*initHEADmaster

1 files changed, 110 insertions, 0 deletions

diff --git a/source/3rd-party/SDL2/src/video/windows/SDL_windowsshape.c b/source/3rd-party/SDL2/src/video/windows/SDL_windowsshape.c
new file mode 100644
index 0000000..bed4588
--- /dev/null
+++ b/source/3rd-party/SDL2/src/video/windows/SDL_windowsshape.c
@@ -0,0 +1,110 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_WINDOWS
+
+#include "SDL_assert.h"
+#include "SDL_windowsshape.h"
+#include "SDL_windowsvideo.h"
+
+SDL_WindowShaper*
+Win32_CreateShaper(SDL_Window * window) {
+    int resized_properly;
+    SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper));
+    result->window = window;
+    result->mode.mode = ShapeModeDefault;
+    result->mode.parameters.binarizationCutoff = 1;
+    result->userx = result->usery = 0;
+    result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData));
+    ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL;
+    /* Put some driver-data here. */
+    window->shaper = result;
+    resized_properly = Win32_ResizeWindowShape(window);
+    if (resized_properly != 0)
+            return NULL;
+
+    return result;
+}
+
+static void
+CombineRectRegions(SDL_ShapeTree* node,void* closure) {
+    HRGN mask_region = *((HRGN*)closure),temp_region = NULL;
+    if(node->kind == OpaqueShape) {
+        /* Win32 API regions exclude their outline, so we widen the region by one pixel in each direction to include the real outline. */
+        temp_region = CreateRectRgn(node->data.shape.x,node->data.shape.y,node->data.shape.x + node->data.shape.w + 1,node->data.shape.y + node->data.shape.h + 1);
+        if(mask_region != NULL) {
+            CombineRgn(mask_region,mask_region,temp_region,RGN_OR);
+            DeleteObject(temp_region);
+        }
+        else
+            *((HRGN*)closure) = temp_region;
+    }
+}
+
+int
+Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
+    SDL_ShapeData *data;
+    HRGN mask_region = NULL;
+
+    if( (shaper == NULL) ||
+        (shape == NULL) ||
+        ((shape->format->Amask == 0) && (shape_mode->mode != ShapeModeColorKey)) ||
+        (shape->w != shaper->window->w) ||
+        (shape->h != shaper->window->h) ) {
+        return SDL_INVALID_SHAPE_ARGUMENT;
+    }
+
+    data = (SDL_ShapeData*)shaper->driverdata;
+    if(data->mask_tree != NULL)
+        SDL_FreeShapeTree(&data->mask_tree);
+    data->mask_tree = SDL_CalculateShapeTree(*shape_mode,shape);
+
+    SDL_TraverseShapeTree(data->mask_tree,&CombineRectRegions,&mask_region);
+    SDL_assert(mask_region != NULL);
+
+    SetWindowRgn(((SDL_WindowData *)(shaper->window->driverdata))->hwnd, mask_region, TRUE);
+
+    return 0;
+}
+
+int
+Win32_ResizeWindowShape(SDL_Window *window) {
+    SDL_ShapeData* data;
+
+    if (window == NULL)
+        return -1;
+    data = (SDL_ShapeData *)window->shaper->driverdata;
+    if (data == NULL)
+        return -1;
+
+    if(data->mask_tree != NULL)
+        SDL_FreeShapeTree(&data->mask_tree);
+    if(window->shaper->hasshape == SDL_TRUE) {
+        window->shaper->userx = window->x;
+        window->shaper->usery = window->y;
+        SDL_SetWindowPosition(window,-1000,-1000);
+    }
+
+    return 0;
+}
+
+#endif /* SDL_VIDEO_DRIVER_WINDOWS */