///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2004-2012, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
#include "compareB44.h"
#include "compareDwa.h"
#include <ImfTiledRgbaFile.h>
#include <ImfTiledOutputFile.h>
#include <ImfChannelList.h>
#include <ImfFrameBuffer.h>
#include <ImfArray.h>
#include <ImfThreading.h>
#include <IlmThread.h>
#include <ImathRandom.h>
#include <string>
#include <stdio.h>
#include <assert.h>
#include <vector>
#include <math.h>
#include <algorithm>
using namespace OPENEXR_IMF_NAMESPACE;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace {
void
fillPixels (Array2D<Rgba> &pixels, int w, int h)
{
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
Rgba &p = pixels[y][x];
p.r = 0.5 + 0.5 * sin (0.1 * x + 0.1 * y);
p.g = 0.5 + 0.5 * sin (0.1 * x + 0.2 * y);
p.b = 0.5 + 0.5 * sin (0.1 * x + 0.3 * y);
p.a = (p.r + p.b + p.g) / 3.0;
}
}
}
void
writeReadRGBAONE (const char fileName[],
int width,
int height,
RgbaChannels channels,
Compression comp,
int xSize, int ySize)
{
cout << "levelMode 0" <<
", compression " << comp <<
", tileSize " << xSize << "x" << ySize << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array2D<Rgba> p1 (height, width);
{
cout << " writing" << flush;
remove (fileName);
TiledRgbaOutputFile out (fileName, header, channels,
xSize, ySize, ONE_LEVEL);
fillPixels (p1, width, height);
out.setFrameBuffer (&p1[0][0], 1, width);
out.writeTiles (0, out.numXTiles() - 1, 0, out.numYTiles() - 1);
}
{
cout << " reading" << flush;
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int w = dw.max.x - dw.min.x + 1;
int h = dw.max.y - dw.min.y + 1;
int dwx = dw.min.x;
int dwy = dw.min.y;
Array2D<Rgba> p2 (h, w);
in.setFrameBuffer (&p2[-dwy][-dwx], 1, w);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
cout << " comparing" << endl << flush;
assert (in.displayWindow() == header.displayWindow());
assert (in.dataWindow() == header.dataWindow());
assert (in.pixelAspectRatio() == header.pixelAspectRatio());
assert (in.screenWindowCenter() == header.screenWindowCenter());
assert (in.screenWindowWidth() == header.screenWindowWidth());
assert (in.lineOrder() == header.lineOrder());
assert (in.compression() == header.compression());
assert (in.channels() == channels);
if (comp == B44_COMPRESSION ||
comp == B44A_COMPRESSION ||
comp == DWAA_COMPRESSION ||
comp == DWAB_COMPRESSION)
{
for (int y = 0; y < h; y += ySize)
{
for (int x = 0; x < w; x += xSize)
{
int nx = min (w - x, xSize);
int ny = min (h - y, ySize);
Array2D<Rgba> p3 (ny, nx);
Array2D<Rgba> p4 (ny, nx);
for (int y1 = 0; y1 < ny; ++y1)
{
for (int x1 = 0; x1 < nx; ++x1)
{
p3[y1][x1] = p1[y + y1][x + x1];
p4[y1][x1] = p2[y + y1][x + x1];
}
}
if (comp == B44_COMPRESSION ||
comp == B44A_COMPRESSION)
{
compareB44 (nx, ny, p3, p4, channels);
}
else if (comp == DWAA_COMPRESSION ||
comp == DWAB_COMPRESSION)
{
compareDwa (nx, ny, p3, p4, channels);
}
}
}
}
else
{
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
if (channels & WRITE_R)
assert (p2[y][x].r == p1[y][x].r);
else
assert (p2[y][x].r == 0);
if (channels & WRITE_G)
assert (p2[y][x].g == p1[y][x].g);
else
assert (p2[y][x].g == 0);
if (channels & WRITE_B)
assert (p2[y][x].b == p1[y][x].b);
else
assert (p2[y][x].b == 0);
if (channels & WRITE_A)
