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Diffstat (limited to 'Build/source/libs/poppler/poppler-0.12.4/splash/SplashClip.cc')
-rw-r--r--Build/source/libs/poppler/poppler-0.12.4/splash/SplashClip.cc382
1 files changed, 0 insertions, 382 deletions
diff --git a/Build/source/libs/poppler/poppler-0.12.4/splash/SplashClip.cc b/Build/source/libs/poppler/poppler-0.12.4/splash/SplashClip.cc
deleted file mode 100644
index 87b0d7ef56b..00000000000
--- a/Build/source/libs/poppler/poppler-0.12.4/splash/SplashClip.cc
+++ /dev/null
@@ -1,382 +0,0 @@
-//========================================================================
-//
-// SplashClip.cc
-//
-//========================================================================
-
-#include <config.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma implementation
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include "goo/gmem.h"
-#include "SplashErrorCodes.h"
-#include "SplashPath.h"
-#include "SplashXPath.h"
-#include "SplashXPathScanner.h"
-#include "SplashBitmap.h"
-#include "SplashClip.h"
-
-//------------------------------------------------------------------------
-// SplashClip.flags
-//------------------------------------------------------------------------
-
-#define splashClipEO 0x01 // use even-odd rule
-
-//------------------------------------------------------------------------
-// SplashClip
-//------------------------------------------------------------------------
-
-SplashClip::SplashClip(SplashCoord x0, SplashCoord y0,
- SplashCoord x1, SplashCoord y1,
- GBool antialiasA) {
- antialias = antialiasA;
- if (x0 < x1) {
- xMin = x0;
- xMax = x1;
- } else {
- xMin = x1;
- xMax = x0;
- }
- if (y0 < y1) {
- yMin = y0;
- yMax = y1;
- } else {
- yMin = y1;
- yMax = y0;
- }
- xMinI = splashFloor(xMin);
- yMinI = splashFloor(yMin);
- xMaxI = splashFloor(xMax);
- yMaxI = splashFloor(yMax);
- paths = NULL;
- flags = NULL;
- scanners = NULL;
- length = size = 0;
-}
-
-SplashClip::SplashClip(SplashClip *clip) {
- int i;
-
- antialias = clip->antialias;
- xMin = clip->xMin;
- yMin = clip->yMin;
- xMax = clip->xMax;
- yMax = clip->yMax;
- xMinI = clip->xMinI;
- yMinI = clip->yMinI;
- xMaxI = clip->xMaxI;
- yMaxI = clip->yMaxI;
- length = clip->length;
- size = clip->size;
- paths = (SplashXPath **)gmallocn(size, sizeof(SplashXPath *));
- flags = (Guchar *)gmallocn(size, sizeof(Guchar));
- scanners = (SplashXPathScanner **)
- gmallocn(size, sizeof(SplashXPathScanner *));
- for (i = 0; i < length; ++i) {
- paths[i] = clip->paths[i]->copy();
- flags[i] = clip->flags[i];
- scanners[i] = new SplashXPathScanner(paths[i], flags[i] & splashClipEO);
- }
-}
-
-SplashClip::~SplashClip() {
- int i;
-
- for (i = 0; i < length; ++i) {
- delete paths[i];
- delete scanners[i];
- }
- gfree(paths);
- gfree(flags);
- gfree(scanners);
-}
-
-void SplashClip::grow(int nPaths) {
- if (length + nPaths > size) {
- if (size == 0) {
- size = 32;
- }
- while (size < length + nPaths) {
- size *= 2;
- }
- paths = (SplashXPath **)greallocn(paths, size, sizeof(SplashXPath *));
- flags = (Guchar *)greallocn(flags, size, sizeof(Guchar));
- scanners = (SplashXPathScanner **)
- greallocn(scanners, size, sizeof(SplashXPathScanner *));
- }
-}
-
-void SplashClip::resetToRect(SplashCoord x0, SplashCoord y0,
