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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/thunk/thunk.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_font_api.h"
#include "ppapi/thunk/resource_creation_api.h"
namespace ppapi {
namespace thunk {
namespace {
PP_Resource Create(PP_Instance instance,
const PP_FontDescription_Dev* description) {
EnterFunction<ResourceCreationAPI> enter(instance, true);
if (enter.failed())
return 0;
return enter.functions()->CreateFontObject(instance, description);
}
PP_Bool IsFont(PP_Resource resource) {
EnterResource<PPB_Font_API> enter(resource, false);
return enter.succeeded() ? PP_TRUE : PP_FALSE;
}
PP_Bool Describe(PP_Resource font_id,
PP_FontDescription_Dev* description,
PP_FontMetrics_Dev* metrics) {
EnterResource<PPB_Font_API> enter(font_id, true);
if (enter.failed())
return PP_FALSE;
return enter.object()->Describe(description, metrics);
}
PP_Bool DrawTextAt(PP_Resource font_id,
PP_Resource image_data,
const PP_TextRun_Dev* text,
const PP_Point* position,
uint32_t color,
const PP_Rect* clip,
PP_Bool image_data_is_opaque) {
EnterResource<PPB_Font_API> enter(font_id, true);
if (enter.failed())
return PP_FALSE;
return enter.object()->DrawTextAt(image_data, text, position, color, clip,
image_data_is_opaque);
}
int32_t MeasureText(PP_Resource font_id, const PP_TextRun_Dev* text) {
EnterResource<PPB_Font_API> enter(font_id, true);
if (enter.failed())
return -1;
return enter.object()->MeasureText(text);
}
uint32_t CharacterOffsetForPixel(PP_Resource font_id,
const PP_TextRun_Dev* text,
int32_t pixel_position) {
EnterResource<PPB_Font_API> enter(font_id, true);
if (enter.failed())
return -1;
return enter.object()->CharacterOffsetForPixel(text, pixel_position);
}
int32_t PixelOffsetForCharacter(PP_Resource font_id,
const PP_TextRun_Dev* text,
uint32_t char_offset) {
EnterResource<PPB_Font_API> enter(font_id, true);
if (enter.failed())
return -1;
return enter.object()->PixelOffsetForCharacter(text, char_offset);
}
const PPB_Font_Dev g_ppb_font_thunk = {
&Create,
&IsFont,
&Describe,
&DrawTextAt,
&MeasureText,
&CharacterOffsetForPixel,
&PixelOffsetForCharacter
};
} // namespace
const PPB_Font_Dev* GetPPB_Font_Thunk() {
return &g_ppb_font_thunk;
}
} // namespace thunk
} // namespace ppapi
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