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Extend the 9-grid functions to handle a non-uniform grid layout (thanks @zaun!) 

Fixes https://github.com/libsdl-org/SDL/issues/10389
This commit is contained in:
Sam Lantinga 2024-07-31 22:09:42 -07:00
parent a1c6f99877
commit a5f18048b2
7 changed files with 358 additions and 151 deletions
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17
include/SDL3/SDL_render.h
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@ -1919,17 +1919,20 @@ extern SDL_DECLSPEC int SDLCALL SDL_RenderTextureTiled(SDL_Renderer *renderer, S
* Perform a scaled copy using the 9-grid algorithm to the current rendering
* target at subpixel precision.
*
* The pixels in the texture are split into a 3x3 grid, using the corner size
* for each corner, and the sides and center making up the remaining pixels.
* The corners are then scaled using `scale` and fit into the corners of the
* destination rectangle. The sides and center are then stretched into place
* to cover the remaining destination rectangle.
* The pixels in the texture are split into a 3x3 grid, using the different
* corner sizes for each corner, and the sides and center making up the
* remaining pixels. The corners are then scaled using `scale` and fit into
* the corners of the destination rectangle. The sides and center are then
* stretched into place to cover the remaining destination rectangle.
*
* \param renderer the renderer which should copy parts of a texture.
* \param texture the source texture.
* \param srcrect the SDL_Rect structure representing the rectangle to be used
* for the 9-grid, or NULL to use the entire texture.
* \param corner_size the size, in pixels, of the corner in `srcrect`.
* \param left_width the width, in pixels, of the left corners in `srcrect`.
* \param right_width the width, in pixels, of the right corners in `srcrect`.
* \param top_height the height, in pixels, of the top corners in `srcrect`.
* \param bottom_height the height, in pixels, of the bottom corners in `srcrect`.
* \param scale the scale used to transform the corner of `srcrect` into the
* corner of `dstrect`, or 0.0f for an unscaled copy.
* \param dstrect a pointer to the destination rectangle, or NULL for the
@ -1941,7 +1944,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_RenderTextureTiled(SDL_Renderer *renderer, S
*
* \sa SDL_RenderTexture
*/
extern SDL_DECLSPEC int SDLCALL SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_FRect *srcrect, float corner_size, float scale, const SDL_FRect *dstrect);
extern SDL_DECLSPEC int SDLCALL SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_FRect *srcrect, float left_width, float right_width, float top_height, float bottom_height, float scale, const SDL_FRect *dstrect);
/**
* Render a list of triangles, optionally using a texture and indices into the

11
include/SDL3/SDL_surface.h
View File

@ -1105,8 +1105,8 @@ extern SDL_DECLSPEC int SDLCALL SDL_BlitSurfaceTiledWithScale(SDL_Surface *src,
* Perform a scaled blit using the 9-grid algorithm to a destination surface,
* which may be of a different format.
*
* The pixels in the source surface are split into a 3x3 grid, using the
* corner size for each corner, and the sides and center making up the
* The pixels in the source surface are split into a 3x3 grid, using the different
* corner sizes for each corner, and the sides and center making up the
* remaining pixels. The corners are then scaled using `scale` and fit into
* the corners of the destination rectangle. The sides and center are then
* stretched into place to cover the remaining destination rectangle.
@ -1114,7 +1114,10 @@ extern SDL_DECLSPEC int SDLCALL SDL_BlitSurfaceTiledWithScale(SDL_Surface *src,
* \param src the SDL_Surface structure to be copied from.
* \param srcrect the SDL_Rect structure representing the rectangle to be used
* for the 9-grid, or NULL to use the entire surface.
* \param corner_size the size, in pixels, of the corner in `srcrect`.
* \param left_width the width, in pixels, of the left corners in `srcrect`.
* \param right_width the width, in pixels, of the right corners in `srcrect`.
* \param top_height the height, in pixels, of the top corners in `srcrect`.
* \param bottom_height the height, in pixels, of the bottom corners in `srcrect`.
* \param scale the scale used to transform the corner of `srcrect` into the
* corner of `dstrect`, or 0.0f for an unscaled blit.
* \param scaleMode scale algorithm to be used.
@ -1132,7 +1135,7 @@ extern SDL_DECLSPEC int SDLCALL SDL_BlitSurfaceTiledWithScale(SDL_Surface *src,
*
* \sa SDL_BlitSurface
*/
extern SDL_DECLSPEC int SDLCALL SDL_BlitSurface9Grid(SDL_Surface *src, const SDL_Rect *srcrect, int corner_size, float scale, SDL_ScaleMode scaleMode, SDL_Surface *dst, const SDL_Rect *dstrect);
extern SDL_DECLSPEC int SDLCALL SDL_BlitSurface9Grid(SDL_Surface *src, const SDL_Rect *srcrect, int left_width, int right_width, int top_height, int bottom_height, float scale, SDL_ScaleMode scaleMode, SDL_Surface *dst, const SDL_Rect *dstrect);
/**
* Map an RGB triple to an opaque pixel value for a surface.

