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Unified Diff: ppapi/c/ppb_view.h

Issue 12989006: Move HiDPI-related Pepper interfaces to stable (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase after spelling-correction CL Created 7 years, 9 months ago
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Index: ppapi/c/ppb_view.h
diff --git a/ppapi/c/ppb_view.h b/ppapi/c/ppb_view.h
index a2a92acd4386033d1e5848d0bd37fd7d9a1c5d07..8b82c78a3b8d3776fa07071a61908a20188d03ce 100644
--- a/ppapi/c/ppb_view.h
+++ b/ppapi/c/ppb_view.h
@@ -3,7 +3,7 @@
* found in the LICENSE file.
*/
-/* From ppb_view.idl modified Fri Feb 17 09:09:15 2012. */
+/* From ppb_view.idl modified Fri Mar 29 11:55:32 2013. */
#ifndef PPAPI_C_PPB_VIEW_H_
#define PPAPI_C_PPB_VIEW_H_
@@ -17,7 +17,8 @@
#include "ppapi/c/pp_stdint.h"
#define PPB_VIEW_INTERFACE_1_0 "PPB_View;1.0"
-#define PPB_VIEW_INTERFACE PPB_VIEW_INTERFACE_1_0
+#define PPB_VIEW_INTERFACE_1_1 "PPB_View;1.1"
+#define PPB_VIEW_INTERFACE PPB_VIEW_INTERFACE_1_1
/**
* @file
@@ -35,7 +36,7 @@
* You will receive new view information using
* <code>PPP_Instance.DidChangeView</code>.
*/
-struct PPB_View_1_0 {
+struct PPB_View_1_1 {
/**
* IsView() determines if the given resource is a valid
* <code>PPB_View</code> resource. Note that <code>PPB_ViewChanged</code>
@@ -167,9 +168,47 @@ struct PPB_View_1_0 {
* clip rect was filled in, <code>PP_FALSE</code> if not.
*/
PP_Bool (*GetClipRect)(PP_Resource resource, struct PP_Rect* clip);
+ /**
+ * GetDeviceScale returns the scale factor between device pixels and Density
+ * Independent Pixels (DIPs, also known as logical pixels or UI pixels on
+ * some platforms). This allows the developer to render their contents at
+ * device resolution, even as coordinates / sizes are given in DIPs through
+ * the API.
+ *
+ * Note that the coordinate system for Pepper APIs is DIPs. Also note that
+ * one DIP might not equal one CSS pixel - when page scale/zoom is in effect.
+ *
+ * @param[in] resource A <code>PP_Resource</code> corresponding to a
+ * <code>PPB_View</code> resource.
+ *
+ * @return A <code>float</code> value representing the number of device pixels
+ * per DIP. If the resource is invalid, the value will be 0.0.
+ */
+ float (*GetDeviceScale)(PP_Resource resource);
+ /**
+ * GetCSSScale returns the scale factor between DIPs and CSS pixels. This
+ * allows proper scaling between DIPs - as sent via the Pepper API - and CSS
+ * pixel coordinates used for Web content.
+ *
+ * @param[in] resource A <code>PP_Resource</code> corresponding to a
+ * <code>PPB_View</code> resource.
+ *
+ * @return css_scale A <code>float</code> value representing the number of
+ * DIPs per CSS pixel. If the resource is invalid, the value will be 0.0.
+ */
+ float (*GetCSSScale)(PP_Resource resource);
};
-typedef struct PPB_View_1_0 PPB_View;
+typedef struct PPB_View_1_1 PPB_View;
+
+struct PPB_View_1_0 {
+ PP_Bool (*IsView)(PP_Resource resource);
+ PP_Bool (*GetRect)(PP_Resource resource, struct PP_Rect* rect);
+ PP_Bool (*IsFullscreen)(PP_Resource resource);
+ PP_Bool (*IsVisible)(PP_Resource resource);
+ PP_Bool (*IsPageVisible)(PP_Resource resource);
+ PP_Bool (*GetClipRect)(PP_Resource resource, struct PP_Rect* clip);
+};
/**
* @}
*/
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