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Added an (empty) destructor. Use a const BRegion (since we can now), honour

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the 80 column limit. Some comment clarification.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31853 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2009-07-28 16:56:29 +00:00
parent 0ed66b2314
commit 8752f52d71
2 changed files with 48 additions and 28 deletions
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5
headers/private/interface/PictureDataWriter.h
View File

@ -23,7 +23,8 @@ class PictureDataWriter {
public:
PictureDataWriter();
PictureDataWriter(BPositionIO *data);
virtual ~PictureDataWriter();
status_t SetTo(BPositionIO *data);
status_t WriteSetHighColor(const rgb_color &color);
@ -35,7 +36,7 @@ public:
status_t WriteSetLineMode(const cap_mode &cap, const join_mode &join, const float &miterLimit);
status_t WriteSetScale(const float &scale);
status_t WriteSetPattern(const pattern &pat);
status_t WriteSetClipping(/*const */BRegion &region);
status_t WriteSetClipping(const BRegion &region);
status_t WriteClearClipping();
status_t WritePushState();

71
src/kits/interface/PictureDataWriter.cpp
View File

@ -1,9 +1,9 @@
/*
* Copyright 2006, Haiku Inc.
* Copyright 2006-2009, Haiku Inc.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stefano Ceccherini (burton666@libero.it)
* Stefano Ceccherini (stefano.ceccherini@gmail.com)
*/
#include <PictureDataWriter.h>
@ -21,8 +21,8 @@
#define THROW_ERROR(error) throw (status_t)(error)
// TODO: Review writing of strings. AFAIK in the picture data format
// They are not supposed to be NULL terminated (at least, it's not mandatory)
// and we should write their size.
// They are not supposed to be NULL terminated
// (at least, it's not mandatory) so we should write their size too.
PictureDataWriter::PictureDataWriter()
:
fData(NULL)
@ -37,6 +37,11 @@ PictureDataWriter::PictureDataWriter(BPositionIO *data)
}
PictureDataWriter::~PictureDataWriter()
{
}
status_t
PictureDataWriter::SetTo(BPositionIO *data)
{
@ -122,7 +127,8 @@ PictureDataWriter::WriteSetPenSize(const float &penSize)
status_t
PictureDataWriter::WriteSetLineMode(const cap_mode &cap, const join_mode &join, const float &miterLimit)
PictureDataWriter::WriteSetLineMode(const cap_mode &cap,
const join_mode &join, const float &miterLimit)
{
try {
BeginOp(B_PIC_SET_LINE_MODE);
@ -166,7 +172,7 @@ PictureDataWriter::WriteSetPattern(const pattern &pat)
status_t
PictureDataWriter::WriteSetClipping(/*const */BRegion &region)
PictureDataWriter::WriteSetClipping(const BRegion &region)
{
// TODO: I don't know if it's compatible with R5's BPicture version
try {
@ -230,7 +236,8 @@ PictureDataWriter::WriteSetLowColor(const rgb_color &color)
status_t
PictureDataWriter::WriteDrawRect(const BRect &rect, const bool &fill)
PictureDataWriter::WriteDrawRect(const BRect &rect,
const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_RECT : B_PIC_STROKE_RECT);
@ -244,7 +251,8 @@ PictureDataWriter::WriteDrawRect(const BRect &rect, const bool &fill)
status_t
PictureDataWriter::WriteDrawRoundRect(const BRect &rect, const BPoint &radius, const bool &fill)
PictureDataWriter::WriteDrawRoundRect(const BRect &rect,
const BPoint &radius, const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_ROUND_RECT : B_PIC_STROKE_ROUND_RECT);
@ -273,8 +281,9 @@ PictureDataWriter::WriteDrawEllipse(const BRect &rect, const bool &fill)
status_t
PictureDataWriter::WriteDrawArc(const BPoint &center, const BPoint &radius,
const float &startTheta, const float &arcTheta, const bool &fill)
PictureDataWriter::WriteDrawArc(const BPoint &center,
const BPoint &radius, const float &startTheta,
const float &arcTheta, const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_ARC : B_PIC_STROKE_ARC);
@ -291,8 +300,8 @@ PictureDataWriter::WriteDrawArc(const BPoint &center, const BPoint &radius,
status_t