4
src/dynapi/SDL_dynapi_procs.h
View File

@ -68,7 +68,7 @@ SDL_DYNAPI_PROC(SDL_bool,SDL_AudioDevicePaused,(SDL_AudioDeviceID a),(a),return)
SDL_DYNAPI_PROC(int,SDL_BindAudioStream,(SDL_AudioDeviceID a, SDL_AudioStream *b),(a,b),return)
SDL_DYNAPI_PROC(int,SDL_BindAudioStreams,(SDL_AudioDeviceID a, SDL_AudioStream **b, int c),(a,b,c),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurface,(SDL_Surface *a, const SDL_Rect *b, SDL_Surface *c, const SDL_Rect *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurface9Grid,(SDL_Surface *a, const SDL_Rect *b, int c, float d, SDL_ScaleMode e, SDL_Surface *f, const SDL_Rect *g),(a,b,c,d,e,f,g),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurface9Grid,(SDL_Surface *a, const SDL_Rect *b, int c, int d, int e, int f, float g, SDL_ScaleMode h, SDL_Surface *i, const SDL_Rect *j),(a,b,c,d,e,f,g,h,i,j),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurfaceScaled,(SDL_Surface *a, const SDL_Rect *b, SDL_Surface *c, const SDL_Rect *d, SDL_ScaleMode e),(a,b,c,d,e),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurfaceTiled,(SDL_Surface *a, const SDL_Rect *b, SDL_Surface *c, const SDL_Rect *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(int,SDL_BlitSurfaceTiledWithScale,(SDL_Surface *a, const SDL_Rect *b, float c, SDL_ScaleMode d, SDL_Surface *e, const SDL_Rect *f),(a,b,c,d,e,f),return)
@ -700,7 +700,7 @@ SDL_DYNAPI_PROC(SDL_Surface*,SDL_RenderReadPixels,(SDL_Renderer *a, const SDL_Re
SDL_DYNAPI_PROC(int,SDL_RenderRect,(SDL_Renderer *a, const SDL_FRect *b),(a,b),return)
SDL_DYNAPI_PROC(int,SDL_RenderRects,(SDL_Renderer *a, const SDL_FRect *b, int c),(a,b,c),return)
SDL_DYNAPI_PROC(int,SDL_RenderTexture,(SDL_Renderer *a, SDL_Texture *b, const SDL_FRect *c, const SDL_FRect *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(int,SDL_RenderTexture9Grid,(SDL_Renderer *a, SDL_Texture *b, const SDL_FRect *c, float d, float e, const SDL_FRect *f),(a,b,c,d,e,f),return)
SDL_DYNAPI_PROC(int,SDL_RenderTexture9Grid,(SDL_Renderer *a, SDL_Texture *b, const SDL_FRect *c, float d, float e, float f, float g, float h, const SDL_FRect *i),(a,b,c,d,e,f,g,h,i),return)
SDL_DYNAPI_PROC(int,SDL_RenderTextureRotated,(SDL_Renderer *a, SDL_Texture *b, const SDL_FRect *c, const SDL_FRect *d, const double e, const SDL_FPoint *f, const SDL_FlipMode g),(a,b,c,d,e,f,g),return)
SDL_DYNAPI_PROC(int,SDL_RenderTextureTiled,(SDL_Renderer *a, SDL_Texture *b, const SDL_FRect *c, float d, const SDL_FRect *e),(a,b,c,d,e),return)
SDL_DYNAPI_PROC(SDL_bool,SDL_RenderViewportSet,(SDL_Renderer *a),(a),return)

