Subversion Repositories filter_foundry

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Regard whitespace Rev 231 → Rev 232

/trunk/preview.c
20,6 → 20,7
 
/* This is PLATFORM INDEPENDENT user interface code - mainly dialog logic */
 
#include "ff.h"
#include "preview.h"
 
#ifdef MAC_ENV
47,10 → 48,17
// 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,
pb->filterRect.right - pb->filterRect.left);
BIGDOC_FILTER_RECT(pb).right - BIGDOC_FILTER_RECT(pb).left);
preview_h = MIN(preview_rect.bottom - preview_rect.top,
pb->filterRect.bottom - pb->filterRect.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
57,8 → 65,13
preview_w = preview_rect.right - preview_rect.left;
preview_h = preview_rect.bottom - preview_rect.top;
 
zh = (pb->filterRect.right - pb->filterRect.left)/(double)preview_w;
zv = (pb->filterRect.bottom - pb->filterRect.top)/(double)preview_h;
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;
198,7 → 211,7
return ptr;
}
 
void recalc_preview(FilterRecordPtr pb,DIALOGREF dp){
void recalc_preview_olddoc(FilterRecordPtr pb, DIALOGREF dp) {
OSErr e;
double scaledw, scaledh;
int j,n,imgw,imgh;
210,11 → 223,11
if(preview_handle){
/* size of previewed area, of source image; but no larger than filtered area (selection) */
scaledw = zoomfactor*preview_w;
if(scaledw > (pb->filterRect.right - pb->filterRect.left))
scaledw = pb->filterRect.right - pb->filterRect.left;
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 > (pb->filterRect.bottom - pb->filterRect.top))
scaledh = pb->filterRect.bottom - pb->filterRect.top;
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);
227,40 → 240,40
/* compute source data rectangle (inRect) */
 
/* centre preview on filtered part of input image, adding scroll offset */
r.left = (int16)((pb->filterRect.left + pb->filterRect.right - scaledw)/2 + preview_scroll.h);
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 < pb->filterRect.left) {
preview_scroll.h += pb->filterRect.left - r.left;
r.left = pb->filterRect.left;
if (r.left < FILTER_RECT(pb).left) {
preview_scroll.h += FILTER_RECT(pb).left - r.left;
r.left = FILTER_RECT(pb).left;
}
else if(r.left+scaledw > pb->filterRect.right) {
preview_scroll.h += (int16)(pb->filterRect.right - (r.left+scaledw));
r.left = (int16)(pb->filterRect.right - scaledw);
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)(r.left + 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)((pb->filterRect.top + pb->filterRect.bottom - scaledh)/2 + preview_scroll.v);
if(r.top < pb->filterRect.top) {
preview_scroll.v += pb->filterRect.top - r.top;
r.top = pb->filterRect.top;
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(r.top+scaledh > pb->filterRect.bottom) {
preview_scroll.v += (int16)(pb->filterRect.bottom - (r.top+scaledh));
r.top = (int16)(pb->filterRect.bottom - scaledh);
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)(r.top + 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(pb->inRect,0,0,pb->imageSize.h,pb->imageSize.v);
SETRECT(IN_RECT(pb), 0, 0, IMAGE_SIZE(pb).h, IMAGE_SIZE(pb).v);
else
pb->inRect = r;
IN_RECT(pb) = r;
 
pb->outRect = pb->inRect;
SETRECT(pb->maskRect,0,0,0,0);
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;
 
274,7 → 287,7
 
SETRECT(outRect,0,0,imgw,imgh);
 
e = process_scaled(pb, false, &r, &outRect,
e = process_scaled_olddoc(pb, false, r, outRect,
outptr + pmrb*blankrows + nplanes*blankcols, pmrb, zoomfactor);
if(blankrows){
// blank rows on top of preview:
333,6 → 346,150
}
}
 
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;