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DIBBITBLT Record

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git-svn-id: https://svn.apache.org/repos/asf/poi/branches/wmf_render@1566465 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker 2014-02-09 23:06:22 +00:00
parent f0c2bda1a6
commit 87a6135199
3 changed files with 168 additions and 94 deletions
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92
src/scratchpad/src/org/apache/poi/hwmf/record/WmfBitmap.java
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@ -1,92 +0,0 @@
package org.apache.poi.hwmf.record;
import java.io.IOException;
import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.LittleEndianInputStream;
public class WmfBitmap {
/**
* The META_SETDIBTODEV record sets a block of pixels in the playback device context
* using deviceindependent color data.
* The source of the color data is a DIB
*/
public static class WmfSetDibToDev implements WmfRecord {
/**
* A 16-bit unsigned integer that defines whether the Colors field of the
* DIB contains explicit RGB values or indexes into a palette.
* This MUST be one of the values in the ColorUsage Enumeration:
* DIB_RGB_COLORS = 0x0000,
* DIB_PAL_COLORS = 0x0001,
* DIB_PAL_INDICES = 0x0002
*/
int colorUsage;
/**
* A 16-bit unsigned integer that defines the number of scan lines in the source.
*/
int scanCount;
/**
* A 16-bit unsigned integer that defines the starting scan line in the source.
*/
int startScan;
/**
* A 16-bit unsigned integer that defines the y-coordinate, in logical units, of the
* source rectangle.
*/
int yDib;
/**
* A 16-bit unsigned integer that defines the x-coordinate, in logical units, of the
* source rectangle.
*/
int xDib;
/**
* A 16-bit unsigned integer that defines the height, in logical units, of the
* source and destination rectangles.
*/
int height;
/**
* A 16-bit unsigned integer that defines the width, in logical units, of the
* source and destination rectangles.
*/
int width;
/**
* A 16-bit unsigned integer that defines the y-coordinate, in logical units, of the
* upper-left corner of the destination rectangle.
*/
int yDest;
/**
* A 16-bit unsigned integer that defines the x-coordinate, in logical units, of the
* upper-left corner of the destination rectangle.
*/
int xDest;
/**
* A variable-sized DeviceIndependentBitmap Object that is the source of the color data.
*/
WmfBitmapDib dib;
public WmfRecordType getRecordType() {
return WmfRecordType.setDibToDev;
}
public int init(LittleEndianInputStream leis, long recordSize, int recordFunction) throws IOException {
colorUsage = leis.readUShort();
scanCount = leis.readUShort();
startScan = leis.readUShort();
yDib = leis.readUShort();
xDib = leis.readUShort();
height = leis.readUShort();
width = leis.readUShort();
yDest = leis.readUShort();
xDest = leis.readUShort();
int size = 9*LittleEndianConsts.SHORT_SIZE;
dib = new WmfBitmapDib();
size += dib.init(leis);
return size;
}
}
}