86
src/render/SDL_render.c
View File

@ -4213,11 +4213,14 @@ int SDL_RenderTextureTiled(SDL_Renderer *renderer, SDL_Texture *texture, const S
}
}
int SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_FRect *srcrect, float corner_size, float scale, const SDL_FRect *dstrect)
int SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_FRect *srcrect, float left_width, float right_width, float top_height, float bottom_height, float scale, const SDL_FRect *dstrect)
{
SDL_FRect full_src, full_dst;
SDL_FRect curr_src, curr_dst;
float dst_corner_size;
float dst_left_width;
float dst_right_width;
float dst_top_height;
float dst_bottom_height;
CHECK_RENDERER_MAGIC(renderer, -1);
CHECK_TEXTURE_MAGIC(texture, -1);
@ -4240,96 +4243,111 @@ int SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const S
}
if (scale <= 0.0f || scale == 1.0f) {
dst_corner_size = corner_size;
dst_left_width = left_width;
dst_right_width = right_width;
dst_top_height = top_height;
dst_bottom_height = bottom_height;
} else {
dst_corner_size = (corner_size * scale);
dst_left_width = (left_width * scale);
dst_right_width = (right_width * scale);
dst_top_height = (top_height * scale);
dst_bottom_height = (bottom_height * scale);
}
// Upper-left corner
curr_src.x = srcrect->x;
curr_src.y = srcrect->y;
curr_src.w = corner_size;
curr_src.h = corner_size;
curr_src.w = left_width;
curr_src.h = top_height;
curr_dst.x = dstrect->x;
curr_dst.y = dstrect->y;
curr_dst.w = dst_corner_size;
curr_dst.h = dst_corner_size;
curr_dst.w = dst_left_width;
curr_dst.h = dst_top_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Upper-right corner
curr_src.x = srcrect->x + srcrect->w - corner_size;
curr_dst.x = dstrect->x + dstrect->w - dst_corner_size;
curr_src.x = srcrect->x + srcrect->w - right_width;
curr_src.w = right_width;
curr_dst.x = dstrect->x + dstrect->w - dst_right_width;
curr_dst.w = dst_right_width;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Lower-right corner
curr_src.y = srcrect->y + srcrect->h - corner_size;
curr_dst.y = dstrect->y + dstrect->h - dst_corner_size;
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Lower-left corner
curr_src.x = srcrect->x;
curr_src.w = left_width;
curr_dst.x = dstrect->x;
curr_dst.w = dst_left_width;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Left
curr_src.y = srcrect->y + corner_size;
curr_src.h = srcrect->h - 2 * corner_size;
curr_dst.y = dstrect->y + dst_corner_size;
curr_dst.h = dstrect->h - 2 * dst_corner_size;
curr_src.y = srcrect->y + top_height;
curr_src.h = srcrect->h - top_height - bottom_height;
curr_dst.y = dstrect->y + dst_top_height;
curr_dst.h = dstrect->h - dst_top_height - dst_bottom_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Right
curr_src.x = srcrect->x + srcrect->w - corner_size;
curr_dst.x = dstrect->x + dstrect->w - dst_corner_size;
curr_src.x = srcrect->x + srcrect->w - right_width;
curr_src.w = right_width;
curr_dst.x = dstrect->x + dstrect->w - dst_right_width;
curr_dst.w = dst_right_width;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Top
curr_src.x = srcrect->x + corner_size;
curr_src.x = srcrect->x + left_width;
curr_src.y = srcrect->y;
curr_src.w = srcrect->w - 2 * corner_size;
curr_src.h = corner_size;
curr_dst.x = dstrect->x + dst_corner_size;
curr_src.w = srcrect->w - left_width - right_width;
curr_src.h = top_height;
curr_dst.x = dstrect->x + dst_left_width;
curr_dst.y = dstrect->y;
curr_dst.w = dstrect->w - 2 * dst_corner_size;
curr_dst.h = dst_corner_size;
curr_dst.w = dstrect->w - dst_left_width - dst_right_width;
curr_dst.h = dst_top_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Bottom
curr_src.y = srcrect->y + srcrect->h - corner_size;
curr_dst.y = dstrect->y + dstrect->h - dst_corner_size;
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
// Center
curr_src.x = srcrect->x + corner_size;
curr_src.y = srcrect->y + corner_size;
curr_src.w = srcrect->w - 2 * corner_size;
curr_src.h = srcrect->h - 2 * corner_size;
curr_dst.x = dstrect->x + dst_corner_size;
curr_dst.y = dstrect->y + dst_corner_size;
curr_dst.w = dstrect->w - 2 * dst_corner_size;
curr_dst.h = dstrect->h - 2 * dst_corner_size;
curr_src.x = srcrect->x + left_width;
curr_src.y = srcrect->y + top_height;
curr_src.w = srcrect->w - left_width - right_width;
curr_src.h = srcrect->h - top_height - bottom_height;
curr_dst.x = dstrect->x + dst_left_width;
curr_dst.y = dstrect->y + dst_top_height;
curr_dst.w = dstrect->w - dst_left_width - dst_right_width;
curr_dst.h = dstrect->h - dst_top_height - dst_bottom_height;
if (SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst) < 0) {
return -1;
}
return 0;
}
int SDL_RenderGeometry(SDL_Renderer *renderer,
SDL_Texture *texture,
const SDL_Vertex *vertices, int num_vertices,

