview_hwnd; |
HDC hdc = GetDC(preview_hwnd); |
|
drawpreview(dp, hdc, outptr); |
|
ReleaseDC(preview_hwnd, hdc); |
} |
#else |
{ |
GrafPtr saveport; |
|
GetPort(&saveport); |
SetPortDialogPort(dp); |
|
drawpreview(dp, NULL, outptr); |
|
SetPort(saveport); |
} |
#endif |
} |
|
PIUNLOCKHANDLE(preview_handle); |
} |
|
if (e && !previewerr) { |
alertuser(_strdup("Could not build preview at chosen zoom level."), |
e == memFullErr && !needall ? _strdup("The image is too large for available memory. Try zooming in.\nIf that does not help, cancel and retry the filter.") : _strdup("")); |
previewerr = true; |
} |
|
} |
} |
|
void recalc_preview_bigdoc(FilterRecordPtr pb, DIALOGREF dp) { |
OSErr e; |
double scaledw, scaledh; |
int j, n, imgw, imgh; |
VRect r, outRect; |
Ptr outrow; |
|
preview_complete = false; |
|
if (preview_handle) { |
/* size of previewed area, of source image; but no larger than filtered area (selection) */ |
scaledw = zoomfactor * preview_w; |
if (scaledw > ((double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left)) |
scaledw = (double)BIGDOC_FILTER_RECT(pb).right - (double)BIGDOC_FILTER_RECT(pb).left; |
scaledh = zoomfactor * preview_h; |
if (scaledh > ((double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top)) |
scaledh = (double)BIGDOC_FILTER_RECT(pb).bottom - (double)BIGDOC_FILTER_RECT(pb).top; |
|
/* scale clipped preview area down again - this becomes the pixel size of preview */ |
imgw = (int)ceil(scaledw / zoomfactor); |
if (imgw > preview_w) |
imgw = preview_w; |
imgh = (int)ceil(scaledh / zoomfactor); |
if (imgh > preview_h) |
imgh = preview_h; |
|
/* compute source data rectangle (inRect) */ |
|
/* centre preview on filtered part of input image, adding scroll offset */ |
r.left = (int32)(((double)BIGDOC_FILTER_RECT(pb).left + (double)BIGDOC_FILTER_RECT(pb).right - scaledw) / 2 + preview_scroll.h); |
/* make sure it does not go outside the input area */ |
if (r.left < BIGDOC_FILTER_RECT(pb).left) { |
preview_scroll.h += BIGDOC_FILTER_RECT(pb).left - r.left; |
r.left = BIGDOC_FILTER_RECT(pb).left; |
} |
else if ((double)r.left + scaledw > BIGDOC_FILTER_RECT(pb).right) { |
preview_scroll.h += (int32)((double)BIGDOC_FILTER_RECT(pb).right - ((double)r.left + scaledw)); |
r.left = (int32)((double)BIGDOC_FILTER_RECT(pb).right - scaledw); |
} |
r.right = (int32)((double)r.left + scaledw); |
preview_pmap.maskPhaseCol = (int32)((preview_scroll.h) / zoomfactor); // phase of the checkerboard |
|
/* now compute for vertical */ |
r.top = (int32)(((double)BIGDOC_FILTER_RECT(pb).top + (double)BIGDOC_FILTER_RECT(pb).bottom - scaledh) / 2 + preview_scroll.v); |
if (r.top < BIGDOC_FILTER_RECT(pb).top) { |
preview_scroll.v += BIGDOC_FILTER_RECT(pb).top - r.top; |
r.top = BIGDOC_FILTER_RECT(pb).top; |
} |
else if ((double)r.top + scaledh > BIGDOC_FILTER_RECT(pb).bottom) { |
preview_scroll.v += (int32)(BIGDOC_FILTER_RECT(pb).bottom - ((double)r.top + scaledh)); |
r.top = (int32)((double)BIGDOC_FILTER_RECT(pb).bottom - scaledh); |
} |
r.bottom = (int32)((double)r.top + scaledh); |
preview_pmap.maskPhaseRow = (int32)((preview_scroll.v) / zoomfactor); // phase of the checkerboard |
|
/* if formulae need random access to image - src(), rad() - we must request entire area: */ |
if (needall) |