166
src/scratchpad/src/org/apache/poi/hwmf/record/WmfFill.java
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@ -421,4 +421,170 @@ public class WmfFill {
return size;
}
}
/**
* The META_SETDIBTODEV record sets a block of pixels in the playback device context
* using deviceindependent color data.
* The source of the color data is a DIB
*/
public static class WmfSetDibToDev implements WmfRecord {
/**
* A 16-bit unsigned integer that defines whether the Colors field of the
* DIB contains explicit RGB values or indexes into a palette.
* This MUST be one of the values in the ColorUsage Enumeration:
* DIB_RGB_COLORS = 0x0000,
* DIB_PAL_COLORS = 0x0001,
* DIB_PAL_INDICES = 0x0002
*/
int colorUsage;
/**
* A 16-bit unsigned integer that defines the number of scan lines in the source.
*/
int scanCount;
/**
* A 16-bit unsigned integer that defines the starting scan line in the source.
*/
int startScan;
/**
* A 16-bit unsigned integer that defines the y-coordinate, in logical units, of the
* source rectangle.
*/
int yDib;
/**
* A 16-bit unsigned integer that defines the x-coordinate, in logical units, of the
* source rectangle.
*/
int xDib;
/**
* A 16-bit unsigned integer that defines the height, in logical units, of the
* source and destination rectangles.
*/
int height;
/**
* A 16-bit unsigned integer that defines the width, in logical units, of the
* source and destination rectangles.
*/
int width;
/**
* A 16-bit unsigned integer that defines the y-coordinate, in logical units, of the
* upper-left corner of the destination rectangle.
*/
int yDest;
/**
* A 16-bit unsigned integer that defines the x-coordinate, in logical units, of the
* upper-left corner of the destination rectangle.
*/
int xDest;
/**
* A variable-sized DeviceIndependentBitmap Object that is the source of the color data.
*/
WmfBitmapDib dib;
public WmfRecordType getRecordType() {
return WmfRecordType.setDibToDev;
}
public int init(LittleEndianInputStream leis, long recordSize, int recordFunction) throws IOException {
colorUsage = leis.readUShort();
scanCount = leis.readUShort();
startScan = leis.readUShort();
yDib = leis.readUShort();
xDib = leis.readUShort();
height = leis.readUShort();
width = leis.readUShort();
yDest = leis.readUShort();
xDest = leis.readUShort();
int size = 9*LittleEndianConsts.SHORT_SIZE;
dib = new WmfBitmapDib();
size += dib.init(leis);
return size;
}
}
public static class WmfDibBitBlt implements WmfRecord {
/**
* A 32-bit unsigned integer that defines how the source pixels, the current brush
* in the playback device context, and the destination pixels are to be combined to form the
* new image. This code MUST be one of the values in the Ternary Raster Operation Enumeration.
*/
WmfTernaryRasterOp rasterOperation;
/**
* A 16-bit signed integer that defines the y-coordinate, in logical units, of the source rectangle.
*/
int ySrc;
/**
* A 16-bit signed integer that defines the x-coordinate, in logical units, of the source rectangle.
*/
int xSrc;
/**
* A 16-bit signed integer that defines the height, in logical units, of the source and
* destination rectangles.
*/
int height;
/**
* A 16-bit signed integer that defines the width, in logical units, of the source and destination
* rectangles.
*/
int width;
/**
* A 16-bit signed integer that defines the y-coordinate, in logical units, of the upper-left
* corner of the destination rectangle.
*/
int yDest;
/**
* A 16-bit signed integer that defines the x-coordinate, in logical units, of the upper-left
* corner of the destination rectangle.
*/
int xDest;
/**
* A variable-sized DeviceIndependentBitmap Object that defines image content.
* This object MUST be specified, even if the raster operation does not require a source.
*/
WmfBitmapDib target;
public WmfRecordType getRecordType() {
return WmfRecordType.dibBitBlt;
}
public int init(LittleEndianInputStream leis, long recordSize, int recordFunction) throws IOException {
boolean hasBitmap = (recordSize > ((recordFunction >> 8) + 3));
int size = 0;
int rasterOpIndex = leis.readUShort();
int rasterOpCode = leis.readUShort();
rasterOperation = WmfTernaryRasterOp.fromOpIndex(rasterOpIndex);
assert(rasterOpCode == rasterOperation.opCode);
ySrc = leis.readShort();
xSrc = leis.readShort();
size = 4*LittleEndianConsts.SHORT_SIZE;
if (!hasBitmap) {
@SuppressWarnings("unused")
int reserved = leis.readShort();
size += LittleEndianConsts.SHORT_SIZE;
}
height = leis.readShort();
width = leis.readShort();
yDest = leis.readShort();
xDest = leis.readShort();
size += 4*LittleEndianConsts.SHORT_SIZE;
if (hasBitmap) {
target = new WmfBitmapDib();
size += target.init(leis);
}
return size;
}
}
}

4
src/scratchpad/src/org/apache/poi/hwmf/record/WmfRecordType.java
View File

@ -60,8 +60,8 @@ public enum WmfRecordType {
chord(0x0830, WmfDraw.WmfChord.class),
bitBlt(0x0922, WmfFill.WmfBitBlt.class),
extTextOut(0x0a32, WmfText.WmfExtTextOut.class),
setDibToDev(0x0d33, WmfBitmap.WmfSetDibToDev.class),
dibBitBlt(0x0940, null),
setDibToDev(0x0d33, WmfFill.WmfSetDibToDev.class),
dibBitBlt(0x0940, WmfFill.WmfDibBitBlt.class),
dibStretchBlt(0x0b41, null),
stretchDib(0x0f43, null),
deleteObject(0x01f0, null),