85
src/video/SDL_surface.c
View File

@ -1422,11 +1422,14 @@ int SDL_BlitSurfaceTiledWithScale(SDL_Surface *src, const SDL_Rect *srcrect, flo
return 0;
}
int SDL_BlitSurface9Grid(SDL_Surface *src, const SDL_Rect *srcrect, int corner_size, float scale, SDL_ScaleMode scaleMode, SDL_Surface *dst, const SDL_Rect *dstrect)
int SDL_BlitSurface9Grid(SDL_Surface *src, const SDL_Rect *srcrect, int left_width, int right_width, int top_height, int bottom_height, float scale, SDL_ScaleMode scaleMode, SDL_Surface *dst, const SDL_Rect *dstrect)
{
SDL_Rect full_src, full_dst;
SDL_Rect curr_src, curr_dst;
int dst_corner_size;
int dst_left_width;
int dst_right_width;
int dst_top_height;
int dst_bottom_height;
/* Make sure the surfaces aren't locked */
if (!SDL_SurfaceValid(src)) {
@ -1452,90 +1455,104 @@ int SDL_BlitSurface9Grid(SDL_Surface *src, const SDL_Rect *srcrect, int corner_s
}
if (scale <= 0.0f || scale == 1.0f) {
dst_corner_size = corner_size;
dst_left_width = left_width;
dst_right_width = right_width;
dst_top_height = top_height;
dst_bottom_height = bottom_height;
} else {
dst_corner_size = (int)SDL_roundf(corner_size * scale);
dst_left_width = (int)SDL_roundf(left_width * scale);
dst_right_width = (int)SDL_roundf(right_width * scale);
dst_top_height = (int)SDL_roundf(top_height * scale);
dst_bottom_height = (int)SDL_roundf(bottom_height * scale);
}
// Upper-left corner
curr_src.x = srcrect->x;
curr_src.y = srcrect->y;
curr_src.w = corner_size;
curr_src.h = corner_size;
curr_src.w = left_width;
curr_src.h = top_height;
curr_dst.x = dstrect->x;
curr_dst.y = dstrect->y;
curr_dst.w = dst_corner_size;
curr_dst.h = dst_corner_size;
curr_dst.w = dst_left_width;
curr_dst.h = dst_top_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Upper-right corner
curr_src.x = srcrect->x + srcrect->w - corner_size;
curr_dst.x = dstrect->x + dstrect->w - dst_corner_size;
curr_src.x = srcrect->x + srcrect->w - right_width;
curr_src.w = right_width;
curr_dst.x = dstrect->x + dstrect->w - dst_right_width;
curr_dst.w = dst_right_width;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Lower-right corner
curr_src.y = srcrect->y + srcrect->h - corner_size;
curr_dst.y = dstrect->y + dstrect->h - dst_corner_size;
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Lower-left corner
curr_src.x = srcrect->x;
curr_src.w = left_width;
curr_dst.x = dstrect->x;