- SplashCoord x1, SplashCoord y1) {
- int i;
-
- for (i = 0; i < length; ++i) {
- delete paths[i];
- delete scanners[i];
- }
- gfree(paths);
- gfree(flags);
- gfree(scanners);
- paths = NULL;
- flags = NULL;
- scanners = NULL;
- length = size = 0;
-
- if (x0 < x1) {
- xMin = x0;
- xMax = x1;
- } else {
- xMin = x1;
- xMax = x0;
- }
- if (y0 < y1) {
- yMin = y0;
- yMax = y1;
- } else {
- yMin = y1;
- yMax = y0;
- }
- xMinI = splashFloor(xMin);
- yMinI = splashFloor(yMin);
- xMaxI = splashFloor(xMax);
- yMaxI = splashFloor(yMax);
-}
-
-SplashError SplashClip::clipToRect(SplashCoord x0, SplashCoord y0,
- SplashCoord x1, SplashCoord y1) {
- if (x0 < x1) {
- if (x0 > xMin) {
- xMin = x0;
- xMinI = splashFloor(xMin);
- }
- if (x1 < xMax) {
- xMax = x1;
- xMaxI = splashFloor(xMax);
- }
- } else {
- if (x1 > xMin) {
- xMin = x1;
- xMinI = splashFloor(xMin);
- }
- if (x0 < xMax) {
- xMax = x0;
- xMaxI = splashFloor(xMax);
- }
- }
- if (y0 < y1) {
- if (y0 > yMin) {
- yMin = y0;
- yMinI = splashFloor(yMin);
- }
- if (y1 < yMax) {
- yMax = y1;
- yMaxI = splashFloor(yMax);
- }
- } else {
- if (y1 > yMin) {
- yMin = y1;
- yMinI = splashFloor(yMin);
- }
- if (y0 < yMax) {
- yMax = y0;
- yMaxI = splashFloor(yMax);
- }
- }
- return splashOk;
-}
-
-SplashError SplashClip::clipToPath(SplashPath *path, SplashCoord *matrix,
- SplashCoord flatness, GBool eo) {
- SplashXPath *xPath;
-
- xPath = new SplashXPath(path, matrix, flatness, gTrue);
-
- // check for an empty path
- if (xPath->length == 0) {
- xMax = xMin - 1;
- yMax = yMin - 1;
- xMaxI = splashFloor(xMax);
- yMaxI = splashFloor(yMax);
- delete xPath;
-
- // check for a rectangle
- } else if (xPath->length == 4 &&
- ((xPath->segs[0].x0 == xPath->segs[0].x1 &&
- xPath->segs[0].x0 == xPath->segs[1].x0 &&
- xPath->segs[0].x0 == xPath->segs[3].x1 &&
- xPath->segs[2].x0 == xPath->segs[2].x1 &&
- xPath->segs[2].x0 == xPath->segs[1].x1 &&
- xPath->segs[2].x0 == xPath->segs[3].x0 &&
- xPath->segs[1].y0 == xPath->segs[1].y1 &&
- xPath->segs[1].y0 == xPath->segs[0].y1 &&
- xPath->segs[1].y0 == xPath->segs[2].y0 &&
- xPath->segs[3].y0 == xPath->segs[3].y1 &&
- xPath->segs[3].y0 == xPath->segs[0].y0 &&
- xPath->segs[3].y0 == xPath->segs[2].y1) ||
- (xPath->segs[0].y0 == xPath->segs[0].y1 &&
- xPath->segs[0].y0 == xPath->segs[1].y0 &&
- xPath->segs[0].y0 == xPath->segs[3].y1 &&
- xPath->segs[2].y0 == xPath->segs[2].y1 &&
- xPath->segs[2].y0 == xPath->segs[1].y1 &&
- xPath->segs[2].y0 == xPath->segs[3].y0 &&
- xPath->segs[1].x0 == xPath->segs[1].x1 &&
- xPath->segs[1].x0 == xPath->segs[0].x1 &&
- xPath->segs[1].x0 == xPath->segs[2].x0 &&
- xPath->segs[3].x0 == xPath->segs[3].x1 &&
- xPath->segs[3].x0 == xPath->segs[0].x0 &&
- xPath->segs[3].x0 == xPath->segs[2].x1))) {
- clipToRect(xPath->segs[0].x0, xPath->segs[0].y0,
- xPath->segs[2].x0, xPath->segs[2].y0);
- delete xPath;
-
- } else {
- grow(1);
- if (antialias) {
- xPath->aaScale();
- }
- xPath->sort();
- paths[length] = xPath;
- flags[length] = eo ? splashClipEO : 0;
- scanners[length] = new SplashXPathScanner(xPath, eo);
- ++length;
- }
-
- return splashOk;
-}
-
-GBool SplashClip::test(int x, int y) {
- int i;
-
- // check the rectangle
- if (x < xMinI || x > xMaxI || y < yMinI || y > yMaxI) {
- return gFalse;