PictureDataWriter::WriteDrawPolygon(const int32 &numPoints, BPoint *points,
const bool &isClosed, const bool &fill)
PictureDataWriter::WriteDrawPolygon(const int32 &numPoints,
BPoint *points, const bool &isClosed, const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_POLYGON : B_PIC_STROKE_POLYGON);
@ -310,7 +319,8 @@ PictureDataWriter::WriteDrawPolygon(const int32 &numPoints, BPoint *points,
status_t
PictureDataWriter::WriteDrawBezier(const BPoint points[4], const bool &fill)
PictureDataWriter::WriteDrawBezier(const BPoint points[4],
const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_BEZIER : B_PIC_STROKE_BEZIER);
@ -325,7 +335,8 @@ PictureDataWriter::WriteDrawBezier(const BPoint points[4], const bool &fill)
status_t
PictureDataWriter::WriteStrokeLine(const BPoint &start, const BPoint &end)
PictureDataWriter::WriteStrokeLine(const BPoint &start,
const BPoint &end)
{
try {
BeginOp(B_PIC_STROKE_LINE);
@ -340,8 +351,9 @@ PictureDataWriter::WriteStrokeLine(const BPoint &start, const BPoint &end)
status_t
PictureDataWriter::WriteDrawString(const BPoint &where, const char *string,
const int32 &length, const escapement_delta &escapement)
PictureDataWriter::WriteDrawString(const BPoint &where,
const char *string, const int32 &length,
const escapement_delta &escapement)
{
try {
BeginOp(B_PIC_SET_PEN_LOCATION);
@ -351,7 +363,8 @@ PictureDataWriter::WriteDrawString(const BPoint &where, const char *string,
BeginOp(B_PIC_DRAW_STRING);
Write<float>(escapement.space);
Write<float>(escapement.nonspace);
//WriteData(string, length + 1); // TODO: is string 0 terminated? why is length given?
//WriteData(string, length + 1);
// TODO: is string 0 terminated? why is length given?
WriteData(string, length);
Write<uint8>(0);
EndOp();
@ -364,8 +377,9 @@ PictureDataWriter::WriteDrawString(const BPoint &where, const char *string,
status_t
PictureDataWriter::WriteDrawShape(const int32 &opCount, const void *opList,
const int32 &ptCount, const void *ptList, const bool &fill)
PictureDataWriter::WriteDrawShape(const int32 &opCount,
const void *opList, const int32 &ptCount, const void *ptList,
const bool &fill)
{
try {
BeginOp(fill ? B_PIC_FILL_SHAPE : B_PIC_STROKE_SHAPE);
@ -383,9 +397,10 @@ PictureDataWriter::WriteDrawShape(const int32 &opCount, const void *opList,
status_t
PictureDataWriter::WriteDrawBitmap(const BRect &srcRect, const BRect &dstRect, const int32 &width, const int32 &height,
const int32 &bytesPerRow, const int32 &colorSpace, const int32 &flags,
const void *data, const int32 &length)
PictureDataWriter::WriteDrawBitmap(const BRect &srcRect,
const BRect &dstRect, const int32 &width, const int32 &height,
const int32 &bytesPerRow, const int32 &colorSpace,
const int32 &flags, const void *data, const int32 &length)
{
if (length != height * bytesPerRow)
debugger("PictureDataWriter::WriteDrawBitmap: invalid length");
@ -408,10 +423,13 @@ PictureDataWriter::WriteDrawBitmap(const BRect &srcRect, const BRect &dstRect, c
status_t
PictureDataWriter::WriteDrawPicture(const BPoint &where, const int32 &token)
PictureDataWriter::WriteDrawPicture(const BPoint &where,
const int32 &token)
{
// TODO: I'm not sure about this function. I think we need to attach the picture
// data too. The token won't be sufficient in many cases.
// TODO: I'm not sure about this function. I think we need
// to attach the picture data too.
// The token won't be sufficient in many cases (for example, when
// we archive/flatten the picture.
try {
BeginOp(B_PIC_DRAW_PICTURE);
Write<BPoint>(where);
@ -610,7 +628,8 @@ PictureDataWriter::EndOp()
// and the space occupied by the size field (size_t)
size_t size = curPos - stackPos - sizeof(size_t) - sizeof(int16);
// Size was set to 0 in BeginOp(). Now we overwrite it with the correct value
// Size was set to 0 in BeginOp()
// Now we overwrite it with the correct value
fData->Seek(stackPos + sizeof(int16), SEEK_SET);
fData->Write(&size, sizeof(size));
fData->Seek(curPos, SEEK_SET);