curr_dst.w = dst_left_width;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Left
curr_src.y = srcrect->y + corner_size;
curr_src.h = srcrect->h - 2 * corner_size;
curr_dst.y = dstrect->y + dst_corner_size;
curr_dst.h = dstrect->h - 2 * dst_corner_size;
curr_src.y = srcrect->y + top_height;
curr_src.h = srcrect->h - top_height - bottom_height;
curr_dst.y = dstrect->y + dst_top_height;
curr_dst.h = dstrect->h - dst_top_height - dst_bottom_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Right
curr_src.x = srcrect->x + srcrect->w - corner_size;
curr_dst.x = dstrect->x + dstrect->w - dst_corner_size;
curr_src.x = srcrect->x + srcrect->w - right_width;
curr_src.w = right_width;
curr_dst.x = dstrect->x + dstrect->w - dst_right_width;
curr_dst.w = dst_right_width;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Top
curr_src.x = srcrect->x + corner_size;
curr_src.x = srcrect->x + left_width;
curr_src.y = srcrect->y;
curr_src.w = srcrect->w - 2 * corner_size;
curr_src.h = corner_size;
curr_dst.x = dstrect->x + dst_corner_size;
curr_src.w = srcrect->w - left_width - right_width;
curr_src.h = top_height;
curr_dst.x = dstrect->x + dst_left_width;
curr_dst.y = dstrect->y;
curr_dst.w = dstrect->w - 2 * dst_corner_size;
curr_dst.h = dst_corner_size;
curr_dst.w = dstrect->w - dst_left_width - dst_right_width;
curr_dst.h = dst_top_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Bottom
curr_src.y = srcrect->y + srcrect->h - corner_size;
curr_dst.y = dstrect->y + dstrect->h - dst_corner_size;
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}
// Center
curr_src.x = srcrect->x + corner_size;
curr_src.y = srcrect->y + corner_size;
curr_src.w = srcrect->w - 2 * corner_size;
curr_src.h = srcrect->h - 2 * corner_size;
curr_dst.x = dstrect->x + dst_corner_size;
curr_dst.y = dstrect->y + dst_corner_size;
curr_dst.w = dstrect->w - 2 * dst_corner_size;
curr_dst.h = dstrect->h - 2 * dst_corner_size;
curr_src.x = srcrect->x + left_width;
curr_src.y = srcrect->y + top_height;
curr_src.w = srcrect->w - left_width - right_width;
curr_src.h = srcrect->h - top_height - bottom_height;
curr_dst.x = dstrect->x + dst_left_width;
curr_dst.y = dstrect->y + dst_top_height;
curr_dst.w = dstrect->w - dst_left_width - dst_right_width;
curr_dst.h = dstrect->h - dst_top_height - dst_bottom_height;
if (SDL_BlitSurfaceScaled(src, &curr_src, dst, &curr_dst, scaleMode) < 0) {
return -1;
}