- }
-
- // check the paths
- if (antialias) {
- for (i = 0; i < length; ++i) {
- if (!scanners[i]->test(x * splashAASize, y * splashAASize)) {
- return gFalse;
- }
- }
- } else {
- for (i = 0; i < length; ++i) {
- if (!scanners[i]->test(x, y)) {
- return gFalse;
- }
- }
- }
-
- return gTrue;
-}
-
-SplashClipResult SplashClip::testRect(int rectXMin, int rectYMin,
- int rectXMax, int rectYMax) {
- // This tests the rectangle:
- // x = [rectXMin, rectXMax + 1) (note: rect coords are ints)
- // y = [rectYMin, rectYMax + 1)
- // against the clipping region:
- // x = [xMin, xMax] (note: clipping coords are fp)
- // y = [yMin, yMax]
- if ((SplashCoord)(rectXMax + 1) <= xMin || (SplashCoord)rectXMin > xMax ||
- (SplashCoord)(rectYMax + 1) <= yMin || (SplashCoord)rectYMin > yMax) {
- return splashClipAllOutside;
- }
- if ((SplashCoord)rectXMin >= xMin && (SplashCoord)(rectXMax + 1) <= xMax &&
- (SplashCoord)rectYMin >= yMin && (SplashCoord)(rectYMax + 1) <= yMax &&
- length == 0) {
- return splashClipAllInside;
- }
- return splashClipPartial;
-}
-
-SplashClipResult SplashClip::testSpan(int spanXMin, int spanXMax, int spanY) {
- int i;
-
- // This tests the rectangle:
- // x = [spanXMin, spanXMax + 1) (note: span coords are ints)
- // y = [spanY, spanY + 1)
- // against the clipping region:
- // x = [xMin, xMax] (note: clipping coords are fp)
- // y = [yMin, yMax]
- if ((SplashCoord)(spanXMax + 1) <= xMin || (SplashCoord)spanXMin > xMax ||
- (SplashCoord)(spanY + 1) <= yMin || (SplashCoord)spanY > yMax) {
- return splashClipAllOutside;
- }
- if (!((SplashCoord)spanXMin >= xMin && (SplashCoord)(spanXMax + 1) <= xMax &&
- (SplashCoord)spanY >= yMin && (SplashCoord)(spanY + 1) <= yMax)) {
- return splashClipPartial;
- }
- if (antialias) {
- for (i = 0; i < length; ++i) {
- if (!scanners[i]->testSpan(spanXMin * splashAASize,
- spanXMax * splashAASize + (splashAASize - 1),
- spanY * splashAASize)) {
- return splashClipPartial;
- }
- }
- } else {
- for (i = 0; i < length; ++i) {
- if (!scanners[i]->testSpan(spanXMin, spanXMax, spanY)) {
- return splashClipPartial;
- }
- }
- }
- return splashClipAllInside;
-}
-
-void SplashClip::clipAALine(SplashBitmap *aaBuf, int *x0, int *x1, int y) {
- int xx0, xx1, xx, yy, i;
- SplashColorPtr p;
-
- // zero out pixels with x < xMin
- xx0 = *x0 * splashAASize;
- xx1 = splashFloor(xMin * splashAASize);
- if (xx1 > aaBuf->getWidth()) {
- xx1 = aaBuf->getWidth();
- }
- if (xx0 < xx1) {
- xx0 &= ~7;
- for (yy = 0; yy < splashAASize; ++yy) {
- p = aaBuf->getDataPtr() + yy * aaBuf->getRowSize() + (xx0 >> 3);
- for (xx = xx0; xx + 7 < xx1; xx += 8) {
- *p++ = 0;
- }
- if (xx < xx1) {
- *p &= 0xff >> (xx1 & 7);
- }
- }
- *x0 = splashFloor(xMin);
- }
-
- // zero out pixels with x > xMax
- xx0 = splashFloor(xMax * splashAASize) + 1;
- if (xx0 < 0) {
- xx0 = 0;
- }
- xx1 = (*x1 + 1) * splashAASize;
- if (xx0 < xx1) {
- for (yy = 0; yy < splashAASize; ++yy) {
- p = aaBuf->getDataPtr() + yy * aaBuf->getRowSize() + (xx0 >> 3);
- xx = xx0;
- if (xx & 7) {
- *p &= 0xff00 >> (xx & 7);
- xx = (xx & ~7) + 8;
- ++p;
- }
- for (; xx < xx1; xx += 8) {
- *p++ = 0;
- }
- }
- *x1 = splashFloor(xMax);
- }
-
- // check the paths
- for (i = 0; i < length; ++i) {
- scanners[i]->clipAALine(aaBuf, x0, x1, y);
- }
-}