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222 lines
8.4 KiB
C++
222 lines
8.4 KiB
C++
/* vim: set sw=4 sts=4 et cin: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is OS/2 code in Thebes.
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*
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* The Initial Developer of the Original Code is
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* Peter Weilbacher <mozilla@Weilbacher.org>.
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* Portions created by the Initial Developer are Copyright (C) 2006-2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "gfxOS2Surface.h"
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#include <stdio.h>
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/**********************************************************************
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* class gfxOS2Surface
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**********************************************************************/
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gfxOS2Surface::gfxOS2Surface(const gfxIntSize& aSize,
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gfxASurface::gfxImageFormat aImageFormat)
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: mHasWnd(PR_FALSE), mSize(aSize)
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::gfxOS2Surface(Size=%dx%d, %d)\n", (unsigned int)this,
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aSize.width, aSize.height, aImageFormat);
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#endif
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// in this case we don't have a window, so we create a memory presentation
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// space to construct the cairo surface on
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// create a PS, partly taken from nsOffscreenSurface::Init(), i.e. nsDrawingSurfaceOS2.cpp
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DEVOPENSTRUC dop = { 0, 0, 0, 0, 0 };
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SIZEL sizel = { 0, 0 }; // use same page size as device
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mDC = DevOpenDC(0, OD_MEMORY, (PSZ)"*", 5, (PDEVOPENDATA)&dop, NULLHANDLE);
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NS_ASSERTION(mDC != DEV_ERROR, "Could not create memory DC");
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mPS = GpiCreatePS(0, mDC, &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
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NS_ASSERTION(mPS != GPI_ERROR, "Could not create PS on memory DC!");
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// now create a bitmap of the right size
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BITMAPINFOHEADER2 hdr = { 0 };
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hdr.cbFix = sizeof(BITMAPINFOHEADER2);
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hdr.cx = mSize.width;
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hdr.cy = mSize.height;
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hdr.cPlanes = 1;
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// find bit depth
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LONG lBitCount = 0;
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DevQueryCaps(mDC, CAPS_COLOR_BITCOUNT, 1, &lBitCount);
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hdr.cBitCount = (USHORT)lBitCount;
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mBitmap = GpiCreateBitmap(mPS, &hdr, 0, 0, 0);
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NS_ASSERTION(mBitmap != GPI_ERROR, "Could not create bitmap in memory!");
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// set final stats & select bitmap into PS
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GpiSetBitmap(mPS, mBitmap);
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// now we can finally create the cairo surface on the in-memory PS
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cairo_surface_t *surf = cairo_os2_surface_create(mPS, mSize.width, mSize.height);
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#ifdef DEBUG_thebes_2
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printf(" type(%#x)=%d (ID=%#x, h/w=%d/%d)\n", (unsigned int)surf,
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cairo_surface_get_type(surf), (unsigned int)mPS, mSize.width, mSize.height);
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#endif
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// Normally, OS/2 cairo surfaces have to be forced to redraw completely
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// by calling cairo_surface_mark_dirty(surf), but Mozilla paints them in
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// full, so that is not necessary here.
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// manual refresh is done from nsWindow::OnPaint
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cairo_os2_surface_set_manual_window_refresh(surf, 1);
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Init(surf);
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}
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gfxOS2Surface::gfxOS2Surface(HWND aWnd)
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: mHasWnd(PR_TRUE), mDC(nsnull), mBitmap(nsnull)
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::gfxOS2Surface(HWND=%#x)\n", (unsigned int)this,
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(unsigned int)aWnd);
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#endif
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mPS = WinGetPS(aWnd);
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RECTL rectl;
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WinQueryWindowRect(aWnd, &rectl);
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mSize.width = rectl.xRight - rectl.xLeft;
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mSize.height = rectl.yTop - rectl.yBottom;
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if (mSize.width == 0) mSize.width = 1; // fake a minimal surface area to let
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if (mSize.height == 0) mSize.height = 1; // cairo_os2_surface_create() return something
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cairo_surface_t *surf = cairo_os2_surface_create(mPS, mSize.width, mSize.height);
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#ifdef DEBUG_thebes_2
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printf(" type(%#x)=%d (ID=%#x, h/w=%d/%d)\n", (unsigned int)surf,
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cairo_surface_get_type(surf), (unsigned int)mPS, mSize.width, mSize.height);
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#endif
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// Normally, OS/2 cairo surfaces have to be forced to redraw completely
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// by calling cairo_surface_mark_dirty(surf), but Mozilla paints them in
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// full, so that is not necessary here.