assert (p2[y][x].a == p1[y][x].a);
else
assert (p2[y][x].a == 1);
}
}
}
}
remove (fileName);
}
void
writeReadRGBAMIP (const char fileName[],
int width,
int height,
RgbaChannels channels,
Compression comp,
int xSize, int ySize)
{
cout << "levelMode 1" <<
", compression " << comp <<
", tileSize " << xSize << "x" << ySize << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array < Array2D<Rgba> > levels;
{
cout << " writing" << flush;
remove (fileName);
TiledRgbaOutputFile out (fileName, header, channels,
xSize, ySize, MIPMAP_LEVELS, ROUND_DOWN);
int numLevels = out.numLevels();
levels.resizeErase (numLevels);
for (int level = 0; level < out.numLevels(); ++level)
{
int levelWidth = out.levelWidth(level);
int levelHeight = out.levelHeight(level);
levels[level].resizeErase(levelHeight, levelWidth);
fillPixels (levels[level], levelWidth, levelHeight);
out.setFrameBuffer (&(levels[level])[0][0], 1, levelWidth);
out.writeTiles (0, out.numXTiles(level) - 1,
0, out.numYTiles(level) - 1, level);
}
}
{
cout << " reading" << flush;
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int dwx = dw.min.x;
int dwy = dw.min.y;
int numLevels = in.numLevels();
Array < Array2D<Rgba> > levels2 (numLevels);
for (int level = 0; level < numLevels; ++level)
{
int levelWidth = in.levelWidth(level);
int levelHeight = in.levelHeight(level);
levels2[level].resizeErase(levelHeight, levelWidth);
in.setFrameBuffer (&(levels2[level])[-dwy][-dwx], 1, levelWidth);
in.readTiles (0, in.numXTiles(level) - 1,
0, in.numYTiles(level) - 1, level);
}
cout << " comparing" << endl << flush;
assert (in.displayWindow() == header.displayWindow());
assert (in.dataWindow() == header.dataWindow());
assert (in.pixelAspectRatio() == header.pixelAspectRatio());
assert (in.screenWindowCenter() == header.screenWindowCenter());
assert (in.screenWindowWidth() == header.screenWindowWidth());
assert (in.lineOrder() == header.lineOrder());
assert (in.compression() == header.compression());
assert (in.channels() == channels);
for (int l = 0; l < numLevels; ++l)
{
for (int y = 0; y < in.levelHeight(l); ++y)
{
for (int x = 0; x < in.levelWidth(l); ++x)
{
if (channels & WRITE_R)
assert ((levels2[l])[y][x].r == (levels[l])[y][x].r);
else
assert ((levels2[l])[y][x].r == 0);
if (channels & WRITE_G)
assert ((levels2[l])[y][x].g == (levels[l])[y][x].g);
else
assert ((levels2[l])[y][x].g == 0);
if (channels & WRITE_B)
assert ((levels2[l])[y][x].b == (levels[l])[y][x].b);
else
assert ((levels2[l])[y][x].b == 0);
if (channels & WRITE_A)
assert ((levels2[l])[y][x].a == (levels[l])[y][x].a);
else
assert ((levels2[l])[y][x].a == 1);
}
}
}
}
remove (fileName);
}
void
writeReadRGBARIP (const char fileName[],
int width,
int height,
RgbaChannels channels,
Compression comp,
int xSize, int ySize)
{
cout << "levelMode 2" <<
", compression " << comp <<
", tileSize " << xSize << "x" << ySize << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array2D < Array2D<Rgba> > levels;
{
cout << " writing" << flush;
remove (fileName);
TiledRgbaOutputFile out (fileName, header, channels,
xSize, ySize, RIPMAP_LEVELS, ROUND_UP);
levels.resizeErase (out.numYLevels(), out.numXLevels());
for (int ylevel = 0; ylevel < out.numYLevels(); ++ylevel)
{
for (int xlevel = 0; xlevel < out.numXLevels(); ++xlevel)
{
int levelWidth = out.levelWidth(xlevel);