168
test/testautomation_render.c
View File

@ -367,71 +367,71 @@ static int render_testBlitTiled(void *arg)
static const Uint8 COLOR_SEPARATION = 85;
static void Fill9GridReferenceSurface(SDL_Surface *surface, int corner_size)
static void Fill9GridReferenceSurface(SDL_Surface *surface, int left_width, int right_width, int top_height, int bottom_height)
{
SDL_Rect rect;
// Upper left
rect.x = 0;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
rect.w = left_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Top
rect.x = corner_size;
rect.x = left_width;
rect.y = 0;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
rect.w = surface->w - left_width - right_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Upper right
rect.x = surface->w - corner_size;
rect.x = surface->w - right_width;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
rect.w = right_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Left
rect.x = 0;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
rect.y = top_height;
rect.w = left_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Center
rect.x = corner_size;
rect.y = corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = surface->h - 2 * corner_size;
rect.x = left_width;
rect.y = top_height;
rect.w = surface->w - right_width - left_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Right
rect.x = surface->w - corner_size;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
rect.x = surface->w - right_width;
rect.y = top_height;
rect.w = right_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Lower left
rect.x = 0;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
rect.y = surface->h - bottom_height;
rect.w = left_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Bottom
rect.x = corner_size;
rect.y = surface->h - corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
rect.x = left_width;
rect.y = surface->h - bottom_height;
rect.w = surface->w - left_width - right_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Lower right
rect.x = surface->w - corner_size;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
rect.x = surface->w - right_width;
rect.y = surface->h - bottom_height;
rect.w = right_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
}
@ -462,11 +462,12 @@ static int render_testBlit9Grid(void *arg)
/* 9-grid blit - 1.0 scale */
{
SDLTest_Log("9-grid blit - 1.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 1);
Fill9GridReferenceSurface(referenceSurface, 1, 1, 1, 1);
/* Clear surface. */
clearScreen();
@ -476,7 +477,7 @@ static int render_testBlit9Grid(void *arg)
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 1.0f, &rect);
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */
@ -488,11 +489,12 @@ static int render_testBlit9Grid(void *arg)
/* 9-grid blit - 2.0 scale */
{
SDLTest_Log("9-grid blit - 2.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 2);
Fill9GridReferenceSurface(referenceSurface, 2, 2, 2, 2);
/* Clear surface. */
clearScreen();
@ -502,7 +504,103 @@ static int render_testBlit9Grid(void *arg)
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 2.0f, &rect);
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 1.0f, 1.0f, 1.0f, 2.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
/* Make current */
SDL_RenderPresent(renderer);
}
/* Clean up. */
SDL_DestroySurface(source);
SDL_DestroyTexture(texture);
/* Create complex source surface */
source = SDL_CreateSurface(5, 5, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(source != NULL, "Verify source surface is not NULL");
SDL_WriteSurfacePixel(source, 0, 0, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 1, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 2, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 3, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 4, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
texture = SDL_CreateTextureFromSurface(renderer, source);
SDLTest_AssertCheck(texture != NULL, "Verify source texture is not NULL");
ret = SDL_SetTextureScaleMode(texture, SDL_SCALEMODE_NEAREST);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_SetTextureScaleMode, expected: 0, got: %i", ret);
/* complex 9-grid blit - 1.0 scale */
{
SDLTest_Log("complex 9-grid blit - 1.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 1, 2, 1, 2);
/* Clear surface. */
clearScreen();
/* Tiled blit. */
rect.x = 0.0f;
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 2.0f, 1.0f, 2.0f, 1.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */
compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
/* Make current */
SDL_RenderPresent(renderer);
}
/* complex 9-grid blit - 2.0 scale */
{
SDLTest_Log("complex 9-grid blit - 2.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 2, 4, 2, 4);
/* Clear surface. */
clearScreen();
/* Tiled blit. */
rect.x = 0.0f;
rect.y = 0.0f;
rect.w = (float)TESTRENDER_SCREEN_W;
rect.h = (float)TESTRENDER_SCREEN_H;
ret = SDL_RenderTexture9Grid(renderer, texture, NULL, 1.0f, 2.0f, 1.0f, 2.0f, 2.0f, &rect);
SDLTest_AssertCheck(ret == 0, "Validate results from call to SDL_RenderTexture9Grid, expected: 0, got: %i", ret);
/* See if it's the same */