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// record the window handle in the cairo surface, so that refresh works
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cairo_os2_surface_set_hwnd(surf, aWnd);
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// manual refresh is done from nsWindow::OnPaint
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cairo_os2_surface_set_manual_window_refresh(surf, 1);
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Init(surf);
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}
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gfxOS2Surface::gfxOS2Surface(HDC aDC, const gfxIntSize& aSize)
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: mHasWnd(PR_FALSE), mDC(aDC), mBitmap(nsnull), mSize(aSize)
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::gfxOS2Surface(HDC=%#x, Size=%dx%d)\n", (unsigned int)this,
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(unsigned int)aDC, aSize.width, aSize.height);
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#endif
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SIZEL sizel = { 0, 0 }; // use same page size as device
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mPS = GpiCreatePS(0, mDC, &sizel, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
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NS_ASSERTION(mPS != GPI_ERROR, "Could not create PS on print DC!");
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// now create a bitmap of the right size
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BITMAPINFOHEADER2 hdr = { 0 };
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hdr.cbFix = sizeof(BITMAPINFOHEADER2);
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hdr.cx = mSize.width;
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hdr.cy = mSize.height;
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hdr.cPlanes = 1;
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// find bit depth
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LONG lBitCount = 0;
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DevQueryCaps(mDC, CAPS_COLOR_BITCOUNT, 1, &lBitCount);
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hdr.cBitCount = (USHORT)lBitCount;
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mBitmap = GpiCreateBitmap(mPS, &hdr, 0, 0, 0);
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NS_ASSERTION(mBitmap != GPI_ERROR, "Could not create bitmap for printer!");
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// set final stats & select bitmap into PS
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GpiSetBitmap(mPS, mBitmap);
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// now we can finally create the cairo surface on the in-memory PS
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cairo_surface_t *surf = cairo_os2_surface_create(mPS, mSize.width, mSize.height);
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#ifdef DEBUG_thebes_2
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printf(" type(%#x)=%d (ID=%#x, h/w=%d/%d)\n", (unsigned int)surf,
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cairo_surface_get_type(surf), (unsigned int)mPS, mSize.width, mSize.height);
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#endif
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// Normally, OS/2 cairo surfaces have to be forced to redraw completely
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// by calling cairo_surface_mark_dirty(surf), but Mozilla paints them in
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// full, so that is not necessary here.
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Init(surf);
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}
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gfxOS2Surface::~gfxOS2Surface()
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::~gfxOS2Surface()\n", (unsigned int)this);
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#endif
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// Surfaces connected to a window were created using WinGetPS so we should
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// release it again with WinReleasePS. Memory or printer surfaces on the
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// other hand were created on device contexts with the GPI functions, so
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// use those to clean up stuff.
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if (mHasWnd) {
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if (mPS) {
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WinReleasePS(mPS);
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}
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} else {
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if (mBitmap) {
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GpiSetBitmap(mPS, NULL);
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GpiDeleteBitmap(mBitmap);
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}
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if (mPS) {
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GpiDestroyPS(mPS);
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}
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if (mDC) {
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DevCloseDC(mDC);
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}
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}
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}
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void gfxOS2Surface::Refresh(RECTL *aRect, HPS aPS)
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::Refresh(x=%ld,%ld/y=%ld,%ld, HPS=%#x), mPS=%#x\n",
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(unsigned int)this,
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aRect->xLeft, aRect->xRight, aRect->yBottom, aRect->yTop,
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(unsigned int)aPS, (unsigned int)mPS);
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#endif
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cairo_os2_surface_refresh_window(CairoSurface(), aPS, aRect);
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}
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int gfxOS2Surface::Resize(const gfxIntSize& aSize)
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{
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#ifdef DEBUG_thebes_2
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printf("gfxOS2Surface[%#x]::Resize(%dx%d)\n", (unsigned int)this,
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aSize.width, aSize.height);
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#endif
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mSize = aSize; // record the new size
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// hardcode mutex timeout to 50ms for now
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return cairo_os2_surface_set_size(CairoSurface(), mSize.width, mSize.height, 50);
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}
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