bitmap.c

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/*
 * Unit test suite for bitmaps
 *
 * Copyright 2004 Huw Davies
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdarg.h>
#include <assert.h>

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "mmsystem.h"

#include "wine/test.h"

static BOOL is_win9x;

static void test_createdibitmap(void)
{
    HDC hdc, hdcmem;
    BITMAPINFOHEADER bmih;
    BITMAP bm;
    HBITMAP hbm, hbm_colour, hbm_old;
    INT screen_depth;

    hdc = GetDC(0);
    screen_depth = GetDeviceCaps(hdc, BITSPIXEL);
    memset(&bmih, 0, sizeof(bmih));
    bmih.biSize = sizeof(bmih);
    bmih.biWidth = 10;
    bmih.biHeight = 10;
    bmih.biPlanes = 1;
    bmih.biBitCount = 32;
    bmih.biCompression = BI_RGB;
 
    /* First create an un-initialised bitmap.  The depth of the bitmap
       should match that of the hdc and not that supplied in bmih.
    */

    /* First try 32 bits */
    hbm = CreateDIBitmap(hdc, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);
    
    /* Then 16 */
    bmih.biBitCount = 16;
    hbm = CreateDIBitmap(hdc, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);

    /* Then 1 */
    bmih.biBitCount = 1;
    hbm = CreateDIBitmap(hdc, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);

    /* Now with a monochrome dc we expect a monochrome bitmap */
    hdcmem = CreateCompatibleDC(hdc);

    /* First try 32 bits */
    bmih.biBitCount = 32;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == 1, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, 1);
    DeleteObject(hbm);
    
    /* Then 16 */
    bmih.biBitCount = 16;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == 1, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, 1);
    DeleteObject(hbm);
    
    /* Then 1 */
    bmih.biBitCount = 1;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == 1, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, 1);
    DeleteObject(hbm);

    /* Now select a polychrome bitmap into the dc and we expect
       screen_depth bitmaps again */
    hbm_colour = CreateCompatibleBitmap(hdc, 1, 1);
    hbm_old = SelectObject(hdcmem, hbm_colour);

    /* First try 32 bits */
    bmih.biBitCount = 32;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);
    
    /* Then 16 */
    bmih.biBitCount = 16;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);
    
    /* Then 1 */
    bmih.biBitCount = 1;
    hbm = CreateDIBitmap(hdcmem, &bmih, 0, NULL, NULL, 0);
    ok(hbm != NULL, "CreateDIBitmap failed\n");
    ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

    ok(bm.bmBitsPixel == screen_depth, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, screen_depth);
    DeleteObject(hbm);

    SelectObject(hdcmem, hbm_old);
    DeleteObject(hbm_colour);
    DeleteDC(hdcmem);

    /* If hdc == 0 then we get a 1 bpp bitmap */
    if (!is_win9x) {
        bmih.biBitCount = 32;
        hbm = CreateDIBitmap(0, &bmih, 0, NULL, NULL, 0);
        ok(hbm != NULL, "CreateDIBitmap failed\n");
        ok(GetObject(hbm, sizeof(bm), &bm), "GetObject failed\n");

        ok(bm.bmBitsPixel == 1, "CreateDIBitmap created bitmap of incorrect depth %d != %d\n", bm.bmBitsPixel, 1);
        DeleteObject(hbm);
    }
    
    ReleaseDC(0, hdc);
}

#define test_color_todo(got, exp, txt, todo) \
    if (!todo && got != exp && screen_depth < 24) { \
      todo_wine ok(0, #txt " failed at %d-bit screen depth: got 0x%06x expected 0x%06x - skipping DIB tests\n", \
                   screen_depth, (UINT)got, (UINT)exp); \
      return; \
    } else if (todo) todo_wine { ok(got == exp, #txt " failed: got 0x%06x expected 0x%06x\n", (UINT)got, (UINT)exp); } \
    else ok(got == exp, #txt " failed: got 0x%06x expected 0x%06x\n", (UINT)got, (UINT)exp) \

#define test_color(hdc, color, exp, todo_setp, todo_getp) \
{ \
    COLORREF c; \
    c = SetPixel(hdc, 0, 0, color); \
    if (!is_win9x) { test_color_todo(c, exp, SetPixel, todo_setp); } \
    c = GetPixel(hdc, 0, 0); \
    test_color_todo(c, exp, GetPixel, todo_getp); \
}

static void test_dibsections(void)
{
    HDC hdc, hdcmem, hdcmem2;
    HBITMAP hdib, oldbm, hdib2, oldbm2;
    char bmibuf[sizeof(BITMAPINFO) + 256 * sizeof(RGBQUAD)];
    char bcibuf[sizeof(BITMAPCOREINFO) + 256 * sizeof(RGBTRIPLE)];
    BITMAPINFO *pbmi = (BITMAPINFO *)bmibuf;
    BITMAPCOREINFO *pbci = (BITMAPCOREINFO *)bcibuf;
    HBITMAP hcoredib;
    char coreBits[256];
    BYTE *bits;
    RGBQUAD rgb[256];
    int ret;
    char logpalbuf[sizeof(LOGPALETTE) + 256 * sizeof(PALETTEENTRY)];
    LOGPALETTE *plogpal = (LOGPALETTE*)logpalbuf;
    WORD *index;
    DWORD *bits32;
    HPALETTE hpal, oldpal;
    COLORREF c0, c1;
    int i;
    int screen_depth;

    hdc = GetDC(0);
    screen_depth = GetDeviceCaps(hdc, BITSPIXEL) * GetDeviceCaps(hdc, PLANES);
    memset(pbmi, 0, sizeof(bmibuf));
    pbmi->bmiHeader.biSize = sizeof(pbmi->bmiHeader);
    pbmi->bmiHeader.biHeight = 16;
    pbmi->bmiHeader.biWidth = 16;
    pbmi->bmiHeader.biBitCount = 1;
    pbmi->bmiHeader.biPlanes = 1;
    pbmi->bmiHeader.biCompression = BI_RGB;
    pbmi->bmiColors[0].rgbRed = 0xff;
    pbmi->bmiColors[0].rgbGreen = 0;
    pbmi->bmiColors[0].rgbBlue = 0;
    pbmi->bmiColors[1].rgbRed = 0;
    pbmi->bmiColors[1].rgbGreen = 0;
    pbmi->bmiColors[1].rgbBlue = 0xff;

    hdib = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
    ok(hdib != NULL, "CreateDIBSection failed\n");

    /* Test if the old BITMAPCOREINFO structure is supported */    
        
    pbci->bmciHeader.bcSize = sizeof(BITMAPCOREHEADER);
    pbci->bmciHeader.bcBitCount = 0;

    if (!is_win9x) {
        ret = GetDIBits(hdc, hdib, 0, 16, NULL, (BITMAPINFO*) pbci, DIB_RGB_COLORS);
        ok(ret, "GetDIBits doesn't work with a BITMAPCOREHEADER\n");
        ok((pbci->bmciHeader.bcWidth == 16) && (pbci->bmciHeader.bcHeight == 16)
            && (pbci->bmciHeader.bcBitCount == 1) && (pbci->bmciHeader.bcPlanes == 1),
        "GetDIBits did't fill in the BITMAPCOREHEADER structure properly\n");