int levelHeight = out.levelHeight(ylevel);
levels[ylevel][xlevel].resizeErase(levelHeight, levelWidth);
fillPixels (levels[ylevel][xlevel], levelWidth, levelHeight);
out.setFrameBuffer (&(levels[ylevel][xlevel])[0][0], 1,
levelWidth);
out.writeTiles (0, out.numXTiles(xlevel) - 1,
0, out.numYTiles(ylevel) - 1, xlevel, ylevel);
}
}
}
{
cout << " reading" << flush;
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int dwx = dw.min.x;
int dwy = dw.min.y;
int numXLevels = in.numXLevels();
int numYLevels = in.numYLevels();
Array2D < Array2D<Rgba> > levels2 (numYLevels, numXLevels);
for (int ylevel = 0; ylevel < numYLevels; ++ylevel)
{
for (int xlevel = 0; xlevel < numXLevels; ++xlevel)
{
int levelWidth = in.levelWidth(xlevel);
int levelHeight = in.levelHeight(ylevel);
levels2[ylevel][xlevel].resizeErase(levelHeight, levelWidth);
in.setFrameBuffer (&(levels2[ylevel][xlevel])[-dwy][-dwx], 1,
levelWidth);
in.readTiles (0, in.numXTiles(xlevel) - 1,
0, in.numYTiles(ylevel) - 1, xlevel, ylevel);
}
}
cout << " comparing" << endl << flush;
assert (in.displayWindow() == header.displayWindow());
assert (in.dataWindow() == header.dataWindow());
assert (in.pixelAspectRatio() == header.pixelAspectRatio());
assert (in.screenWindowCenter() == header.screenWindowCenter());
assert (in.screenWindowWidth() == header.screenWindowWidth());
assert (in.lineOrder() == header.lineOrder());
assert (in.compression() == header.compression());
assert (in.channels() == channels);
for (int ly = 0; ly < numYLevels; ++ly)
{
for (int lx = 0; lx < numXLevels; ++lx)
{
for (int y = 0; y < in.levelHeight(ly); ++y)
{
for (int x = 0; x < in.levelWidth(lx); ++x)
{
if (channels & WRITE_R)
assert ((levels2[ly][lx])[y][x].r ==
(levels[ly][lx])[y][x].r);
else
assert ((levels2[ly][lx])[y][x].r == 0);
if (channels & WRITE_G)
assert ((levels2[ly][lx])[y][x].g ==
(levels[ly][lx])[y][x].g);
else
assert ((levels2[ly][lx])[y][x].g == 0);
if (channels & WRITE_B)
assert ((levels2[ly][lx])[y][x].b ==
(levels[ly][lx])[y][x].b);
else
assert ((levels2[ly][lx])[y][x].b == 0);
if (channels & WRITE_A)
assert ((levels2[ly][lx])[y][x].a ==
(levels[ly][lx])[y][x].a);
else
assert ((levels2[ly][lx])[y][x].a == 1);
}
}
}
}
}
remove (fileName);
}
void
writeRead (const std::string &tempDir,
int W,
int H,
Compression comp,
int xSize,
int ySize)
{
std::string filename = tempDir + "imf_test_tiled_rgba.exr";
writeReadRGBAONE (filename.c_str(), W, H, WRITE_RGBA, comp, xSize, ySize);
if (comp != B44_COMPRESSION &&
comp != B44A_COMPRESSION &&
comp != DWAA_COMPRESSION &&
comp != DWAB_COMPRESSION)
{
//
// Skip mipmaps and ripmaps with B44 or DWA compression; writing
// an image with a single resolution level, above, should be enough
// to verify that B44 and DWA compression work with tiled files.
//
writeReadRGBAMIP
(filename.c_str(), W, H, WRITE_RGBA, comp, xSize, ySize);
writeReadRGBARIP
(filename.c_str(), W, H, WRITE_RGBA, comp, xSize, ySize);
}
}
void
writeReadIncomplete (const std::string &tempDir)
{
cout << "\nfile with missing and broken tiles" << endl;
std::string fileName = tempDir + "imf_test_tiled_incomplete.exr";
//
// Write a file where every other tile is missing or broken.
// Then try read the file and verify that all existing good
// tiles can actually be read.
