void gdi_free(freerdp* instance)
{
rdpGdi* gdi = instance->context->gdi;
if (gdi)
{
gdi_bitmap_free_ex(gdi->primary);
gdi_bitmap_free_ex(gdi->tile);
gdi_bitmap_free_ex(gdi->image);
gdi_DeleteDC(gdi->hdc);
_aligned_free(gdi->bitmap_buffer);
free(gdi);
}
instance->context->gdi = (rdpGdi*) NULL;
}
void gdi_resize(rdpGdi* gdi, int width, int height)
{
if (gdi && gdi->primary)
{
if (gdi->width != width || gdi->height != height)
{
if (gdi->drawing == gdi->primary)
gdi->drawing = NULL;
gdi->width = width;
gdi->height = height;
gdi_bitmap_free_ex(gdi->primary);
gdi->primary_buffer = NULL;
gdi_init_primary(gdi);
}
}
}
BOOL gdi_resize(rdpGdi* gdi, int width, int height)
{
if (!gdi || !gdi->primary)
return FALSE;
if (gdi->width == width && gdi->height == height)
return TRUE;
if (gdi->drawing == gdi->primary)
gdi->drawing = NULL;
gdi->width = width;
gdi->height = height;
gdi_bitmap_free_ex(gdi->primary);
gdi->primary = NULL;
gdi->primary_buffer = NULL;
return gdi_init_primary(gdi);
}
BOOL gdi_resize_ex(rdpGdi* gdi, UINT32 width, UINT32 height,
UINT32 stride, UINT32 format, BYTE* buffer,
void (*pfree)(void*))
{
if (!gdi || !gdi->primary)
return FALSE;
if (gdi->width == width && gdi->height == height &&
(!buffer || gdi->primary_buffer == buffer))
return TRUE;
if (gdi->drawing == gdi->primary)
gdi->drawing = NULL;
gdi->width = width;
gdi->height = height;
gdi_bitmap_free_ex(gdi->primary);
gdi->primary = NULL;
gdi->primary_buffer = NULL;
return gdi_init_primary(gdi, stride, format, buffer, pfree);
}
void gdi_free(freerdp* instance)
{
rdpGdi* gdi;
rdpContext* context;
if (!instance || !instance->context)
return;
gdi = instance->context->gdi;
if (gdi)
{
gdi_bitmap_free_ex(gdi->primary);
gdi_DeleteDC(gdi->hdc);
free(gdi);
}
context = instance->context;
cache_free(context->cache);
context->cache = NULL;
instance->context->gdi = (rdpGdi*) NULL;
}
BOOL gdi_init(freerdp* instance, UINT32 flags, BYTE* buffer)
{
BOOL rgb555;
rdpGdi* gdi;
rdpCache* cache = NULL;
gdi = (rdpGdi*) calloc(1, sizeof(rdpGdi));
if (!gdi)
goto fail_gdi;
instance->context->gdi = gdi;
gdi->context = instance->context;
gdi->codecs = instance->context->codecs;
gdi->width = instance->settings->DesktopWidth;
gdi->height = instance->settings->DesktopHeight;
gdi->srcBpp = instance->settings->ColorDepth;
gdi->primary_buffer = buffer;
/* default internal buffer format */
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
gdi->format = PIXEL_FORMAT_XRGB32;
if (flags & CLRCONV_INVERT)
gdi->invert = TRUE;
rgb555 = (flags & CLRCONV_RGB555) ? TRUE : FALSE;
if (gdi->srcBpp > 16)
{
if (flags & CLRBUF_32BPP)
{
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
}
else if (flags & CLRBUF_16BPP)
{
gdi->dstBpp = rgb555 ? 15 : 16;
gdi->bytesPerPixel = 2;
}
}
else
{
if (flags & CLRBUF_16BPP)
{
gdi->dstBpp = rgb555 ? 15 : 16;
gdi->bytesPerPixel = 2;
}
else if (flags & CLRBUF_32BPP)
{
gdi->dstBpp = 32;
gdi->bytesPerPixel = 4;
}
}
if (!gdi->invert)
{
if (gdi->bytesPerPixel == 4)
gdi->format = PIXEL_FORMAT_XRGB32;
else if ((gdi->bytesPerPixel == 2) && (gdi->dstBpp == 16))
gdi->format = PIXEL_FORMAT_RGB565;
else if ((gdi->bytesPerPixel == 2) && (gdi->dstBpp == 15))
gdi->format = PIXEL_FORMAT_RGB555;
}
else
{
if (gdi->bytesPerPixel == 4)
gdi->format = PIXEL_FORMAT_XBGR32;
else if ((gdi->bytesPerPixel == 2) && (gdi->dstBpp == 16))
gdi->format = PIXEL_FORMAT_BGR565;
else if ((gdi->bytesPerPixel == 2) && (gdi->dstBpp == 15))
gdi->format = PIXEL_FORMAT_BGR555;
}
if (!(gdi->hdc = gdi_GetDC()))
goto fail_get_hdc;
gdi->hdc->bitsPerPixel = gdi->dstBpp;
gdi->hdc->bytesPerPixel = gdi->bytesPerPixel;
gdi->hdc->alpha = (flags & CLRCONV_ALPHA) ? TRUE : FALSE;
gdi->hdc->invert = (flags & CLRCONV_INVERT) ? TRUE : FALSE;
gdi->hdc->rgb555 = (flags & CLRCONV_RGB555) ? TRUE : FALSE;
if (!gdi_init_primary(gdi))
goto fail_init_primary;
if (!(gdi->tile = gdi_bitmap_new_ex(gdi, 64, 64, 32, NULL)))
goto fail_tile_bitmap;
if (!(gdi->image = gdi_bitmap_new_ex(gdi, 64, 64, 32, NULL)))
goto fail_image_bitmap;
if (!instance->context->cache) {
if (!(cache = cache_new(instance->settings)))
goto fail_cache;
instance->context->cache = cache;
}
gdi_register_update_callbacks(instance->update);
brush_cache_register_callbacks(instance->update);
glyph_cache_register_callbacks(instance->update);
bitmap_cache_register_callbacks(instance->update);
offscreen_cache_register_callbacks(instance->update);
palette_cache_register_callbacks(instance->update);
if (!gdi_register_graphics(instance->context->graphics))
goto fail_register_graphics;
instance->update->BitmapUpdate = gdi_bitmap_update;
return TRUE;
fail_register_graphics:
free(cache);
fail_cache:
gdi_bitmap_free_ex(gdi->image);
fail_image_bitmap:
gdi_bitmap_free_ex(gdi->tile);
fail_tile_bitmap:
gdi_bitmap_free_ex(gdi->primary);
fail_init_primary:
gdi_DeleteDC(gdi->hdc);
fail_get_hdc:
free(gdi);
fail_gdi:
WLog_ERR(TAG, "failed to initialize gdi");
return FALSE;
}