return Ok;
}
+GpStatus convert_pixels(UINT width, UINT height,
+ INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
+ INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette)
+{
+ UINT x, y;
+
+ if (src_format == dst_format ||
+ (dst_format == PixelFormat32bppRGB && PIXELFORMATBPP(src_format) == 32))
+ {
+ UINT widthbytes = PIXELFORMATBPP(src_format) * width / 8;
+ for (y=0; y<height; y++)
+ memcpy(dst_bits+dst_stride*y, src_bits+src_stride*y, widthbytes);
+ return Ok;
+ }
+
+#define convert_indexed_to_rgb(getpixel_function, setpixel_function) do { \
+ for (x=0; x<width; x++) \
+ for (y=0; y<height; y++) { \
+ BYTE index; \
+ BYTE *color; \
+ getpixel_function(&index, src_bits+src_stride*y, x); \
+ color = (BYTE*)(&src_palette[index]); \
+ setpixel_function(color[2], color[1], color[0], color[3], dst_bits+dst_stride*y, x); \
+ } \
+ return Ok; \
+} while (0);
+
+#define convert_rgb_to_rgb(getpixel_function, setpixel_function) do { \
+ for (x=0; x<width; x++) \
+ for (y=0; y<height; y++) { \
+ BYTE r, g, b, a; \
+ getpixel_function(&r, &g, &b, &a, src_bits+src_stride*y, x); \
+ setpixel_function(r, g, b, a, dst_bits+dst_stride*y, x); \
+ } \
+ return Ok; \
+} while (0);
+
+ switch (src_format)
+ {
+ case PixelFormat1bppIndexed:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_indexed_to_rgb(getpixel_1bppIndexed, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat4bppIndexed:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_indexed_to_rgb(getpixel_4bppIndexed, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat8bppIndexed:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_indexed_to_rgb(getpixel_8bppIndexed, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat16bppGrayScale:
+ switch (dst_format)
+ {
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppGrayScale, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat16bppRGB555:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB555, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat16bppRGB565:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppRGB555);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppRGB565, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat16bppARGB1555:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_16bppRGB565);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_16bppARGB1555, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat24bppRGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_16bppARGB1555);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_24bppRGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat32bppRGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_24bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_32bppRGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat32bppARGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_24bppRGB);
+ case PixelFormat32bppPARGB:
+ convert_32bppARGB_to_32bppPARGB(width, height, dst_bits, dst_stride, src_bits, src_stride);
+ return Ok;
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_32bppARGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat32bppPARGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_32bppARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_32bppPARGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat48bppRGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_32bppPARGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_48bppRGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat64bppARGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppARGB, setpixel_48bppRGB);
+ default:
+ break;
+ }
+ break;
+ case PixelFormat64bppPARGB:
+ switch (dst_format)
+ {
+ case PixelFormat16bppGrayScale:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppGrayScale);
+ case PixelFormat16bppRGB555:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB555);
+ case PixelFormat16bppRGB565:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppRGB565);
+ case PixelFormat16bppARGB1555:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_16bppARGB1555);
+ case PixelFormat24bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_24bppRGB);
+ case PixelFormat32bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppRGB);
+ case PixelFormat32bppARGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppARGB);
+ case PixelFormat32bppPARGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_32bppPARGB);
+ case PixelFormat48bppRGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_48bppRGB);
+ case PixelFormat64bppARGB:
+ convert_rgb_to_rgb(getpixel_64bppPARGB, setpixel_64bppARGB);
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+#undef convert_indexed_to_rgb
+#undef convert_rgb_to_rgb
+
+ return NotImplemented;
+}
+