//
const int width = 400;
const int height = 300;
const int tileXSize = 30;
const int tileYSize = 40;
Array2D<Rgba> p1 (height, width);
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x)
p1[y][x] = Rgba (x % 5, x % 17, y % 23, y % 29);
{
cout << "writing" << endl;
remove (fileName.c_str());
Header header (width, height);
header.lineOrder() = RANDOM_Y;
TiledRgbaOutputFile out (fileName.c_str(), header, WRITE_RGBA,
tileXSize, tileYSize, ONE_LEVEL);
out.setFrameBuffer (&p1[0][0], 1, width);
out.writeTile (0, 0);
for (int tileY = 0; tileY < out.numYTiles(); ++tileY)
for (int tileX = 0; tileX < out.numXTiles(); ++tileX)
if ((tileX + tileY) & 1)
out.writeTile (tileX, tileY);
out.writeTile (2, 0);
out.breakTile (0, 0, 0, 0, 25, 10, 0xff); // destroy tiles
out.breakTile (2, 0, 0, 0, 25, 10, 0xff); // (0,0) and (2,0)
}
{
Array2D<Rgba> p2 (height, width);
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x)
p2[y][x] = Rgba (-1, -1, -1, -1);
cout << "reading one tile at a time," << flush;
TiledRgbaInputFile in (fileName.c_str());
const Box2i &dw = in.dataWindow();
assert (dw.max.x - dw.min.x + 1 == width);
assert (dw.max.y - dw.min.y + 1 == height);
assert (dw.min.x == 0);
assert (dw.min.y == 0);
in.setFrameBuffer (&p2[0][0], 1, width);
for (int tileY = 0; tileY < in.numYTiles(); ++tileY)
{
for (int tileX = 0; tileX < in.numXTiles(); ++tileX)
{
bool tilePresent = true;
bool tileBroken = false;
try
{
in.readTile (tileX, tileY);
}
catch (const IEX_NAMESPACE::InputExc &)
{
tilePresent = false; // tile is missing
}
catch (const IEX_NAMESPACE::IoExc &)
{
tileBroken = true; // tile cannot be decoded
}
assert (tileBroken || (tilePresent == ((tileX + tileY) & 1)));
}
}
cout << " comparing" << endl << flush;
for (int y = 0; y < height; ++y)
{
int tileY = y / tileYSize;
for (int x = 0; x < width; ++x)
{
int tileX = x / tileXSize;
const Rgba &s = p1[y][x];
const Rgba &t = p2[y][x];
if ((tileX + tileY) & 1)
{
assert (t.r == s.r &&
t.g == s.g &&
t.b == s.b &&
t.a == s.a);
}
else
{
assert (t.r == -1 &&
t.g == -1 &&
t.b == -1 &&
t.a == -1);
}
}
}
}
{
Array2D<Rgba> p2 (height, width);
for (int y = 0; y < height; ++y)
for (int x = 0; x < width; ++x)
p2[y][x] = Rgba (-1, -1, -1, -1);
cout << "reading multiple tiles at a time," << flush;
TiledRgbaInputFile in (fileName.c_str());
const Box2i &dw = in.dataWindow();
assert (dw.max.x - dw.min.x + 1 == width);
assert (dw.max.y - dw.min.y + 1 == height);
assert (dw.min.x == 0);
assert (dw.min.y == 0);
in.setFrameBuffer (&p2[0][0], 1, width);
for (int tileY = 0; tileY < in.numYTiles(); ++tileY)
{
bool tilesMissing = false;
bool tilesBroken = false;
try
{
in.readTiles (0, in.numXTiles() - 1, tileY, tileY);
}
catch (const IEX_NAMESPACE::InputExc &)
{
tilesMissing = true;
}
catch (const IEX_NAMESPACE::IoExc &)
{
tilesBroken = true;
}
assert (tilesMissing || tilesBroken);
}
cout << " comparing" << endl << flush;
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
const Rgba &s = p1[y][x];
const Rgba &t = p2[y][x];
assert ((t.r == -1 && t.g == -1 && t.b == -1 && t.a == -1) ||
(t.r == s.r && t.g == s.g && t.b == s.b && t.a == s.a));
}
}
}
remove (fileName.c_str());
}
void
writeReadLayers(const std::string &tempDir)
{
cout << "\nreading multi-layer file" << endl;
std::string fileName = tempDir + "imf_test_tiled_multi_layer_rgba.exr";
const int W = 237;
const int H = 119;
Array2D<half> p1 (H, W);
Array2D<half> p2 (H, W);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
p1[y][x] = half (y % 23 + x % 17);
p2[y][x] = half (y % 29 + x % 19);
}
}
{
Header hdr (W, H);
hdr.setTileDescription (TileDescription());
hdr.channels().insert ("R", Channel (HALF));
hdr.channels().insert ("foo.R", Channel (HALF));
FrameBuffer fb;
fb.insert ("R",
Slice (HALF, // type
(char *) &p1[0][0], // base
sizeof (half), // xStride
sizeof (half) * W)); // yStride
fb.insert ("foo.R",
Slice (HALF, // type
(char *) &p2[0][0], // base
sizeof (half), // xStride
sizeof (half) * W)); // yStride