SETRECT(BIGDOC_IN_RECT(pb), 0, 0, BIGDOC_IMAGE_SIZE(pb).h, BIGDOC_IMAGE_SIZE(pb).v); |
else |
BIGDOC_IN_RECT(pb) = r; |
|
BIGDOC_OUT_RECT(pb) = BIGDOC_IN_RECT(pb); |
SETRECT(BIGDOC_MASK_RECT(pb), 0, 0, 0, 0); |
pb->inLoPlane = pb->outLoPlane = 0; |
pb->inHiPlane = pb->outHiPlane = nplanes - 1; |
|
if (!needinput || !(e = pb->advanceState())) { |
Ptr outptr = PILOCKHANDLE(preview_handle, false); |
int blankrows = (preview_h - imgh) / 2, |
blankcols = (preview_w - imgw) / 2, |
pmrb = preview_pmap.rowBytes; |
|
evalinit(); |
|
SETRECT(outRect, 0, 0, imgw, imgh); |
|
e = process_scaled_bigdoc(pb, false, r, outRect, |
outptr + pmrb * blankrows + nplanes * blankcols, pmrb, zoomfactor); |
if (blankrows) { |
// blank rows on top of preview: |
memset_bgcolor(outptr, pmrb * blankrows); |
// blank rows below preview: |
n = preview_h - blankrows - imgh; |
memset_bgcolor(outptr + pmrb * (blankrows + imgh), pmrb * n); |
} |
if (blankcols) { |
n = preview_w - blankcols - imgw; |
outrow = outptr + pmrb * blankrows; |
for (j = blankrows; j < preview_h - blankrows; ++j) { |
// blank columns on left side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow, nplanes * blankcols); |
// blank columns on right side of preview (if picture is smaller than the preview area): |
memset_bgcolor(outrow + nplanes * (blankcols + imgw), nplanes * n); |
outrow += pmrb; |
} |
} |
|
if (!e) { |
preview_complete = true; |
|
#ifdef WIN_ENV |
{ |
extern HWND preview_hwnd; |
HDC hdc = GetDC(preview_hwnd); |
|
drawpreview(dp, hdc, outptr); |
|
ReleaseDC(preview_hwnd, hdc); |
} |
#else |
{ |
GrafPtr saveport; |
|
GetPort(&saveport); |
SetPortDialogPort(dp); |
|
drawpreview(dp, NULL, outptr); |
|
SetPort(saveport); |
} |
#endif |
} |
|
PIUNLOCKHANDLE(preview_handle); |
} |
|
if (e && !previewerr) { |
alertuser(_strdup("Could not build preview at chosen zoom level."), |
e == memFullErr && !needall ? _strdup("The image is too large for available memory. Try zooming in.\nIf that does not help, cancel and retry the filter.") : _strdup("")); |
previewerr = true; |
} |
|
} |
} |
|
void recalc_preview(FilterRecordPtr pb, DIALOGREF dp) { |
if (HAS_BIG_DOC(pb)) { |
recalc_preview_bigdoc(pb, dp); |
} |
else { |
recalc_preview_olddoc(pb, dp); |
} |
} |
|
OSErr drawpreview(DIALOGREF dp,void *hdc,Ptr imageptr){ |
intptr_t watchsusp; |
OSErr e = noErr; |
VRect srcRect; |
UIRECT imagebounds; |
|
if(preview_handle && preview_complete){ |
|
srcRect = preview_pmap.bounds; |
|
imagebounds.left = (preview_rect.left + preview_rect.right - preview_w)/2; |
imagebounds.top = (preview_rect.top + preview_rect.bottom - preview_h)/2; |
imagebounds.right = imagebounds.left + preview_w; |
imagebounds.bottom = imagebounds.top + preview_h; |
|
preview_pmap.baseAddr = imageptr; |
preview_pmask.maskData = imageptr+3; // FIXME: is this offset correct for all modes?! |
|
if(gpb->propertyProcs->getPropertyProc){ |
gpb->propertyProcs->getPropertyProc(kPhotoshopSignature,propWatchSuspension,0,&watchsusp,NULL); |
gpb->propertyProcs->setPropertyProc(kPhotoshopSignature,propWatchSuspension,0,watchsusp+1,NULL); |
} |
|
e = gpb->displayPixels(&preview_pmap,&srcRect,imagebounds.top,imagebounds.left,hdc); |
|
if(gpb->propertyProcs->getPropertyProc) |
gpb->propertyProcs->setPropertyProc(kPhotoshopSignature,propWatchSuspension,0,watchsusp,NULL); |
} |
return e; |
} |