138
test/testautomation_surface.c
View File

@ -417,71 +417,71 @@ static int surface_testBlitTiled(void *arg)
static const Uint8 COLOR_SEPARATION = 85;
static void Fill9GridReferenceSurface(SDL_Surface *surface, int corner_size)
static void Fill9GridReferenceSurface(SDL_Surface *surface, int left_width, int right_width, int top_height, int bottom_height)
{
SDL_Rect rect;
// Upper left
rect.x = 0;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
rect.w = left_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Top
rect.x = corner_size;
rect.x = left_width;
rect.y = 0;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
rect.w = surface->w - left_width - right_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Upper right
rect.x = surface->w - corner_size;
rect.x = surface->w - right_width;
rect.y = 0;
rect.w = corner_size;
rect.h = corner_size;
rect.w = right_width;
rect.h = top_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 1 * COLOR_SEPARATION, 0));
// Left
rect.x = 0;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
rect.y = top_height;
rect.w = left_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Center
rect.x = corner_size;
rect.y = corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = surface->h - 2 * corner_size;
rect.x = left_width;
rect.y = top_height;
rect.w = surface->w - right_width - left_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Right
rect.x = surface->w - corner_size;
rect.y = corner_size;
rect.w = corner_size;
rect.h = surface->h - 2 * corner_size;
rect.x = surface->w - right_width;
rect.y = top_height;
rect.w = right_width;
rect.h = surface->h - top_height - bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 2 * COLOR_SEPARATION, 0));
// Lower left
rect.x = 0;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
rect.y = surface->h - bottom_height;
rect.w = left_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 1 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Bottom
rect.x = corner_size;
rect.y = surface->h - corner_size;
rect.w = surface->w - 2 * corner_size;
rect.h = corner_size;
rect.x = left_width;
rect.y = surface->h - bottom_height;
rect.w = surface->w - left_width - right_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 2 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
// Lower right
rect.x = surface->w - corner_size;
rect.y = surface->h - corner_size;
rect.w = corner_size;
rect.h = corner_size;
rect.x = surface->w - right_width;
rect.y = surface->h - bottom_height;
rect.w = right_width;
rect.h = bottom_height;
SDL_FillSurfaceRect(surface, &rect, SDL_MapSurfaceRGB(surface, 3 * COLOR_SEPARATION, 3 * COLOR_SEPARATION, 0));
}
@ -509,9 +509,9 @@ static int surface_testBlit9Grid(void *arg)
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(testSurface->w, testSurface->h, testSurface->format);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 1);
Fill9GridReferenceSurface(referenceSurface, 1, 1, 1, 1);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 0.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 1, 1, 1, 0.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_BlitSurface9Grid, expected: 0, got: %i", ret);
ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, 0);
@ -524,9 +524,77 @@ static int surface_testBlit9Grid(void *arg)
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(testSurface->w, testSurface->h, testSurface->format);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 2);
Fill9GridReferenceSurface(referenceSurface, 2, 2, 2, 2);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 2.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 1, 1, 1, 2.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_BlitSurface9Grid, expected: 0, got: %i", ret);
ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, 0);
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
}
/* Clean up. */
SDL_DestroySurface(source);
/* Create complex source surface */
source = SDL_CreateSurface(5, 5, SDL_PIXELFORMAT_RGBA32);
SDLTest_AssertCheck(source != NULL, "Verify source surface is not NULL");
SDL_WriteSurfacePixel(source, 0, 0, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 0, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 0, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((1) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 1, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 1, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 1, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 2, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 2, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 2, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((2) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 3, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 3, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 3, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 0, 4, (Uint8)((1) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 1, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 2, 4, (Uint8)((2) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 3, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
SDL_WriteSurfacePixel(source, 4, 4, (Uint8)((3) * COLOR_SEPARATION), (Uint8)((3) * COLOR_SEPARATION), 0, 255);
/* complex 9-grid blit - 1.0 scale */
{
SDLTest_Log("complex 9-grid blit - 1.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(testSurface->w, testSurface->h, testSurface->format);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 1, 2, 1, 2);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 2, 1, 2, 0.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_BlitSurface9Grid, expected: 0, got: %i", ret);
ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, 0);
SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret);
}
/* complex 9-grid blit - 2.0 scale */
{
SDLTest_Log("complex 9-grid blit - 2.0 scale");
/* Create reference surface */
SDL_DestroySurface(referenceSurface);
referenceSurface = SDL_CreateSurface(testSurface->w, testSurface->h, testSurface->format);
SDLTest_AssertCheck(referenceSurface != NULL, "Verify reference surface is not NULL");
Fill9GridReferenceSurface(referenceSurface, 2, 4, 2, 4);
ret = SDL_BlitSurface9Grid(source, NULL, 1, 2, 1, 2, 2.0f, SDL_SCALEMODE_NEAREST, testSurface, NULL);
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_BlitSurface9Grid, expected: 0, got: %i", ret);
ret = SDLTest_CompareSurfaces(testSurface, referenceSurface, 0);