TiledOutputFile out (fileName.c_str(), hdr);
out.setFrameBuffer (fb);
out.writeTiles (0, out.numXTiles() - 1, 0, out.numYTiles() - 1);
}
{
TiledRgbaInputFile in (fileName.c_str(), "");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
assert (p3[y][x].r == p1[y][x]);
assert (p3[y][x].g == 0);
assert (p3[y][x].b == 0);
assert (p3[y][x].a == 1);
}
}
}
{
TiledRgbaInputFile in (fileName.c_str(), "foo");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
assert (p3[y][x].r == p2[y][x]);
assert (p3[y][x].g == 0);
assert (p3[y][x].b == 0);
assert (p3[y][x].a == 1);
}
}
}
{
TiledRgbaInputFile in (fileName.c_str(), "");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1,
0, in.numYTiles() / 2 - 1);
in.setLayerName ("foo");
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1,
in.numYTiles() / 2, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
if (y < in.numYTiles() / 2 * in.tileYSize())
assert (p3[y][x].r == p1[y][x]);
else
assert (p3[y][x].r == p2[y][x]);
assert (p3[y][x].g == 0);
assert (p3[y][x].b == 0);
assert (p3[y][x].a == 1);
}
}
}
{
Header hdr (W, H);
hdr.setTileDescription (TileDescription());
hdr.channels().insert ("Y", Channel (HALF));
hdr.channels().insert ("foo.Y", Channel (HALF));
FrameBuffer fb;
fb.insert ("Y",
Slice (HALF, // type
(char *) &p1[0][0], // base
sizeof (half), // xStride
sizeof (half) * W)); // yStride
fb.insert ("foo.Y",
Slice (HALF, // type
(char *) &p2[0][0], // base
sizeof (half), // xStride
sizeof (half) * W)); // yStride
TiledOutputFile out (fileName.c_str(), hdr);
out.setFrameBuffer (fb);
out.writeTiles (0, out.numXTiles() - 1, 0, out.numYTiles() - 1);
}
{
TiledRgbaInputFile in (fileName.c_str(), "");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
assert (p3[y][x].r == p1[y][x]);
assert (p3[y][x].g == p1[y][x]);
assert (p3[y][x].b == p1[y][x]);
assert (p3[y][x].a == 1);
}
}
}
{
TiledRgbaInputFile in (fileName.c_str(), "foo");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
assert (p3[y][x].r == p2[y][x]);
assert (p3[y][x].g == p2[y][x]);
assert (p3[y][x].b == p2[y][x]);
assert (p3[y][x].a == 1);
}
}
}
{
TiledRgbaInputFile in (fileName.c_str(), "");
Array2D<Rgba> p3 (H, W);
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1,
0, in.numYTiles() / 2 - 1);
in.setLayerName ("foo");
in.setFrameBuffer (&p3[0][0], 1, W);
in.readTiles (0, in.numXTiles() - 1,
in.numYTiles() / 2, in.numYTiles() - 1);
for (int y = 0; y < H; ++y)
{
for (int x = 0; x < W; ++x)
{
if (y < in.numYTiles() / 2 * in.tileYSize())
{
assert (p3[y][x].r == p1[y][x]);
assert (p3[y][x].g == p1[y][x]);
assert (p3[y][x].b == p1[y][x]);
}
else
{
assert (p3[y][x].r == p2[y][x]);
assert (p3[y][x].g == p2[y][x]);
assert (p3[y][x].b == p2[y][x]);
}
assert (p3[y][x].a == 1);
}
}
}
remove (fileName.c_str());
}
} // namespace
void
testTiledRgba (const std::string &tempDir)
{
try
{
cout << "Testing the tiled RGBA image interface" << endl;
int maxThreads = ILMTHREAD_NAMESPACE::supportsThreads()? 3: 0;
for (int n = 0; n <= maxThreads; ++n)
{
if (ILMTHREAD_NAMESPACE::supportsThreads())
{
setGlobalThreadCount (n);
cout << "\nnumber of threads: " << globalThreadCount() << endl;
}
const int W[] = { 9, 69, 75, 80 };
const int H[] = { 7, 50, 52, 55 };
for (int i = 0; i < 4; ++i)
{
cout << "\nImage size = " << W[i] << " x " << H[i] << endl;
for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
{
//
// for tiled files, ZIPS and ZIP are the same thing
//
if (comp == ZIP_COMPRESSION)
comp++;
if (i == 0)
{
//
// for single-pixel tiles, we don't gain anything
// by testing multiple image sizes (and singe-pixel
// tiles are rather slow anyway)
//
writeRead (tempDir, W[i], H[i], Compression (comp), 1, 1);
}
writeRead (tempDir, W[i], H[i], Compression (comp), 35, 26);
writeRead (tempDir, W[i], H[i], Compression (comp), 75, 52);
writeRead (tempDir, W[i], H[i], Compression (comp), 264, 129);
}
}
writeReadIncomplete (tempDir);
}
writeReadLayers (tempDir);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}