C++ (Cpp) SkClipRectCommand::op Examples

Example #1

File: filtermain.cpp Project: CriGio/platform_external_skia

// Check for:
//    SAVE
//        CLIP_RECT
//        DRAW_RECT
//    RESTORE
// where the rect is entirely within the clip and the clip is an intersect
static bool check_2(SkDebugCanvas* canvas, int curCommand) {
    if (SAVE != canvas->getDrawCommandAt(curCommand)->getType() ||
        canvas->getSize() <= curCommand+4 ||
        CLIP_RECT != canvas->getDrawCommandAt(curCommand+1)->getType() ||
        DRAW_RECT != canvas->getDrawCommandAt(curCommand+2)->getType() ||
        RESTORE != canvas->getDrawCommandAt(curCommand+3)->getType()) {
        return false;
    }

    SkClipRectCommand* cr =
        (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
    SkDrawRectCommand* dr =
        (SkDrawRectCommand*) canvas->getDrawCommandAt(curCommand+2);

    if (SkRegion::kIntersect_Op != cr->op()) {
        return false;
    }

    return cr->rect().contains(dr->rect());
}

Example #2

File: filtermain.cpp Project: CriGio/platform_external_skia

// Check for:
//    SAVE
//        CLIP_RECT
//        DRAW_BITMAP_RECT_TO_RECT
//    RESTORE
// where the rect and drawBitmapRect dst exactly match
static bool check_4(SkDebugCanvas* canvas, int curCommand) {
    if (SAVE != canvas->getDrawCommandAt(curCommand)->getType() ||
        canvas->getSize() <= curCommand+4 ||
        CLIP_RECT != canvas->getDrawCommandAt(curCommand+1)->getType() ||
        DRAW_BITMAP_RECT_TO_RECT != canvas->getDrawCommandAt(curCommand+2)->getType() ||
        RESTORE != canvas->getDrawCommandAt(curCommand+3)->getType()) {
        return false;
    }

    SkClipRectCommand* cr =
        (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
    SkDrawBitmapRectCommand* dbmr  =
        (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);

    if (SkRegion::kIntersect_Op != cr->op()) {
        return false;
    }

    return dbmr->dstRect() == cr->rect();
}

Example #3

File: filtermain.cpp Project: tiftof/skia

// Check for:
//    SAVE
//        CLIP_RECT
//        DRAW_BITMAP_RECT_TO_RECT
//    RESTORE
// where the rect and drawBitmapRect dst exactly match
static bool check_4(SkDebugCanvas* canvas, int curCommand) {
    if (SkDrawCommand::kSave_OpType != canvas->getDrawCommandAt(curCommand)->getType() ||
        canvas->getSize() <= curCommand+4 ||
        SkDrawCommand::kClipRect_OpType != canvas->getDrawCommandAt(curCommand+1)->getType() ||
        SkDrawCommand::kDrawBitmapRect_OpType != canvas->getDrawCommandAt(curCommand+2)->getType() ||
        SkDrawCommand::kRestore_OpType != canvas->getDrawCommandAt(curCommand+3)->getType()) {
        return false;
    }

    SkClipRectCommand* cr =
        (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
    SkDrawBitmapRectCommand* dbmr  =
        (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);

    if (SkRegion::kIntersect_Op != cr->op()) {
        return false;
    }

    return dbmr->dstRect() == cr->rect();
}

Example #4

File: filtermain.cpp Project: CriGio/platform_external_skia

// Check for:
//    SAVE
//       CLIP_RECT
//       DRAWBITMAPRECTTORECT
//    RESTORE
// where:
//      the drawBitmapRectToRect is a 1-1 copy from src to dest
//      the clip rect is BW and a subset of the drawBitmapRectToRect's dest rect
static bool check_8(SkDebugCanvas* canvas, int curCommand) {
    if (SAVE != canvas->getDrawCommandAt(curCommand)->getType() ||
        canvas->getSize() <= curCommand+4 ||
        CLIP_RECT != canvas->getDrawCommandAt(curCommand+1)->getType() ||
        DRAW_BITMAP_RECT_TO_RECT != canvas->getDrawCommandAt(curCommand+2)->getType() ||
        RESTORE != canvas->getDrawCommandAt(curCommand+3)->getType()) {
        return false;
    }

    SkClipRectCommand* clip =
        (SkClipRectCommand*) canvas->getDrawCommandAt(curCommand+1);
    SkDrawBitmapRectCommand* dbmr =
        (SkDrawBitmapRectCommand*) canvas->getDrawCommandAt(curCommand+2);

    if (clip->doAA() || SkRegion::kIntersect_Op != clip->op()) {
        return false;
    }

    // The src->dest mapping needs to be 1-to-1
    if (NULL == dbmr->srcRect()) {
        if (dbmr->bitmap().width() != dbmr->dstRect().width() ||
            dbmr->bitmap().height() != dbmr->dstRect().height()) {
            return false;
        }
    } else {
        if (dbmr->srcRect()->width() != dbmr->dstRect().width() ||
            dbmr->srcRect()->height() != dbmr->dstRect().height()) {
            return false;
        }
    }

    if (!dbmr->dstRect().contains(clip->rect())) {
        return false;
    }

    return true;
}