ivi-shell: Add IVI layout APIs

- ivi_layout_surfaceGetWestonSurface
- ivi_layout_surfaceGetSize
These are used by screenshot APIs.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>

2 files changed, 86 insertions, 0 deletions

diff --git a/ivi-shell/ivi-layout-export.h b/ivi-shell/ivi-layout-export.h
index ea1adea2..f0654f1f 100644
--- a/ivi-shell/ivi-layout-export.h
+++ b/ivi-shell/ivi-layout-export.h
@@ -908,6 +908,12 @@ ivi_layout_surfaceSetSourceRectangle(struct ivi_layout_surface *ivisurf,
 struct weston_output *
 ivi_layout_screenGetOutput(struct ivi_layout_screen *);
 
+struct weston_surface *
+ivi_layout_surfaceGetWestonSurface(struct ivi_layout_surface *ivisurf);
+
+int32_t
+ivi_layout_surfaceGetSize(struct ivi_layout_surface *ivisurf, int32_t *width, int32_t *height, int32_t *stride);
+
 int32_t
 ivi_layout_layerSetTransition(struct ivi_layout_layer *ivilayer,
                               enum ivi_layout_transition_type type,
diff --git a/ivi-shell/ivi-layout.c b/ivi-shell/ivi-layout.c
index 5e9c1d72..0244072f 100644
--- a/ivi-shell/ivi-layout.c
+++ b/ivi-shell/ivi-layout.c
@@ -2663,6 +2663,86 @@ ivi_layout_screenGetOutput(struct ivi_layout_screen *iviscrn)
     return iviscrn->output;
 }
 
+WL_EXPORT struct weston_surface *
+ivi_layout_surfaceGetWestonSurface(struct ivi_layout_surface *ivisurf)
+{
+    return ivisurf != NULL ? ivisurf->surface : NULL;
+}
+
+static int32_t
+surfaceGetBitPerPixel(struct ivi_layout_surface *ivisurf)
+{
+    int32_t bpp = 0;
+
+    if (ivisurf == NULL) {
+        return bpp;
+    }
+
+    switch (ivisurf->pixelformat) {
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_R_8:
+        bpp = 8;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGB_888:
+        bpp = 24;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGBA_8888:
+        bpp = 32;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGB_565:
+        bpp = 16;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGBA_5551:
+        bpp = 16;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGBA_6661:
+        bpp = 0;  // 19
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_RGBA_4444:
+        bpp = 16;
+        break;
+
+    case IVI_LAYOUT_SURFACE_PIXELFORMAT_UNKNOWN:
+    default:
+        bpp = 0;
+        break;
+    }
+
+    return bpp;
+}
+
+WL_EXPORT int32_t
+ivi_layout_surfaceGetSize(struct ivi_layout_surface *ivisurf, int32_t *width, int32_t *height, int32_t *stride)
+{
+    if (ivisurf == NULL) {
+        return -1;
+    }
+
+    if (width != NULL) {
+        *width = ivisurf->prop.sourceWidth;
+    }
+
+    if (height != NULL) {
+        *height = ivisurf->prop.sourceHeight;
+    }
+
+    if (stride != NULL) {
+        int32_t bpp = surfaceGetBitPerPixel(ivisurf);
+        if ((bpp == 0) ||(bpp % 8 != 0)) {
+            return -1;
+        }
+
+        *stride = ivisurf->prop.sourceWidth * (bpp / 8);
+    }
+
+    return 0;
+}
+
 WL_EXPORT int32_t
 ivi_layout_SetOptimizationMode(uint32_t id, int32_t mode)
 {