/* This function returns a pointer to an array of pixels that represents the
* bitmap. The *entire* bitmap is locked according to the lock mode specified by
* flags. It is correct behavior that a user who calls this function with write
GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
UINT flags, PixelFormat format, BitmapData* lockeddata)
{
- BOOL bm_is_selected;
INT stride, bitspp = PIXELFORMATBPP(format);
- HDC hdc;
- HBITMAP hbm, old = NULL;
- BITMAPINFO *pbmi;
BYTE *buff = NULL;
UINT abs_height;
GpRect act_rect; /* actual rect to be used */
+ GpStatus stat;
TRACE("%p %p %d 0x%x %p\n", bitmap, rect, flags, format, lockeddata);
}
if(flags & ImageLockModeUserInputBuf)
+ {
+ static int fixme=0;
+ if (!fixme++) FIXME("ImageLockModeUserInputBuf not implemented\n");
return NotImplemented;
+ }
if(bitmap->lockmode)
+ {
+ WARN("bitmap is already locked and cannot be locked again\n");
return WrongState;
+ }
if (bitmap->bits && bitmap->format == format)
{
return Ok;
}
- hbm = bitmap->hbitmap;
- hdc = bitmap->hdc;
- bm_is_selected = (hdc != 0);
-
- pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
- if (!pbmi)
- return OutOfMemory;
- pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- pbmi->bmiHeader.biBitCount = 0;
-
- if(!bm_is_selected){
- hdc = CreateCompatibleDC(0);
- old = SelectObject(hdc, hbm);
+ /* Make sure we can convert to the requested format. */
+ stat = convert_pixels(0, 0, 0, NULL, format, 0, NULL, bitmap->format, NULL);
+ if (stat == NotImplemented)
+ {
+ FIXME("cannot read bitmap from %x to %x\n", bitmap->format, format);
+ return NotImplemented;
}
- /* fill out bmi */
- GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
+ /* If we're opening for writing, make sure we'll be able to write back in
+ * the original format. */
+ if (flags & ImageLockModeWrite)
+ {
+ stat = convert_pixels(0, 0, 0, NULL, bitmap->format, 0, NULL, format, NULL);
+ if (stat == NotImplemented)
+ {
+ FIXME("cannot write bitmap from %x to %x\n", format, bitmap->format);
+ return NotImplemented;
+ }
+ }
- abs_height = abs(pbmi->bmiHeader.biHeight);
- stride = pbmi->bmiHeader.biWidth * bitspp / 8;
+ abs_height = bitmap->height;
+ stride = (bitmap->width * bitspp + 7) / 8;
stride = (stride + 3) & ~3;
buff = GdipAlloc(stride * abs_height);
- pbmi->bmiHeader.biBitCount = bitspp;
-
- if(buff)
- GetDIBits(hdc, hbm, 0, abs_height, buff, pbmi, DIB_RGB_COLORS);
+ if (!buff) return OutOfMemory;
- if(!bm_is_selected){
- SelectObject(hdc, old);
- DeleteDC(hdc);
- }
+ stat = convert_pixels(bitmap->width, bitmap->height,
+ stride, buff, format,
+ bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
- if(!buff){
- GdipFree(pbmi);
- return OutOfMemory;
+ if (stat != Ok)
+ {
+ GdipFree(buff);
+ return stat;
}
lockeddata->Width = act_rect.Width;
lockeddata->Height = act_rect.Height;
lockeddata->PixelFormat = format;
lockeddata->Reserved = flags;
-
- if(pbmi->bmiHeader.biHeight > 0){
- lockeddata->Stride = -stride;
- lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X +
- stride * (abs_height - 1 - act_rect.Y);
- }
- else{
- lockeddata->Stride = stride;
- lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
- }
+ lockeddata->Stride = stride;
+ lockeddata->Scan0 = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
bitmap->lockmode = flags;
bitmap->numlocks++;
-
bitmap->bitmapbits = buff;
- GdipFree(pbmi);
return Ok;
}
GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
BitmapData* lockeddata)
{
- HDC hdc;
- HBITMAP hbm, old = NULL;
- BOOL bm_is_selected;
- BITMAPINFO *pbmi;
+ GpStatus stat;
TRACE("(%p,%p)\n", bitmap, lockeddata);
return Ok;
}
- hbm = bitmap->hbitmap;
- hdc = bitmap->hdc;
- bm_is_selected = (hdc != 0);
+ stat = convert_pixels(bitmap->width, bitmap->height,
+ bitmap->stride, bitmap->bits, bitmap->format,
+ lockeddata->Stride, bitmap->bitmapbits, lockeddata->PixelFormat, NULL);
- pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
- pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- pbmi->bmiHeader.biBitCount = 0;
-
- if(!bm_is_selected){
- hdc = CreateCompatibleDC(0);
- old = SelectObject(hdc, hbm);
- }
-
- GetDIBits(hdc, hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
- pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
- SetDIBits(hdc, hbm, 0, abs(pbmi->bmiHeader.biHeight),
- bitmap->bitmapbits, pbmi, DIB_RGB_COLORS);
-
- if(!bm_is_selected){
- SelectObject(hdc, old);
- DeleteDC(hdc);
+ if (stat != Ok)
+ {
+ ERR("failed to convert pixels; this should never happen\n");
}
- GdipFree(pbmi);
GdipFree(bitmap->bitmapbits);
bitmap->bitmapbits = NULL;
bitmap->lockmode = 0;
bitmap->numlocks = 0;
- return Ok;
+ return stat;
}
GpStatus WINGDIPAPI GdipCloneBitmapArea(REAL x, REAL y, REAL width, REAL height,
http://git.etersoft.ru/projects / wine / eterwine.git / commitdiff